ERH, ENH
Vishay Dale
www.vishay.com
138
Document Number 30200
Revision 18-Oct-00
For technical questions, contact ww2bresistors@vishay.com
Wirewound Resistors, Military/Established Reliability
MIL-PRF-39009 Qualified, Type RER, R Level
FEATURES
• Aluminum heat sink housing
• Molded construction for total environmental protection
• Qualified to MIL-PRF-39009
• Complete welded construction
• Available in non-inductive styles (type ENH) with Aryton-
Perry winding for lowest reactive components
• Mounts on chassis to utilize heat-sink effect
ORDERING INFORMATION
RER50
MILITARY
TYPE
F
TOLERANCE
49R9
RESISTANCE
R
FAILURE
RATE
TECHNICAL SPECIFICATIONS
PARAMETER UNIT ERH, ENH RESISTOR CHARACTERISTICS
Temperature Coefficient ppm/°C±100 for 0.1Ω to 0.99Ω, ± 50 for 1Ω to 19.9Ω, ± 20 for 20Ω and above
Dielectric Withstanding Voltage VAC 1000 for ERH-5 ERH-10 and ERH-25, 2000 for ERH-50
Short Time Overload - 5 x rated power for 5 seconds
Maximum Working Voltage V (P x R)1/2
Insulation Resistance Ω10,000 Megohm minimum dry, 1000 Megohm minimum after moisture test
Terminal Strength lb 5 pull for ERH-5 and ERH-10, 10 pull for ERH-25 and ERH-50
Solderability - Meets requirements of ANSI J-STD-002
Operating Temperature Range °C - 55/+ 250
POWER RATING
P25°C
W
STANDARD ELECTRICAL SPECIFICATIONS
MODEL MIL-PRF-39009 MILITARY WEIGHT
RESISTANCE RANGE (Typical)
TYPE ± 1%
MOUNTED FREE AIR Ωg
ENH-5 RER40 5 3 1 - 1.65k 3.3
ENH-10 RER45 10 6 1 - 2.8k 8.8
ENH-25 RER50 20 8 1 - 6.04k 16.5
ENH-50 RER55 30 10 1 - 4.99k 35
ERH-5 RER60 5 3 0.10 - 3.32k 3
ERH-10 RER65 10 6 0.10 - 5.62k 6
ERH-25 RER70 20 8 0.10 - 12.1k 13
ERH-50 RER75 30 10 0.10 - 39.2k 28
www.vishay.com
139
ERH, ENH
Vishay Dale
Document Number 30200
Revision 18-Oct-00
For technical questions, contact ww2bresistors@vishay.com
MATERIAL SPECIFICATIONS
Element: Copper-nickel alloy or nickel-chrome alloy,
depending on resistance value
Core: Ceramic, steatite or alumina, depending on
physical size
Encapsulant: Silicone molded construction
Housing: Aluminum with hard anodic coating
End Caps: Stainless steel
Standard Terminals: Tinned Copperweld®
Part Marking: Source Code, JAN, Military PIN,
Date/Lot Code
APPLICABLE MIL SPECIFICATION
MIL-PRF-39009: This is the military specification covering
housed chassis mount established reliability power
wirewound resistors. Vishay ERH and ENH resistors are
listed as qualified on the MIL-PRF-39009 QPL.
POWER RATING
Vishay ERH and ENH resistor wattage ratings are based on
mounting to the proper heat sink.
ERH-5 and ERH-10: 4" x 6" x 2" x 0.040" thick aluminum chassis
ERH-25 and ERH-50: 5" x7" x 2" x 0.040" thick aluminum chassis
Wirewound Resistors, Military/Established, Reliability
DIMENSIONS
L
K
P
M
D
C
A
B
N
J
E
F
HG
ABCDEFGHJKLMNP
ERH-5 0.444 0.490 0.600 1.125 0.334 0.646 0.320 0.065 0.133 0.078 0.093 0.078 0.050 0.266
ENH-5 ± 0.005 ± 0.005 ± 0.031 ± 0.062 ± 0.015 ± 0.015 ± 0.015 ± 0.010 ± 0.010 ± 0.010 ± 0.005 ± 0.015 ± 0.005 ± 0.062
[11.280 [12.450 [15.240 [28.580 [8.480 [16.410 [8.130 [1.650 [3.380 [1.980 [2.360 [1.980 [1.270 [6.760
± 0.127] ± 0.127] ± 0.787] ± 1.570] ± 0.381] ± 0.381] ± 0.381] ± 0.254] ± 0.254] ± 0.254] ± 0.127] ± 0.381] ± 0.127] ± 1.570]
ERH-10 0.562 0.625 0.750 1.375 0.420 0.800 0.390 0.075 0.165 0.093 0.094 0.102 0.085 0.312
ENH-10 ± 0.005 ± 0.005 ± 0.031 ± 0.062 ± 0.015 ± 0.015 ± 0.015 ± 0.010 ± 0.010 ± 0.010 ± 0.005 ± 0.015 ± 0.005 ± 0.062
[14.270 [15.880 [19.050 [34.930 [10.670 [20.320 [9.910 [1.900 [4.190 [2.360 [2.390 [2.590 [2.160 [7.920
± 0.127] ± 0.127] ± 0.787] ± 1.570] ± 0.381] ± 0.381] ± 0.381] ± 0.254] ± 0.254] ± 0.254] ± 0.127] ± 0.381] ± 0.127] ± 1.570]
ERH-25 0.719 0.781 1.062 1.938 0.550 1.080 0.546 0.075 0.231 0.172 0.125 0.115 0.085 0.438
ENH-25 ± 0.005 ± 0.005 ± 0.031 ± 0.062 ± 0.015 ± 0.015 ± 0.015 ± 0.010 ± 0.010 ± 0.010 ± 0.005 ± 0.015 ± 0.005 ± 0.062
[18.260 [19.840 [26.970 [49.230 [13.970 [27.430 [13.870 [1.900 [5.870 [4.370 [3.180 [2.920 [2.160 [11.130
± 0.127] ± 0.127] ± 0.787] ± 1.570] ± 0.381] ± 0.381] ± 0.381] ± 0.254] ± 0.254] ± 0.254] ± 0.127] ± 0.381] ± 0.127] ± 1.570]
ERH-50 1.562 0.844 1.968 2.781 0.630 1.140 0.610 0.088 0.260 0.196 0.125 0.107 0.085 0.438
ENH-50 ± 0.005 ± 0.005 ± 0.031 ± 0.062 ± 0.015 ± 0.015 ± 0.015 ± 0.010 ± 0.010 ± 0.010 ± 0.005 ± 0.015 ± 0.005 ± 0.062
[39.670 [21.440 [49.990 [70.640 [16.000 [28.960 [15.490 [2.240 [6.600 [4.980 [3.180 [2.720 [2.160 [11.130
± 0.127] ± 0.127] ± 0.787] ± 1.570] ± 0.381] ± 0.381] ± 0.381] ± 0.254] ± 0.254] ± 0.254] ± 0.127] ± 0.381] ± 0.127] ± 1.570]
MODEL DIMENSIONS in inches [millimeters]
PERFORMANCE
TEST CONDITIONS OF TEST TEST LIMITS
Low Temperature Operation Apply rated power until thermal stability, remove power subject to air ± (0.5% + 0.01Ω) ∆R
temperature of - 55°C for 15 to 30 minutes
Short Time Overload 5 x rated power for 5 seconds ± (0.3% + 0.01Ω) ∆R
Dielectric Withstanding Voltage 1000Vrms (RER 40, 45, 50, 60, 65, 70), 2000Vrms (RER55 and 75), ± (0.2% + 0.01Ω) ∆R
one minute duration
Low Temperature Storage - 55°C for 24 hours ± (0.3% + 0.01Ω) ∆R
High Temperature Exposure 250°C for 2000 hours ± (1.0% + 0.01Ω) ∆R
Moisture Resistance MIL-STD-202 Method 106 ± (0.5% + 0.01Ω) ∆R
Shock, Specified Pulse MIL-STD-202 Method 213, Condition 1 ± (0.2% + 0.01Ω) ∆R
Vibration, High Frequency MIL-STD-202, Method 204, Condition D ± (0.2% + 0.01Ω) ∆R
Load Life 2000 hours at rated power, + 25°C, 1.5 hours “ON”, 0.5 hours “OFF” ± (1.0% + 0.01Ω) ∆R
Extended Life 10,000 hours at rated power, + 25°C, 1.5 hours “ON”, 0.5 hours “OFF” ± (2.0% + 0.01Ω) ∆R
Terminal Strength MIL-STD-202, Method 211, Condition A ± (0.2% + 0.01Ω) ∆R
5 pound (RER40, 45, 60, 65), 10 pound (RER50, 55, 70, 75)
Derating
-55 -50 0 50 150 250
AMBIENT TEMPERATURE IN °C
120
100
80
60
40
20
0
25
www.vishay.com
159
Packaging
Vishay
Document Number 21029
Revision 06-Sep-05
For technical questions, contact ww1resistors@vishay.com
LB
H
MODEL
G 206 225 140 70 100
[8.858] [5.512] [2.756]
G 207 225 140 70 100
[8.858] [5.512] [2.756]
Z 307 225 140 70 200
[8.858] [5.512] [2.756]
KKA 4 262 100 35 200
[10.315] [3.937] [1.378]
KKA 5 260 115 35 200
[10.236] [4.528] [1.378]
KKA 7 235 130 44 200
[9.252] [5.118] [1.732]
DIMENSIONS in millimeters [inches]
LBH
MODEL
235 130 44 100
[9.252] [5.118] [1.732]
KKE 4 181 126 33 200
[7.126] [4.961] [1.299]
235 130 44 200
[9.252] [5.118] [1.732]
KKE 11 238 166 43 200
[9.370] [6.535] [1.693]
KKE 17 255 105 40 100
[10.039] [4.134] [1.575]
235 129 60 200
[9.252] [5.079] [2.362]
DIMENSIONS in millimeters [inches]
LBH
BULK PACK
UNITS
PER
PACK
UNITS
PER
PACK
KKA 9
KKA 11
KKE 7
KKE 9
KKE 7 Si
KKE 9 Si
MODEL TAPE
G 53 324 82 49 500
[12.756] [3.228] [1.929]
G 73 324 101 49 500
[12.756 [3.976] [1.929]
G 88 324 111 75 250
[12.756] [4.37] [2.953]
G 53 324 79 75 1000
[12.756] [3.228] [1.929]
G 73 324 101 64 1000
[12.756] [3.976] [2.520]
G 53 324 82 49 500
[12.756] [3.228] [1.929]
G 83 324 111 75 500
[12.756] [4.37] [2.953]
DIMENSIONS mm
1)
LBH
MODEL TAPE
G 83 324 111 90 500
[12.756] [4.37] [3.543]
G 83 324 111 75 250
[12.756] [4.37] [2.953]
G 83 324 111 75 250
[12.756] [4.37] [2.953]
G 80 324 111 75 500
[12.756] [4.37] [2.953]
DIMENSIONS mm
1)
LBH
AMMOPACK
L
B
H
UNITS
PER
PACK
UNITS
PER
PACK
1) In millimeters [inches]
Z 303
Z 305
Z 306
CW-
2B-
13
G 202
G 204
Z 301
ZDA
0411
Z 302
L
max
see data sheets
Taping corresponds to IEC 60286
TAPE DIMENSIONS in millimeters [inches]
BA KM T
G 53 53 ± 1 10 ± 0.5 Lmax + 1.4 1.2 6 ± 0.5
[2.087 ± 0.039] [0.197 ± 0.020] Lmax + [0.055] [0.047] [0.236 ± 0.020]
G 63 63 ± 1 10 ± 0.5 Lmax + 1.4 1.2 6 ± 0.5
[1.417 ± 0.039] [0.197 ± 0.020] Lmax + [0.055] [0.047] [0.236 ± 0.020]
G 73 73 ± 1 10 ± 0.5 Lmax + 1.4 1.2 6 ± 0.5
[2.874 ± 0.039] [0.197 ± 0.020] Lmax + [0.055] [0.047] [0.236 ± 0.020]
G 80 80 ± 1 10 ± 0.5 Lmax + 1.4 1.2 6 ± 0.5
[3.150 ± 0.039] [0.394 ± 0.020] Lmax + [0.055] [0.047] [0.236 ± 0.020]
G 83 83 ± 1 10 ± 0.5 Lmax + 1.4 1.2 6 ± 0.5
[3.268 ± 0.039] [0.394 ± 0.020] Lmax + [0.055] [0.047] [0.236 ± 0.020]
G 88 88 ± 1 10 ± 0.5 Lmax + 1.4 1.2 6 ± 0.5
[3.465 ± 0.039] [0.394 ± 0.020] Lmax + 0.055] [0.047] [0.236 ± 0.020]
TAPE DIMENSIONS
K
B
TT
Lmax
A
M
Packaging
Vishay
www.vishay.com
160 Document Number 21029
Revision 06-Sep-05
For technical questions, contact ww1resistors@vishay.com
AMMOPACK (CONT’D...)
1) In millimeters [inches]
Ordering term of model ZDA0411 changes to
ZDV 0411 when radial taped.
L
B
H
MODEL
ZDV 324 53 147 2000
0411 [12.756] [2.087] [5.787]
DIMENSIONS mm
1)
LBH
UNITS
PER
PACK
REEL PACK
A
C
B
d
MODEL TAPE REEL DIMENSIONS in millimeters [inches] PACKAGING
dABCUNIT (pcs)
R 53* 20 250 75 87 1000
[0.787] [9.843] [2.953] [3.425]
R 73* 20 250 95 107 1000
[0.787] [9.843] [3.74] [4.213]
G 204 R 88 20 250 105 117 500
[0.787] [9.843] [3.74] [4.213]
Z 301 R 53 20 250 75 87 2000
[0.787] [9.843] [2.953] [3.425]
ZDA 0411 R 73 20 250 95 107 2000
[0.787] [9.843] [3.74] [4.213]
R 53* 20 250 75 87 2000
[0.787] [9.843] [2.953] [3.425]
R 83 20 250 105 117 1000
[0.787] [9.843] [3.74] [4.213]
R 53* 20 250 105 117 1000
[0.787] [9.843] [2.953] [3.425]
R 83 20 250 105 117 1000
[0.787] [9.843] [2.953] [3.425]
Z 305 R 83 20 250 105 117 500
[0.787] [9.843] [2.953] [3.425]
Z 306 R 83 20 250 105 117 500
[0.787] [9.843] [2.953] [3.425]
KKA 4 R 80 26.5 330 95 101 1000
[1.043] [12.992] [3.740] [3.976]
KKA 5 R 80 26.5 330 95 101 1000
[1.043] [12.992] [3.740] [3.976]
R 53 14 280 73 87 1000
[0.551] [11.024] [2.874] [3.425]
14 190 73 81 500
[0.551] [7.480] [2.874] [3.189]
R 63 14 190 85 93 500
[0.551] [7.480] [3.346] [3.661]
R 80 14 280 101 115 1000
[0.551] [11.024] [3.976] [4.528]
14 190 101 108 500
[0.551] [7.480] [3.976] [4.252]
G 202
Z 302
Z 303
CW-2B-13
R 53
R 80
*Dimension A in tape dimensions is 10 ± 0.5mm [0.394 ± 0.020]
www.vishay.com
161
Packaging
Vishay Draloric
Document Number 21029
Revision 06-Sep-05
For technical questions, contact ww1resistors@vishay.com
VISHAY DRALORIC PACKAGING CODE
EXAMPLE:
A2 Ammopack 2000 pcs
P0 Papertape 10,000 pcs
A100
B250
C500
D50
E2500
F25
G40
H60
I
J200
K300
L400
M1250
N20,000
O
P1500
Q
R5000 (R26)
S7500
T30,000
U25,000
V
W
XWithout quantity
Y
Z50,000
11000
22000
33000
44000
55000
6
7
8
9
010,000
AAmmo Pack
RReel
LLoose pack
BEmbossed tape (blister)
PPaper tape
MBulk case (Murata)
X Sample
1st digit
(Package Style)
2nd digit
(Quantity)
NOTE: This packaging code is valid
only for VISHAY DRALORIC
resistors.
Wirewound Leaded Resistor Packaging
Vishay
www.vishay.com
162 Document Number 21029
Revision 06-Sep-05
For technical questions in Europe contact ww1resistors@vishay.com
For technical questions in Americas/Asia contact ww2aresistors@vishay.com
A
BC
D
F
Unit Box
E
Intermediate
Box
Axial units are uniformly packaged 100
per box with 10 units per immediate
container. Standard packaging for
quantities of 300 and fewer.
LACER PACK
CARD PACK
MODEL A B
RS-1/4, RS-1/2, G-1, G-2,
CW-1/2, EGS-1, EGS-2, 215.90 95.25
RS-1A, RS-1B, G-3, [8.500] [3.750]
CW-1, CW-1M, EGS-3,
NS-1A, LVR-1
RS-2B, RS-2M, CW-2B 215.9 101.6
CW-2M, G-5, ESS-2B, [8.500] [4.000]
LVR-3, RS-2, RS-2C,
CW-2C, G-5C
RS-5, RS-7, CW-5, ESS-5, 279.40 127.00
CW-7, G-10, EGS-10, [11.000] [5.000]
LVR-5
RS-10, CW-10, ESS-10, 376.24 153.99
LVR-10 [14.813] [6.063]
Resistor body is
placed in slot, held in
place with tongue
insert. Terminals
protected within
folder. 20 units per
folder.
WIREWOUND LACER PACKAGING Dimensions in mm [inches]
MODEL
ABCDEF
RS-1/8, RS-1/4, RS-1/2, RS-1M, CW-1/2, G-1, G-2, EGW-1, 25.40 25.40 92.10 57.10 95.20 136.50
EGS-2, EGW-2 [1.000] [1.000] [3.625] [2.250] [3.750] [5.375]
RS-1A, RS-1B, CW-1, EGW-3 38.10 38.10 92.10 127.00 98.40 196.80
[1.500] [1.500] [3.625] [5.000] [3.875] [7.750]
RS-2, RS-2A, CW-2, G-5A, ESS-2A 76.20 57.10 104.70 152.40 184.20 304.80
[3.000] [2.250] [4.125] [6.000] [7.250] [12.000]
RS-2B, RS-2M, CW-2B, G-5, ESS-2B, LVR-3 50.80 50.80 98.40 152.40 184.20 304.80
[2.000] [2.000] [3.875] [6.000] [7.250] [12.000]
RS-2C, CW-2C, G-5C 66.80 63.50 101.60 152.40 184.20 304.80
[2.625] [2.500] [4.000] [6.000] [7.250] [12.000]
RS-5, CW-5, G-10, ESS-5, EGW-10, LVR-5 76.20 88.90 107.90 152.40 184.20 304.80
[3.000] [3.500] [4.125] [6.000] [7.250] [12.000]
RS-7, CW-7 98.40 63.50 117.40 190.50 190.50 393.70
[3.875] [2.500] [4.625] [7.500] [7.500] [15.500]
RS-10, CW-10, ESS-10 101.60 101.60 133.30 247.60 304.80 368.30
[4.000] [4.000] [5.250] [9.750] [12.000] [14.500]
WIREWOUND BULK PACKAGING Dimensions in mm [inches]
MODEL QTY./PACK TEAR OFF QTY.
RH-5, NH-5, ERH-5, 40 10
ENH-5
RH-10, NH-10, ERH-10, 40 10
ENH-10
RH-25, NH-25, ERH-25, 20 5
ENH-25
RH-50, NH-50, ERH-50, 20 5
ENH-50
Resistor placed in
slot and held in place
with foldover
protective paper.
Each pack perforated
to tear off into four
smaller sub packs
WIREWOUND CARD PACKAGING
BULK PACK
A
B
www.vishay.com
163
Wirewound Leaded Resistor Packaging
Vishay
Document Number 21029
Revision 06-Sep-05
For technical questions in Europe contact ww1resistors@vishay.com
For technical questions in Americas/Asia contact ww2aresistors@vishay.com
NOTES: 1) Leads will be trimmed to a maximum of 0.063"mm [1.59mm] beyond tape edge.
2) For non standard type and reel requirements, contact our engineering department, see email address at the bottom of this page.
3) CA-1 and CA-2 will be taped at 0.200 pitch, 2.875" mm [73.02mm] tape space without lead trim. CA 4000 and
CA-5000 series will be taped at 0.200 pitch, tape space varies by body length.
0.563 to 0.625
[14.29 to 15.88]
Hole
REEL PACK
Vishay Dale Standard Packaging
Technique
AMMOPACK
Resistors are lead taped, the same as in
Reel Pack (see page), then they are placed
in a continuous “S” pattern (without paper
inner leaf) in an appropriate box.
SKIN PACK
A versatile packaging method. Units are
placed on double-faced corrugated board,
then skin packed to board with polyfilm.
Most resistor types are in multiples of five
with insert strips.
MILITARY AND SPECIAL PACKAGING
Military packaging per MIL-P-116, Method
1A8. Blister pack, foam pack and vial pack
also available for special requirements.
MODEL
MAXIMUM UNITS PER REEL
PITCH TAPE
SMALL LARGE
SPACING
FLANGE “B” FLANGE “A” (Note 1) (Note 2)
7.500 [190.50] 11.094 281.78]
RS-1/4, RS-1/2, G-1, G-2, 2000 5000 5.08 52.37
CW-1/2, EGS-1, EGS-2 [0.200] [2.063]
RS-1A, RS-1B, G-3, CW-1, 1500 4500 5.08 52.37
CW-1M, EGS-3 [0.200] [2.063]
NS-1A, LVR-1 1000 4000 5.08 52.37
[0.200] [2.063]
CA-1, CA-2, (Note 3) 1350 2500 5.08 73.02
[0.200] [2.875]
RS-2B, RS-2M, CW-2B, 400 1200 10.16 63.50
CW-2M, G-5, ESS-2B [0.400] [2.500]
LVR-3 400 1000 10.16 63.50
[0.400] [2.500]
RS-2, RS-2C, CW-2C, 400 1000 10.16 63.50
G-5C [0.400] [2.500]
RS-5, RS-7, CW-5, ESS-5, —700 10.16 73.02
CW-7, G-10, EGS-10 [0.400] [2.875]
LVR-5 —600 10.16 73.02
[0.400] [2.875]
RS-10, CW-10, ESS-10 —600 10.16 85.72
[0.400] [3.375]
WIREWOUND REEL PACKAGING dimensions in mm [inches]
B
A
Note 1
Military Product Identification
Vishay Dale
www.vishay.com
130 Document Number 30243
Revision 28-Mar-02
For technical questions, contact ww2bresistors@vishay.com
MILITARY PART ORDERING EXAMPLES
To help in ordering, the following are examples of military part numbers cross-referenced to Vishay Dale part numbers. For complete
information on military part numbering, consult the specific military specification.
WIREWOUND RESISTORS:
MIL-PRF-26 (Basic [RW]) (Established Reliability alternate MIL-PRF-39007 [RWR])
RW80 U49R9 FG-3 49.9Ω1%
12 3 4 1 3 4
RW67 V101 RS-5-70 100Ω5%
12 3 1 3 4
MIL-PRF-18546 (Basic [RE]) (Established Reliability alternate MIL-PRF-39009 [RER])
RE65 G1001 RH-10 1kΩ1%
12 3 1 3 4
MIL-PRF-39007 (Established Reliability [RWR]) (Basic is MIL-PRF-26 [RW])
RWR74 S10R1 F R ESS-5 10.1Ω1% R
12 345 1 345
MIL-PRF-39009 (Established Reliability [RER]) (Basic is MIL-PRF-18549 [RE])
RER65 F1001 RERH-10 1kΩ1% R
13 24 1 234
MIL-PRF-49465 (Basic [RLV]) (Established Reliability-None)
M49465 06 TR0100 FLVR-3-26 0.01Ω1%
1234 5 1 45
1. Style
2 Characteristic
3. Resistance Value*
4. Tolerance
1. Style
2 Characteristic
3. Resistance Value*
4. Tolerance
1. Style
2. Characteristic
3. Resistance Value*
4. Tolerance
5. Failure Rate Level
1. Style
2. Resistance Value
3. Tolerance
4. Failure Rate Level
1. Style
2. Specification Sheet Number
3. Characteristic
4. Resistance Value*
5. Tolerance
⇒
*See the following page for Military decade resistance table.
⇒
⇒
⇒
⇒
⇒
Vishay Dale Type
Vishay Dale Type
Vishay Dale Type
Vishay Dale Type
Vishay Dale Type
RW Type
RE Type
RWR Type
RER Type
RLV Type
www.vishay.com
131
Military Product Identification
Vishay Dale
Document Number 30243
Revision 28-Mar-02 For technical questions, contact ww2bresistors@vishay.com
STANDARD RESISTANCE VALUES FOR THE 10 TO 100 DECADE
* Listing of resistance values for the B and D tolerance does not guarantee that all of these resistance values are available for
all resistor models.
10.0 10.0
10.1
10.2 10.2
10.4
10.5 10.5
10.6
10.7 10.7
10.9
11.0 11.0
11.1
11.3 11.3
11.4
11.5 11.5
11.7
11.8 11.8
12.0
12.1 12.1
12.3
12.4 12.4
12.6
12.7 12.7
12.9
13.0 13.0
13.2
13.3 13.3
13.5
13.7 13.7
13.8
14.0 14.0
14.2
14.3 14.3
14.5
14.7 14.7
14.9
15.0 15.0
15.2
15.4 15.4
15.6
15.8 15.8
16.0
16.2 16.2
16.4
16.5 16.5
16.7
16.9 16.9
17.2
17.4 17.4
17.6
17.8 17.8
18.0 18.0
18.2 18.2
18.4
18.7 18.7
18.9
19.1 19.1
19.3
19.6 19.6
19.8
20.0 20.0
20.3
20.5 20.5
20.8
21.0 21.0
21.3
21.5 21.5
21.8
22.1 22.1
22.3
22.6 22.6
22.9
23.2 23.2
23.4
23.7 23.7
24.0
24.3 24.3
24.6
24.9 24.9
25.2
25.5 25.5
25.8
26.1 26.1
26.4
26.7 26.7
27.1
27.4 27.4
27.7
28.0 28.0
28.4
28.7 28.7
29.1
29.4 29.4
29.8
30.1 30.1
30.5
30.9 30.9
31.2
31.6 31.6
32.0
32.4 32.4
32.8
33.2 33.2
33.6
34.0 34.0
34.4
34.8 34.8
35.2
35.7 35.7
36.1
36.5 36.5
37.0
37.4 37.4
37.9
38.3 38.3
38.8
39.2 39.2
39.7
40.2 40.2
40.7
41.2 41.2
41.7
42.2 42.2
42.7
43.2 43.2
43.7
44.2 44.2
44.8
45.3 45.3
45.9
46.4 46.4
47.0
47.5 47.5
48.1
48.7 48.7
49.3
49.9 49.9
50.5
51.1 51.1
51.7
52.3 52.3
53.0
53.6 53.6
54.2
54.9 54.9
55.6
56.2 56.2
56.9
57.6 57.6
58.3
59.0 59.0
59.7
60.4 60.4
61.2
61.9 61.9
62.6
63.4 63.4
64.2
64.9 64.9
65.7
66.5 66.5
67.3
68.1 68.1
69.0
69.8 69.8
70.6
71.5 71.5
72.3
73.2 73.2
74.1
75.0 75.0
75.9
76.8 76.8
77.7
78.7 78.7
79.6
80.6 80.6
81.6
82.5 82.5
83.5
84.5 84.5
85.6
86.6 86.6
87.6
88.7 88.7
89.8
90.9 90.9
92.0
93.1 93.1
94.2
95.3 95.3
96.5
97.6 97.6
98.8
* (B) 0.1 (F) 1.0 * (B) 0.1 (F) 1.0 * (B) 0.1 (F) 1.0 * (B) 0.1 (F) 1.0
(D) 0.5 (D) 0.5 (D) 0.5 (D) 0.5
MILITARY WIREWOUND RESISTORS
KEY BENEFITS
• Vishay Military Wirewound Resistors deliver:
– A wide range of power ratings (1 watt to 120 watt)
– A wide resistance range (0.01 to 71.5 K)
– Low/high temperature performance (– 65 ºC to + 350 ºC)
– Tight tolerances (down to ± 0.1 %)
– Low temperature coefficient (down to ± 20 ppm/ºC)
– Excellent overload capability
– Non-inductive, chassis mounted and weldable terminal styles available
For technical questions, contact ww2bresistors.vishay.com
www.vishay.com
S E L E C T O R G U I D E
R E S I S T I V E P R O D U C T S
S E L E C T O R G U I D E
www.vishay.com
One of the World’s Largest
of Discrete Semiconductors and Passive Components
Manufacturers
NOTICE Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc., or anyone
on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a
product description only. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document. Except as provided in Vishay’s terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and
disclaims any express or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right. The products shown
herein are not designed for use in medical, life-saving, or life-sustaining applications. Customers using or selling these products for use in
such applications do so at their own risk and agree to fully indemnify Vishay for any damages resulting from such improper use or sale.
Military Wirewound Resistors
R E S I S T I V E P R O D U C T S
VMN-SG0108-0610
Military
Specification Model Part Number Definition Wattage
Rating Resistance Range Tolerance
Non-Established Reliability Products
MIL-PRF-26 RW70U
RW81U
RW80U
RW79U
RW69V
RW74U
RW67V
RW78U
RW68V
RW80 U 49R9 F
1 2 3 4
RW67 V 101
1 2 3
1. Style
2. Characteristic (derating curve)
U = 250 ºC
V = 350 ºC
3. Resistance value
4. Tolerance
1
1
2
3
3
5
6.5
10
11
0.1 – 2.74 K
0.1 – 1 K
0.1 – 2.74 K
0.1 – 6.49 K
0.1 – 2.0 K
0.1 – 24.3 K
0.1 – 8.2 K
0.1 – 71.5 K
0.1 – 20 K
± 0.5 %, ± 1 %*
± 0.5 %, ± 1 %*
± 0.5 %, ± 1 %*
± 0.5 %, ± 1 %*
± 5 %, ± 10 %
± 0.5 %, ± 1 %*
± 5 %, ± 10 %
± 0.5 %, ± 1 %*
± 5 %, ± 10 %
*± 0.1 % available
on limited range
MIL-PRF-49465 RLV10 (sheet 01)
RLV30 (sheet 06)
RLV31 (sheet 07)
M49465 06 T R0100 F
1 2 3 4 5
1. Style
2. Specification sheet number
3. Characteristic (always T)
4. Resistance value
5. Tolerance
5
3
5
0.01 – 0.5
0.01 – 0.2
0.01 – 0.3
± 1 %
± 1 %, ± 5 %
± 1 %, ± 5 %
MIL-PRF-18546 RE60G
RE60N
RE65G
RE65N
RE70G
RE70N
RE75G
RE75N
RE77G
RE77N
RE80G
RE80N
RE65 G 1001
1 2 3
1. Style
2. Characteristic – winding type
G = Standard
N = Non-inductive
3. Resistance value
Note: tolerance is 1 %
5
5
10
10
20
20
30
30
75
75
120
120
0.1 – 3.32 K
1.0 – 1.65 K
0.1 – 5.62 K
1.0 – 2.8 K
0.1 – 12.1 K
1.0 – 6.04 K
0.1 – 39.2 K
1.0 – 19.6 K
0.05 – 29.4 K
1.0 – 14.7 K
0.10 – 35.7 K
1.0 – 17.4 K
± 1 %
Established Reliability Products
MIL-PRF-39007 RWR81S / RWR81W
RWR81N / RWR81Z
RWR82S / RWR82W
RWR82N / RWR82Z
RWR80S / RWR80W
RWR80N / RWR80Z
RWR71S / RWR71W
RWR71N / RWR71Z
RWR89S / RWR89W
RWR89N / RWR89Z
RWR74S / RWR74W
RWR74N / RWR74Z
RWR84S / RWR84W
RWR84N / RWR84Z
RWR78S / RWR78W
RWR78N / RWR78Z
RWR74 S 10R1 F R
1 2 3 4 5
1. Style
2. Characteristic – winding type and
terminal type
S = Standard wind, solderable
W = Standard wind, weldable
N = Non-inductive wind, solderable
Z = Non-inductive wind, weldable
3. Resistance value
4. Tolerance
5. Failure rate level
1
1
1.5
1.5
2
2
2
2
3
3
5
5
7
7
10
10
0.1 – 1 K
0.1 – 499
0.1 – 1.3 K
0.1 – 649
0.1 – 3.16 K
0.1 – 1.58 K
0.1 – 12.1 K
0.1 – 6.04 K
0.1 – 4.12 K
0.1 – 2.05 K
0.1 – 12.1 K
0.1 – 6.04 K
0.1 – 12.4 K
0.1 – 6.19 K
0.1 – 39.2 K
0.1 – 19.6 K
± 0.5 %, ± 1 %
MIL-PRF-39009 RER40
RER45
RER50
RER55
RER60
RER65
RER70
RER75
RER65 F 1001 R
1 2 3 4
1. Style
2. Tolerance
3. Resistance value
4. Failure rate level
5
10
20
30
5
10
20
30
1.0 – 1.65 K
1.0 – 2.8 K
1.0 – 6.04 K
1.0 – 4.99 K
0.10 – 3.32 K
0.10 – 5.62 K
0.10 – 12.1 K
0.10 – 39.2 K
± 1 %
