1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
84
40 Series
Ohmicone® Silicone-Ceramic Conformal
Axial Terminal Wirewound
1% and 5% Tolerance Standard
Coating Conformal silicone-ceramic.
Core Ceramic.
Terminals Solder-coated copper clad axial. RoHS solder composition is 96% Sn, 3.5% Ag, 0.5% Cu
Derating Linearly from 100% @ +25°C to 0% @ +275°C.
Tolerance ±5% (J type), ±1% (F type) (other tolerances available).
Power rating Based on 25°C free air rating
Overload Under 5 watts: 5 times rated wattage for 5 seconds. 5 watts and over: 10 times rated wattage for 5 seconds.
Temperature coefficient Under 1Ω: ±90 ppm/°C; 1Ω to 9.99Ω: ±50 ppm/°C; 10Ω and over: ±20 ppm/°C
Series Wattage Length Diam. Lead ga.
41 1.0 0.437 / 11.1 0.125 / 3.2 24
42 2.0 0.406 / 10.3 0.219 / 5.6 20
43 3.0 0.593 / 15.1 0.219 / 5.6 20
45 5.0 0.937 / 23.8 0.343 / 8.7 18
47 7.0 1.280 / 32.5 0.343 / 8.7 18
40 10.0 1.900 / 48.3 0.406 / 10.3 18
Series Wattage Ohms Voltage
41 1.0 0.10-6K 150
42 2.0 0.10-8K 100
43 3.0 0.10-20K 200
45 5.0 0.10-70K 460
47 7.0 0.10-80K 670
40 10.0 0.10-150K 1000
Non-Inductive versions available. Insert “N” before tolerance code.
Example: 42NJ27R
LD
1.5 in. / 38.1mm
FEATURES
•Economical
•Applicationsincludecommercial,industrialand
communicationsequipment
•Stabilityunderhightemperatureconditions
•All-weldedconstruction
•RoHScompliant;add“E”suffixtopartnumberto
specify.
Ohmite40Seriesresistorsarethemosteconomical
conformalsilicone-ceramiccoatedresistorsoffered.
Theseall-weldedunitsarecharacterizedbytheirlow
temperaturecoefficientsandresistancetothermal
shock,makingthemidealforawiderangeofelectri-
calandelectronicapplications.
Unitswith1%and5%tolerancesareidenticalin
constructionandelectricalspecifications.Durable
buteconomical40Seriesresistorsexceedindustry
requirementsforquality.
CHARACTERISTICS
SERIES SPECIFICATIONS
DIMENSIONS
(in./mm max.)
(continued)
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com 85
0.1 –––R10
0.15 –––R15
0.2–––R20
0.25 –––R25
0.3–––R30
0.33 –––R33
0.4–––R40
0.5–––R50
0.75–––R75
1–––1R0
1.5–––1R5
2–––2R0
2.2–––2R2
3–––3R0
4–––4R0
5–––5R0
7.5–––7R5
10–––10R
12–––12R
15–––15R
18–––18R
20–––20R
22–––22R
25–––25R
27–––27R
30–––30R
33–––33R
35–––35R
39–––39R
40–––40R
47–––47R
50–––50R
56–––56R
62–––62R
=Standardvalues
=Non-standardvaluessubjecttomini-
mumhandlingchargeperitem
Shadedvalues
involveveryfine
resistancewire
andshouldnot
beusedincriti-
calapplications
withoutburn-in
and/orthermal
cycling.
Ohmic value
41F––– 1
43F––– 3
45F––– 5
40F––– 10
41J––– 1
42J––– 2
43J––– 3
45J––– 5
40J––– 10
1%Tolerance 5%Tolerance
Wattage and Tolerance
Part No.
Prefix
Suffix
Ohmic value
41F––– 1
43F––– 3
45F––– 5
40F––– 10
41J––– 1
42J––– 2
43J––– 3
45J––– 5
40J––– 10
1%Tolerance 5%Tolerance
Wattage and Tolerance
Part No.
Prefix
Suffix
2,200–––2K2
2,500–––2K5
2,700–––2K7
3,000–––3K0
3,300–––3K3
3,500–––3K5
3,900–––3K9
4,000–––4K0
4,500–––4K5
4,700–––4K7
5,000–––5K0
6,000–––6K0
6,800–––6K8
7,000–––7K0
7,500–––7K5
8,000–––8K0
9,000–––9K0
10,000–––10K
12,000–––12K
13,000–––13K
15,000–––15K
17,000–––17K
20,000–––20K
22,000–––22K
25,000–––25K
30,000–––30K
33,000–––33K
35,000–––35K
40,000–––40K
50,000–––50K
68–––68R
75–––75R
82–––82R
100–––100
120–––120
125–––125
150–––150
180–––180
200–––200
220–––220
225–––225
250–––250
270–––270
300–––300
330–––330
350–––350
390–––390
400–––400
450–––450
470–––470
500–––500
560–––560
600–––600
680–––680
750–––750
800–––800
820–––820
900–––900
1,000–––1K0
1,100–––1K1
1,200–––1K2
1,500–––1K5
1,800–––1K8
2,000–––2K0
Ohmic value
41F––– 1
43F––– 3
45F––– 5
40F––– 10
41J––– 1
42J––– 2
43J––– 3
45J––– 5
40J––– 10
1%Tolerance 5%Tolerance
Wattage and Tolerance
Part No.
Prefix
Suffix
41NJR10E-T
40 Series
Ohmicone®
Silicone Ceramic
Conformal Axial
Term. Wirewound
Resistance
R10= 0.10Ω
1R0= 1.0Ω
10R = 10.0Ω
250 = 250Ω
1K0= 1,000Ω
4K5= 4,500Ω
50K = 50,000Ω
Tolerance
F= 1%
J= 5%
RoHS
Compliant
Wattage
Tape & reel
optional
pc/reel:
41: 5000
42: 1250
43: 1250
45: 1000
47: 500
40: 500
1= 1W
2
3
5
7
0=10W
Non-Inductive
Winding
optional
(blank= std.
winding)
ORDERING INFORMATION
40 Series
Ohmicone® Silicone-Ceramic Conformal
Axial Terminal Wirewound
1% and 5% Tolerance Standard
Standard part numbers
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Ohmite:
43J7R5 41F560 41F7R5 45F75R 45F47R 45F62R 45F27R 45F40R 45F22R 45F20R 45F25R 45F68R
41F500 41F5R0 45F82R 45F35R 45F30R 45F39R 45F33R 40J22R 42J120 41F1R5 45F680 41F1R0 41F150
41F100 45F600 41F180 42J1R5 42J125 43F600 43J2K0 43J6K0 43F680 43F35R 43F47R 43F82R 43F33R
43F39R 43F25R 43F10R 43F15R 43F12R 43F50R 43F56R 43F75R 43F27R 43F18R 43F20R 43F40R
43F22R 43F30R 41J2K0 45J225 40F200 42J82R 43F300 40F220 40F225 45J2R2 45J220 45J680 43F7R5
41J150 45J600 45J1K0 42J400 42J470 41F12R4 42J450 41F900 45J270 42J47R 42J50R 42J20R 43F3R0
42J18R 42J68R 43F390 42J27R 42J10R 42J25R 42J15R 42J62R 42J22R 45J200 42J12R 43F350 42J56R
42J40R 40F40K 40F2K0 40F7K0 40F8K0 40F3K0 40F4K0 40F6K0 40F5K0 40F9K0 45J900
