110 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 1/09/09
resistors
features
•Flameproof coating is available (specify “CFP”)
•Reduced body size (specify “CFS/CFPS”)
•Suitable for automatic machine insertion
•
Marking:
Beige body color with color-coded bands on CF
Green body color with color-coded bands on CFP
Ivory body color with color-coded bands on CFS1/4
•Products with lead-free terminations meet EU RoHS
and China RoHS requirements
CF
carbon film leaded resistors
Axial: T26, T52, L52
Radial: VT, MT, MHT, VTP, VTE
U Forming: U, UCL
M Forming: M5, M10, M12.5
L Forming: L10, L12.5
ordering information
2 significant
figures + 1
multiplier
“R” indicates
decimal on
value <10Ω
S1/4: 0.25W
1/4: 0.25W
1/2: 0.5W
S1/2: 0.5W
C: SnCu
CF
CFP
G: ±2%
J: ±5%
CF 1/4 C
Termination
Material
Type Power
Rating
Nominal
Resistance ToleranceTaping and Forming
New Part # T52 103
A: Ammo
R: Reel
Packaging
R J
For further information
on packaging, please refer
to Appendix C.
dimensions and construction
Ceramic Core
d
D
Marking Resistive
Film
Insulation Coating
Trimming Line
End
Cap Lead
Wire
L l
C
L
CFS1/4
CFPS1/4 .126±.008
(3.2±0.2)
.134
(3.4)
.067±.008
(1.7±0.2)
.018
(0.45)
0.008 Min.
(20.0 Min.)
.024
(0.6)
.092±.012
(2.3±0.3)
.280
(7.1)
.240±0.2
(6.1±0.5)
CF1/4
CFP1/4
.024
(0.6)
.112±.012
(2.85±0.3)
.280
(7.1)
.248±.02
(6.3±0.5)
CFS1/2
CFPS1/2
.028
(0.7)
.118±.012
(3.0±0.3)
.374
(9.5)
.335±0.2
(8.5±0.5)
CF1/2
CFP1/2
Type C (max.) D d (nom.) l
Dimensions inches (mm)
EU
1733 Reader's Spreads pg1-203:document 1/27/09 4:08 PM Page 108
CF
carbon film leaded resistors
Resistance
Range
E-24
(G±2%)
Resistance
Range
E-24
(J±5%)
Part
Designation
Absolute
Maximum
Working
Voltage
Absolute
Maximum
Overload
Voltage
Power
Rating
@ 70°C
applications and ratings
Minimum
Dielectric
Withstanding
Voltage
CFS1/4
CFPS1/4
CF1/4
CFP1/4
CF1/2*
CFP1/2*
CFS1/2
CFPS1/2
0.25W
0.50W
300V 500V
600V
800V
700V
250V
300V
400V
350V
500V
700V
2.2Ω- 1MΩ
2.2Ω- 47kΩ51kΩ- 100kΩ
110kΩ- 330kΩ
110kΩ- 330kΩ
2.2Ω- 100kΩ
110kΩ- 1MΩ
100kΩ- 1MΩ
360kΩ- 1MΩ
——
—
—
—
1.1MΩ- 2.2MΩ
1.1MΩ- 2.2MΩ
2.2Ω- 91kΩ
10Ω- 330kΩ
10Ω- 100kΩ
10Ω- 1MΩ
2.2Ω- 1MΩ
2.2Ω- 1MΩ
2.2Ω- 1MΩ
2.2Ω- 5.1MΩ
2.2Ω- 5.1MΩ
2.2Ω- 5.1MΩ
Derating Curve
environmental applications
% Rated Power
100
80
60
40
20
-60 -40 0 406080100160
70
20
Ambient Temperature
(°C)
0
-55
120
155
-20 140
Surface Temperature Rise
Temperature Rise (°C)
60
50
40
30
20
0255075
% Rated Power
0100
10
CF1/2, CFP1/2
CF1/4, CFP1/4
Load Life @ 70°C, 1000 Hr
∆R/R (%)
+2
+1
0
10 100 1k 10k
Resistance
(Ω)
-2 100k
-1
1M
CFP1/4
Performance Characteristics
T.C.R.
(ppm/°C)
+350 to -450 0 to -700 0 to -1000 0 to -1300
360kΩ- 1MΩ
1.1MΩ- 5.1MΩ
2.4MΩ- 5.1MΩ
2.4MΩ- 5.1MΩ
PMS 300 neg. Black neg.
2.2Ω- 1MΩ
111
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/29/08
resistors
* Not recommended for new designs.
Parameter
Requirement ∆R ±(% + 0.05Ω)
Limit Typical Test Method
Resistance
T.C.R.
Measuring points are at 10mm ±1mm from the end cap.
Room temperature +100°C
Within specified
tolerance
Within specified
T.C.R.
—
—
Overload (Short time) Rated voltage x 2.5 or max. overload voltage for 5 seconds, whichever is lower
±1% ±0.5%
Resistance to Solder Heat 260°C ±5°C, 10 seconds ± 1 second
±1% ±0.5%
Rapid Change of Temperature -55°C (30 minutes), +125°C (30 minutes), 5 cycles
±1% ±0.5%
Terminal Strength Twist 360°C, 5 times
No lead-coming off
and loose terminals —
Moisture Resistance 40°C ± 2°C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
±5% ±2.5%
Endurance at 70°C 70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
±3% ±1.5%
1733 Reader's Spreads pg1-203:document 1/27/09 4:09 PM Page 109
