110
KOA Speer Electronics, Inc. • Bolivar Drive • P.O. Box 547 • 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. 2/11/08
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
Radial: VT, MT, MHT, VTP, VTE
U Forming: U, UCL, US
M Forming: M5, M10, M12.5
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
(Other termination
styles available,
contact factory
for options)
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)
1.18±.12
(30.0±3.0)
.024
(0.6)
.092±.012
(2.3±0.3)
.280
(7.1)
.240
(6.1)
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±.02
(3.0±0.5)
.365
(9.27)
.335
(8.5)
CF1/2
CFP1/2
Type C (max.) D d (nom.) l
Dimensions inches (mm)
EU
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 40 60 80 100 160
70
20
Ambient T emperature
(°C)
0
-55
120
155
-20 140
Surface T emperature 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
Δ R/R (%)
+2
+1
0
10 100 1k 10k
Resistance
(Ω)
-2 100k
-1
1M
CFP1/4
Performance Characteristics
Parameter Requirement
CF1/4, CFP1/4 CF1/2, CFP1/2 Test Method
Resistance to Solder Heat MIL-STD-202, Method 210
Moisture Resistance MIL-STD-202, Method 106
±5.0%
Short Time Overload
±1.0%
Load Life MIL-STD-202, Method 108, 70°C, 1000 hours
±3.0%
Temperature Cycling -55°C, 25°C, 125°C, 25°C for 5 cycles
±1.0%
Vibration MIL-STD-202, Method 214
Terminal Strength MIL-STD-202, Method 211
5 # Minimum
Voltage Coefficient MIL-STD-202, Method 301
<5 ppm/v
Current Noise MIL-STD-202, Method 308
0.02 - 0.6 μv/v 0.02 - 1.00 μv/v
* RCWV = Rated Continuous Working Voltage
2.5 x RCWV* for 5 seconds
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
2.2Ω- 1MΩ
111
KOA Speer Electronics, Inc. • Bolivar Drive • P.O. Box 547 • 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. 2/19/07
resistors