CF
carbon film leaded resistors
features
•
Flameproof coating is available (specify “CFP”)
•
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
dimensions and construction
L
D
Trimming Line
Ceramic Core
d
l
Type
L
CFS1/4
.126±.008
CFPS1/4
(3.2±0.2)
CF1/4
CFP1/4
Marking
Resistive
Film
End
Cap
Lead
Wire
CF1/2
CFP1/2
CFS1/2
CFPS1/2
.256
(6.5)
.335
(8.5)
.248±.02
(6.3±0.5)
Dimensions
inches
(mm)
C (max.)
D
d (nom.)
.165
(4.2)
.280
(7.1)
.365
(9.27)
.280
(7.1)
.067±.02
(1.7±0.2)
.089±.01
(2.25±0.25)
.118±.02
(3.0±0.5)
.098±.02
(2.5±0.5)
.018
(0.45)
.024
(0.6)
.028
(0.7)
.024
(0.6)
1.18±.12
(30.0±3.0)
l
Insulation Coating
C
leaded
resistors
ordering information
Old Part #
CF, RD50SS, RDS2
Type
New Part #
CF
Type
CF
CFP
For further information
on packaging, please refer
to Appendix C.
1/4
Power
Rating
1/4
Power
Rating
S1/4: 0.25W
1/4: 0.25W
1/2: 0.5W
S1/2: 0.5W
103
Nominal
Resistance
L
Termination
Material
L: SnPb
C: SnCu
J
Tolerance
T52
Taping and Forming
Axial: T26, T52
Radial: VT, MT, MHT, VTP, VTE
U Forming: U, UCL, US
M Forming: M5, M10, M12.5
T52
Packaging
R
Packaging
A: Ammo
R: Reel
103
Nominal
Resistance
2 significant
figures + 1
multiplier
“R” indicates
decimal on
value <10Ω
J
Tolerance
G: ±2%
J: ±5%
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
174
KOA Speer Electronics, Inc.
• Bolivar Drive • P Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
.O.
CF
carbon film leaded resistors
applications and ratings
Part
Designation
CFS1/4
CFPS1/4
CF1/4
CFP1/4
CF1/2
CFP1/2
CFS1/2
CFPS1/2
0.50W
700V
2.2Ω - 91kΩ 100kΩ - 1MΩ
0.25W
500V
2.2Ω - 100kΩ
110kΩ - 1MΩ
110kΩ - 330kΩ 360kΩ - 1MΩ
Minimum
Power
Dielectric
Rating
Withstanding
@ 70°C
+350 to -450
Voltage
300V
T.C.R.
(ppm/°C)
0 to -700
0 to -1000
0 to -1300
Resistance Resistance
Range
Range
E-24
E-24
(G±2%)
(J±5%)
10Ω - 330kΩ
10Ω - 100kΩ
2.2Ω - 1MΩ
1.0Ω - 22MΩ
1.0Ω - 22MΩ
10Ω - 1MΩ
2.2Ω - 5.1MΩ
2.2Ω - 1MΩ
2.2Ω - 5.1MΩ
2.2Ω - 1MΩ
Absolute
Maximum
Working
Voltage
250V
300V
400V
350V
Absolute
Maximum
Overload
Voltage
500V
600V
800V
700V
2.2Ω - 47kΩ 51kΩ - 100kΩ 110kΩ - 330kΩ 360kΩ - 1MΩ
1.1MΩ - 5.1MΩ
—
—
—
1.1MΩ - 2.2MΩ 2.4MΩ - 5.1MΩ
—
—
1.1MΩ - 2.2MΩ 2.4MΩ - 5.1MΩ
environmental applications
Derating Curve
100
80
% Rated Power
60
40
20
0
-60 -40 -20
-55
Temperature Rise (°C)
Surface Temperature Rise
60
50
Load Life @ 70°C, 1000 Hr
+2
CFP1/4
+1
∆
R/R (%)
40
30
20
10
0
0
25
50
75
CF1/2, CFP1/2
CF1/4, CFP1/4
0
-1
0
20
40
60
80 100 120 140
70
Ambient Temperature
(°C)
160
155
100
-2
10
100
1k
10k
100k
1M
% Rated Power
Resistance
(Ω)
Performance Characteristics
Parameter
Temperature Coefficient
(ppm/°C) Maximum
+350 to -450
-600
-1000
-1500
-2500
-3200
Short Time Overload
Resistance to Solder Heat
Moisture Resistance
Load Life
Temperature Cycling
Vibration
Terminal Strength
Current Noise
Voltage Coefficient
Requirement
CF1/4, CFP1/4
CF1/2, CFP1/2
Test Method
≤10K
11K - 250KΩ
160K - 2.2MΩ
2.4M - 6.8MΩ
7.5M - 15MΩ
16M - 22MΩ
≤22KΩ
24K - 470KΩ
510K - 2.2MΩ
2.4M - 10MΩ
11M - 16MΩ
16M - 22MΩ
2.5 x RCWV* for 5 seconds
MIL-STD-202, Method 210
MIL-STD-202, Method 106
MIL-STD-202, Method 108, 70°C, 1000 hours
-55°C, 25°C, 125°C, 25°C for 5 cycles
MIL-STD-202, Method 214
MIL-STD-202, Method 211
MIL-STD-202, Method 308
MIL-STD-202, Method 301
±1.0%
±5.0%
±3.0%
±1.0%
5 # Minimum
0.02 - 0.6 µv/v 0.02 - 1.00 µv/v
<5 ppm/v
* RCWV = Rated Continuous Working Voltage
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
KOA Speer Electronics, Inc.
• Bolivar Drive • P Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
.O.
175
leaded
resistors
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