供應：1/8W 1/4W 1/2W 1W 2W 3W 5W全系列
MIL-STD-105
MIL-STD-202
JIS C 5202
GB 5731-85
IEC 1
QC 400101
2. TE
It is composed of dcription , rated wattage , minal ristance , tolerance and packaging.
2.1 Explanation of part numbers :
1 2 3 4 5 6 7 8 9 10 11 12 13
2.2 Example of exprsion :
Miniature te (all size) and Flame Proof te are also ailable.
Part Number Dcription
CF 12.5 4K7 J BP Carbon Film Fixed Ristor , 1/8W , 4.7KΩ, +/-5% tolerance , bulk pack.
TB / TR
2 26
5 52
Power Rating
Code Wattage
12.5 0.125(1/8W)
25 0.25(1/4W)
50 0.50(1/2W)
100 1.0(1W)
200 2.0(2W)
300 3.0(3W)
Ristance
Tolerance
Code Tol.
B 0.1%
C 0.25%
D 0.5%
F 1%
G 2%
J 5%
K 10%
Suffix for Packaging
& Special Produ
BP Bulk Pack
TB Tape in Box
TR Tape in Reel
FP Flame Proof
Produ
Code
C Carbon
F Film
Body
Size
S all
Size
C F 1 2 .5 4 K 7 J B P
minal Ristance Value
SHEN ZHEN SHI SHEN ZHONG TAI ELERONIC CO.,LTD.
page 2/6
PRODU : CARBON FILM FIXED RISTOR TE : CF –12.5/25/50/100/200/300
2.3 Color code indication for minal ristance value and tolerance
Fixed ristors of which the minal ristance value and tolerance are indicated by color cod
following the standard as below:
TABLE - 1
COLOR 1STDIGIT 2NDDIGIT MULTIPLIER TOLERANCE
BLACK 0 0 1
BROWN 1 1 10 F(&plun;1%)
RED 2 2 100 G(&plun;2%)
ORANGE 3 3 1,000
YELLOW 4 4 10,000
GREEN 5 5 100,000 D(&plun;0.50%)
BLUE 6 6 1000,000 C(&plun;0.25%)
VIOLET 7 7 10,000,000 B(&plun;0.10%)
GREY 8 8
WHITE 9 9
GOLD 0.1 J (&plun;5%)
SILVER 0.01 K (&plun;10%)
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page 3/6
PRODU : CARBON FILM FIXED ISTOR TE : CF –12.5/25/50/100/200/300
3. DIMENSIONS :
H L
ÆD
Unit : mm
BODY LEAD WIRE
TE
L D H d
CF-12.5(CF -25S) 3.5&plun;0.5 1.7&plun;0.5 28(24)&plun;1 0.43(0.40)&plun;0.05
CF-25(CF -50S) 6.5&plun;0.5 2.3&plun;0.5 27(23)&plun;1 0.52 (0.43/ 0.48)&plun;0.05
CF-50(CF -100S) 9.0&plun;0.5 3.0&plun;0.5 26&plun;1 0.60&plun;0.05
CF-100(CF -200S) 11.0&plun;1 4.0&plun;0.5 26(30)&plun;1 0.60&plun;0.05
CF-200(CF -300S) 15.0&plun;1 5.0&plun;0.5 24(35)&plun;1 0.78&plun;0.05
CF-300 17.0&plun;1 6.0&plun;0.5 24(35)&plun;1 0.78&plun;0.05
TABLE - 2
Æd
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page 4/6
PRODU : CARBON FILM FIXED ISTOR TE : CF –12.5/25/50/100/200/300
4. SPECIFICATIONS
TABLE - 3
DCRIPTION
內容 CF-12.5
CF-25
(CF-50S)
CF-50
(CF-50S)
CF-100
(CF-100S)
CF-200
(CF-200S)
CF-300
(CF-300S)
STANDARD RISTANCE VALUE RANGE
標準阻值范圍 1Ω-4.7MΩ 1Ω-4.7MΩ 1Ω-4.7MΩ 1Ω-4.7MΩ 1Ω-4.7MΩ 1Ω-4.7MΩ
POWER RATING AT 70℃
額定功率(70℃) 1/8W 1/4W 1/2W 1W 2W 3W
MAX WORKING VOLTAGE
使用電壓 200V 250V 350V 500V 500V 500V
MAX OVERLOAD VOLTAGE
過負荷電壓 400V 500V 700V 1,000V 1,000V 1,000V
OPERATING TEMPERATURE RANGE
使用溫度范圍 -55℃~+135℃ -55℃~+135℃ -55℃~+135℃ -55℃~+155℃ -55℃~+155℃ -55℃~+155℃
TEMPERATURE COEFFICIENT
溫度特性
≦10Ω
10Ω- 220KΩ
230KΩ- 1MΩ
OVER 1MΩ
&plun;300PPM
-500PPM
-1,000PPM
-1,500PPM
&plun;300PPM
-500PPM
-1,000PPM
-1,500PPM
&plun;300PPM
-500PPM
-700PPM
-1,000PPM
&plun;300PPM
-400PPM
-600PPM
&plun;300PPM
-400PPM
-600PPM
&plun;300PPM
-400PPM
-600PPM
TEMPERATURE CYCLING
溫度循環 &plun;(1R%+0.05Ω) &plun;(1R%+0.05Ω) &plun;(1R%+0.05Ω) &plun;(1R%+0.05Ω) &plun;(1R%+0.05Ω) &plun;(1R%+0.05Ω)
VOLTAGE COEFFICIENT
電壓特性 MAX.50PPM/V MAX.50PPM/V MAX.50PPM/V MAX.50PPM/V MAX.50PPM/V MAX.50PPM/V
INSULATION RISTANCE
絕緣電阻 MIN.1,000MΩ MIN.1,000MΩ MIN.1,000MΩ MIN.1,000MΩ MIN.1,000MΩ MIN.1,000MΩ
HUMIDITY
耐濕負荷壽命 &plun;3% &plun;3% &plun;3% &plun;3% &plun;3% &plun;3%
SHORT-TIME OVERLOAD
短時間過負荷 &plun;(1R%+0.05Ω) &plun;(1R%+0.05Ω) &plun;(1R%+0.05Ω) &plun;(1R%+0.05Ω) &plun;(1R%+0.05Ω) &plun;(1R%+0.05Ω)
SOLDERABILITY
焊錫性
MIN.95% COVERED MIN.95% COVERED MIN.95% COVERED MIN.95% COVERED MIN.95% COVERED MIN.95% COVERED
VIBRATION
耐震性 &plun;(1R%+0.05Ω) &plun;(1R%+0.05Ω) &plun;(1R%+0.05Ω) &plun;(1R%+0.05Ω) &plun;(1R%+0.05Ω) &plun;(1R%+0.05Ω)
LOAD LIFE
負載壽命 MAX.&plun;5% MAX.&plun;5% MAX.&plun;5% MAX.&plun;5% MAX.&plun;5% MAX.&plun;5%
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page 5/6
PRODU : CARBON FILM FIXED RISTOR TE : CF –12.5/25/50/100/200/300
5. STRUURE DIAGRAM
TABLE - 4
n m qk o p j l
(1) CORE CERAMIC ROD
(2) RISTANCE FILM CARBON FILM
(3) TERMINAL TINNED IRON CAP
(4) CONNEION ELERIC WELDING
(5) LEAD WIRE SOLDERED OR TINNED ANNEALED COPPER WIRE
(6) UNDERT ELERIC INSULATION VARNISH
(7) FINISHING PAINTING ELERIC INSULATION PAINT
(8) INDICATION COLOR CODE INK
MAX. TTING VOLTAGE
RATED RISTANCE VALUE
0.125W / 0.25W 0.5W / 1W / 2W / 3W
1Ω≦R<10Ω 0.3 0.3
10Ω≦R<100Ω 0.3 1
100Ω≦R<1KΩ 1 3
1KΩ≦R<10KΩ 3 10
10KΩ≦R<100KΩ 10 30
100KΩ≦R<1MΩ 30 50
1MΩ≦R 50 100
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page 6/6
PRODU : CARBON FILM FIXED RISTOR TE : CF –12.5/25/50/100/200/300
6. CHARAERISTICS
TABLE – 5
DC RISTANCE VALUE TT METHOD MIL-STD-202 ITEM 303
VOLTAGE AS TABLE -4.
TEMPERATURE 25℃&plun;2℃.
AQL 0.25%.
VOLTAGE WITHSTAND TT METHOD MIL-STD-202 ITEM 301
V-BLOCK METHOD.
VOLTAGE AS TABLE -3 &tim;1.42 , 1 MIN.
AQL 1%.
SHORT TIME OVERLOAD TT METHOD JIS C 5202 ITEM 5.5
RATED VOLTAGE &tim; 2.5 TIM
OR MAX.WORKINGVOLTAGE &tim; 2 TIM.
ABOVE TT 5 SEC.
THE RISTANCE VALUE CHANGE RATE
SHALL BE WITHIN &plun;(1%R+0.05 Ω).
TERMINAL STRENGTH TT METHOD MIL-STD-202 ITEM 211
TENSILE STRENGTH : 1K
TENSIONAL STRENGTH : 180°, 2 CYCL.
BENDING STRENGTH : 0.5KG, 2 TIM.
THE RISTANCE VALUE CHANGE RATE
SHALL BE WITHIN &plun;(0.5%R+0.05 Ω).
SOLDERABILITY OF TERMINAL TT METHOD MIL-STD-202 ITEM 210
260℃&plun;5℃ 10&plun;1SEC.
AFTER TTING, LEE FOR 3 HOURS.
THE RISTANCE VALUE CHANGE RATE
SHALL BE WITHIN &plun;(1%R+0.05 Ω).
TEMPERATURE CYCLE TT METHOD MIL-STD-202 ITEM 107
LOW SIDE TEMPERATURE : -55℃&plun;3℃ 30MIN.
ROOM TEMPERATURE : 10-15MIN.
HIGH SIDE TEMPERATURE :+125℃&plun;3℃ 30MIN.
ROOM TEMPERATURE : 10-15MIN.
ABOVE TT 5 CYCL
AFTER LAST CYCLE, LEE FOR 1-3 HOURS.
THE RISTANCE VALUE CHANGE RATE
SHALL BE WITHIN &plun;(1%R+0.05 Ω).
VIBRATION WITHSTAND TT METHOD MIL-STD-202 ITEM 204
X, Y, Z-EACH DIREION 2 HOURS.
AMPLITUDE 0.75MM.
RANGE : 10HZ ~ 500HZ.
THE RISTANCE VALUE CHANGE RATE
SHALL BE WITHIN &plun;(1%R+0.05 Ω).
LOAD LIFE TT METHOD MIL-STD-202 ITEM 108
70℃&plun;2℃. 1000 HOURS
RATED VOLTAGE (1.5 HOURS ON, 0.5 HOUR OFF).
THE RISTANCE VALUE CHANGE RATE
SHALL BE WITHIN &plun;(5%R+0.1 Ω).
RISTANCE TEMPERATURE
COEFFICIENT
TT METHOD MIL-STD-202 ITEM 304
THE RISTANCE VALUE CHANGE RATE
SHALL BE AS TABLE – 3.
LOAD LIFE IN HUMIDITY TT METHOD MIL-STD-202 ITEM 103 THE RISTANCE VALUE CHANGE RATE
SHALL BE WITHIN &plun;(5%R+0.1 Ω).
TE :