Shenzhen Topmay Electronic Co., Ltd.
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Carbon Film Fixed Resistor 1Ω~4.7MΩ 2W Precision 5% For PCB Board Dedicated
●FEATURES
High Quality
Meet Performance requirements of CNS
Standard Tolerance: ±2%, ±5%.
Variety of packing: Bulk, Taped and formed supplied.
High resistance range (1Ω-10MΩ).
Small-Sized use selected ceramic with high performance which is suitable for compact sets.
CARBON FILM FIXED RESISTOR STANDARD TYPE
CF(1/8W,1/4W,1/2W,1W,2W,3W,5W)
CF(1/8W,1/4W,1/2W,1W,2W,3W,5W)
MINI(1/4WS,1/2WS,1WS,2WS,3WS,5WS)
●CONSTURCTION
a) CERAMIC CORE (HIGH CONDUCTIVITY).
b) CARBON FILM (HIGH STABILITY).
c) END CAP (HIGH RELIABILITY FITTING BY ORIGINAL CAP-PRESSING METHOD).
d) EPOXY RESIN (INSULATIVE LACQUER, SOLVENT-PROOF).
e). COLOR CODE (PER CNS 2320 STANDARDS PERMANENT).
f) LEAD WIRE .
●Power Characteristics
| POWER RATE lTEM |
0.125W (1/8W) |
0.25W (1/4W) (1/4WS) |
0.5W (1/2W) (1/2WS) |
1W 1WS |
2W 2WS |
3W 3WS |
5W 5WS | |
| MAX WORKING VOLTAGE |
200V |
250V |
350V |
500V | 750V 500V |
750V |
750V | |
| MAX OVERLOAD VOLTAGE |
400V |
500V |
700V |
1000V | 1500V 1000V |
1500V |
1500V | |
| MAX PULSE OVERLOAD VOLTAGE |
500V |
600V |
1000V |
1500V | 2000V 1500V |
2000V |
2000V | |
| DIELECTRIC WITHSTANDING VOLTAGE |
300V (AC) |
500V (AC) |
700V (AC) |
1000V (AC) | 1500V 1000V (AC) |
1500V (AC) |
1500V (AC) | |
| RESISTANCE TOLERANCE |
J±5% |
J±5% |
J±5% |
J±5% |
J±5% |
J±5% |
J±5% | |
|
RESISTANCE RANGE(Ω) | MIN | 1.0Ω | 1.0Ω | 1.0Ω | 1.0Ω | 1.0Ω | 1.0Ω | 1.0Ω |
| MAX | 4.7MΩ | 4.7MΩ | 10MΩ | 10MΩ | 10MΩ | 4.7MΩ | 4.7MΩ | |
| CHARACTERISTICS | SPECIFICATIONS | TEST METHODS | ||
| DC RESISTANCE | J (±5%) G (±2%) | AT 25℃ | ||
|
T.C.R |
1/8W 1/4WS | Nominal Resistance | TEMP PPM/℃ |
100℃ RESISTANCE VALUE AT ROOM TEMPERATURE AND ROOM TEMPERATURE＋100℃ |
| LESS THAN 4.7Ω | ±350 | |||
| 4.7Ω-910Ω | ±300 | |||
| 1K-62K | ±500 | |||
| 68K-200K | ±700 | |||
| OVER 200K | ±1000 | |||
|
1/4W 1/2W(1/2WS) 1W(1WS) 2W(2WS) 3W(3WS) 5W(5WS) | LESS THAN 4.7Ω | ±350 | ||
| 4.7Ω-51K | ±300 | |||
| 56K-430K | ±500 | |||
| 470K-910K | ±700 | |||
| OVER 1M | ±1000 | |||
|
LOAD LIFE IN HUMIDTY | LESS THAN 100K,±3% 100K OR MORE,±5% | 40℃ 90-95%RH,1000,HRS. | ||
|
LOAD LIFE | LESS THAN 56K,±2% 56K OR MORE,±3% | 70℃,1000,HRS | ||
| SHORT TIME OVERLOAD |
±(1%+0.05Ω) | TIMES RATED VOLTAGE 5 SEC | ||
| INSULATION RESISTANCE | 1000M OR MORE | V-BLOCK | ||
| DIELECTRIC WITHSTANDING VOLTAGE |
±(0.5%+0.05Ω) | VOLTAGE SPECIFIED IN RATING TABLE | ||
| TEMPERATURE CYCLING |
±(1%+0.05Ω) | -25℃～85℃,ROR 5 CYCLES | ||
| RESISTANCE TO SOLDERING HEAT |
±(1%+0.05Ω) | 350℃±5℃,2 SEC 235℃±5℃,5 SEC | ||
| SOLDERABILITY | 90% COVERAGE MINIMUM | 235℃±5℃ ,5 SEC | ||
| TEPMINAL STRENGTH | LEADS NO DAMAGE | DIRECT LOAD TWIST TEST | ||
Color Code
Our series of strong products of capacitors can be divided into below types:
★ Ceramic Disc Capacitor( low and high voltage, Y1/Y2 safety )
★ Multilayer Ceramic Capacitor( radial, axial and SMD )
★ Film Capacitor( Mylar, MKT, MKP, X2, CBB60, CBB61, CBB65, CL21-Box, CBB-BOX, CL20, CBB20, CBB81, etc. )
★ Aluminum Electrolytic Capacitor(SMD, Radial , Axial, Snap-in , Screw Terminal, etc. )
★ Tantalum Capacitor(SMD, Radial , Axial )
★ Super Capacitor( Coin Type, Cylindrical Type, Module Type)
★ Mica Capacitor
★ Trimmer Capacitor
And series of resistors which we develop new production lines are as below:
★ SMD Resistors
★DIP TYPE Resistors( KNP, CF, MF, MOF, ect,)
★ Cement Resistors
★ Leadless Resistors( MLEF)
★Power Resistor