Product Line

Thick Film Chip Series Resistors

Product Name : CHARACTERISTICS REFERENCE

Description


Derating Curve:
The power that the resistor can dissipate depends on the operating temperature. For operation at ambient temperature in excess 70℃ the load should be derated in accordance with figure of Derating Curve.

Performance Characteristic:
Description Requirements Test Method JIS C5202-1997
Resistance Within specified tolerance Clause 5.1
Temperature Coefficient of Resistance See Ratings Table Clause 5.2: Measuring temperature +25℃/-55℃/+25℃/+125℃
Short-time Overload Within ±(1%+0.05Ω) No major visible damage Clause 5.5:Rate voltage x2.5 for 5 seconds
Bending Strength Within±(1%+0.05Ω), No cracks in the resistor body, no terminal peeling Clause 6-1-4(1):Install a sample on the board and bend the board 4/90mm for 10 seconds but  1/4 and 1 are 3/90mm
Solder-heat Resistance Within±(1%+0.05Ω), No cracks in the resistor body Clause 6.10:Dip into 260℃ solder bath for 10 seconds
Solderability At least 95% of the terminal surface must be covered by new solder Clause 6.11:After dipping into flux. Dip into 235℃ solder bath for 2 seconds
Temperature Cycle Within±(1%+0.05Ω), No cracks in the resistor body Clause 7.4:Cycle between-55℃ and 125℃ for 5 cycles
Load Life in Moisture 10Ω<R<1MΩ:Within±(3%+0.1Ω) R<10Ω,R>1MΩ:Within±(5%+0.1Ω) No major visible damage Clause 7.9:Rated voltage 1.5 hours "ON" 0.5 hours "OFF"40℃,95% RH 1,000 Hours
Load Life 10Ω<R<1MΩ:Within±(3%+0.1Ω) R<10Ω,R>1MΩ:Within±(5%+0.1Ω) No major visible damage Clause 7.10:Rated voltage 1.5 hours "ON" 0.5 hours "OFF" 70℃  1,000  Hours
History
    3Inquiry