m c mult comp RoHS Compliant Layer Name Material Percent Rated Load ( %) Derating Curve Ambient Temperature ( C ) Characteristics DC. Resistance Limits Test Methods (JIS C 5201-1) Must be within the specified tolerance 5.1 The limit of error of measuring apparatus shall not exceed allowable range or 1% of resistance tolerance Within the temperature coefficient specified below: 5.2 Natural resistance change per temp. degree centigrade. Temperature coefficient 50 PPM/C Maximum R2 -R1 x 106 (PPM/C) R1(t2 -t1) R1: Resistance value at room temperature (t 1) R2 : Resistance value at room temp. plus 100C (t 2 ) Short time overload Resistance change rate is (0.5% +0.05) Max. with No evidence of mechanical damage. 5.5 Permanent resistance change after the application of a potential of 2.5 times RCWV for 5 seconds Dielectric withstanding voltage No evidence of flashover mechanical damage, arcing or insulation breakdown. 5.7 Resistors shall be clamped in the trough of a 90 metallic V-block and shall be tested at AC potential respectively specified in sheet '1' Pulse overload Resistance change rate is (1% +0.05) Max. with no evidence of mechanical damage. 5.8 Resistance change after 10,000 cycles (1 second "ON", 25 seconds "OFF") at 4 times RCWV No evidence of mechanical damage. 6.1Direct load: Resistance to a 2.5 kgs direct load for 10 seconds in the direction of the longitudinal axis of the terminal leads. Twist test: Terminal leads shall be bent through 90 at a point of about 6mm from the body of the resistor and shall be rotated through 360 about the original axis of the bent terminal in alternating directions for a total of 3 rotations. Resistance to soldering heat Resistance change rate is (1% +0.05) Max. with no evidence of mechanical damage. 6.4 Permanent resistance change when leads immersed to 3.2 to 4.8mm from the body in 350C 10C solder for 3 0.5 seconds. Solderability 95% coverage Min. Terminal strength Resistance to solvent Temperature cycling Load life in humidity No deterioration of protective coating and markings. Resistance change rate is (1% +0.05) Max. with no evidence of mechanical damage. Resistance Value Normal type Load life 6.5 The area covered with a new, smooth, clean, shiny and continuous surface free from concentrated pinholes. Test temperature of solder: 245C 3C Dwell time in solder: 2-3 seconds Resistance Value Normal type R/R 1.5% R/R 1.5% 6.9 Specimens shall be immersed in a bath of trichroethane completely for 3 mins with ultrasonic. 7.4 Resistance change after continuous five cycles for duty shown below : Step Temperature Time (min) 1 2 3 4 -55C 3C Room Temp. +155C 2C Room Temp. 30 10 ~ 15 30 10 ~ 15 7.9 Resistance change after 1,000 hours (1.5 hours "ON, 0.5 hour "OFF" ) at * RCWV in humidity test chamber controlled at 40C2C and 90 to 95% relative humidity. 7.10 Permanent resistance change after 1,000 hours operating at * RCWV with duty cycle of 1.5 hours "on", 0.5 hour "off" at 70C 2C ambient. *RCWV = Rated Continuous Working Voltage = Rated Power x Resistance Value Multicomp Mfr P/N # Resistance Multicomp Mfr P/N # Resistance Multicomp Mfr P/N # Resistance