ASR
1 / 6Pages

ASR/ASRM Series Anti-Surge Resistor Features: Resistive Product Solutions Excellent anti-surge characteristics Stable characteristics through the resistance range Good alternative to carbon composition resistors Applications include power supplies, CRT’s, and antisurge circuits Cut and formed product is available on select sizes; contact factory for details Flameproof coating per UL94 V-0 RoHS compliant / lead-free Electrical Specifications Maximum Working (1) Voltage Ohmic Range (Ω) and Tolerance 5% Maximum Overload Voltage Dielectric Withstand Voltage Type / Code Power Rating (Watts) @ 70ºC (1) Lesser of √PR or maximum working voltage. (2) 10 discharges from a 0.01µF capacitor every 5 seconds. Mechanical Specifications Type / Code Weight (mg/pc) Rev Date: 02/29/2016 This specification may be changed at any time without prior notice Please confirm technical specifications before you o

ASR/ASRM Series Anti-Surge Resistor Resistive Product Solutions Performance Characteristics Test Temperature Coefficient of Resistance Voltage Proof Insulation Resistance Solvent Resistance Overload (Short Time) Resistance to Soldering Heat Solderability Test Result Test Method Measure resistance (R0) at room temperature (t), after that, measure again the resistance (R) at 100ºC higher than room temperature All Other Sizes: -1800~0 ppm/ºC Change of resistance ≤ ± (0.5%+0.05Ω) No mechanical damage Lay the resistor on the 90º angle metal V block and apply rated AC voltage for one minute Lay...

ASR/ASRM Series Anti-Surge Resistor Resistive Product Solutions Anti-Surge Characteristics Test Test Result Test Method Anti-Surge Characteristics 1 Anti-Surge Characteristics 2 Change of resistance ≤ ± (10%+0.05Ω) Change of resistance ≤ ± (5%+0.05Ω) Discharge from 0.01µF capacitor for 10 times every 5 seconds. The discharge voltage is shown in Surge Withstanding Voltage table. Discharge from 1nF capacitor for 50 times every 5 seconds. The discharge voltage is shown in Surge Withstanding Voltage table. Surge Withstanding Voltage Type / Code Resitance Range Surge Withstanding Percent Rated...

ASR/ASRM Series Anti-Surge Resistor Resistive Product Solutions Pulse Limiting Power (single square shaped pulse): 10K Max. Permissible Pulse Power (W) Repetitive Pulse Information If repetitive pulses are applied to resistors, pulse wave form must be less than “Pulse limiting voltage”, “Pulse limiting current” or “Pulse limiting wattage” calculated by the formula below. Vp Pulse limiting voltage (V) Pulse limiting current (A) Pulse limiting wattage (W) Power rating (W) Nominal resistance (ohm) Repetitive period (sec) Pulse duration (sec) Coefficient by resistors type (refer to below...

ASR/ASRM Series Anti-Surge Resistor Note 1: Note 2: Note 3: Note 4: Resistive Product Solutions If T>10 → T = 10 (sec), T/t>1000 → T/t = 1000 If T>10 and T/t>1000, “Pulse Limiting power (Single pulse) is applied If Vp

ASR/ASRM Series Anti-Surge Resistor Resistive Product Solutions 4. Triangular wave  Square wave 5. Special wave  Square wave Product Series ASR Standard ASRM Mini Rev Date: 02/29/2016 This specification may be changed at any time without prior notice Please confirm technical specifications before you order and/or use. Four characters with the multiplier used as the decimal holder. 10 ohm = 10R0 560 Kohm = 560K 1 Mohm = 1M00 www.seielect.com marketing@seielect.co