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TC164 Datasheet(PDF) 5 Page - List of Unclassifed Manufacturers |
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TC164 Datasheet(HTML) 5 Page - List of Unclassifed Manufacturers |
5 / 7 page www.yageo.com Mar. 24, 2004 V.4 Chip Resistor Surface Mount 5 7 SERIES TC 164 TYPE TEST METHOD ACCEPTANCE STANDARD Formula Temperature Coefficient of Resistance (T.C.R.) Measure resistance at +25°C or specified room temperature as R1, then measure at –55°C or +155°C respectively as R2. Determine the temperature coefficient of resistance from the following formula: T.C.R. = ------------------------- ×106 (ppm/°C) Where t1=+25°C or specified room temperature t2=–55°C or +155°C test temperature R1=resistance at reference temperature in ohms R2=resistance at test temperature in ohms Refer to table 2 Thermal Shock At –55±3°C for 2 minutes and at +155±2°C for 2 minutes as one cycle. After 5 cycles, the specimen shall be stabilized at room temp. Measure the resistance to determine ΔR/R(%) after one more hour. ±(1.0%+0.05Ω) Low Temperature Operation Place the specimen in a test chamber maintained at –65 (+0/–5)°C. After one hour stabilization at this temperature, full rated working voltage shall be applied for 45 (+5/–0) minutes. Have15 (+5/–0 ) minutes after remove the voltage, the specimen shall be removed from the chamber and stabilized at room temperature for 24 hrs. Measure the resistance to determine ΔR/R(%). ±(1.0%+0.05Ω) No visible damage Short Time Overload Apply 2.5 times of rated voltage but not exceeding the maximum overload voltage for 5 seconds. Have the specimen stabilized at room temperature for 30 minutes minimum. Measure the resistance to determine ΔR/R(%). ±(2.0%+0.05Ω) No visible damage Insulation Resistance Place the specimen in the jig and apply a rated continues overload voltage (R.C.O.V) for one minute as shown. Measure the insulation resistance. Type TC164 Voltage (DC) 100V ≥10,000MΩ Dielectric Withstand Voltage Place the specimen in the jig and apply a specified value continuous overload voltage as shown for one minute. Type TC164 Voltage (AC) 100Vrms Breakdown voltage> specification and without open/short Resistance To Soldering Heat Immerse the specimen in the solder pot at 260±5°C. for 10±1 seconds. Have the specimen stabilized at room temperature for 30 minutes minimum. Measure the resistance to determine R/R(%). Δ ±(1.0%+0.05Ω) No visible damage R2–R1 R1(t2–t1) |
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