规 格
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项目
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试验方法
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性能
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电阻值容许公差
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JIS-C-5202 5-1
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Resistance Nominal Tolerance
1≤R 1>R ±5%(J) ±10%(K)
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电阻温度特性
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JIS-C-5202 5-2
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±400PPM/°C MAX
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定格负荷
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JIS-C-5202 5-4
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ΔR/R ≤ ±(0.5%+0.1Ω) Surface temperature up 350°C MAX
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短时间过负荷
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JIS-C-5202 5-5
1000% rated power 5 seconds
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Free of appearance or structural irregularity
ΔR/R ≤ ±(2%+0.1Ω)
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绝缘抵抗
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JIS-C-5202 5-6 1000VDC
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100MΩ min
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耐电压
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JIS-C-5202 5-7
2000VDC 1 minute
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Free of appearance or structural irregularity ΔR/R ≤ ±(0.1%+0.05Ω)
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端子强度
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JIS-C-5202 6-1 8kg 30 seconds
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Free of appearance or structural irregularity
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电阻器强度
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JIS-C-5202 6-2 30kg 30 seconds
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Free of appearance or structural irregularity
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耐振性
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JIS-C-5202 6-3
1.5m/m 10 ~ 50 ~ 10 Hz/min X-Y-Z 2 hours each
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Free of appearance or structural irregularity Surface coating crack ΔR/R ≤ ±(1%+0.05Ω)
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热冲击
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JIS-C-5202 7-3
Room temp 30 minutes ON-55°C 15 minutes OFF
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Resistor free of structural irregularity ΔR/R ≤ ± (2%+0.1Ω)
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耐湿性
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JIS-C-5202 7-5
40°C 90%RH 240 hours
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Free of appearance or structural irregularity Surface coating crack ΔR/R ≤ ± (3%+0.1Ω)
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耐久性
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JIS-C-5202 7-10
90 minutes ON - 30 minutes OFF, 500 hours
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Free of appearance or structural irregularity Surface coating crack ΔR/R≤ ± (3%+0.1Ω)
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难燃性
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JIS-C-5202 7-13-3-2
100% - 600% rated power load
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US UL-94 flame retardation test V-0 grade noncombustible
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备注
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1.Resistance and resistance tolerance were tested in-house with micro resistance meter.
2. Resistor coating refers to UL-certified data provided by supplier.
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