Customization: | Available |
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Resistance: | Fixed Resistor |
Function for Resistance: | Load Resistor |
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Test items
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Testing method
GB / T5729 IEC115-1 |
Performance requirements
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Rapid changes in temperature
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Lower category temperature - room temperature - upper category temperature - room temperature, 5 cycles each limit temperature is
kept 30min |
ΔR≤ ± (1% R + 0.05Ω)
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Climatic sequence
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Dry heat - Damp heat, cyclic - cold - Low pressure - cycle heat - DC load DC voltage is applied Length 1min
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ΔR≤ ± (5% R + 0.1Ω)
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Terminal Strength
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Rally test
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ΔR≤ ± (1% R + 0.05Ω)
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Resistance to soldering heat
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Groove welding method, the bath temperature: 350 ± 10 ºC time: 3.5 ± 0.5s Immersion depth: 2 ± 0.5mm
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ΔR≤ ± (1% R + 0.05Ω)
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overload
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Applying a 2.5 or 2 times the rated power load 5s
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ΔR≤ ± (1% R + 0.05Ω)
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Steady heat
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Applying a DC voltage (limit voltage of the rated voltage or elements) Length 1min
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ΔR≤ ± (5% R + 0.1Ω)
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Upper category temperature durability
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Resistor on the upper category temperature specified duration 1000h
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ΔR≤ ± (5% R + 0.1Ω)
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