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Electronic Components Datasheet Search |
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SR270K10D Datasheet(PDF) 19 Page - WALSIN TECHNOLOGY CORPORATION |
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SR270K10D Datasheet(HTML) 19 Page - WALSIN TECHNOLOGY CORPORATION |
19 / 24 page ![]() 19 THE PROCESS CONTROL OF VARISTOR Process Inspection Items Control Method Raw materials Product line test IQC report Weighing Weight Weighing accuracy control Record check Periodical calibration Wet mixing Solid content Mixing time Record and check Spray drying Rheology and viscosity of slurry Slurry density Spray drying conditions Record and check Granulated powder Moisture content,flowability, Tap density Sampling test Forming Dimension of green body Weight of green body Record and check Binder Burn-out Burn-out temperature and time Record and check Sintering Sintering profile Automatic record and monitor Record and check Electrical test Vb. Leakage current, clamping Voltage, capacitance Every batch by sampling Electrode applying Heat treating temperature, time, Visual inspection Record and check Soldering & Coating Temperature and visual inspection Every batch Cutting Leads Visual inspection, Lead length Every batch 100% Final test Electrical: Vb, leakage current, alpha Every batch 100% Marking Visual inspection Every batch Quality control Vb, leakage current, alpha, Clamping voltage, surge test, Dimension, solderability Every batch sampling Packing & Shipment PO #, Customer name, Quantity, P/N, address Every shipment |
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