The price advantage of buying discrete power parts from China is real, and so is the hidden cost of getting it wrong. The difference between a good purchase and a bad one is decided before the money moves: the five documents and the three tests that verify the supplier and the part. This article balances … Read more
A factory audit finds the real problems by following one part from the wafer to the box, because the failures appear at the hand-offs between the stages. The wafer that looked clean, the assembly that looked correct, and the test that looked complete can all be right on their own and still deliver a bad … Read more
A counterfeit semiconductor is usually bought for a reason that sounds sensible — a price below the market, a part in stock when nobody else has it — and the counterfeit is revealed by clues that are visible before the part ever powers up. The price gap, the packaging inconsistencies, and the electrical data all … Read more
The 1N4002G is a 1 A, 100 V glass-passivated silicon rectifier diode in a DO-41 axial package — the member of the 1N400xG family that covers the gap between 12 V logic rails and 48 V industrial supplies. It conducts in one direction and blocks reverse voltage up to 100 V, which fits low-voltage AC-to-DC … Read more
Direct answer: The 1F3G is a 1 A, 200 V glass-passivated fast recovery rectifier in a molded R-1 axial package, rated for a 150 ns reverse recovery time, 30 A non-repetitive surge current, 1.3 V maximum forward drop, and 5 µA maximum reverse leakage. It belongs to the low-voltage end of Good-Ark’s 1 A fast … Read more