JANTX2N6796

JANTX2N6796 is an Infineon/International Rectifier HiRel N-channel power MOSFET in a hermetically sealed TO-205AF (TO-39) through-hole package. The manufacturer datasheet lists a 100 V minimum drain-to-source breakdown rating and continuous drain-current limits of 8 A at a 25°C case temperature or 5 A at a 100°C case temperature, with VGS = 10 V. These are conditional ratings, not an 8 A guarantee at any ambient temperature.

Which on-resistance value is correct? At a 25°C junction temperature, the datasheet gives 0.18 ohm maximum at ID = 5 A and 0.195 ohm maximum at ID = 8 A, both with VGS = 10 V and the specified pulse-test conditions. The two values describe different tests; neither should be presented without its current and gate-drive condition.

Can a 3.3 V logic output fully turn it on? The 2-4 V gate-threshold range is measured at only 250 microamps. It is not a low-resistance gate-drive specification. Use the manufacturer's curves, gate-drive requirements, thermal limits and safe-operating-area information when checking the application. The 25 W power-dissipation rating assumes a 25°C case; it is not the free-air capability of an uncooled TO-39 package.

What must be checked for a JANTX purchase? Match the exact JANTX2N6796 marking and manufacturer to the approved BOM. Request lot/date-code photographs, available traceability and screening records, and any required certificate of conformance. The datasheet references MIL-PRF-19500/557, but a listing or part-number prefix alone does not verify the offered lot, radiation performance or suitability for a particular program.

Technical reference checked October 24, 2026: Infineon/International Rectifier HiRel PD-90430D, IRFF130 / JANTX2N6796 / JANTXV2N6796 datasheet, November 20, 2018, pages 1-2. Values above apply to that manufacturer's document; other manufacturers' same-number parts require their own specification review.