onsemi 1N4744A Series

2 variants · onsemiAll Discrete Semiconductors →

About the onsemi 1N4744A Series

The onsemi 1N4744A Series series groups 2 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common case of DO-204AL, DO-41, Axial, current - reverse leakage @ vr of 5 µA @ 11.4 V and impedance (Max) of 14 Ohms. Variants differ by operating temperature and package, so you can match the exact operating temperature your application requires using the selection guide below. The range mixes active and legacy part numbers, so you can source both current onsemi 1N4744A Series variants and discontinued ones from a single page.

Select a variant by

Operating temperature: -65°C ~ 200°C · -65°C~200°C
Package: Cut Tape (CT) Tape & Box (TB) · Tape & Reel (TR); Cut Tape (CT)

Shared specifications

Case: DO-204AL, DO-41, Axial
Current - reverse leakage @ vr: 5 µA @ 11.4 V
Impedance (Max): 14 Ohms
Mounting: Through Hole
Power - max: 1 W
Tolerance: ±5%
Voltage - zener (Nom): 15 V

Variant comparison

Parameter	1N4744A-T50A	1N4744A-T50R
Operating temperature	-65°C ~ 200°C	-65°C~200°C
Package	Cut Tape (CT) Tape & Box (TB)	Tape & Reel (TR); Cut Tape (CT)

Request a quote on any onsemi 1N4744A Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.