How do the Vishay Vishay 1N44 Series variants differ?

Vishay 1N44 Series part numbers differ by capacitance @ vr, f, case, current - average rectified and mounting type. Use the selection guide above to pick by capacitance @ vr, f.

How many Vishay Vishay 1N44 Series part numbers are listed?

4 Vishay Vishay 1N44 Series part numbers are listed, each with specifications and a datasheet where available.

Vishay 1N44 Series

Q: How do I get pricing and lead time for Vishay Vishay 1N44 Series?

Request a quote (RFQ) for any Vishay 1N44 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

4 variants · Vishay

About the Vishay Vishay 1N44 Series series

The Vishay Vishay 1N44 Series series groups 4 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common current - reverse leakage @ vr of 5 µA @ 75 V and speed of Small Signal =< 200mA (Io), Any Speed. Variants differ by capacitance @ vr, f, case and current - average rectified, so you can match the exact capacitance @ vr, f your application requires using the selection guide below. All listed Vishay 1N44 Series part numbers are active and orderable.

Select a variant by

Capacitance @ vr, f: - · 2pF @ 0V, 1MHz · 4pF @ 0V, 1MHz
Case: DO-204AH, DO-35, Axial · SC-76, SOD-323 · SOD-123
Current - average rectified: 150mA · 200mA
Mounting type: Surface Mount · Through Hole
Operating temperature - junction: -55°C ~ 175°C · -55°C~150°C · 175°C(Max)
Package: Cut Tape (CT); Tape & Box (TB) · Tape & Reel (TR) Cut Tape (CT) · Tape & Reel (TR); Cut Tape (CT)
Reverse recovery time: 4 ns · 8 ns

Variant comparison

Parameter	1N4448TAP	1N4448W-HE3-08	1N4448WS-HE3-08	1N4448TR
Capacitance @ vr, f	4pF @ 0V, 1MHz	-	-	2pF @ 0V, 1MHz
Case	DO-204AH, DO-35, Axial	SOD-123	SC-76, SOD-323	DO-204AH, DO-35, Axial
Current - average rectified	150mA	150mA	150mA	200mA
Mounting type	Through Hole	Surface Mount	Surface Mount	Through Hole
Operating temperature - junction	175°C(Max)	-55°C~150°C	-55°C~150°C	-55°C ~ 175°C
Package	Cut Tape (CT); Tape & Box (TB)	Tape & Reel (TR); Cut Tape (CT)	Tape & Reel (TR); Cut Tape (CT)	Tape & Reel (TR) Cut Tape (CT)
Reverse recovery time	8 ns	4 ns	4 ns	4 ns

Shared specifications

Current - reverse leakage @ vr: 5 µA @ 75 V
Speed: Small Signal =< 200mA (Io), Any Speed

Request a quote on any Vishay 1N44 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the Vishay Vishay 1N44 Series variants differ?: Vishay 1N44 Series part numbers differ by capacitance @ vr, f, case, current - average rectified and mounting type. Use the selection guide above to pick by capacitance @ vr, f.
How many Vishay Vishay 1N44 Series part numbers are listed?: 4 Vishay Vishay 1N44 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Vishay Vishay 1N44 Series?: Request a quote (RFQ) for any Vishay 1N44 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.