How do the Vishay Vishay BAS4 Series variants differ?

Vishay BAS4 Series part numbers differ by capacitance @ vr, f, case, current - average rectified and current - reverse leakage @ vr. Use the selection guide above to pick by capacitance @ vr, f.

How many Vishay Vishay BAS4 Series part numbers are listed?

9 Vishay Vishay BAS4 Series part numbers are listed, each with specifications and a datasheet where available.

Vishay BAS4 Series

9 variants · Vishay

About the Vishay Vishay BAS4 Series series

The Vishay Vishay BAS4 Series series groups 9 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common mounting type of Surface Mount, package of Tape & Reel (TR); Cut Tape (CT) and voltage - DC reverse (Vr) of 40 V. 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 BAS4 Series part numbers are active and orderable.

Select a variant by

Capacitance @ vr, f: 2.9pF @ 0V, 1MHz · 4pF @ 0V, 1MHz · 5pF @ 0V, 1MHz
Case: 0402 (1006 Metric) · SC-79, SOD-523 · TO-236-3, SC-59, SOT-23-3
Current - average rectified: 120mA · 200mA
Current - reverse leakage @ vr: 10 µA @ 40 V · 100 nA @ 30 V
Diode type: Schottky · Standard
Operating temperature - junction: 125°C · 125°C(Max) · 150°C · 175°C
Speed: Fast Recovery =< 500ns, > 200mA (Io) · Small Signal =< 200mA (Io), Any Speed

Variant comparison

Parameter	BAS40-00-E3-08	BAS40-00-E3-18	BAS40-00-G3-08	BAS40-00-HE3-08	BAS40-02V-HG3-08	BAS40L-G3-08
Capacitance @ vr, f	5pF @ 0V, 1MHz	5pF @ 0V, 1MHz	5pF @ 0V, 1MHz	5pF @ 0V, 1MHz	4pF @ 0V, 1MHz	2.9pF @ 0V, 1MHz
Case	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	SC-79, SOD-523	0402 (1006 Metric)
Current - average rectified	200mA	200mA	200mA	200mA	120mA	200mA
Current - reverse leakage @ vr	100 nA @ 30 V	100 nA @ 30 V	100 nA @ 30 V	100 nA @ 30 V	100 nA @ 30 V	10 µA @ 40 V
Diode type	Schottky	Schottky	Schottky	Schottky	Standard	Schottky
Operating temperature - junction	125°C(Max)	125°C(Max)	125°C(Max)	125°C(Max)	125°C	150°C
Speed	Small Signal =< 200mA (Io), Any Speed	Small Signal =< 200mA (Io), Any Speed	Small Signal =< 200mA (Io), Any Speed	Small Signal =< 200mA (Io), Any Speed	Small Signal =< 200mA (Io), Any Speed	Fast Recovery =< 500ns, > 200mA (Io)

Shared specifications

Mounting type: Surface Mount
Package: Tape & Reel (TR); Cut Tape (CT)
Voltage - DC reverse (Vr): 40 V
Voltage - forward (Vf) (Max) @ if: 1 V @ 40 mA

Request a quote on any Vishay BAS4 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 BAS4 Series variants differ?: Vishay BAS4 Series part numbers differ by capacitance @ vr, f, case, current - average rectified and current - reverse leakage @ vr. Use the selection guide above to pick by capacitance @ vr, f.
How many Vishay Vishay BAS4 Series part numbers are listed?: 9 Vishay Vishay BAS4 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Vishay Vishay BAS4 Series?: Request a quote (RFQ) for any Vishay BAS4 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.