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STMicroelectronics BAT4 Series

6 variants · STMicroelectronics

About the STMicroelectronics STMicroelectronics BAT4 Series series

The STMicroelectronics STMicroelectronics BAT4 Series series groups 6 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common mounting type of Surface Mount, operating temperature - junction of 150°C (Max) and package of Tape & Reel (TR); Cut Tape (CT). 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.

Select a variant by

Capacitance @ vr, f
10pF @ 0V, 1MHz · 10pF @ 1V, 1MHz
Case
SC-79, SOD-523 · SOD-123
Current - average rectified
150mA · 200mA
Current - reverse leakage @ vr
5 µA @ 75 V · 100 nA @ 50 V
Voltage - forward (Vf) (Max) @ if
1 V @ 200 mA · 1 V @ 250 mA

Variant comparison

ParameterBAT41KFILMBAT41ZFILMBAT46ZFILM
Capacitance @ vr, f10pF @ 1V, 1MHz10pF @ 1V, 1MHz10pF @ 0V, 1MHz
CaseSC-79, SOD-523SOD-123SOD-123
Current - average rectified200mA200mA150mA
Current - reverse leakage @ vr100 nA @ 50 V100 nA @ 50 V5 µA @ 75 V
Voltage - forward (Vf) (Max) @ if1 V @ 200 mA1 V @ 200 mA1 V @ 250 mA

Shared specifications

Mounting type
Surface Mount
Operating temperature - junction
150°C (Max)
Package
Tape & Reel (TR); Cut Tape (CT)
Speed
Small Signal =< 200mA (Io), Any Speed
Voltage - DC reverse (Vr)
100 V

Request a quote on any STMicroelectronics BAT4 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 STMicroelectronics STMicroelectronics BAT4 Series variants differ?
STMicroelectronics BAT4 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 STMicroelectronics STMicroelectronics BAT4 Series part numbers are listed?
6 STMicroelectronics STMicroelectronics BAT4 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for STMicroelectronics STMicroelectronics BAT4 Series?
Request a quote (RFQ) for any STMicroelectronics BAT4 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants