STMicroelectronics BAT3 Series

4 variants · STMicroelectronics

About the STMicroelectronics BAT3 Series

The STMicroelectronics BAT3 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 diode type of Schottky, mounting of Surface Mount and package of Tape & Reel (TR); Cut Tape (CT). Variants differ by case, current - reverse leakage @ vr and operating temperature - junction, so you can match the exact case your application requires using the selection guide below. All listed STMicroelectronics BAT3 Series part numbers are active and orderable.

Select a variant by

Case: 0201 (0603 Metric) · SC-70, SOT-323 · SC-79, SOD-523
Current - reverse leakage @ vr: 5 µA @ 30 V · 50 µA @ 30 V
Operating temperature - junction: -30°C ~ 85°C · 150°C (Max)
Voltage - forward (Vf) (Max) @ if: 310 mV @ 10 mA · 530 mV @ 300 mA
Diode configuration: 1 Pair Common Cathode · 1 Pair Series Connection

Shared specifications

Diode type: Schottky
Mounting: Surface Mount
Package: Tape & Reel (TR); Cut Tape (CT)
Speed: Fast Recovery =< 500ns, > 200mA (Io)
Voltage - DC reverse (Vr): 30 V

Variant comparison

Parameter	BAT30CWFILM	BAT30F4	BAT30KFILM	BAT30SWFILM
Case	SC-70, SOT-323	0201 (0603 Metric)	SC-79, SOD-523	SC-70, SOT-323
Current - reverse leakage @ vr	5 µA @ 30 V	50 µA @ 30 V	5 µA @ 30 V	5 µA @ 30 V
Operating temperature - junction	150°C (Max)	-30°C ~ 85°C	150°C (Max)	150°C (Max)
Voltage - forward (Vf) (Max) @ if	530 mV @ 300 mA	310 mV @ 10 mA	530 mV @ 300 mA	530 mV @ 300 mA
Diode configuration	1 Pair Common Cathode	—	—	1 Pair Series Connection

Request a quote on any STMicroelectronics BAT3 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.