Taiwan Semiconductor Corporation 1SMB Series

3 variants · Taiwan Semiconductor Corporation

About the Taiwan Semiconductor Corporation 1SMB Series

The Taiwan Semiconductor Corporation 1SMB Series series groups 3 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-214AA, SMB, mounting of Surface Mount and operating temperature of -55°C ~ 150°C (TJ). Variants differ by current - reverse leakage @ vr, impedance (Max) and package, so you can match the exact current - reverse leakage @ vr your application requires using the selection guide below. All listed Taiwan Semiconductor Corporation 1SMB Series part numbers are active and orderable.

Select a variant by

Current - reverse leakage @ vr: 1 µA @ 9.9 V · 1 µA @ 11.4 V · 1 µA @ 13.7 V
Impedance (Max): 7 Ohms · 9 Ohms · 12 Ohms
Package: Tape & Reel (TR) · Tape & Reel (TR); Cut Tape (CT)
Voltage - zener (Nom): 13 V · 15 V · 18 V

Shared specifications

Case: DO-214AA, SMB
Mounting: Surface Mount
Operating temperature: -55°C ~ 150°C (TJ)
Power - max: 3 W
Tolerance: ±5%

Variant comparison

Parameter	1SMB5928	1SMB5929	1SMB5931H
Current - reverse leakage @ vr	1 µA @ 9.9 V	1 µA @ 11.4 V	1 µA @ 13.7 V
Impedance (Max)	7 Ohms	9 Ohms	12 Ohms
Package	Tape & Reel (TR)	Tape & Reel (TR); Cut Tape (CT)	Tape & Reel (TR); Cut Tape (CT)
Voltage - zener (Nom)	13 V	15 V	18 V

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