Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image1 of 2

Exact MPN16 sourced attributes1 source document

Littelfuse Inc. · exact orderable part

1KSMB33A

Name: 1KSMB33A
Brand: Littelfuse Inc.

TVS DIODE 28.2VWM 45.7VC DO214AA

Original manufacturerCommercial terms confirmed per lot

ManufacturerLittelfuse Inc.

Package / caseDO-214AA, SMB

Mounting typeSurface Mount

PackingTape & Reel (TR) Cut Tape (CT) Digi-Reel®

Technical parameters

Technical specifications

16 normalized values · 1 validated source

1KSMB33A technical parameters
Parameter	Value
Applications	General Purpose [1]
Base Product Number	1KSMB [1]
Mfr	Littelfuse Inc. [1]
Mounting Type	Surface Mount [1]
Current - Peak Pulse (10/1000µs)	21.9A [1]
Operating Temperature	-55°C ~ 150°C (TJ) [1]
Power Line Protection	No [1]
Product Status	Active [1]
Series	1KSMB [1]
Power - Peak Pulse	1000W (1kW) [1]
Type	Zener [1]
Voltage - Clamping (Max) @ Ipp	45.7V [1]
Voltage - Reverse Standoff (Typ)	28.2V [1]
Unidirectional Channels	1 [1]
Package / Case	DO-214AA, SMB [1]
Voltage - Breakdown (Min)	31.4V [1]

Catalog relationships

This page describes one orderable part. A family page helps select suffixes but never carries assumed stock or a price.

Related exact parts

Browse exact MPNs and compare their specifications. These links do not imply compatibility or interchangeability.