Name: SMM4F20A-TR
Brand: STMicroelectronics
SKU: 497-7906-2-ND
Price: 0.9672 EUR
Availability: InStock

Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

SMM4F20A-TR
DigiKey Part Number	497-7906-2-ND - Tape & Reel (TR) 497-7906-1-ND - Cut Tape (CT) 497-7906-6-ND - Digi-Reel®
Manufacturer	STMicroelectronics
Manufacturer Product Number	SMM4F20A-TR
Description	TVS DIODE 20VWM 42.8VC DO222-AA
Customer Reference
Detailed Description	42.8V Clamp 54A (8/20µs) Ipp Tvs Diode Surface Mount STmite Flat (DO222-AA)
Datasheet	Datasheet
EDA/CAD Models	SMM4F20A-TR Models

Product Attributes

Type	Description	Select All
Category	Circuit Protection Transient Voltage Suppressors (TVS) TVS Diodes
Mfr	STMicroelectronics
Series	SMM4F, TRANSIL™
Packaging	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®
Part Status	Last Time Buy
Type	Zener
Unidirectional Channels	1
Voltage - Reverse Standoff (Typ)	20V
Voltage - Breakdown (Min)	22.8V
Voltage - Clamping (Max) @ Ipp	42.8V
Current - Peak Pulse (10/1000µs)	54A (8/20µs)
Power - Peak Pulse	400W
Power Line Protection	No
Applications	General Purpose
Capacitance @ Frequency	-
Operating Temperature	-55°C ~ 175°C (TJ)
Mounting Type	Surface Mount
Package / Case	DO-222AA
Supplier Device Package	STmite Flat (DO222-AA)
Base Product Number	SMM4F20

Product Questions and Answers

See what engineers are asking, ask your own questions, or help out a member of the DigiKey engineering community

In-Stock: 12.000

Check for Additional Incoming Stock

Last Time Buy Date: 1/2/2026

Quantity

All prices are in EUR

Cut Tape (CT) & Digi-Reel®