STMicroelectronics, Inc. TVS Diodes SMA4F12AY

19.9V Clamp 20.1A Ipp Tvs Diode Surface Mount SMAflat

Win Source Part Number: 1298551-SMA4F12AY
Category: Circuit Protection>TVS - Diodes
Series: Automotive, AEC-Q101, SMA4F
Type: Zener
Package: Tape & Reel
Applications: Automotive
Standard Package: 10,000
Mounting: SMD (SMT)
Unidirectional Channels: 1
Voltage - Reverse Standoff (Typ): 12V
Voltage - Breakdown (Min): 13.3V
Voltage - Clamping (Max) @ Ipp: 19.9V
Power - Peak Pulse: 400W
Power Line Protection: No
Current - Peak Pulse (10/1000µs): 20.1A
Package / Case: DO-221AC, SMA Flat Leads
Supplier Device Package: SMAflat
Temperature Range - Operating: -55°C ~ 175°C (TJ)
ECCN: EAR99
Fake Threat In the Open Market: 77 pct.
MSL Level: 1 (Unlimited)
REACH Status: REACH Unaffected
HTSUS: 8541.10.0080
Mfr: STMicroelectronics
Other Names: -1138-SMA4F12AYTR,497-18418-2,497-18418-1,497-18418-6,-1138-SMA4F12AYDKR,-1138-SMA4F12AYCT
Base Product Number: SMA4F12

Automotive 400 W, 12 V TVS in SMA Flat Product overview: SMA4F12AY from STMicroelectronics is a TVS Protection Diode for ESD protection, surge suppression, transient voltage clamping, communication ports, and industrial electronics. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include Automotive, TVS, 400 W, 12 V. Search-friendly keywords include TVS diode, ESD protection, surge suppression, transient voltage, Automotive, TVS, 400 W, 12 V, TVS Protection Diode, TVS Diodes. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 144-SMA4F12AY can be used for catalog matching and distributor lookup.