STMicroelectronicsSwitzerland

SM4T12AY

ActiveTVS Diodes

TVS DIODE 10VWM 21.7VC SMA

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Technical parameters

Key specs

Reverse standoff voltage10 V
Breakdown voltage11.1 V
Clamping voltage21.7 VMax
Peak pulse power400 W
PolarityUnidirectional
Power
Current - Peak Pulse (10/1000µs)106A (8/20µs)
Power Line ProtectionNo
Power - Peak Pulse400W
Unidirectional Channels1
Voltage - Breakdown (Min)11.1V
Voltage - Clamping (Max) @ Ipp21.7V
Voltage - Reverse Standoff (Typ)10V
AC and DC characteristics
Capacitance @ Frequency-
Environment and package
GradeAutomotive
Mounting TypeSurface Mount
Operating Temperature-55°C ~ 150°C (TJ)
PackageTape & Reel (TR) Cut Tape (CT) Digi-Reel®
Package / CaseDO-214AC, SMA
QualificationAEC-Q101
Supplier Device PackageSMA (DO-214AC)
Other
Applications-
Base Product NumberSM4T12
MfrSTMicroelectronics
Product StatusActive
Series*
TypeZener

Documents

DatasheetDatasheet · 637.5 KB · 2026-09-21Application NoteApplication Note · 8.5 MB · 2026-09-22Application NoteApplication Note · 3.4 MB · 2026-09-22Application NoteApplication Note · 2.4 MB · 2026-09-22MarketingMarketing · 1.6 MB · 2026-09-22MarketingMarketing · 980.9 KB · 2026-09-22Application NoteApplication Note · 953.9 KB · 2026-09-22MarketingMarketing · 847.9 KB · 2026-09-22Application NoteApplication Note · 617.1 KB · 2026-09-22Application NoteApplication Note · 604.4 KB · 2026-09-22Application NoteApplication Note · 416.8 KB · 2026-09-22Application NoteApplication Note · 393.2 KB · 2026-09-22Application NoteApplication Note · 214.3 KB · 2026-09-22Application NoteApplication Note · 211.4 KB · 2026-09-22MarketingMarketing · 158.1 KB · 2026-09-22Application NoteApplication Note · 102.5 KB · 2026-09-22Application NoteApplication Note · 41.4 KB · 2026-09-22Application NoteApplication Note · 25.2 KB · 2026-09-22
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