STMicroelectronicsSwitzerland

SM4T47CAY

ActiveTVS Diodes

TVS DIODE 40VWM 84VC SMA

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Technical parameters

Key specs

Reverse standoff voltage40 V
Breakdown voltage44.4 V
Clamping voltage84 VMax
Peak pulse power400 W
PolarityBidirectional
Power
Bidirectional Channels1
Current - Peak Pulse (10/1000µs)27A (8/20µs)
Power Line ProtectionNo
Power - Peak Pulse400W
Voltage - Breakdown (Min)44.4V
Voltage - Clamping (Max) @ Ipp84V
Voltage - Reverse Standoff (Typ)40V
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 NumberSM4T47
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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