SM4T21CAY

TVS Diode, Transil SM4TY, Bidirectional, 18 V, 39.3 V, DO-214AC (SMA), 2 Pins

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Manufacturer: STMICROELECTRONICS
Product type: TVS Diodes
Product Range:Transil SM4TY Series; TVS Polarity:Bidirectional; Reverse Stand-Off Voltage Vrwm:18V; Clamping Voltage Vc Max:39.3V; Diode Case Style:DO-214AC; No. of Pins:2Pins; Breakdown V
SVHC: No SVHC (25-Jun-2025)
No. of Pins: 2Pins
TVS Polarity: Bidirectional
Product Range: Transil SM4TY
Qualification: AEC-Q101
Diode Mounting: Surface Mount
Diode Case Style: DO-214AC (SMA)
Clamping Voltage Max: 39.3V
Reverse Standoff Voltage: 18V
Maximum Breakdown Voltage: 22.2V
Minimum Breakdown Voltage: 20V
Operating Temperature Max: 150°C
Peak Pulse Power Dissipation: 400W

Delivery and price
Units per pack	5000
Price	0.197 €
Current stock	1234
Lead time	7 days

Datasheet

Updated at February 27, 2026