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STMicroelectronics STPS20SM120ST — Discrete Semiconductors

STPS20SM120ST Schottky Diode, 120 V, 20 A, TO-220-3

MPNSTPS20SM120ST
Active

STMicroelectronics STPS20SM120ST, Schottky diode, 120 V reverse, 20 A average rectified, fast recovery ≤500 ns, TO-220-3 through-hole package, ECOPACK®2 series.

$1.1000Ref. price · indicative, final on quote
PackagingTO-220-3
RoHSROHS3 Compliant
SeriesECOPACK®2
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

STPS20SM120ST specifications
ParameterValue
SeriesECOPACK®2
MountingThrough Hole
Voltage - DC reverse (Vr)120 V
Voltage - forward (Vf) (Max) @ if890 mV @ 20 A
Current - reverse leakage @ vr210 µA @ 120 V
Current - average rectified20A
Operating temperature - junction150°C (Max)
SpeedFast Recovery =< 500ns, > 200mA (Io)
PackageTube
TechnologySchottky
CaseTO-220-3

Product details

120 V, 20 A Schottky in TO-220 — what the ratings mean

The STPS20SM120ST is a 120 V, 20 A Schottky rectifier in a TO-220-3 through-hole package, part of ST’s ECOPACK®2 series.

20 A average, 890 mV forward drop — the thermal budget

At 20 A forward current the maximum forward voltage is 890 mV. The junction temperature ceiling is 150 °C. Reverse leakage at 120 V is 210 µA.

Frequently asked questions

What is the datasheet for STPS20SM120ST?

Engineers need electrical characteristics and pinout to validate design.

Where can I buy STPS20SM120ST?

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What is the price of STPS20SM120ST in bulk?

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Is STPS20SM120ST a direct replacement for STPS20L120?

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What is the lead time for STPS20SM120ST?

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Is STPS20SM120ST obsolete?

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