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STMicroelectronics STPS2170AFN — Discrete Semiconductors

STPS2170AFN Schottky Rectifier, 170V 2A, SMAflat Notch

MPNSTPS2170AFN
Obsolete

STMicroelectronics STPS2170AFN Schottky rectifier, 170 V DC reverse, 2 A average rectified, 820 mV forward drop @ 2 A, fast recovery ≤500 ns, surface-mount DO-221AC SMA Flat Leads, SMAflat Notch package.

$0.9400Ref. price · indicative, final on quote
STMicroelectronics STPS2170AFN datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

STPS2170AFN specifications
ParameterValue
MountingSurface Mount
Voltage - DC reverse (Vr)170 V
Voltage - forward (Vf) (Max) @ if820 mV @ 2 A
Current - reverse leakage @ vr2.8 µA @ 170 V
Current - average rectified2A
Operating temperature - junction175°C
SpeedFast Recovery =< 500ns, > 200mA (Io)
PackageTape & Reel (TR) Cut Tape (CT)
TechnologySchottky
CaseDO-221AC, SMA Flat Leads

Product details

Schottky rectifier for 170 V rails — what the ratings mean

The STMicroelectronics STPS2170AFN is a Schottky rectifier rated for 170 V DC reverse voltage and 2 A average rectified current, with a maximum forward voltage of 820 mV at 2 A. Its fast recovery speed (≤500 ns) makes it suitable for high-frequency switching in power supplies, DC-DC converters, and freewheeling diodes where reverse-recovery losses matter.

Obsolete — plan your BOM transition

STPS2170AFN carries an Obsolete lifecycle status. For new designs or production continuity, identify a pin-compatible replacement from ST's current Schottky portfolio. The base product number STPS2170 suggests a family of 2 A, 170 V devices; check the STPS2170 series for active variants in the same SMAflat Notch package.

Package and assembly fit

Housed in a DO-221AC SMA Flat Leads package (SMAflat Notch), this is a surface-mount device suited for automated pick-and-place.

Frequently asked questions

Is STPS2170AFN obsolete?

Yes, STPS2170AFN is marked Obsolete. For new designs, look for an active replacement in the STPS2170 family or consult ST's current Schottky rectifier line. Existing BOM lines can be filled through surplus or broker channels.