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STMicroelectronics STPS2L40UF — Discrete Semiconductors

STPS2L40UF Schottky Diode, 40V 2A, 430mV Vf, SMBflat

MPNSTPS2L40UF
Active

STMicroelectronics STPS2L40UF Schottky diode, 40 V reverse, 2 A average rectified, 430 mV forward drop at 2 A, DO-221AA SMB Flat Leads package, surface mount.

$0.8900Ref. price · indicative, final on quote
PackagingDO-221AA, SMB Flat Leads
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

STPS2L40UF specifications
ParameterValue
MountingSurface Mount
Voltage - DC reverse (Vr)40 V
Voltage - forward (Vf) (Max) @ if430 mV @ 2 A
Current - reverse leakage @ vr220 µA @ 40 V
Current - average rectified2A
Operating temperature - junction150°C (Max)
SpeedFast Recovery =< 500ns, > 200mA (Io)
PackageTape & Reel (TR) Cut Tape (CT)
TechnologySchottky
CaseDO-221AA, SMB Flat Leads

Product details

Low Vf Schottky for 2 A rail rectification

The STPS2L40UF is a 40 V, 2 A Schottky barrier rectifier from STMicroelectronics in the low-profile SMBflat package. Its forward voltage of 430 mV at the full 2 A rating keeps conduction loss low in output rectification and freewheeling stages.

At 2 A forward current the typical Vf is 430 mV. Reverse leakage at 40 V is 220 µA.

Package and footprint — SMBflat land pattern

The SMBflat package is a surface-mount body with flat leads that sit flush with the PCB pad. The land pattern differs from a standard SMB.

Frequently asked questions

Where can I buy STPS2L40UF in stock?

Sourcing buyers need to find immediate availability to fill BOM lines quickly.

What is the datasheet for STPS2L40UF including pinout?

Design engineers need to validate fit and electrical characteristics.

What is the price of STPS2L40UF?

Buyers need cost data for budgeting and purchasing decisions.

Is STPS2L40UF equivalent to any other Schottky diode?

Engineers and buyers look for cross references or alternatives for availability or cost.

What is the STPS2L40UF forward voltage drop?

Critical parameter for power dissipation and efficiency in circuit design.

What is the lead time for STPS2L40UF?

Important for production planning and avoiding delays.