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STMICROELECTRONICS STPS3L40UF Schottky Rectifier

The STPS3L40UF is a high-efficiency Schottky rectifier designed for switched mode power supplies and high-frequency DC to DC converters. Packaged in SMBflat, this device features a maximum reverse voltage of 40V, forward voltage drop around 0.52-0.58 V at 5-6A, and an operating junction temperature of 150°C. It offers low switching losses, low thermal resistance, and avalanche capability, making it ideal for power management in compact, high-performance electronic systems.

Authorized Distributors
Source:Newark
Part No:STPS3L40UF
Stock:12240
Inv Date:06-12-2026
Price: Unit price: $0.443
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Source:DigiKey
Part No:STPS3L40UF
Stock:5000
Inv Date:06-12-2026
Price: Unit price: $0.12381
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Part No:STPS3L40UF
Stock:7497
Inv Date:06-12-2026
Price: Unit price: $0.59
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Part No:STPS3L40UF
Stock:0
Inv Date:06-12-2026
Price: Unit price: $0.84
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Part No:STPS3L40UF
Stock:20000
Inv Date:06-11-2026
Price: Unit price: $0.0702
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Source:Arrow EU
Part No:STPS3L40UF
Stock:165000
Inv Date:06-12-2026
Price: N/A
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STMICROELECTRONICS STPS3L40UF Schottky Rectifier Specifications:

  • Repetitive peak reverse voltage: 40 V
  • Average forward current: 3A (at 120°C)
  • Surge non-repetitive forward current: 75A (tp=10ms)
  • Maximum junction temperature: 150°C
  • Storage temperature range: -65°C to +175°C
  • Thermal resistance junction to lead: 18°C/W (SMC), 10°C/W (SMBflat)
  • Forward voltage drop: 0.62 V at 6A (typical), 0.58 V max (at 125°C)
  • Reverse leakage current: 0.5 mA at 25°C, 40 mA at 125°C
  • Package options: SMC, SMBflat
  • Material: Epoxy meets UL94 V0, Lead-free, environmentally compliant

Buy the STMicroelectronics STPS3L40UF – Reliable Schottky Rectifier for Industrial Applications

Secure your STPS3L40UF Schottky rectifier today through our online store to improve your power supply efficiency. This high-performance component, with a 40V maximum reverse voltage and low forward voltage drop, is perfect for high-frequency DC to DC converters. Packaged in SMBflat and SMC formats, it ensures low thermal resistance, robust avalanche capability, and reliable operation up to 150°C junction temperature. Buying online guarantees quick delivery and authentic, high-quality power management solutions for your electronic applications.

Order your STMicroelectronics Series STPS3L40UF high-efficiency Schottky rectifier today and enhance power management in your industrial projects with dependable performance.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS STPS3L40UF?

You can click on the BUY or RFQ button to purchase STPS3L40UF from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part STPS3L40UF?

You can download the STPS3L40UF datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of STPS3L40UF?

STMICROELECTRONICS

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