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STMicroelectronics STPS3L40SY Rectifier Diodes

Automotive 40 V, 3 A Low Drop Power Schottky Rectifier

5,000 ActiveSTMicroelectronicsSTPS3L40DO-214AB, SMC$0.77
STPS3L40SY DO-214AB, SMC package illustration

Same model may have multiple batches, images only for reference.

STPS3L40SY
Manufacturer
Part Number (MPN)
STPS3L40SY
Base Model
Detailed Description
Automotive 40 V, 3 A Low Drop Power Schottky Rectifier
Package
DO-214AB, SMC
Lifecycle Status
Active
Datasheet
PDF STPS3L40SY Datasheet
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Ordering Code Family

STPS3L40 groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

3 ordering variants listed on the family page.

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Technical Specifications

STMicroelectronics STPS3L40SY Rectifier Diodes technical specifications.

General

Series
Q
Package / Case
DO-214AB, SMC
Mounting Type
Surface Mount
Lifecycle Status
Active
Speed
Fast Recovery =< 500ns, > 200mA (Io)
Current Reverse Leakage Vr
100 µA @ 40 V
Grade
Automotive
Technology
Schottky
Voltage Dc Reverse Vr Max
40 V
Operating Temperature Junction
-40°C ~ 150°C

Related Parts Comparison (STPS3L40SY vs STPS3L40UF vs STPS3L40S vs STPS4S200S)

Side-by-side specifications of related catalog parts.

Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.

This PartRelated PartRelated PartRelated Part
Package / CaseDO-214AB, SMCDO-221AA, SMB Flat LeadsDO-214AB, SMCDO-214AB, SMC
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Lifecycle StatusActiveActiveActiveActive
Current Average Rectified IO3A3A3A4A
Current Reverse Leakage Vr100 µA @ 40 V100 µA @ 40 V100 µA @ 40 V5 µA @ 200 V
Operating Temperature Junction-40°C ~ 150°C150°C (Max)150°C (Max)175°C (Max)
SpeedFast Recovery =< 500ns, > 200mA (Io)Fast Recovery =< 500ns, > 200mA (Io)Fast Recovery =< 500ns, > 200mA (Io)Fast Recovery =< 500ns, > 200mA (Io)
TechnologySchottkySchottkySchottkySchottky
Voltage Dc Reverse Vr Max40 V40 V40 V200 V
Voltage Forward Vf Max If500 mV @ 3 A500 mV @ 3 A500 mV @ 3 A870 mV @ 4 A
GradeAutomotiveIndustrialIndustrial--
Action

Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

SBRS8340T3GSBRS8340T3Gonsemi
Directonsemi
Pin YesPkg YesElec Yes
Schottky Power Rectifier, Surface Mount, 3.0 A, 40 V, SMC, 2500-REEL

More Parts in Rectifier Diodes

Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.