STPS1L40AY STPS1L40AY is a Schottky rectifier diode rated for 40V reverse voltage and 1A forward current. It features a low forward voltage drop of 500mV at 1A and is surface-mount in SMA (DO-214AC) package.
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STPS1L40AY

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
STPS1L40AY is a Schottky rectifier diode rated for 40V reverse voltage and 1A forward current. It features a low forward voltage drop of 500mV at 1A and is surface-mount in SMA (DO-214AC) package.
Total Stock: 25,000 pcs
$ Price Range: $0.08 - $0.50

STPS1L40AY Available from 1 distributor

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STPS1L40AY Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Automotive Grade
Current
Mounting Type
Operating Temperature
Speed
Supplier Device Package
Tape & Reel
Technology
Voltage
Voltage - DC Reverse (Vr) (Max)

STPS1L40AY Description

Short technical summary and product information.

The STPS1L40AY is a Schottky barrier rectifier diode designed for low-voltage, high-frequency rectification applications. It is rated for a maximum reverse voltage of 40V and an average forward current of 1A. The forward voltage drop is typically 500mV at 1A forward current, which contributes to higher efficiency in power conversion circuits. The device is specified for fast recovery switching (≤500ns at >200mA), though this is atypical for a Schottky diode and should be verified with the datasheet. The operating junction temperature range is -40°C to 150°C. The diode is supplied in a surface-mount SMA (DO-214AC) package, suitable for automated assembly. It is RoHS3 compliant (unverified) and REACH unaffected.

STPS1L40AY Quick Information

Product Type: Schottky Rectifier
Canonical Name: STPS1L40AY Schottky Rectifier
Subcategory: Single Rectifier Diodes

STPS1L40AY Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

STPS1L40AY Estimated Pricing

Qty Low High
1+ $0.50 $0.50
10+ $0.31 $0.31
100+ $0.19 $0.19
500+ $0.15 $0.15
1,000+ $0.12 $0.12
5,000+ $0.10 $0.10
10,000+ $0.10 $0.10
25,000+ $0.08 $0.08

Estimated market price range - modelled values for guidance only, not live distributor offers.

STPS1L40AY Features

  • Schottky diode with 40V reverse voltage.
  • 1A average forward current rating.
  • Low forward voltage drop of 500mV.
  • Surface-mount SMA package.
  • Fast recovery switching (≤500ns).

STPS1L40AY Applications

  • Ideal for low-voltage rectification circuits.
  • Used in power supply output stages.
  • Suitable for high-frequency switching applications.
  • Applicable in polarity protection circuits.

STPS1L40AY FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum reverse voltage of the STPS1L40AY?

40V.

What is the average forward current rating?

1A.

What is the forward voltage drop at 1A?

500mV maximum.

What is the reverse recovery time?

≤500ns at >200mA Io.

What package is the STPS1L40AY available in?

DO-214AC (SMA) surface-mount package.

What is the operating junction temperature range?

-40°C to 150°C.

Is the STPS1L40AY RoHS compliant?

RoHS3 compliant (unverified).

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