Datasheets
STPS1L40AFN by: STMicroelectronics

40 V, 1 A Low Drop Power Schottky Rectifier

Part Details for STPS1L40AFN by STMicroelectronics

Results Overview of STPS1L40AFN by STMicroelectronics

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STPS1L40AFN Information

STPS1L40AFN by STMicroelectronics is a Rectifier Diode.
Rectifier Diodes are under the broader part category of Diodes.

A diode is a electrical part that can control the direction in which the current flows in a device. Consider factors like voltage drop, current capacity, reverse voltage, and operating frequency when selecting a diode. Read more about Diodes on our Diodes part category page.

Price & Stock for STPS1L40AFN

Part # Distributor Description Stock Price Buy
STMicroelectronics 40 V, 1 A Low Drop Power Schottky RoHS: Compliant Min Qty: 1 0
  • 1 $0.4200
  • 10 $0.3700
  • 100 $0.2300
$0.2300 / $0.4200 Buy Now
DISTI # STPS1L40AFN
Avnet Silica Schottky Rectifier Diode Power 40V 1A 2Pin DO214AC TR (Alt: STPS1L40AFN) RoHS: Compliant Min Qty: 10000 Package Multiple: 10000 Lead time: 143 Weeks, 0 Days Silica - 0
Buy Now
DISTI # STPS1L40AFN
EBV Elektronik Schottky Rectifier Diode Power 40V 1A 2Pin DO214AC TR (Alt: STPS1L40AFN) RoHS: Compliant Min Qty: 10000 Package Multiple: 10000 Lead time: 143 Weeks, 0 Days EBV - 0
Buy Now
Vyrian Diodes 1640
RFQ

Part Details for STPS1L40AFN

STPS1L40AFN CAD Models

STPS1L40AFN Part Data Attributes

STPS1L40AFN STMicroelectronics
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STPS1L40AFN STMicroelectronics 40 V, 1 A Low Drop Power Schottky Rectifier
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer STMICROELECTRONICS
Package Description SMA, 2 PIN
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8541.10.00.80
Samacsys Manufacturer STMicroelectronics
Additional Feature FREE WHEELING DIODE
Application POWER
Configuration SINGLE
Diode Element Material SILICON
Diode Type RECTIFIER DIODE
Forward Voltage-Max (VF) 0.63 V
JESD-30 Code R-PDSO-F2
Non-rep Pk Forward Current-Max 60 A
Number of Elements 1
Number of Phases 1
Number of Terminals 2
Operating Temperature-Max 175 °C
Output Current-Max 1 A
Package Body Material PLASTIC/EPOXY
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) NOT SPECIFIED
Rep Pk Reverse Voltage-Max 40 V
Reverse Current-Max 35 µA
Reverse Test Voltage 40 V
Surface Mount YES
Technology SCHOTTKY
Terminal Form FLAT
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED

Alternate Parts for STPS1L40AFN

This table gives cross-reference parts and alternative options found for STPS1L40AFN. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of STPS1L40AFN, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
FS1G-TP-HF Micro Commercial Components Check for Price Rectifier Diode, 1 Element, 1A, 400V V(RRM), Silicon, DO-214AC, HSMA, 2 PIN STPS1L40AFN vs FS1G-TP-HF
FS1G-LTP Micro Commercial Components Check for Price 1A, 400V, SILICON, SIGNAL DIODE, DO-214AC, ROHS COMPLIANT, PLASTIC, SMA, 2 PIN STPS1L40AFN vs FS1G-LTP
U1BC44 Toshiba America Electronic Components Check for Price DIODE 0.9 A, 100 V, SILICON, SIGNAL DIODE, PLASTIC, 3-4D1A, 2 PIN, Signal Diode STPS1L40AFN vs U1BC44
DSM1MA4 Renesas Electronics Corporation Check for Price 1A, 400V, SILICON, SIGNAL DIODE STPS1L40AFN vs DSM1MA4

STPS1L40AFN Frequently Asked Questions (FAQ)

  • A good PCB layout for optimal thermal performance involves placing the device near a thermal pad or a heat sink, and ensuring good thermal conductivity between the device and the heat sink. A 2-layer or 4-layer PCB with a solid ground plane is recommended. The device's thermal pad should be connected to the ground plane to improve heat dissipation.

  • To ensure the device is properly biased, make sure to connect the input voltage (VIN) to a stable DC power supply, and decouple the input with a capacitor (e.g., 10uF) to reduce noise. Also, ensure the output voltage (VOUT) is properly filtered with a capacitor (e.g., 10uF) to reduce ripple.

  • The recommended input capacitor value is 10uF to 22uF, with a voltage rating of 25V or higher. A low-ESR ceramic capacitor (e.g., X5R or X7R) is recommended to minimize power losses and ensure stable operation.

  • To protect the device from overcurrent and overheating, implement overcurrent protection (OCP) and overtemperature protection (OTP) mechanisms. OCP can be achieved using a current sense resistor and a comparator, while OTP can be achieved using a thermistor or a thermal sensor.

  • The recommended output capacitor value is 10uF to 22uF, with a voltage rating of 6.3V or higher. A low-ESR ceramic capacitor (e.g., X5R or X7R) is recommended to minimize power losses and ensure stable operation.

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