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40 V, 1 A Low Drop Power Schottky Rectifier
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
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.
Part # | Distributor | Description | Stock | Price | Buy | |
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STMicroelectronics | 40 V, 1 A Low Drop Power Schottky RoHS: Compliant Min Qty: 1 | 0 |
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$0.2300 / $0.4200 | Buy Now |
DISTI #
STPS1L40AFN
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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 |
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Buy Now | |
DISTI #
STPS1L40AFN
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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 |
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Buy Now | |
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Vyrian | Diodes | 1640 |
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RFQ |
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STPS1L40AFN
STMicroelectronics
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Datasheet
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STPS1L40AFN
STMicroelectronics
40 V, 1 A Low Drop Power Schottky Rectifier
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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 |
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 |
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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 |
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.