STPS3L40SAlternatives & Equivalent Parts
About STPS3L40S
STPS3L40S is a Schottky Diode component manufactured by STMicroelectronics. It comes in a Diodes Moulded package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | STPS3L40SSource | L4971 | L4971D | 0603ZC332KAT2A | STPS3L40SY | STPS3L40UF | STPS3L40UFN |
|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | AVX | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Diodes Moulded | Dual-In-Line Packages | Small Outline Packages | Capacitor Chip Non-polarised | Other | Small Outline Diode Flat Lead | Small Outline Diode Flat Lead |
| Pin Count | 2 | 8 | 16 | 2 | 2 | 2 | 2 |
| Temperature Range | ~ 150.0°C | -40.0°C ~ 150.0°C | -40.0°C ~ 150.0°C | -55.0°C ~ 125.0°C | -40.0°C ~ 150.0°C | ~ 150.0°C | ~ 150.0°C |
| Price | $0.0846 | $1.0405 | $2.3291 | $0.0400 | $0.1310 | $0.0662 | $0.0988 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | OBSOLETE |
| Electrical Parameters | |||||||
| Factory Lead Time | 15 Weeks | 16 Weeks | — | 12 Weeks | 15 Weeks | 15 Weeks | — |
| YTEOL | 4 | 6 | 7.1 | 6 | 6.12 | 4 | 0 |
| Additional Feature | LOW FORWARD VOLTAGE | — | — | — | LOW FORWARD VOLTAGE | — | — |
| Application | POWER | — | — | — | POWER | POWER | POWER |
| Configuration | SINGLE | — | — | — | SINGLE | SINGLE | SINGLE |
| Diode Element Material | SILICON | — | — | — | SILICON | SILICON | SILICON |
| Diode Type | RECTIFIER DIODE | — | — | — | RECTIFIER DIODE | RECTIFIER DIODE | RECTIFIER DIODE |
| Forward Voltage-Max (VF) | 0.62 V | — | — | — | 0.62 V | 0.62 V | 0.62 V |
| JEDEC-95 Code | DO-214AB | — | — | — | — | — | — |
| JESD-30 Code | R-PDSO-C2 | R-PDIP-T8 | R-PDSO-G16 | — | R-PDSO-C2 | R-PDSO-F2 | R-PDSO-F2 |
| JESD-609 Code | e3 | e3 | e4 | e3 | e3 | e3 | e3 |
| Non-rep Pk Forward Current-Max | 75 A | — | — | — | 75 A | 75 A | 75 A |
| Number of Elements | 1 | — | — | — | 1 | 1 | 1 |
| Number of Phases | 1 | — | — | — | 1 | 1 | 1 |
| Output Current-Max | 3 A | 3 A | 3 A | — | 3 A | 3 A | 3 A |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR PACKAGE | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | IN-LINE | SMALL OUTLINE | SMT | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | — | 250 | — | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — | — | Not Qualified | — |
| Rep Pk Reverse Voltage-Max | 40 V | — | — | — | 40 V | 40 V | 40 V |
| Reverse Current-Max | 100 µA | — | — | — | 100 µA | 100 µA | 100 µA |
| Reverse Test Voltage | 40 V | — | — | — | 40 V | 40 V | 40 V |
| Surface Mount | YES | NO | YES | YES | YES | YES | YES |
| Technology | SCHOTTKY | BCDMOS | BCDMOS | — | SCHOTTKY | SCHOTTKY | SCHOTTKY |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) - annealed | Nickel/Palladium/Gold (Ni/Pd/Au) | MATTE TIN OVER NICKEL | Matte Tin (Sn) | Matte Tin (Sn) | MATTE TIN |
| Terminal Form | C BEND | THROUGH-HOLE | GULL WING | — | C BEND | FLAT | FLAT |
| Terminal Position | DUAL | DUAL | DUAL | — | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 10 | — | NOT SPECIFIED | — | 30 | — | — |
| Analog IC - Other Type | — | SWITCHING REGULATOR | SWITCHING REGULATOR | — | — | — | — |
| Control Mode | — | VOLTAGE-MODE | VOLTAGE-MODE | — | — | — | — |
| Control Technique | — | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | — | — | — | — |
| Input Voltage-Max | — | 55 V | 55 V | — | — | — | — |
| Input Voltage-Min | — | 8 V | 8 V | — | — | — | — |
| Input Voltage-Nom | — | 24 V | 24 V | — | — | — | — |
| Number of Functions | — | 1 | 1 | — | — | — | — |
| Output Voltage-Max | — | 50 V | 50 V | — | — | — | — |
| Output Voltage-Min | — | 3.3 V | 3.3 V | — | — | — | — |
| Output Voltage-Nom | — | 3.3 V | 3.3 V | — | — | — | — |
| Package Equivalence Code | — | DIP8,.3 | SOP16,.4 | — | — | — | — |
| Supply Current-Max (Isup) | — | 6 mA | 6 mA | — | — | — | — |
| Switcher Configuration | — | BUCK | BUCK | — | — | — | — |
| Switching Frequency-Max | — | 300 kHz | 300 kHz | — | — | — | — |
| Terminal Pitch | — | 2.54 mm | 1.27 mm | — | — | — | — |
| ## L4971D Alternates Showing results | — | — | Image | — | — | — | — |
| Pbfree Code | — | — | — | Yes | — | — | — |
| Reach Compliance Code | — | — | — | Compliant | — | — | — |
| Capacitance | — | — | — | 0.0033 µF | — | — | — |
| Capacitor Type | — | — | — | CERAMIC CAPACITOR | — | — | — |
| Dielectric Material | — | — | — | CERAMIC | — | — | — |
| Height | — | — | — | 0.9 mm | — | — | — |
| Mounting Feature | — | — | — | SURFACE MOUNT | — | — | — |
| Multilayer | — | — | — | Yes | — | — | — |
| Negative Tolerance | — | — | — | 10% | — | — | — |
| Packing Method | — | — | — | TR, PAPER, 7 INCH | — | — | — |
| Positive Tolerance | — | — | — | 10% | — | — | — |
| Rated (DC) Voltage (URdc) | — | — | — | 10 V | — | — | — |
| Size Code | — | — | — | 0603 | — | — | — |
| Temperature Characteristics Code | — | — | — | X7R | — | — | — |
| Temperature Coefficient | — | — | — | 15% ppm/°C | — | — | — |
| Terminal Shape | — | — | — | WRAPAROUND | — | — | — |
| Reference Standard | — | — | — | — | AEC-Q101 | — | — |
| Date Of Intro | — | — | — | — | — | — | 2020-01-31 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 6 alternatives for STPS3L40S — response within 24 hours.
Quick Links
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Why Look for Alternatives?
Finding alternatives for STPS3L40S is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating STPS3L40S replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to STPS3L40S?
Known equivalents for STPS3L40S include L4971, L4971D, 0603ZC332KAT2A. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STPS3L40S?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify STPS3L40S alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.