1SMA40CAT3GAlternatives & Equivalent Parts
About 1SMA40CAT3G
1SMA40CAT3G is a Diode component manufactured by ON Semiconductor. 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 | 1SMA40CAT3GSource | SLF10145T-221MR65-PF | SS16FA |
|---|---|---|---|
| Manufacturer | ON Semiconductor | TDK | ON Semiconductor |
| Package Type | Diodes Moulded | Other | Small Outline Diode Flat Lead |
| Pin Count | 2 | 2 | 2 |
| Temperature Range | -65.0°C ~ 150.0°C | -40.0°C ~ 105.0°C | -55.0°C ~ 150.0°C |
| Price | $0.3000 | $0.2018 | $0.0631 |
| Stock | In Stock | In Stock | In Stock |
| Lifecycle | TRANSFERRED | OBSOLETE | ACTIVE |
| Electrical Parameters | |||
| Pbfree Code | Yes | Yes | Yes |
| Manufacturer Package Code | 403D-02 | — | 425AB |
| Additional Feature | LOW ZENER IMPEDANCE, EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY | — | LOW POWER LOSS |
| Breakdown Voltage-Max | 49.07 V | — | — |
| Breakdown Voltage-Min | 44.4 V | — | 60 V |
| Breakdown Voltage-Nom | 46.7 V | — | — |
| Clamping Voltage-Max | 64.5 V | — | — |
| Configuration | SINGLE | — | SINGLE |
| Diode Element Material | SILICON | — | SILICON |
| Diode Type | TRANS VOLTAGE SUPPRESSOR DIODE | — | RECTIFIER DIODE |
| JESD-30 Code | R-PDSO-C2 | — | R-PDSO-F2 |
| JESD-609 Code | e3 | — | e3 |
| Non-rep Peak Rev Power Dis-Max | 400 W | — | — |
| Number of Elements | 1 | — | 1 |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | — | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMT | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | — | 260 |
| Polarity | BIDIRECTIONAL | — | — |
| Power Dissipation-Max | 0.5 W | — | — |
| Qualification Status | Not Qualified | — | — |
| Rep Pk Reverse Voltage-Max | 40 V | — | 60 V |
| Surface Mount | YES | YES | YES |
| Technology | ZENER | — | SCHOTTKY |
| Terminal Finish | TIN | — | Matte Tin (Sn) - annealed |
| Terminal Form | C BEND | — | FLAT |
| Terminal Position | DUAL | — | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | 30 |
| Factory Lead Time | — | 30 Weeks | 13 Weeks |
| YTEOL | — | 0 | 6.07 |
| Case/Size Code | — | 4040 | — |
| Construction | — | Rectangular | — |
| Core Material | — | FERRITE | — |
| DC Resistance | — | 0.47 Ω | — |
| Inductance-Nom (L) | — | 220 µH | — |
| Inductor Application | — | POWER INDUCTOR | — |
| Inductor Type | — | GENERAL PURPOSE INDUCTOR | — |
| Number of Functions | — | 1 | — |
| Package Height | — | 4.5 mm | — |
| Package Length | — | 10.1 mm | — |
| Package Width | — | 10.1 mm | — |
| Packing Method | — | TR, Embossed Plastic, 13 Inch | — |
| Rated Current-Max | — | 0.7 A | — |
| Shape/Size Description | — | RECTANGULAR PACKAGE | — |
| Shielded | — | YES | — |
| Special Feature | — | DCR IS MEASURED AT 20 % TOLERANCE | — |
| Terminal Placement | — | DUAL ENDED | — |
| Terminal Shape | — | WRAPAROUND | — |
| Test Frequency | — | 0.001 MHz | — |
| Tolerance | — | 20% | — |
| Application | — | — | EFFICIENCY |
| Forward Voltage-Max (VF) | — | — | 0.7 V |
| Non-rep Pk Forward Current-Max | — | — | 30 A |
| Number of Phases | — | — | 1 |
| Output Current-Max | — | — | 1 A |
| Reference Standard | — | — | AEC-Q101 |
| Reverse Current-Max | — | — | 50 µA |
| Reverse Recovery Time-Max | — | — | 0.0056 µs |
| Reverse Test Voltage | — | — | 60 V |
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 2 alternatives for 1SMA40CAT3G — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for 1SMA40CAT3G 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 1SMA40CAT3G 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 1SMA40CAT3G?
Known equivalents for 1SMA40CAT3G include SLF10145T-221MR65-PF, SS16FA. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 1SMA40CAT3G?
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 1SMA40CAT3G 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.