SMAJ40CAAlternatives & Equivalent Parts
About SMAJ40CA
SMAJ40CA is a TVS Diode (Bi-directional) component manufactured by LITTELFUSE. It comes in a Diodes Moulded Non Polarised 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 | SMAJ40CASource | 744272392 | STTH112UFY | SBR0560S1-7 |
|---|---|---|---|---|
| Manufacturer | LITTELFUSE | Würth Elektronik | STMicroelectronics | Diodes Inc. |
| Package Type | Diodes Moulded Non Polarised | Other | Diodes Moulded | Small Outline Diode |
| Pin Count | 2 | 4 | 2 | 2 |
| Temperature Range | -65.0°C ~ 150.0°C | — | -40.0°C ~ 175.0°C | -65.0°C ~ 150.0°C |
| Price | $0.0373 | $2.1569 | $0.1534 | $0.0504 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | No | — | — | Yes |
| YTEOL | 6 | 15 | 6.26 | 6 |
| Breakdown Voltage-Max | 49.1 V | — | — | — |
| Breakdown Voltage-Min | 44.4 V | — | — | — |
| Breakdown Voltage-Nom | 46.75 V | — | — | — |
| Clamping Voltage-Max | 64.5 V | — | — | — |
| Configuration | SINGLE, 1 CHANNEL | — | SINGLE | SINGLE |
| Diode Element Material | SILICON | — | SILICON | SILICON |
| Diode Type | TRANS VOLTAGE SUPPRESSOR DIODE | — | RECTIFIER DIODE | RECTIFIER DIODE |
| JEDEC-95 Code | DO-214AC | — | — | — |
| JESD-30 Code | R-PDSO-C2 | — | R-PDSO-F2 | R-PDSO-G2 |
| Non-rep Peak Rev Power Dis-Max | 400 W | — | — | — |
| Number of Elements | 1 | — | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | — | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | — | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | — | 260 | 260 |
| Polarity | BIDIRECTIONAL | — | — | — |
| Power Dissipation-Max | 3.3 W | — | — | — |
| Qualification Status | Not Qualified | — | — | Not Qualified |
| Reference Standard | IEC-61000-4-2; UL RECOGNIZED | — | AEC-Q101 | — |
| Rep Pk Reverse Voltage-Max | 40 V | — | 1200 V | 60 V |
| Reverse Current-Max | 1 µA | — | 5 µA | — |
| Reverse Test Voltage | 40 V | — | 1200 V | — |
| Surface Mount | YES | — | YES | YES |
| Technology | AVALANCHE | — | — | — |
| Terminal Finish | Matte Tin (Sn) | TIN SILVER COPPER | Matte Tin (Sn) - annealed | MATTE TIN |
| Terminal Form | C BEND | — | FLAT | GULL WING |
| Terminal Position | DUAL | — | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | 30 | 30 |
| Filter Type | — | TRIPLEXER | — | — |
| Factory Lead Time | — | — | 15 Weeks | 12 Weeks |
| Additional Feature | — | — | FREE WHEELING DIODE | — |
| Application | — | — | ULTRA FAST RECOVERY | GENERAL PURPOSE |
| Forward Voltage-Max (VF) | — | — | 1.9 V | 0.44 V |
| JESD-609 Code | — | — | e3 | e3 |
| Non-rep Pk Forward Current-Max | — | — | 18 A | 15 A |
| Number of Phases | — | — | 1 | 1 |
| Output Current-Max | — | — | 1 A | 0.5 A |
| Reverse Recovery Time-Max | — | — | 0.075 µs | — |
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 3 alternatives for SMAJ40CA — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for SMAJ40CA 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 SMAJ40CA 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 SMAJ40CA?
Known equivalents for SMAJ40CA include 744272392, STTH112UFY, SBR0560S1-7. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SMAJ40CA?
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 SMAJ40CA 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.