SMAJ28A-TRAlternatives & Equivalent Parts
About SMAJ28A-TR
SMAJ28A-TR is a TVS Diode (Uni-directional) component manufactured by STMicroelectronics. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Need pricing on these alternatives?
Get one quote covering this alternative for SMAJ28A-TR — response within 24 hours.
Specification Comparison
| Parameter | SMAJ28A-TRSource | SMAJ28A |
|---|---|---|
| Manufacturer | STMicroelectronics | LITTELFUSE |
| Package Type | Other | Diodes Moulded |
| Pin Count | 2 | 2 |
| Temperature Range | -55.0°C ~ 150.0°C | -65.0°C ~ 150.0°C |
| Price | $0.0547 | $0.0169 |
| Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE |
| Electrical Parameters | ||
| Reach Compliance Code | Not Compliant | — |
| Factory Lead Time | 13 Weeks | — |
| YTEOL | 6 | 6.1 |
| Additional Feature | MOS COMPATIBLE | — |
| Breakdown Voltage-Min | 31.1 V | 31.1 V |
| Breakdown Voltage-Nom | 32.7 V | 32.75 V |
| Clamping Voltage-Max | 45.4 V | 45.4 V |
| Configuration | SINGLE, 1 CHANNEL | SINGLE, 1 CHANNEL |
| Diode Element Material | SILICON | SILICON |
| Diode Type | TRANS VOLTAGE SUPPRESSOR DIODE | TRANS VOLTAGE SUPPRESSOR DIODE |
| JEDEC-95 Code | DO-214AC | DO-214AC |
| JESD-30 Code | R-PDSO-C2 | R-PDSO-C2 |
| JESD-609 Code | e3 | — |
| Non-rep Peak Rev Power Dis-Max | 400 W | 400 W |
| Number of Elements | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 |
| Polarity | UNIDIRECTIONAL | UNIDIRECTIONAL |
| Power Dissipation-Max | 3.3 W | 3.3 W |
| Qualification Status | Not Qualified | Not Qualified |
| Reference Standard | IEC-61000-4-2, 4-4, 4-5; MIL-STD-750 | IEC-61000-4-2; UL RECOGNIZED |
| Rep Pk Reverse Voltage-Max | 28 V | 28 V |
| Reverse Current-Max | 2 µA | 1 µA |
| Reverse Test Voltage | 28 V | 28 V |
| Surface Mount | YES | YES |
| Technology | AVALANCHE | AVALANCHE |
| Terminal Finish | Matte Tin (Sn) - annealed | Matte Tin (Sn) |
| Terminal Form | C BEND | C BEND |
| Terminal Position | DUAL | DUAL |
| Pbfree Code | — | No |
| Breakdown Voltage-Max | — | 34.4 V |
| Forward Voltage-Max (VF) | — | 3.5 V |
| Time@Peak Reflow Temperature-Max (s) | — | 30 |
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 this alternative for SMAJ28A-TR — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for SMAJ28A-TR 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 SMAJ28A-TR 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.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for SMAJ28A-TR. Get expert recommendations within 24 hours.
FAQ
What is equivalent to SMAJ28A-TR?
Known equivalents for SMAJ28A-TR include SMAJ28A. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SMAJ28A-TR?
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 SMAJ28A-TR 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.