SM6T33AAlternatives & Equivalent Parts
About SM6T33A
SM6T33A is a TVS Diode (Uni-directional) 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 | SM6T33ASource | 1731811 | GRM319R71H334KA01D | SM6T33AY | SM6T33CA |
|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Phoenix Contact | Murata Electronics | STMicroelectronics | STMicroelectronics |
| Package Type | Diodes Moulded | Other | Capacitor Chip Non-polarised | Diodes Moulded | Diodes Moulded Non Polarised |
| Pin Count | 2 | 16 | 2 | 2 | 2 |
| Temperature Range | -55.0°C ~ 150.0°C | — | -55.0°C ~ 125.0°C | -55.0°C ~ 150.0°C | -55.0°C ~ 150.0°C |
| Price | $0.0481 | $4.9900 | $0.0675 | $0.1510 | $0.0631 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | NOT RECOMMENDED | ACTIVE | ACTIVE |
| Electrical Parameters | |||||
| Factory Lead Time | 13 Weeks | — | 10 Weeks | 53 Weeks, 1 Day | 13 Weeks |
| YTEOL | 7 | — | 3 | 6.06 | 7 |
| Additional Feature | UL RECOGNIZED | — | — | — | UL RECOGNIZED |
| Breakdown Voltage-Max | 34.7 V | — | — | 34.7 V | 34.7 V |
| Breakdown Voltage-Min | 31.4 V | — | — | 31.4 V | 31.4 V |
| Breakdown Voltage-Nom | 33 V | — | — | 33 V | 33 V |
| Clamping Voltage-Max | 45.7 V | — | — | 59 V | 45.7 V |
| Configuration | SINGLE, 1 CHANNEL | — | — | SINGLE, 1 CHANNEL | SINGLE, 1 CHANNEL |
| Diode Element Material | SILICON | — | — | SILICON | SILICON |
| Diode Type | TRANS VOLTAGE SUPPRESSOR DIODE | — | — | TRANS VOLTAGE SUPPRESSOR DIODE | TRANS VOLTAGE SUPPRESSOR DIODE |
| JEDEC-95 Code | DO-214AA | — | — | DO-214AA | DO-214AA |
| JESD-30 Code | R-PDSO-C2 | — | — | R-PDSO-C2 | R-PDSO-C2 |
| JESD-609 Code | e3 | — | e3 | e3 | e3 |
| Non-rep Peak Rev Power Dis-Max | 600 W | — | — | 600 W | 600 W |
| Number of Elements | 1 | — | — | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | — | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | — | RECTANGULAR PACKAGE | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | — | SMT | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | — | — | 260 | 260 |
| Polarity | UNIDIRECTIONAL | — | — | UNIDIRECTIONAL | BIDIRECTIONAL |
| Power Dissipation-Max | 5 W | — | — | — | 5 W |
| Qualification Status | Not Qualified | — | — | Not Qualified | Not Qualified |
| Reference Standard | IEC-61000-4-2, 4-4, 4-5; MIL-STD-750 | — | — | AEC-Q101; IEC-61000-4-2, 4-4; MIL-STD-750 | IEC-61000-4-2, 4-4, 4-5; MIL-STD-750 |
| Rep Pk Reverse Voltage-Max | 28.2 V | — | — | 28.2 V | 28.2 V |
| Reverse Current-Max | 0.2 µA | — | — | 0.2 µA | 0.2 µA |
| Reverse Test Voltage | 28.2 V | — | — | 28.2 V | 28.2 V |
| Surface Mount | YES | — | YES | YES | YES |
| Technology | AVALANCHE | — | — | AVALANCHE | AVALANCHE |
| Terminal Finish | Matte Tin (Sn) | — | Matte Tin (Sn) - with Nickel (Ni) barrier | Matte Tin (Sn) | Matte Tin (Sn) - annealed |
| Terminal Form | C BEND | — | — | C BEND | C BEND |
| Terminal Position | DUAL | — | — | DUAL | DUAL |
| ## SM6T33A Alternates Showing results | Image | — | — | — | — |
| Pbfree Code | — | Yes | Yes | — | — |
| Reach Compliance Code | — | Compliant | Compliant | — | — |
| Mounting Type | — | BOARD | — | — | — |
| Number of Decks | — | 1 | — | — | — |
| Number of Rows | — | 1 | — | — | — |
| Number of Ways | — | 16 | — | — | — |
| Rated Current | — | 8 A | — | — | — |
| Rated Voltage | — | 160 V | — | — | — |
| Terminal and Terminal Block Type | — | BARRIER STRIP TERMINAL BLOCK | — | — | — |
| Capacitance | — | — | 0.33 µF | — | — |
| Capacitor Type | — | — | CERAMIC CAPACITOR | — | — |
| Dielectric Material | — | — | CERAMIC | — | — |
| Height | — | — | 0.85 mm | — | — |
| Mounting Feature | — | — | SURFACE MOUNT | — | — |
| Multilayer | — | — | YES | — | — |
| Negative Tolerance | — | — | 10% | — | — |
| Packing Method | — | — | 180mm Reel W8P4 | — | — |
| Positive Tolerance | — | — | 10% | — | — |
| Rated (DC) Voltage (URdc) | — | — | 50 V | — | — |
| Size Code | — | — | 3216M/1206 | — | — |
| Temperature Characteristics Code | — | — | X7R | — | — |
| Temperature Coefficient | — | — | 15% ppm/°C | — | — |
| Terminal Shape | — | — | WRAPAROUND | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | 30 | 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 all 4 alternatives for SM6T33A — response within 24 hours.
Quick Links
suggested
Trans Voltage Suppressor Diode, 600W, 28.2V V(RWM), Unidirectional, 1 Element, Silicon, DO-214AA
Why Look for Alternatives?
Finding alternatives for SM6T33A 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 SM6T33A 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 SM6T33A?
Known equivalents for SM6T33A include 1731811, GRM319R71H334KA01D, SM6T33AY. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SM6T33A?
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 SM6T33A 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.