SMCJ33CAAlternatives & Equivalent Parts
About SMCJ33CA
SMCJ33CA is a TVS Diode (Bi-directional) component manufactured by Taiwan Semiconductor. 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 | SMCJ33CASource | MMSZ4V7T1G | STPS340U |
|---|---|---|---|
| Manufacturer | Taiwan Semiconductor | ON Semiconductor | STMicroelectronics |
| Package Type | Diodes Moulded Non Polarised | Small Outline Diode | Diodes Moulded |
| Pin Count | 2 | 2 | 2 |
| Temperature Range | -55.0°C ~ 150.0°C | -55.0°C ~ 150.0°C | ~ 150.0°C |
| Price | $0.0563 | $0.0123 | $0.1170 |
| Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||
| Factory Lead Time | 19 Weeks | 6 Weeks | 15 Weeks |
| YTEOL | 7 | 6.65 | 6.12 |
| Breakdown Voltage-Max | 40.6 V | — | — |
| Breakdown Voltage-Min | 36.7 V | — | — |
| Breakdown Voltage-Nom | 38.7 V | — | — |
| Clamping Voltage-Max | 53.3 V | — | — |
| Configuration | SINGLE | SINGLE | SINGLE |
| Diode Element Material | SILICON | SILICON | SILICON |
| Diode Type | TRANS VOLTAGE SUPPRESSOR DIODE | ZENER DIODE | RECTIFIER DIODE |
| JEDEC-95 Code | DO-214AB | — | — |
| JESD-30 Code | R-PDSO-C2 | R-PDSO-G2 | R-PDSO-C2 |
| JESD-609 Code | e3 | e3 | e3 |
| Non-rep Peak Rev Power Dis-Max | 1500 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 | UNIDIRECTIONAL | — |
| Power Dissipation-Max | 5 W | 0.5 W | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified |
| Reference Standard | UL RECOGNIZED | UL RECOGNIZED | — |
| Rep Pk Reverse Voltage-Max | 33 V | — | 40 V |
| Surface Mount | YES | YES | YES |
| Technology | AVALANCHE | ZENER | SCHOTTKY |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) - annealed | Matte Tin (Sn) |
| Terminal Form | C BEND | GULL WING | C BEND |
| Terminal Position | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | NOT SPECIFIED |
| Pbfree Code | — | Yes | — |
| Manufacturer Package Code | — | 425-04 | — |
| Dynamic Impedance-Max | — | 80 Ω | — |
| Knee Impedance-Max | — | 500 Ω | — |
| Reference Voltage-Nom | — | 4.7 V | — |
| Reverse Current-Max | — | 3 µA | 20 µA |
| Reverse Test Voltage | — | 2 V | 40 V |
| Voltage Temp Coeff-Max | — | 0.2 mV/°C | — |
| Voltage Tol-Max | — | 5% | — |
| Working Test Current | — | 5 mA | — |
| Additional Feature | — | — | FREE WHEELING DIODE |
| Application | — | — | FAST RECOVERY POWER |
| Forward Voltage-Max (VF) | — | — | 0.84 V |
| Non-rep Pk Forward Current-Max | — | — | 75 A |
| Number of Phases | — | — | 1 |
| Output Current-Max | — | — | 3 A |
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 SMCJ33CA — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for SMCJ33CA 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 SMCJ33CA 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 SMCJ33CA?
Known equivalents for SMCJ33CA include MMSZ4V7T1G, STPS340U. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SMCJ33CA?
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 SMCJ33CA 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.