BZW50-33Alternatives & Equivalent Parts
About BZW50-33
BZW50-33 is a TVS Diode (Uni-directional) component manufactured by STMicroelectronics. It comes in a Diodes, Axial Diameter Horizontal Mounting 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 | BZW50-33Source | BZW50-33RL | BZW50-33B | BZW50-33BRL |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Diodes, Axial Diameter Horizontal Mounting | Diodes, Axial Diameter Horizontal Mounting | Diodes, Axial Diameter Horizontal Mounting | Diodes, Axial Diameter Horizontal Mounting |
| Pin Count | 2 | 2 | 2 | 2 |
| Temperature Range | -55.0°C ~ 175.0°C | -55.0°C ~ 175.0°C | -55.0°C ~ 175.0°C | -55.0°C ~ 175.0°C |
| Price | $1.0435 | $1.0185 | $1.1200 | $1.2773 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | END OF LIFE | OBSOLETE | END OF LIFE | END OF LIFE |
| Electrical Parameters | ||||
| Factory Lead Time | 25 Weeks | 25 Weeks | 25 Weeks | 25 Weeks |
| YTEOL | 1 | 0 | 1 | 1 |
| Additional Feature | UL RECOGNIZED | UL RECOGNIZED | UL RECOGNIZED | UL RECOGNIZED |
| Breakdown Voltage-Min | 36.6 V | 36.6 V | 36.6 V | 36.6 V |
| Case Connection | ISOLATED | ISOLATED | ISOLATED | ISOLATED |
| Clamping Voltage-Max | 76 V | 76 V | 76 V | 76 V |
| Configuration | SINGLE, 1 CHANNEL | SINGLE, 1 CHANNEL | SINGLE, 1 CHANNEL | SINGLE, 1 CHANNEL |
| Diode Element Material | SILICON | SILICON | SILICON | SILICON |
| Diode Type | TRANS VOLTAGE SUPPRESSOR DIODE | TRANS VOLTAGE SUPPRESSOR DIODE | TRANS VOLTAGE SUPPRESSOR DIODE | TRANS VOLTAGE SUPPRESSOR DIODE |
| JESD-30 Code | O-PALF-W2 | O-PALF-W2 | O-PALF-W2 | O-PALF-W2 |
| JESD-609 Code | e3 | e3 | e3 | e3 |
| Non-rep Peak Rev Power Dis-Max | 5000 W | 5000 W | 5000 W | 5000 W |
| Number of Elements | 1 | 1 | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | ROUND | ROUND | ROUND | ROUND |
| Package Style | LONG FORM | LONG FORM | LONG FORM | LONG FORM |
| Polarity | UNIDIRECTIONAL | UNIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL |
| Power Dissipation-Max | 6.5 W | 6.5 W | 6.5 W | 6.5 W |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Reference Standard | IEC-61000-4-2, 4-4, 4-5; MIL-STD-750 | IEC-61000-4-2, 4-4, 4-5; MIL-STD-750 | IEC-61000-4-2, 4-4, 4-5; MIL-STD-750 | IEC-61000-4-2, 4-4, 4-5; MIL-STD-750 |
| Rep Pk Reverse Voltage-Max | 33 V | 33 V | 33 V | 33 V |
| Reverse Current-Max | 5 µA | 5 µA | 5 µA | 5 µA |
| Reverse Test Voltage | 33 V | 33 V | 33 V | 33 V |
| Surface Mount | NO | NO | NO | NO |
| Technology | AVALANCHE | AVALANCHE | AVALANCHE | AVALANCHE |
| Terminal Finish | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | WIRE | WIRE | WIRE | WIRE |
| Terminal Position | AXIAL | AXIAL | AXIAL | AXIAL |
| Reach Compliance Code | — | Not Compliant | — | — |
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 BZW50-33 — response within 24 hours.
Quick Links
Voltage Suppressor Diode, 5000W, 33V V(RWM), Unidirectional, 1 Element, Silicon
Trans Voltage Suppressor Diode, 5000W, 33V V(RWM), Bidirectional, 1 Element, Silicon
Trans Voltage Suppressor Diode, 5000W, 33V V(RWM), Bidirectional, 1 Element, Silicon
Why Look for Alternatives?
Finding alternatives for BZW50-33 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 BZW50-33 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 BZW50-33?
Known equivalents for BZW50-33 include BZW50-33RL, BZW50-33B, BZW50-33BRL. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of BZW50-33?
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 BZW50-33 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.