Part Details for 1N5257B-TR by Vishay Semiconductors
Results Overview of 1N5257B-TR by Vishay Semiconductors
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (10 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
1N5257B-TR Information
1N5257B-TR by Vishay Semiconductors is a Zener Diode.
Zener Diodes are under the broader part category of Diodes.
A diode is a electrical part that can control the direction in which the current flows in a device. Consider factors like voltage drop, current capacity, reverse voltage, and operating frequency when selecting a diode. Read more about Diodes on our Diodes part category page.
Price & Stock for 1N5257B-TR
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
112-1N5257B-TRCT-ND
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DigiKey | DIODE ZENER 33V 500MW DO204AH Min Qty: 1 Lead time: 10 Weeks Container: Cut Tape (CT), Tape & Reel (TR) |
23063 In Stock |
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$0.0220 / $0.1000 | Buy Now |
Part Details for 1N5257B-TR
1N5257B-TR CAD Models
1N5257B-TR Part Data Attributes
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1N5257B-TR
Vishay Semiconductors
Buy Now
Datasheet
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Compare Parts:
1N5257B-TR
Vishay Semiconductors
Zener Diode, DO-35,
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| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | VISHAY TELEFUNKEN | |
| Reach Compliance Code | unknown | |
| Category CO2 Kg | 8.7 | |
| EU RoHS Version | RoHS 2 (2011/65/EU) | |
| EU RoHS Exemptions | 7(c)-I | |
| Diode Type | ZENER DIODE | |
| JEDEC-95 Code | DO-35 | |
| JESD-30 Code | O-LALF-W2 | |
| JESD-609 Code | e2 | |
| Number of Terminals | 2 | |
| Package Body Material | GLASS | |
| Package Shape | ROUND | |
| Package Style | LONG FORM | |
| Qualification Status | Not Qualified | |
| Surface Mount | NO | |
| Terminal Finish | TIN SILVER | |
| Terminal Form | WIRE | |
| Terminal Position | AXIAL |
Alternate Parts for 1N5257B-TR
This table gives cross-reference parts and alternative options found for 1N5257B-TR. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of 1N5257B-TR, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
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| 1N5257BAR1 | STMicroelectronics | Check for Price | 33V, 0.5W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-35 | 1N5257B-TR vs 1N5257BAR1 |
| MSP1N5257BE3 | Microsemi Corporation | Check for Price | Zener Diode, 33V V(Z), 5%, 0.417W, Silicon, Unidirectional, DO-204AA, ROHS COMPLIANT, HERMETIC SEALED, GLASS, DO-7, 2 PIN | 1N5257B-TR vs MSP1N5257BE3 |
| MQ1N5257BE3TR | Microsemi Corporation | Check for Price | Zener Diode, 33V V(Z), 5%, 0.417W, Silicon, Unidirectional, DO-204AA, ROHS COMPLIANT, HERMETIC SEALED, GLASS, DO-7, 2 PIN | 1N5257B-TR vs MQ1N5257BE3TR |
| 1N5257BT-88 | ROHM Semiconductor | Check for Price | Zener Diode, 0.5W, Silicon, Unidirectional, DO-35, | 1N5257B-TR vs 1N5257BT-88 |
| 1N5257B-A | Micro Commercial Components | Check for Price | Zener Diode, 33V V(Z), 5%, 0.5W, | 1N5257B-TR vs 1N5257B-A |
| MSP1N5257B-1TR | Microsemi Corporation | Check for Price | Zener Diode, 33V V(Z), 5%, 0.48W, Silicon, Unidirectional, DO-204AH, HERMETIC SEALED, GLASS, DO-35, 2 PIN | 1N5257B-TR vs MSP1N5257B-1TR |
| MSP1N5257B-1 | Microsemi Corporation | Check for Price | Zener Diode, 33V V(Z), 5%, 0.48W, Silicon, Unidirectional, DO-204AH, HERMETIC SEALED, GLASS, DO-35, 2 PIN | 1N5257B-TR vs MSP1N5257B-1 |
| MSP1N5257B-1E3 | Microsemi Corporation | Check for Price | Zener Diode, 33V V(Z), 5%, 0.48W, Silicon, Unidirectional, DO-204AH, ROHS COMPLIANT, HERMETIC SEALED, GLASS, DO-35, 2 PIN | 1N5257B-TR vs MSP1N5257B-1E3 |
| 1N5257B | Texas Instruments | Check for Price | 33V, 0.5W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-35 | 1N5257B-TR vs 1N5257B |
| 1N5257BT-84 | ROHM Semiconductor | Check for Price | Zener Diode, 0.5W, Silicon, Unidirectional, DO-35, | 1N5257B-TR vs 1N5257BT-84 |
1N5257B-TR Frequently Asked Questions (FAQ)
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The recommended land pattern for the 1N5257B-TR can be found in the Vishay Semiconductors' application note 'Land Pattern Recommendations for Vishay Rectifiers' (document number 91000).
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The 1N5257B-TR's thermal management can be handled by ensuring good heat sinking, using a thermal interface material, and keeping the ambient temperature within the recommended operating range. More information can be found in the Vishay Semiconductors' application note 'Thermal Management of Vishay Rectifiers' (document number 91001).
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The 1N5257B-TR's surge current rating is not explicitly stated in the datasheet, but it can be calculated using the formula I^2t = 100 A^2s, where I is the surge current and t is the duration of the surge. This information can be found in the Vishay Semiconductors' application note 'Surge Current Ratings for Vishay Rectifiers' (document number 91002).
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Yes, the 1N5257B-TR is RoHS compliant, meaning it meets the European Union's Restriction of Hazardous Substances directive. This information can be found in the Vishay Semiconductors' product catalog or on their website.
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The 1N5257B-TR has a moisture sensitivity level of MSL 1, which means it can be exposed to a maximum of 30°C/85% relative humidity for 168 hours. This information can be found in the Vishay Semiconductors' product catalog or on their website.