Part Details for 1N4973 by Unitrode Corporation
Results Overview of 1N4973 by Unitrode Corporation
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (3 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.
1N4973 Information
1N4973 by Unitrode Corporation 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.
Part Details for 1N4973
1N4973 CAD Models
1N4973 Part Data Attributes
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1N4973
Unitrode Corporation
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Datasheet
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1N4973
Unitrode Corporation
Zener Diode, 43V V(Z), 5%, 5W, Silicon, Unidirectional,
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| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | UNITRODE CORP | |
| Reach Compliance Code | unknown | |
| Case Connection | ISOLATED | |
| Configuration | SINGLE | |
| Diode Element Material | SILICON | |
| Diode Type | ZENER DIODE | |
| Dynamic Impedance-Max | 6 Ω | |
| JESD-30 Code | O-LALF-W2 | |
| JESD-609 Code | e0 | |
| Number of Elements | 1 | |
| Number of Terminals | 2 | |
| Operating Temperature-Max | 175 °C | |
| Operating Temperature-Min | -65 °C | |
| Package Body Material | GLASS | |
| Package Shape | ROUND | |
| Package Style | LONG FORM | |
| Polarity | UNIDIRECTIONAL | |
| Power Dissipation-Max | 5 W | |
| Qualification Status | Not Qualified | |
| Reference Voltage-Nom | 43 V | |
| Reverse Current-Max | 2 µA | |
| Surface Mount | NO | |
| Technology | ZENER | |
| Terminal Finish | TIN LEAD | |
| Terminal Form | WIRE | |
| Terminal Position | AXIAL | |
| Voltage Temp Coeff-Max | 40.85 mV/°C | |
| Voltage Tol-Max | 5% | |
| Working Test Current | 30 mA |
Alternate Parts for 1N4973
This table gives cross-reference parts and alternative options found for 1N4973. 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 1N4973, 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 |
|---|---|---|---|---|
| JANTX1N4973 | Semtech Corporation | Check for Price | Zener Diode, 43V V(Z), 4.88%, 5W, Silicon, Unidirectional, HERMETIC SEALED PACKAGE-2 | 1N4973 vs JANTX1N4973 |
| JANTXV1N4973 | Microchip Technology Inc | Check for Price | Zener Diode, 43V V(Z), 5%, 5W, Silicon, Unidirectional | 1N4973 vs JANTXV1N4973 |
| JANTXV1N4973 | Sensitron Semiconductors | Check for Price | Zener Diode, 43V V(Z), 5%, 5W, Silicon, Unidirectional, HERMETIC SEALED, GLASS PACKAGE-2 | 1N4973 vs JANTXV1N4973 |