For Reference Only
| Part Number | 1N4973US |
| Manufacturer | Semtech Corporation |
| Category | Discrete Semiconductor › Diodes - Zener - Single |
| Description | DIODE ZENER 43V 5W |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | 1N4973US PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 08 - Dec 12 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | 1N4973US |
| Brand: | Semtech Corporation |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Discrete Semiconductor |
| Subcategory: | Diodes - Zener - Single |
| Manufacturer: | Semtech Corporation |
| Product Status: | Discontinued at Digi-Key |
| Voltage - Zener (Nom) (Vz): | 43 V |
| Tolerance: | ±4.88% |
| Power - Max: | 5 W |
| Impedance (Max) (Zzt): | 20 Ohms |
| Current - Reverse Leakage @ Vr: | 2 µA @ 32.7 V |
| Voltage - Forward (Vf) (Max) @ If: | - |
| Operating Temperature: | -55°C ~ 175°C |
| Mounting Type: | Surface Mount |
| Package / Case: | SQ-MELF |
| Supplier Device Package: | - |
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| In Stock | 6441 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250 | $8.26152 | $2065.38 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
Please feel free to contact us for details.