Part Details for 1N4948 by Semtech Corporation
Results Overview of 1N4948 by Semtech Corporation
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (5 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.
1N4948 Information
1N4948 by Semtech Corporation is a Rectifier Diode.
Rectifier 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 1N4948
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
1N4948S-ND
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DigiKey | DIODE ZENER AXIAL Lead time: 12 Weeks Container: Bulk | Limited Supply - Call |
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Buy Now | |
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DISTI #
1N4948
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Avnet Americas | Diode Switching 1KV 2A 2-Pin Case G-2 - Bulk (Alt: 1N4948) RoHS: Not Compliant Min Qty: 250 Package Multiple: 1 Lead time: 111 Weeks, 0 Days Container: Bulk | 0 |
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RFQ | |
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DISTI #
1N4948
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Avnet Silica | Diode Switching 1KV 2A 2Pin Case G2 (Alt: 1N4948) RoHS: Compliant Min Qty: 250 Package Multiple: 250 Lead time: 14 Weeks, 0 Days | Silica - 0 |
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Buy Now |
Part Details for 1N4948
1N4948 CAD Models
1N4948 Part Data Attributes
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1N4948
Semtech Corporation
Buy Now
Datasheet
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1N4948
Semtech Corporation
Rectifier Diode, 1 Element, 1A, 1000V V(RRM), Silicon, HERMETIC SEALED PACKAGE-2
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| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | SEMTECH CORP | |
| Package Description | HERMETIC SEALED PACKAGE-2 | |
| Pin Count | 2 | |
| Reach Compliance Code | unknown | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.10.00.80 | |
| Factory Lead Time | 111 Weeks | |
| Samacsys Manufacturer | SEMTECH | |
| Case Connection | ISOLATED | |
| Configuration | SINGLE | |
| Diode Element Material | SILICON | |
| Diode Type | RECTIFIER DIODE | |
| Forward Voltage-Max (VF) | 1.2 V | |
| JESD-30 Code | O-XALF-W2 | |
| Number of Elements | 1 | |
| Number of Phases | 1 | |
| Number of Terminals | 2 | |
| Operating Temperature-Max | 175 °C | |
| Operating Temperature-Min | -65 °C | |
| Output Current-Max | 1 A | |
| Package Body Material | UNSPECIFIED | |
| Package Shape | ROUND | |
| Package Style | LONG FORM | |
| Qualification Status | Not Qualified | |
| Rep Pk Reverse Voltage-Max | 1000 V | |
| Reverse Recovery Time-Max | 0.5 µs | |
| Surface Mount | NO | |
| Terminal Form | WIRE | |
| Terminal Position | AXIAL |
Alternate Parts for 1N4948
This table gives cross-reference parts and alternative options found for 1N4948. 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 1N4948, 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 |
|---|---|---|---|---|
| 1N4948GP | Promax-Johnton Electronic Corporation | Check for Price | Rectifier Diode, 1 Element, 1A, Silicon, DO-41, 2 PIN | 1N4948 vs 1N4948GP |
| 1N4948X | Microsemi Corporation | Check for Price | Rectifier Diode, 1 Element, 1A, Silicon, GLASS PACKAGE-2 | 1N4948 vs 1N4948X |
| 1N4948R | Microsemi Corporation | Check for Price | Rectifier Diode, 1 Element, 1A, Silicon, GLASS PACKAGE-2 | 1N4948 vs 1N4948R |
| 1N4948TR | Central Semiconductor Corp | Check for Price | Rectifier Diode, 1 Element, 1A, 1000V V(RRM), Silicon | 1N4948 vs 1N4948TR |
| JANTXV1N4948 | Microsemi Corporation | Check for Price | Rectifier Diode, 1 Element, 1A, 1000V V(RRM), Silicon, SIMILAR TO DO-41, 2 PIN | 1N4948 vs JANTXV1N4948 |
1N4948 Frequently Asked Questions (FAQ)
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The recommended mounting pad layout for the 1N4948 is a rectangular pad with a minimum size of 2.5mm x 1.5mm, with a 0.5mm radius corner. This layout ensures proper heat dissipation and reduces thermal resistance.
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Yes, the 1N4948 is suitable for use in switching power supplies due to its high switching speed and low reverse recovery time. However, ensure that the diode is properly snubbed to prevent voltage spikes and ringing.
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To prevent electrostatic discharge (ESD) damage, handle the 1N4948 with ESD-safe materials, wear an ESD strap, and ensure that the work surface is ESD-protected. Avoid touching the diode's pins or leads with bare hands.
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The maximum allowable voltage derating for the 1N4948 is 10% of the rated voltage (100V) at high temperatures (above 150°C). This ensures that the diode operates within its safe operating area.
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Yes, the 1N4948 is suitable for high-frequency applications up to 1MHz due to its low capacitance and inductance. However, ensure that the diode is properly decoupled and that the circuit is designed to minimize parasitic effects.