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JANTX1N4964DUS
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Product Detailed Parameters
- Description：DIODE ZENER 18V 5W D5B
- Series：-
- Mfr：Microsemi Corporation
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：18 V
- Tolerance：±1%
- Power - Max：5 W
- Impedance (Max) (Zzt)：4 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 13.7 V
- Operating Temperature：-65°C ~ 175°C
- Mounting Type：Surface Mount
- Package / Case：SQ-MELF, E
- Voltage - Forward (Vf) (Max) @ If：1.5 V @ 1 A
- Grade：Military
- Qualification：MIL-PRF-19500/435
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Buying Guide
Microsemi Corporation JANTX1N4964DUS is sourced in Single Zener Diodes category when teams want clear constraints and a repeatable validation path. Key specs include Description (DIODE ZENER 18V 5W D5B), Packaging (Bulk), Temperature (-65°C ~ 175°C), Package/case (SQ-MELF, E), and Mounting (Surface Mount).
Selection Notes
- For JANTX1N4964DUS, validate the operating temperature range (-65°C ~ 175°C) for your environment and margin.
- Validate Voltage - Zener (Nom) (Vz) (18 V) under the expected test conditions in your application.
- Verify the package/case (SQ-MELF, E) fits your mechanical constraints and assembly process.
Alternates & Substitutions
- For production substitutions involving JANTX1N4964DUS in Single Zener Diodes, the cleanest alternate is usually the one that keeps the same product-facing behavior with the fewest new assumptions.
- For JANTX1N4964DUS in Single Zener Diodes, the better substitutes usually stay aligned with the actual conduction or protection job instead of relying on a single spec line (key constraints: package SQ-MELF, E).
- A practical alternate review starts by asking which product assumptions stay fixed and which trade-offs the design can absorb.
- Keeping package/case SQ-MELF, E, mounting Surface Mount, packaging Bulk consistent usually matters more than a small paper advantage elsewhere.
FAQ
What should I compare when selecting an alternate for JANTX1N4964DUS?
Compare footprint/pinout, key electrical limits, temperature range, and interface requirements, then validate under worst-case conditions.
Can you confirm the Voltage - Forward (Vf) (Max) @ If for JANTX1N4964DUS?
1.5 V @ 1 A
Can you confirm the Tolerance for JANTX1N4964DUS?
±1%
Which Qualification is listed for JANTX1N4964DUS?
MIL-PRF-19500/435
Application Scenarios
For Microsemi Corporation JANTX1N4964DUS used in Single Zener Diodes designs, engineers usually narrow the choice by checking the failure modes, measurement access, and constraints that still matter after layout. They control current direction and clamp transients, protecting circuits and enabling robust AC or DC power handling. Engineers often check reverse voltage, surge capability, recovery behavior, leakage, and thermal dissipation in worst-case stress. In industrial power supplies and rectifiers, diode stages handle repetitive stress where thermal paths and mounting quality dominate long-term reliability. In low-noise designs, leakage and recovery behavior can affect measurement accuracy and must be validated. The remaining work is usually board-level: layout, thermal headroom, and verifying behavior at the edge of the operating envelope. When the selection criteria are clear, substitutions and sourcing changes become safer to manage over time.
Compatibility Advice
- In Microsemi Corporation JANTX1N4964DUS integration, where substitutions are likely, confirm surge margins and derating assumptions against the actual pulse widths and repetition, not only a headline rating. Keep the same stress method and limits attached to the approval record so later reruns do not drift away from the released design.
- To avoid late rework, confirm snubber or clamp strategy so recovery transients do not couple into nearby control and sensing nodes. Record the exact load, wiring, and limits so the same evidence can be regenerated during ECO or second-source review.
Project Fit
- Microsemi Corporation JANTX1N4964DUS is worth shortlisting for Single Zener Diodes when the team can bound wiring inductance and thermal paths so worst-case margins remain stable in the enclosure.
- Microsemi Corporation JANTX1N4964DUS becomes harder to justify for Single Zener Diodes when fault coordination and acceptance criteria are not defined, leaving protection behavior fragile because production verification would depend on a bench setup that the release process cannot hold constant.
