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JAN1N978D-1/TR
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Product Detailed Parameters
- Description：DIODE ZENER 51V 500MW DO204AH
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：51 V
- Tolerance：±1%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：125 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 39 V
- Operating Temperature：-65°C ~ 175°C
- Mounting Type：Through Hole
- Package / Case：DO-204AH, DO-35, Axial
- Voltage - Forward (Vf) (Max) @ If：1.1 V @ 200 mA
- Grade：Military
- Qualification：MIL-PRF-19500/117
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Buying Guide
Microchip Technology JAN1N978D-1-TR is sourced in Single Zener Diodes category when teams want clear constraints and a repeatable validation path. Key specs include Description (DIODE ZENER 51V 500MW DO204AH), Packaging (Tape & Reel (TR)), Temperature (-65°C ~ 175°C), Package/case (DO-204AH, DO-35, Axial), and Mounting (Through Hole).
Selection Notes
- For JAN1N978D-1-TR, validate the operating temperature range (-65°C ~ 175°C) for your environment and margin.
- Verify Voltage - Zener (Nom) (Vz) (51 V) and compare it against your reference design limits.
- Verify the package/case (DO-204AH, DO-35, Axial) fits your mechanical constraints and assembly process.
Alternates & Substitutions
- For JAN1N978D-1-TR, when choices stay close in Single Zener Diodes, the stronger fit is usually the candidate that asks the least from layout, firmware, mechanics, and field use.
- For JAN1N978D-1-TR in Single Zener Diodes, treat near-equivalent parts as good candidates only when they preserve the same function at the product level (key constraints: package DO-204AH, DO-35, Axial).
- Candidates that remain credible across temperature -65°C ~ 175°C tend to be closer to the original production intent.
- When several alternatives look close, the option that preserves package DO-204AH, DO-35, Axial is usually the safer fit.
FAQ
How do I confirm compatibility for JAN1N978D-1-TR?
Match mechanical footprint first, then verify electrical limits and operating conditions against your system constraints.
Which Power - Max is listed for JAN1N978D-1-TR?
500 mW
Which Impedance (Max) (Zzt) is listed for JAN1N978D-1-TR?
125 Ohms
Which Voltage - Zener (Nom) (Vz) is listed for JAN1N978D-1-TR?
51 V
Application Scenarios
Microchip Technology JAN1N978D-1-TR in the Single Zener Diodes category is typically shortlisted after engineers pin down the interface, margin, and field condition that will decide acceptance on assembled hardware. 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 battery systems, reverse-polarity protection and clamping improves safety during servicing and field wiring mistakes. In field deployments, stable behavior across temperature and supply variation is what prevents hard-to-reproduce failures.
Compatibility Advice
- In Microchip Technology JAN1N978D-1-TR integration, before locking the BOM, validate recovery behavior and dv/dt interactions with wiring inductance so commutation does not create overvoltage or EMI surprises. This keeps integration from depending on typical-only conditions.
- Before locking the BOM, check thermal path assumptions with the real mounting and airflow so junction temperature stays predictable after heat soak before freezing the BOM.
Project Fit
- Microchip Technology JAN1N978D-1-TR is a practical fit for Single Zener Diodes when the design needs bounded fault energy and predictable protection coordination across substitutions.
- Microchip Technology JAN1N978D-1-TR becomes harder to justify for Single Zener Diodes when leakage and thermal rise cannot be measured under realistic voltage and temperature conditions because integration risk stays high when key margins cannot be measured.
