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Microchip Technology JANTXV1N4129D-1
- Part No.:
- JANTXV1N4129D-1
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANTXV1N4129D-1.pdf
- Description:
- DIODE ZENER 62V 500MW DO204AH
- Quantity:
- Payment:
- Shipping:
Inventory:9,376
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Product details
Overview
JANTXV1N4129D-1 from Microsemi is a 500 mW, 62 V, 1% tolerance metallurgically bonded glass Zener diode in DO-35 package, qualified to MIL-PRF-19500/435 JANTXV level for high-reliability voltage regulation in aerospace and defense power supplies.
For engineers reviewing the JANTXV1N4129D-1 datasheet, JANTXV1N4129D-1 pinout, JANTXV1N4129D-1 application, or JANTXV1N4129D-1 equivalent, key selection factors include its 1% Zener voltage tolerance, 62 V nominal regulation at 250 mA, 500 mW power rating with linear derating above 50 °C, low noise density (≤1 μV/√Hz), and radiation-hardened construction per MicroNote 050.
Technical Context
This device operates as a precision shunt voltage regulator in reverse-biased breakdown mode, with cathode band marking polarity. Its metallurgical bond ensures stable junction characteristics under thermal cycling and mechanical stress, critical for military-grade reliability.
Zener impedance is specified at 500 Ω max at IZT = 250 mA, and temperature coefficient is +0.100 %/°C - enabling predictable drift compensation in reference circuits across -65 °C to +175 °C operating range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Zener Voltage | 62 V ±1% at 250 mA - enables precise 62 V reference generation with tight tolerance for calibration-critical systems. |
| Power Dissipation | 500 mW at 25 °C, linearly derated to zero at 175 °C - defines maximum continuous power handling under thermal constraints. |
| Zener Impedance | ≤500 Ω at 250 mA - ensures minimal output voltage variation under load current changes in regulated supply rails. |
| Noise Density | ≤1 μV/√Hz - supports low-noise analog references in precision instrumentation and ADC biasing. |
| Temp Coefficient | +0.100 %/°C - allows accurate prediction of voltage drift over temperature for system-level compensation design. |
| Reverse Leakage | ≤0.01 µA at 47.1 V - guarantees negligible standby current in high-impedance sensing or battery-backed circuits. |
| Junction Temp Range | -65 °C to +175 °C - qualifies for extreme-environment deployment in avionics, downhole tools, and space-qualified electronics. |
Pinout & Package
DO-35 (DO-204AH) axial-leaded hermetically sealed glass package with tin-lead or RoHS-compliant matte-tin plating; cathode indicated by color band; weight ≈ 0.2 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Reference Ground Node | Connected to circuit common; establishes return path for Zener current during regulation. |
| Cathode | Regulated Output Node | Banded end; held at stable 62 V relative to anode when reverse-biased above breakdown threshold. |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/435 JANTXV qualification | Validated for high-reliability programs requiring screening per Level V test flow including burn-in, thermal shock, and life testing. |
| Metallurgical bond construction | Eliminates interfacial delamination risk under thermal cycling, ensuring long-term parameter stability in mission-critical hardware. |
| 1% Zener voltage tolerance | Reduces need for post-assembly trimming in precision voltage references used in test equipment and satellite power conditioning. |
| Radiation hardness | Inherently resistant to total ionizing dose (TID) per Microsemi MicroNote 050 - suitable for low-earth orbit and nuclear instrumentation applications. |
| Low capacitance | Typical <2 pF - preserves high-frequency signal integrity in RF detector biasing and fast-switching protection circuits. |
Applications
| Aerospace Power Reference | Defense System Calibration |
|---|---|
Use Scenario: Stable 62 V reference in satellite DC-DC converter feedback loops requiring long-term drift stability over thermal vacuum cycles. IC Role / Device Role / Timing Role: Shunt voltage regulator providing precision reference point for error amplifiers in isolated flyback controllers. Use Value: 1% tolerance and +0.100 %/°C TC enable <±0.5% total error over -40 °C to +85 °C without external compensation. | Use Scenario: Calibration standard in portable electronic warfare test sets where field recalibration must remain traceable to NIST standards. IC Role / Device Role / Timing Role: Primary Zener reference in multi-range voltage calibrators with manual or auto-ranging selection. Use Value: Metallurgical bond and JANTXV screening ensure <10 ppm/year long-term drift, meeting MIL-STD-456B calibration interval requirements. |
| Nuclear Instrumentation Bias | Avionics Overvoltage Protection |
Use Scenario: High-stability bias source for photomultiplier tube (PMT) gain control in radiation detection modules deployed in reactor monitoring systems. IC Role / Device Role / Timing Role: Low-noise, radiation-hardened Zener supplying regulated HV bias to PMT dynode chains. Use Value: ≤1 μV/√Hz noise density prevents signal-to-noise degradation in low-light photon counting; inherent TID hardness avoids parametric shift after 100 krad exposure. | Use Scenario: Clamping element in 28 V aircraft bus transient suppressors protecting flight control interface ICs from load dump spikes. IC Role / Device Role / Timing Role: Precision shunt clamp activated above 62 V to divert surge energy away from downstream regulators and FPGAs. Use Value: 500 mW rating with 250 °C/W junction-to-lead thermal resistance enables 100 ms surge absorption without thermal runaway under MIL-STD-704E Condition A transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4129US-1 | Same 62 V, 1% spec, but in DO-213AA surface-mount package; no axial leads. | Requires PCB re-layout for SMT assembly; unsuitable for through-hole prototyping or high-vibration mechanical mounting. | Select when automated assembly, board space reduction, or improved vibration resistance is prioritized over manual serviceability. |
| JANS1N4129D-1 | Identical electrical specs and DO-35 package, but qualified to JANS (Level S) with additional screening including lot acceptance tests and extended life testing. | Required for spaceflight missions or nuclear safety-class systems where failure probability must be <1×10⁻⁶ per hour. | Select only when JANS-level reliability documentation and traceability are contractually mandated. |
Compared with JANTXV1N4129D-1, the 1N4129US-1 offers footprint miniaturization at the cost of mechanical robustness, while JANS1N4129D-1 adds screening overhead for ultra-high-assurance environments - neither is pin-compatible drop-in replacement due to differing qualification scope and packaging.
Availability
JANTXV1N4129D-1 is available at Aetrix Electronics and suitable for aerospace power reference, defense system calibration, and nuclear instrumentation biasing requiring stable component supply with full MIL-spec traceability and lot-level documentation.
Supply support for JANTXV1N4129D-1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microsemi Corporation (now part of Microchip Technology) designs high-reliability analog and mixed-signal semiconductors for aerospace, defense, and industrial markets, with emphasis on radiation-hardened and MIL-spec components.
The 1N4099–1N4135 series was developed specifically to meet stringent voltage regulation needs in military and space-grade power systems where long-term stability, low noise, and environmental survivability are non-negotiable.
FAQ
What is the Zener voltage tolerance and test current for JANTXV1N4129D-1?
JANTXV1N4129D-1 has a nominal Zener voltage of 62 V with ±1% tolerance, measured at a Zener test current (IZT) of 250 mA. This tight tolerance is achieved via post-process binning and verified during JANTXV qualification testing per MIL-PRF-19500/435.
Is JANTXV1N4129D-1 suitable for high-temperature operation?
Yes, JANTXV1N4129D-1 operates from -65 °C to +175 °C junction temperature. Its power dissipation linearly derates from 500 mW at 25 °C to zero at 175 °C, and thermal resistance junction-to-lead is 250 °C/W - enabling reliable use in engine-mounted avionics and downhole drilling electronics.
Does JANTXV1N4129D-1 have radiation hardness certification?
Yes, JANTXV1N4129D-1 is inherently radiation hard per Microsemi MicroNote 050, with documented performance up to 100 krad(Si) total ionizing dose. No additional testing is required for most LEO satellite applications, though system-level validation remains the customer's responsibility.
What is the maximum Zener impedance of JANTXV1N4129D-1 and at what condition?
The maximum Zener impedance (ZZT) of JANTXV1N4129D-1 is 500 Ω, measured at the specified Zener test current of 250 mA with a 60 Hz rms ac modulation at 10% of IZT (25 µA), per MicroNote 202 methodology.
How is polarity marked on JANTXV1N4129D-1 and how should it be biased?
JANTXV1N4129D-1 uses a cathode band to indicate polarity; the banded end is the cathode and must be held positive relative to the anode to operate in Zener breakdown regulation mode. Reverse-biasing this configuration establishes the 62 V reference voltage across the device.
JANTXV1N4129D-1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- DO-204AH, DO-35, Axial
- Packaging:
- Bulk
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 62 V
- Tolerance:
- ±1%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 500 Ohms
- Current - Reverse Leakage @ Vr:
- 10 nA @ 47.1 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 200 mA
- Operating Temperature:
- -65°C ~ 175°C
- Grade:
- Military
- Qualification:
- MIL-PRF-19500/435
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AH (DO-35)
JANTXV1N4129D-1 FAQ
1.How can I place an order for JANTXV1N4129D-1 through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTXV1N4129D-1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for JANTXV1N4129D-1 reliable?
The price and inventory of JANTXV1N4129D-1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTXV1N4129D-1 is usually 5 days.
3.What payment methods are accepted for JANTXV1N4129D-1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTXV1N4129D-1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTXV1N4129D-1?
JANTXV1N4129D-1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTXV1N4129D-1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for JANTXV1N4129D-1?
For technical support, including JANTXV1N4129D-1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTXV1N4129D-1 requirements.
6.How does Aetrix verify that JANTXV1N4129D-1 is sourced from the original manufacturer or authorized distributors?
All JANTXV1N4129D-1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that JANTXV1N4129D-1 meets industry standards.
7.What is the process for return or replacement of JANTXV1N4129D-1?
All JANTXV1N4129D-1 units undergo pre-shipment inspection (PSI). If there is an issue with JANTXV1N4129D-1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The JANTXV1N4129D-1 part is unused and in its original packaging.
Return procedure for JANTXV1N4129D-1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTXV1N4129D-1 Tags
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