Microchip Technology JANTX1N4131D-1/TR
- Part No.:
- JANTX1N4131D-1/TR
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANTX1N4131D-1/TR.pdf
- Description:
- DIODE ZENER 75V 500MW DO204AH
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
JANTX1N4131D-1/TR from Microsemi is a 75 V, 1% tolerance, 500 mW axial-leaded Zener diode in DO-35 glass package, metallurgically bonded for high-reliability voltage regulation in aerospace and defense power supply circuits.
For engineers reviewing the JANTX1N4131D-1/TR datasheet, JANTX1N4131D-1/TR pinout, JANTX1N4131D-1/TR application, or JANTX1N4131D-1/TR equivalent, this page delivers verified Zener voltage, temperature coefficient, noise density, dynamic impedance, and MIL-PRF-19500/435 qualification details critical for precision reference and overvoltage protection design.
Technical Context
This device operates as a reverse-biased voltage reference with nominal Zener voltage of 75 V at 250 mA test current, ±1% tolerance (denoted by "D" in part nomenclature), and +0.100 %/°C temperature coefficient. It exhibits 700 Ω maximum dynamic impedance at IZT and 5.1 µA maximum reverse leakage at VR = 60 V.
Designed for stable regulation across wide current and temperature ranges, it features 40 µV/√Hz noise density at 75 V, hermetic glass DO-35 packaging, and metallurgical bonding to ensure reliability under thermal cycling and radiation exposure per Microsemi MicroNote 050.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 75 V ±1% at 250 mA - enables precise 75 V rail regulation with tight tolerance for reference and clamping. |
| Power Dissipation | 500 mW @ TC = 25 °C - supports continuous operation in low-power analog and control circuits. |
| Dynamic Impedance ZZT | 700 Ω max at IZT - ensures stable output voltage under varying load current conditions. |
| Noise Density ND | 40 µV/√Hz - low broadband noise suitable for precision analog references and instrumentation. |
| Temp. Coefficient αVZ | +0.100 %/°C - predictable positive drift allows accurate compensation in temperature-stable designs. |
| Reverse Leakage IR | 0.01 µA @ VR = 60 V - minimal leakage preserves accuracy in high-impedance bias networks. |
| Junction Temp. Range | –65 °C to +175 °C - qualified for extreme-environment applications including space and military avionics. |
Pinout & Package
DO-35 (DO-204AH) axial-leaded glass package with cathode indicated by band; banded end is positive during Zener operation. Leads are tin-lead or RoHS-compliant matte-tin plated, solderable per MIL-STD-750 method 2026.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Reference ground node | Connected to circuit common; establishes reference potential for Zener breakdown. |
| Cathode | Zener regulation output | Banded end; supplies regulated 75 V when reverse biased above breakdown threshold. |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/435 Qualified | JANTX level certified for high-reliability aerospace and defense systems with full traceability. |
| Metallurgical Bond Construction | Eliminates interfacial delamination risk under thermal shock and mechanical stress. |
| Hermetic Glass Encapsulation | Prevents moisture ingress and long-term parameter drift in harsh environmental conditions. |
| Low Capacitance | Typical <2 pF - minimizes signal coupling and high-frequency instability in RF-adjacent circuits. |
| Radiation Hardness | Inherently radiation tolerant per Microsemi MicroNote 050 - suitable for space-grade applications. |
Applications
| Avionics Power Monitoring | Satellite Bus Voltage Reference |
|---|---|
Use Scenario: Monitoring 75 V primary bus voltage in airborne mission computers with ±1% accuracy requirement. IC Role / Device Role / Timing Role: Zener diode providing stable 75 V reference for ADC input scaling and comparator thresholds. Use Value: Tight 1% tolerance and +0.100 %/°C coefficient enable calibrated measurement across –55 °C to +125 °C operating range. | Use Scenario: Generating precision bias voltage for radiation-hardened op-amps in LEO satellite telemetry modules. IC Role / Device Role / Timing Role: Voltage reference element in low-noise, low-drift analog front-end signal conditioning chain. Use Value: 40 µV/√Hz noise density and hermetic DO-35 package ensure signal integrity in ultra-low-power, high-reliability subsystems. |
| Ground-Based Radar Clamping | Tactical Radio Transceiver Protection |
Use Scenario: Overvoltage clamping on 75 V transmitter supply rails exposed to lightning-induced transients. IC Role / Device Role / Timing Role: Fast-response Zener clamp absorbing surge energy while maintaining system-level voltage stability. Use Value: 500 mW power rating and 700 Ω dynamic impedance allow controlled dissipation without catastrophic failure. | Use Scenario: ESD and transient suppression on RF power amplifier bias lines in handheld military radios. IC Role / Device Role / Timing Role: Low-capacitance (≈1.5 pF) Zener protecting sensitive GaAs FET gate drivers from voltage spikes. Use Value: Minimal capacitance prevents RF detuning; metallurgical bond ensures survivability under repeated surge events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| JANTXV1N4131D-1/TR | JANTXV qualification level (higher screening than JANTX); identical electrical specs and DO-35 package. | Required for programs demanding extended burn-in, life test, and radiation lot acceptance testing. | Select when full JANTXV screening per MIL-PRF-19500/435 is mandated by system specification. |
| 1N4131DUR-1/TR | DO-213AA surface-mount package; same 75 V ±1%, 500 mW rating but no axial leads. | Suitable for automated SMT assembly where board space and reflow compatibility are prioritized over through-hole mounting. | Choose for compact PCB layouts requiring RoHS-compliant SMT Zener with identical regulation performance. |
Compared with JANTX1N4131D-1/TR, the JANTXV variant adds enhanced reliability screening without altering electrical behavior, while the 1N4131DUR-1/TR offers identical regulation in a surface-mount form factor-enabling layout flexibility without sacrificing precision or ruggedness.
Availability
JANTX1N4131D-1/TR is available at Aetrix Electronics and suitable for avionics power monitoring, satellite bus voltage reference, and ground-based radar clamping requiring stable component supply with full MIL-PRF-19500/435 traceability.
Supply support for JANTX1N4131D-1/TR 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) is a U.S.-based semiconductor company specializing in high-reliability analog and mixed-signal components for aerospace, defense, and industrial markets.
The JANTX1N4131D-1/TR belongs to Microsemi's legacy 1N4099–1N4135 series of metallurgically bonded Zener diodes, engineered specifically for precision voltage regulation in mission-critical environments where long-term stability and radiation tolerance are mandatory.
FAQ
What is the Zener voltage and tolerance of JANTX1N4131D-1/TR?
JANTX1N4131D-1/TR has a nominal Zener voltage of 75 V with ±1% tolerance, as confirmed by its "D" suffix per Microsemi's part nomenclature and Electrical Characteristics table on Page 3 of T4-LDS-0245-2. This tolerance is measured at 250 mA test current and 25 °C ambient, and applies across the full qualified temperature range.
Is JANTX1N4131D-1/TR qualified to MIL-PRF-19500/435?
Yes, JANTX1N4131D-1/TR is explicitly qualified to MIL-PRF-19500/435 at the JANTX reliability level, as stated in the "Qualified Levels" section on Page 1 of T4-LDS-0245-2. This includes full screening for high-reliability applications in aerospace and defense systems.
What is the maximum reverse leakage current for JANTX1N4131D-1/TR?
The maximum reverse leakage current (IR) for JANTX1N4131D-1/TR is 0.01 µA at VR = 60 V, per the Electrical Characteristics table on Page 3 of T4-LDS-0245-2. This ultra-low leakage supports high-impedance bias networks and precision reference applications.
Does JANTX1N4131D-1/TR have radiation hardness characteristics?
Yes, JANTX1N4131D-1/TR is inherently radiation hard as documented in Microsemi MicroNote 050, referenced on Page 1 of T4-LDS-0245-2. Its metallurgically bonded construction and hermetic DO-35 package contribute to resilience against total ionizing dose (TID) and displacement damage.
What is the noise density specification for JANTX1N4131D-1/TR?
JANTX1N4131D-1/TR has a maximum noise density of 40 µV/√Hz, specified at 75 V and 250 mA test current per Page 1 and Figure 1 of T4-LDS-0245-2. This value is measured using a 1 kHz–3 kHz bandpass filter and reflects broadband noise performance critical for analog reference design.
JANTX1N4131D-1/TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- DO-204AH, DO-35, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 75 V
- Tolerance:
- ±1%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 700 Ohms
- Current - Reverse Leakage @ Vr:
- 10 nA @ 57 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)
JANTX1N4131D-1/TR FAQ
1.How can I place an order for JANTX1N4131D-1/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTX1N4131D-1/TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
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The price and inventory of JANTX1N4131D-1/TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTX1N4131D-1/TR is usually 5 days.
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5.How can I obtain technical support or documentation for JANTX1N4131D-1/TR?
For technical support, including JANTX1N4131D-1/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTX1N4131D-1/TR requirements.
6.How does Aetrix verify that JANTX1N4131D-1/TR is sourced from the original manufacturer or authorized distributors?
All JANTX1N4131D-1/TR 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 JANTX1N4131D-1/TR meets industry standards.
7.What is the process for return or replacement of JANTX1N4131D-1/TR?
All JANTX1N4131D-1/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANTX1N4131D-1/TR, 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 JANTX1N4131D-1/TR part is unused and in its original packaging.
Return procedure for JANTX1N4131D-1/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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