Microchip Technology JANTX1N4102D-1
- Part No.:
- JANTX1N4102D-1
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANTX1N4102D-1.pdf
- Description:
- DIODE ZENER 8.7V 500MW DO204AH
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
JANTX1N4102D-1 from Microsemi is a 500 mW, 8.7 V Zener diode in DO-35 glass package, qualified to JANTX reliability level per MIL-PRF-19500/435, with 1% voltage tolerance, 200 Ω dynamic impedance at 250 mA test current, and ±0.075 %/°C temperature coefficient - used for precision voltage reference and regulation in military-grade power supplies and analog signal conditioning circuits.
For engineers reviewing the JANTX1N4102D-1 datasheet, JANTX1N4102D-1 pinout, JANTX1N4102D-1 application, or JANTX1N4102D-1 equivalent, key selection criteria include Zener voltage accuracy (±1%), low noise density (1 µV/√Hz), hermetic DO-35 packaging, MIL-qualified thermal stability (–65°C to +175°C), and metallurgically bonded junction integrity under high-reliability stress conditions.
Technical Context
This device operates as a reverse-biased voltage regulator with a nominal Zener voltage of 8.7 V at 250 mA test current (IZT), exhibiting 200 Ω dynamic impedance (ZZT) and a tightly controlled temperature coefficient of +0.075 %/°C. Its metallurgical bond construction ensures stable breakdown characteristics across wide temperature excursions.
The JANTX1N4102D-1 is rated for 500 mW average power dissipation at 25°C lead temperature, derating linearly to zero at 175°C, and supports ≤5.7 mA maximum Zener current (IZM) at full-rated voltage - enabling use in low-current reference nodes where long-term parametric drift must be minimized.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 8.7 V ±1% at 250 mA - enables precise reference generation with minimal calibration overhead in analog front-ends. |
| Power Dissipation | 500 mW at TC = 25°C - supports stable operation in compact, conduction-cooled military PCB layouts. |
| Dynamic Impedance (ZZT) | 200 Ω at IZT = 250 mA - ensures low output impedance for effective ripple suppression in regulated bias networks. |
| Temperature Coefficient | +0.075 %/°C - provides predictable, monotonic VZ drift over –65°C to +175°C operating range. |
| Noise Density | 1 µV/√Hz - critical for low-noise instrumentation references where broadband voltage noise degrades SNR. |
| Reverse Leakage (IR) | 0.5 µA at VR = 7.0 V - guarantees negligible shunt current in high-impedance reference divider chains. |
Pinout & Package
DO-35 (DO-204AH) axial-leaded hermetically sealed glass package; cathode indicated by band; tin-lead plating; weight ≈ 0.2 g; body diameter 1.42–2.29 mm, length 3.56–5.08 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference ground node | Connected to circuit common or low-side return; establishes reference potential for Zener regulation. |
| Cathode | Zener breakdown terminal / regulated output node | Banded end; connected to unregulated input; delivers stable 8.7 V to load when reverse biased above knee voltage. |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/435 JANTX qualification | Validated screening for burn-in, thermal shock, and life testing - required for aerospace avionics and defense electronics. |
| Metallurgically bonded junction | Eliminates interfacial delamination risk under mechanical stress or thermal cycling - improves long-term parameter stability. |
| 1% Zener voltage tolerance (D suffix) | Reduces need for post-assembly trimming in precision voltage references - lowers production test time and cost. |
| Low noise density (1 µV/√Hz) | Enables use in high-resolution ADC reference buffers and low-phase-noise oscillator biasing without added filtering. |
Applications
| Avionics Power Conditioning | Test Equipment Reference Standards |
|---|---|
Use Scenario: Regulating +15 V and –15 V analog supply rails in flight control computers where voltage drift must remain < ±5 mV over –55°C to +125°C. IC Role / Device Role / Timing Role: Precision Zener reference diode providing stable bias for op-amp error amplifiers and voltage comparators. Use Value: 8.7 V nominal Zener voltage with +0.075 %/°C TC ensures predictable, monotonic drift - simplifying compensation algorithms in closed-loop regulators. | Use Scenario: Serving as primary voltage reference in portable multimeters calibrated to NIST traceable standards. IC Role / Device Role / Timing Role: Low-noise, high-stability Zener element in series-shunt reference topology feeding 24-bit delta-sigma ADCs. Use Value: 1 µV/√Hz noise density and 1% tolerance eliminate need for external trimming or averaging - preserving measurement resolution and calibration longevity. |
| Spacecraft Sensor Bias Networks | Radiation-Hardened Signal Chains |
Use Scenario: Providing bias voltage to radiation-tolerant op-amps and transimpedance amplifiers in star tracker focal plane assemblies. IC Role / Device Role / Timing Role: Hermetically sealed, metallurgically bonded Zener diode delivering stable reference under total ionizing dose (TID) > 100 krad(Si). Use Value: Inherent radiation hardness per Microsemi MicroNote 050 eliminates need for shielding or redundancy - reducing SWaP-C in payload electronics. | Use Scenario: Stabilizing gate drive voltages in rad-hard MOSFET drivers for satellite power distribution units. IC Role / Device Role / Timing Role: Low-capacitance (≈2 pF), ESD-immune Zener clamp protecting control logic inputs from transient-induced latch-up. Use Value: Non-sensitive to ESD per MIL-STD-750 Method 1020 and minimal capacitance prevent signal distortion in fast-switching gate drive paths. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4102US-1 | Same electrical specs but in DO-213AA surface-mount package; no axial leads. | Used where board space is constrained and reflow assembly is required; lacks axial mounting flexibility. | Select when automated SMT placement is mandatory and thermal pad access is available. |
| JANTXV1N4102D-1 | Identical electrical parameters but qualified to JANTXV level - includes extended environmental screening (e.g., 100% thermal cycling, 100% burn-in). | Required for mission-critical subsystems where failure probability must be < 1 FIT; adds cost and lead time. | Select only when system-level reliability requirements exceed JANTX baseline, such as in launch vehicle control systems. |
Compared with 1N4102US-1 and JANTXV1N4102D-1, the JANTX1N4102D-1 balances proven military reliability, axial-lead serviceability, and cost-effectiveness for field-replaceable analog modules in ground-based radar and electronic warfare platforms.
Availability
JANTX1N4102D-1 is available at Aetrix Electronics and suitable for avionics power conditioning, test equipment reference standards, and spacecraft sensor bias networks requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for JANTX1N4102D-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.
The JANTX1N4102D-1 belongs to Microsemi's MIL-qualified Zener diode family engineered for precision voltage regulation in harsh-environment electronics where parametric stability, radiation tolerance, and long-term reliability are non-negotiable.
FAQ
What is the Zener voltage tolerance of JANTX1N4102D-1?
The JANTX1N4102D-1 has a Zener voltage tolerance of ±1%, denoted by the "D" suffix in its part number per MIL-PRF-19500/435 nomenclature. This means its nominal 8.7 V Zener voltage falls within 8.613 V to 8.787 V at 250 mA test current and 25°C ambient. This tight tolerance reduces calibration burden in precision analog circuits and is verified during JANTX-level screening.
Is JANTX1N4102D-1 RoHS compliant?
No, JANTX1N4102D-1 is not RoHS compliant. Per the Microsemi datasheet T4-LDS-0245-2, RoHS-compliant versions (e.g., with "e3" suffix) are available only on commercial-grade parts, not on JAN, JANTX, JANTXV, or JANS qualified devices like JANTX1N4102D-1. The JANTX1N4102D-1 uses traditional tin-lead plating to meet MIL-STD-750 solderability requirements.
What is the maximum Zener current (IZM) for JANTX1N4102D-1?
The maximum Zener current (IZM) for JANTX1N4102D-1 is 6.7 mA, as specified in the Electrical Characteristics table on page 3 of the Microsemi datasheet. This value corresponds to the current at which the device dissipates its full 500 mW rating at 8.7 V, and it assumes operation at 25°C lead temperature with linear derating applied above 50°C.
Does JANTX1N4102D-1 have radiation hardness certification?
Yes, JANTX1N4102D-1 is inherently radiation hard as documented in Microsemi MicroNote 050. It exhibits robust performance under total ionizing dose (TID) exposure without requiring additional shielding or mitigation - a direct result of its metallurgically bonded glass package and silicon process. This property is confirmed for the entire 1N4099–1N4135 family, including JANTX1N4102D-1.
What is the thermal resistance junction-to-lead (RθJL) for JANTX1N4102D-1?
The thermal resistance junction-to-lead (RθJL) for JANTX1N4102D-1 is 250°C/W, measured with 3/8 inch (10 mm) lead length from the package body, per the Maximum Ratings table on page 1 of the Microsemi datasheet. This value enables accurate thermal modeling when mounted on PCBs with defined copper land patterns and is critical for ensuring safe operation under sustained power dissipation.
JANTX1N4102D-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):
- 8.7 V
- Tolerance:
- ±1%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 200 Ohms
- Current - Reverse Leakage @ Vr:
- 500 nA @ 6.7 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)
JANTX1N4102D-1 FAQ
1.How can I place an order for JANTX1N4102D-1 through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTX1N4102D-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 JANTX1N4102D-1 reliable?
The price and inventory of JANTX1N4102D-1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTX1N4102D-1 is usually 5 days.
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Once your JANTX1N4102D-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 JANTX1N4102D-1?
For technical support, including JANTX1N4102D-1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTX1N4102D-1 requirements.
6.How does Aetrix verify that JANTX1N4102D-1 is sourced from the original manufacturer or authorized distributors?
All JANTX1N4102D-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 JANTX1N4102D-1 meets industry standards.
7.What is the process for return or replacement of JANTX1N4102D-1?
All JANTX1N4102D-1 units undergo pre-shipment inspection (PSI). If there is an issue with JANTX1N4102D-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 JANTX1N4102D-1 part is unused and in its original packaging.
Return procedure for JANTX1N4102D-1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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