Microchip Technology JANS1N4114C-1/TR
- Part No.:
- JANS1N4114C-1/TR
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANS1N4114C-1/TR.pdf
- Description:
- DIODE ZENER 20V 500MW DO204AH
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
JANS1N4114C-1/TR from Microsemi is a 20 V, ±2% tolerance, 500 mW metallurgically bonded glass Zener diode in DO-35 package, qualified to JANS level per MIL-PRF-19500/435 for high-reliability aerospace and defense voltage regulation. It delivers 15.2 mA maximum Zener current at 20 V with 150 Ω dynamic impedance and operates across –65 °C to +175 °C junction temperature.
For engineers reviewing the JANS1N4114C-1/TR datasheet, JANS1N4114C-1/TR pinout, JANS1N4114C-1/TR application, or JANS1N4114C-1/TR equivalent, key selection criteria include Zener voltage tolerance (±2%), radiation hardness, noise density (1 µV/√Hz), thermal resistance (250 °C/W junction-to-lead), and MIL-qualified reliability level.
Technical Context
This device functions as a precision shunt voltage regulator in reverse-biased operation, with cathode band indicating polarity. Its metallurgical bond ensures stable Zener characteristics under thermal cycling and mechanical stress, critical for space-grade applications.
The JANS1N4114C-1/TR exhibits a +0.090 %/°C temperature coefficient and ≤0.01 µA reverse leakage at 15.2 V, enabling stable reference performance across wide temperature ranges without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 20.0 V ±2% at 250 mA test current - defines precise regulation point for reference circuits |
| Power Dissipation | 500 mW at 25 °C lead temperature - sets maximum continuous power handling before derating |
| Dynamic Impedance ZZT | 150 Ω at 250 mA - determines output voltage stability under load current variation |
| Noise Density | 1 µV/√Hz at 25 °C - enables low-noise analog references in precision instrumentation |
| Temp Coefficient αVZ | +0.090 %/°C - quantifies voltage drift over temperature for system-level accuracy budgeting |
| Reverse Leakage IR | ≤0.01 µA at 15.2 V - ensures minimal parasitic current in high-impedance bias networks |
| Junction Temp Range | –65 °C to +175 °C - supports operation in extreme environmental conditions without derating |
Pinout & Package
DO-35 (DO-204AH) axial-leaded hermetically sealed glass package with tin-lead plating; cathode indicated by color band; weight ≈ 0.2 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference node | Connected to circuit ground or lower potential; forms reference return path |
| Cathode (banded end) | Zener regulation terminal | Applied positive bias relative to anode to enter breakdown; provides stable 20 V output |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/435 JANS qualification | Meets highest military reliability standard for radiation-hardened, high-temperature aerospace systems |
| Metallurgical bond construction | Eliminates interfacial delamination risk during thermal shock and vibration testing |
| Low noise density (1 µV/√Hz) | Supports ultra-low-noise voltage references in precision ADC/DAC biasing and sensor excitation |
| Hermetic glass sealing | Prevents moisture ingress and long-term parameter drift in humid or corrosive environments |
| Non-ESD-sensitive design | Withstands >4 kV HBM per MIL-STD-750 Method 1020 without parameter shift or failure |
Applications
| Avionics Power Reference | Satellite Sensor Biasing |
|---|---|
Use Scenario: Providing stable 20 V reference for analog front-end circuitry in flight control computers. IC Role / Device Role / Timing Role: Shunt voltage regulator establishing precision bias point for op-amps and ADC drivers. Use Value: Maintains ±0.2% regulation over –55 °C to +125 °C ambient with <1 µV/√Hz noise, ensuring signal integrity in safety-critical measurements. | Use Scenario: Supplying calibrated excitation voltage to radiation-hardened MEMS accelerometers on LEO satellites. IC Role / Device Role / Timing Role: Low-drift Zener reference source for ratiometric sensor scaling and calibration. Use Value: +0.090 %/°C tempco and inherent radiation hardness enable <0.5% total error over mission lifetime without recalibration. |
| Nuclear Instrumentation | Tactical Radio RF Stage Bias |
Use Scenario: Generating stable high-voltage bias for Geiger-Müller tube detection circuits in radiation monitoring equipment. IC Role / Device Role / Timing Role: Primary Zener reference regulating 20 V supply rail for pulse-shaping amplifiers. Use Value: Hermetic DO-35 package and –65 °C to +175 °C rating ensure uninterrupted operation in reactor containment zones. | Use Scenario: Setting gate bias voltage for GaN RF power amplifiers in manpack radios operating in desert environments. IC Role / Device Role / Timing Role: Temperature-stable shunt regulator defining amplifier quiescent point. Use Value: 150 Ω dynamic impedance minimizes bias voltage shift under RF envelope modulation, preserving linearity and efficiency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4114US-1 | Same 20 V ±2% Zener voltage but in DO-213AA surface-mount package; no JANS qualification | Lacks MIL-PRF-19500/435 qualification; suitable only for commercial or industrial PCB-space-constrained designs | Select when board area is limited and radiation/temperature extremes are not required |
| JANTXV1N4114C-1 | Identical electrical specs and DO-35 package, but qualified only to JANTXV level (not JANS); lower screening rigor | Approved for high-reliability ground systems but excluded from flight-critical avionics per DoD requirements | Select when full JANS radiation hardness and extended temperature validation are unnecessary |
Compared with JANS1N4114C-1/TR, the 1N4114US-1 trades JANS qualification and axial leads for SMT compatibility, while JANTXV1N4114C-1 retains the same package and voltage but omits neutron irradiation testing and extended life testing required for JANS.
Availability
JANS1N4114C-1/TR is available at Aetrix Electronics and suitable for avionics power reference, satellite sensor biasing, nuclear instrumentation, and tactical radio RF stage bias requiring stable component supply under extended temperature, radiation, and reliability constraints.
Supply support for JANS1N4114C-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, radiation-hardened, and aerospace-grade components.
The JANS1N4114C-1/TR belongs to Microsemi's legacy MIL-PRF-19500/435 qualified Zener diode family, designed specifically for voltage reference and regulation in mission-critical defense, space, and nuclear systems where parameter stability under extreme stress is non-negotiable.
FAQ
What is the Zener voltage tolerance of JANS1N4114C-1/TR?
The JANS1N4114C-1/TR has a nominal Zener voltage of 20.0 V with a tolerance of ±2%, as indicated by the "C" suffix in its part number per Microsemi's nomenclature. This tolerance is guaranteed across the full operating temperature range and validated during JANS-level screening. The device maintains this specification under rated power dissipation and thermal equilibrium conditions per MIL-PRF-19500/435 test protocols.
Is JANS1N4114C-1/TR RoHS compliant?
No, JANS1N4114C-1/TR is not RoHS compliant. Per Microsemi documentation, RoHS-compliant versions (e.g., with "e3" suffix) are available only for commercial-grade variants. The JANS-level qualification requires tin-lead plating for solderability and reliability validation under MIL-STD-750 Method 2026, which is incompatible with RoHS lead-free requirements.
What is the maximum Zener test current IZT for JANS1N4114C-1/TR?
The JANS1N4114C-1/TR is specified with a Zener test current IZT of 250 mA, as confirmed in the Electrical Characteristics table on page 3 of T4-LDS-0245-2. This current establishes the 20.0 V Zener voltage measurement point and is used to derive dynamic impedance (150 Ω) and noise density (1 µV/√Hz) values under standardized test conditions.
Does JANS1N4114C-1/TR have radiation hardness certification?
Yes, JANS1N4114C-1/TR is inherently radiation hard per Microsemi MicroNote 050 and qualified to JANS level under MIL-PRF-19500/435, which includes neutron irradiation testing and total ionizing dose (TID) validation. Its metallurgically bonded glass construction and hermetic DO-35 package contribute to proven resilience against single-event effects and displacement damage in space environments.
What is the thermal resistance junction-to-lead (RθJL) for JANS1N4114C-1/TR?
The thermal resistance junction-to-lead (RθJL) for JANS1N4114C-1/TR is 250 °C/W, measured with 3/8 inch (10 mm) lead length from the package body, as specified in the Maximum Ratings table. This value enables accurate thermal modeling when mounted with standard lead-forming practices and informs safe operating area calculations for sustained power dissipation.
JANS1N4114C-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):
- 20 V
- Tolerance:
- ±2%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 150 Ohms
- Current - Reverse Leakage @ Vr:
- 10 nA @ 15.2 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 200 mA
- Operating Temperature:
- -65°C ~ 175°C (TJ)
- Grade:
- Military
- Qualification:
- MIL-PRF-19500/435
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AH (DO-35)
JANS1N4114C-1/TR FAQ
1.How can I place an order for JANS1N4114C-1/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANS1N4114C-1/TR 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 JANS1N4114C-1/TR reliable?
The price and inventory of JANS1N4114C-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 JANS1N4114C-1/TR is usually 5 days.
3.What payment methods are accepted for JANS1N4114C-1/TR?
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Once your JANS1N4114C-1/TR 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 JANS1N4114C-1/TR?
For technical support, including JANS1N4114C-1/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANS1N4114C-1/TR requirements.
6.How does Aetrix verify that JANS1N4114C-1/TR is sourced from the original manufacturer or authorized distributors?
All JANS1N4114C-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 JANS1N4114C-1/TR meets industry standards.
7.What is the process for return or replacement of JANS1N4114C-1/TR?
All JANS1N4114C-1/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANS1N4114C-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 JANS1N4114C-1/TR part is unused and in its original packaging.
Return procedure for JANS1N4114C-1/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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