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Microchip Technology JANTX1N4131C-1/TR
- Part No.:
- JANTX1N4131C-1/TR
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANTX1N4131C-1/TR.pdf
- Description:
- DIODE ZENER 75V 500MW DO204AH
- Quantity:
- Payment:
- Shipping:
Inventory:8,902
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Product details
Overview
JANTX1N4131C-1/TR from Microsemi is a 75 V, 2% tolerance, 500 mW metallurgically bonded glass Zener diode in DO-35 package, qualified to JANTX level per MIL-PRF-19500/435 for high-reliability voltage regulation in aerospace and defense power supplies.
For engineers reviewing the JANTX1N4131C-1/TR datasheet, JANTX1N4131C-1/TR pinout, JANTX1N4131C-1/TR application, or JANTX1N4131C-1/TR equivalent, key selection criteria include Zener voltage accuracy (±2%), low noise density (1 µV/√Hz), radiation hardness, and hermetic DO-35 packaging for stable operation across -65°C to +175°C.
Technical Context
This device operates as a precision shunt voltage regulator with a nominal Zener voltage of 75 V at 250 mA test current, exhibiting 700 Ω dynamic impedance at IZT and ≤0.01 µA reverse leakage at VR = 60 V. Its metallurgical bond construction ensures low thermal resistance (RθJL = 250°C/W) and stable regulation over wide temperature and current ranges.
Designed for high-reliability environments, JANTX1N4131C-1/TR features a positive temperature coefficient (+0.100%/°C), minimal capacitance (~5.1 pF), and immunity to ESD per MIL-STD-750 Method 1020 - enabling use in regulated power rails where long-term stability and radiation tolerance are critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 75 V ±2% at 250 mA - enables precise reference generation for 72–78 V supply rails |
| Power Dissipation | 500 mW @ 25°C - supports continuous regulation in compact axial-leaded layouts |
| Dynamic Impedance (ZZT) | 700 Ω max at 250 mA - ensures stable output under load transients |
| Noise Density | 1 µV/√Hz - critical for low-noise analog references and precision instrumentation |
| Reverse Leakage (IR) | ≤0.01 µA @ 60 V - guarantees minimal standby current in high-impedance bias networks |
| Temp Coefficient (αVZ) | +0.100 %/°C - predictable drift behavior simplifies thermal compensation design |
| Junction Temp Range | -65°C to +175°C - validated for extended operation in avionics and space-grade systems |
Pinout & Package
DO-35 (DO-204AH) hermetically sealed axial-leaded glass package with cathode indicated by band; banded end is positive during Zener regulation. Weight ≈ 0.2 g; lead length 25.4–38.1 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current sink during forward conduction; grounded node in shunt regulation | Connected to system ground or low-impedance return path for stable reference potential |
| Cathode | Regulated output node during reverse breakdown | Banded terminal - must be held at higher potential than anode to activate Zener action |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/435 JANTX qualification | Validated reliability for aerospace and defense programs requiring traceable lot data and screening |
| Metallurgical bond construction | Eliminates interfacial delamination risk under thermal cycling and mechanical shock |
| Hermetic glass DO-35 package | Prevents moisture ingress and parameter drift over 20+ year service life in harsh environments |
| Radiation hardness | Inherently tolerant to total ionizing dose (TID) per Microsemi MicroNote 050 - no derating needed for LEO missions |
| Low capacitance (5.1 pF) | Minimizes high-frequency coupling in RF bias networks and fast-switching power control loops |
Applications
| Avionics Power Reference | Satellite Bus Regulation |
|---|---|
Use Scenario: Providing stable 75 V reference for ADC biasing and sensor excitation in flight control computers. IC Role / Device Role / Timing Role: Shunt voltage reference maintaining accuracy across -55°C to +125°C operational range. Use Value: ±2% tolerance and +0.100%/°C TC ensure <±0.5% total error over full temp range without calibration. | Use Scenario: Regulating secondary bus voltage in LEO satellite power distribution units exposed to radiation. IC Role / Device Role / Timing Role: Radiation-hardened Zener clamp protecting downstream DC-DC converters from overvoltage events. Use Value: Inherent TID tolerance eliminates need for shielding or redundant regulation, reducing SWaP-C. |
| Ground-Based Radar Bias | Nuclear Instrumentation Supply |
Use Scenario: Generating stable high-voltage bias for GaN RF amplifier stages in phased-array radar transceivers. IC Role / Device Role / Timing Role: Precision shunt regulator delivering low-noise 75 V rail with <1 µV/√Hz noise floor. Use Value: Ultra-low noise density preserves signal integrity in sensitive receiver front-ends. | Use Scenario: Supplying calibrated high-voltage bias to Geiger-Müller tubes in radiation monitoring equipment. IC Role / Device Role / Timing Role: Temperature-stable reference ensuring consistent pulse amplitude discrimination across ambient shifts. Use Value: Predictable +0.100%/°C drift allows single-point calibration over full operating range (-65°C to +175°C). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4131US-1 | Same Zener voltage and tolerance, but in surface-mount DO-213AA package; no JANTX qualification | Lacks MIL-PRF-19500 screening - suitable only for commercial industrial designs | Select when board space is constrained and military reliability is not required |
| JAN1N4131C-1 | Identical electrical specs and DO-35 package, but qualified only to JAN level (less stringent screening than JANTX) | Lower cost and shorter lead time, but not approved for mission-critical flight hardware | Select for non-flight prototype builds or ground-test equipment where full JANTX screening is unnecessary |
Compared with JANTX1N4131C-1/TR, 1N4131US-1 trades hermetic axial packaging and MIL qualification for SMT compatibility, while JAN1N4131C-1 retains the same DO-35 form factor but omits JANTX-level environmental and life testing - making it viable for lower-tier reliability requirements.
Availability
JANTX1N4131C-1/TR is available at Aetrix Electronics and suitable for avionics power reference, satellite bus regulation, and nuclear instrumentation supply requiring stable component supply with full traceability and long-term obsolescence management.
Supply support for JANTX1N4131C-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.
JANTX1N4131C-1/TR belongs to Microsemi's legacy MIL-qualified Zener diode family, engineered specifically for voltage regulation in mission-critical systems where radiation tolerance, hermetic sealing, and extended temperature operation are mandatory.
FAQ
What is the Zener voltage tolerance of JANTX1N4131C-1/TR?
JANTX1N4131C-1/TR has a Zener voltage tolerance of ±2%, denoted by the "C" suffix in its part number per Microsemi's nomenclature. This means its actual breakdown voltage falls within 73.5 V to 76.5 V at 250 mA test current and 25°C, supporting precision regulation in high-reliability power systems where tight voltage control is essential.
Is JANTX1N4131C-1/TR RoHS compliant?
No, JANTX1N4131C-1/TR is not RoHS compliant. Per Microsemi documentation, RoHS-compliant versions (e.g., with "e3" suffix) are available only for commercial-grade parts, not for JANTX-qualified devices. The JANTX1N4131C-1/TR uses traditional tin-lead plating to meet MIL-STD-750 solderability requirements and maintain legacy qualification integrity.
What does the "TR" suffix indicate in JANTX1N4131C-1/TR?
The "TR" suffix in JANTX1N4131C-1/TR indicates tape-and-reel packaging per EIA-296 standard, enabling automated pick-and-place assembly. This format is standard for volume production and supports consistent feeding in high-throughput SMT lines while preserving the device's JANTX-level reliability screening and traceability.
How is the polarity marked on JANTX1N4131C-1/TR?
JANTX1N4131C-1/TR uses a cathode band marking on the glass body to indicate polarity: the banded end is the cathode and must be held at a higher potential than the anode to achieve Zener regulation. During forward bias, the device conducts with ~1.1 V drop at 200 mA - consistent with standard silicon diode behavior.
What is the maximum Zener current rating for JANTX1N4131C-1/TR?
The maximum Zener current (IZM) for JANTX1N4131C-1/TR is 57.0 mA at 25°C, calculated from its 500 mW power rating and 75 V nominal Zener voltage. Derating begins linearly above 50°C ambient or lead temperature, reaching zero dissipation at 175°C - a critical constraint for thermal design in enclosed avionics enclosures.
JANTX1N4131C-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:
- ±2%
- 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)
JANTX1N4131C-1/TR FAQ
1.How can I place an order for JANTX1N4131C-1/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTX1N4131C-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 JANTX1N4131C-1/TR reliable?
The price and inventory of JANTX1N4131C-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 JANTX1N4131C-1/TR is usually 5 days.
3.What payment methods are accepted for JANTX1N4131C-1/TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTX1N4131C-1/TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTX1N4131C-1/TR?
JANTX1N4131C-1/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTX1N4131C-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 JANTX1N4131C-1/TR?
For technical support, including JANTX1N4131C-1/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTX1N4131C-1/TR requirements.
6.How does Aetrix verify that JANTX1N4131C-1/TR is sourced from the original manufacturer or authorized distributors?
All JANTX1N4131C-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 JANTX1N4131C-1/TR meets industry standards.
7.What is the process for return or replacement of JANTX1N4131C-1/TR?
All JANTX1N4131C-1/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANTX1N4131C-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 JANTX1N4131C-1/TR part is unused and in its original packaging.
Return procedure for JANTX1N4131C-1/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTX1N4131C-1/TR Tags
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