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Microchip Technology JANTXV1N4623C-1/TR
- Part No.:
- JANTXV1N4623C-1/TR
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANTXV1N4623C-1/TR.pdf
- Description:
- DIODE ZENER 4.3V 500MW DO204AH
- Quantity:
- Payment:
- Shipping:
Inventory:9,505
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Product details
Overview
JANTXV1N4623C-1/TR from Microsemi is a 500 mW, 4.3 V ±2% 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 JANTXV1N4623C-1/TR datasheet, JANTXV1N4623C-1/TR pinout, JANTXV1N4623C-1/TR application, or JANTXV1N4623C-1/TR equivalent, key selection criteria include Zener voltage tolerance (±2%), low noise density (1 µV/√Hz), temperature coefficient (−0.050 %/°C), and military-grade thermal derating performance up to +175 °C junction temperature.
Technical Context
This device operates as a precision shunt voltage regulator with a nominal Zener voltage of 4.3 V at 250 mA test current, exhibiting dynamic impedance of 1600 Ω at IZT and reverse leakage ≤2.0 µA at VR = 3.5 V. Its metallurgical bond construction ensures stable regulation across wide current (1–77 mA) and temperature (−65 to +175 °C) ranges.
The JANTXV1N4623C-1/TR delivers low-noise reference performance with 1 µV/√Hz noise density at 4.3 V, minimal capacitance (typical <2 pF), and inherent radiation hardness per Microsemi MicroNote 050 - critical for space-qualified analog signal conditioning and voltage reference circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 4.3 V ±2% at 250 mA - enables precise 4.3 V reference generation with tight tolerance for analog sensor biasing and ADC reference stabilization. |
| Power Dissipation | 500 mW at TC = 25 °C - supports continuous regulation in compact axial-leaded layouts with linear derating to zero at +175 °C junction temperature. |
| Dynamic Impedance ZZT | 1600 Ω at IZT = 250 mA - determines output voltage stability under load transients; lower than 1N4622-1 (1650 Ω) and higher than 1N4624-1 (1550 Ω). |
| Noise Density ND | 1 µV/√Hz - ultra-low broadband noise ideal for low-noise instrumentation references where 1/f and thermal noise must be minimized. |
| Temp Coefficient αVZ | −0.050 %/°C - negative drift compensates for positive drift in associated circuitry, enabling near-zero net drift in compensated reference designs. |
| Reverse Leakage IR | ≤2.0 µA at VR = 3.5 V - ensures minimal quiescent current draw in battery-backed or low-power standby circuits. |
Pinout & Package
DO-35 (DO-204AH) hermetically sealed axial-leaded glass package with cathode indicated by band; operated with banded end positive for Zener regulation. Weight ≈0.2 g; lead length 25.4–38.1 mm; body diameter 1.42–2.29 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Reference ground node | Connected to system ground or common return; establishes reference potential for regulated output. |
| Cathode | Zener regulation terminal | Banded end; connected to unregulated input; sinks current to maintain 4.3 V across load during regulation. |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/435 JANTXV qualification | Guarantees screening, testing, and traceability for flight-critical avionics and satellite subsystems. |
| Metallurgical bond construction | Eliminates interfacial delamination risk under thermal cycling and mechanical shock - essential for launch vibration environments. |
| 1 µV/√Hz noise density | Enables sub-millivolt RMS noise in 10 kHz bandwidth, supporting high-resolution data acquisition front-ends. |
| −65 to +175 °C operating range | Supports operation in engine bay, space vacuum, or high-temperature industrial control enclosures without derating penalties. |
Applications
| Avionics Power Conditioning | Satellite Sensor Biasing |
|---|---|
Use Scenario: Regulating reference voltage for analog-to-digital converters in flight control computers. IC Role / Device Role / Timing Role: Shunt Zener reference providing stable 4.3 V bias to ADC internal reference buffer. Use Value: ±2% tolerance and −0.050 %/°C tempco enable <±0.5% total error over −55 to +125 °C operational range. | Use Scenario: Supplying precision bias to infrared focal plane array (FPA) detector elements. IC Role / Device Role / Timing Role: Low-noise voltage clamp maintaining constant detector junction voltage under varying photocurrent loads. Use Value: 1 µV/√Hz noise density prevents signal degradation in sub-nA photocurrent measurements. |
| Missile Guidance Reference | Radiation-Hardened Instrumentation |
Use Scenario: Generating stable reference for gyroscope signal conditioning in tactical missile inertial measurement units. IC Role / Device Role / Timing Role: Primary voltage reference in closed-loop feedback path for analog gyro demodulation circuitry. Use Value: JANTXV qualification and inherent radiation hardness ensure uninterrupted regulation after 100 krad(Si) TID exposure. | Use Scenario: Providing regulated supply to radiation-monitoring dosimeter front-end amplifiers in nuclear reactor control rooms. IC Role / Device Role / Timing Role: Low-drift shunt regulator stabilizing op-amp bias rails in high-gamma environments. Use Value: Metallurgical bond and −0.050 %/°C tempco maintain <10 ppm/°C drift, critical for long-term calibration stability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4623US-1/TR | Same electrical specs but in surface-mount DO-213AA package; no axial leads. | Required for automated SMT assembly; unsuitable for through-hole prototyping or manual repair. | Select when board space is constrained and reflow compatibility is mandatory. |
| JANTXV1N4622C-1/TR | 4.3 V replaced by 3.9 V nominal Zener voltage; identical ±2% tolerance, 1650 Ω ZZT, and −0.060 %/°C tempco. | Used where 3.9 V reference is specified in legacy schematics or matched to comparator thresholds. | Choose only if circuit design explicitly requires 3.9 V; not a drop-in replacement for 4.3 V systems. |
Compared with JANTXV1N4623C-1/TR, the 1N4623US-1/TR offers identical regulation performance in a smaller footprint but eliminates manual lead-forming flexibility, while JANTXV1N4622C-1/TR provides a lower-voltage alternative with matching reliability and noise performance but requires schematic-level voltage revision.
Availability
JANTXV1N4623C-1/TR is available at Aetrix Electronics and suitable for avionics power conditioning, satellite sensor biasing, missile guidance reference, and radiation-hardened instrumentation requiring stable component supply across extended temperature and radiation environments.
Supply support for JANTXV1N4623C-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-tolerant, and military-qualified components for aerospace, defense, and industrial markets.
The JANTXV1N4623C-1/TR belongs to Microsemi's legacy 1N46xx-1 series of metallurgically bonded Zener diodes, designed specifically for precision voltage reference and regulation in mission-critical systems where long-term stability and environmental survivability are non-negotiable.
FAQ
What is the Zener voltage tolerance of JANTXV1N4623C-1/TR?
JANTXV1N4623C-1/TR has a Zener voltage tolerance of ±2%, denoted by the "C" suffix in its nomenclature. This means its nominal 4.3 V Zener voltage falls within 4.214 V to 4.386 V at 250 mA test current and 25 °C ambient, meeting MIL-PRF-19500/435 requirements for JANTXV-level devices.
Does JANTXV1N4623C-1/TR require heatsinking in standard operation?
No, JANTXV1N4623C-1/TR does not require external heatsinking under typical conditions. With a thermal resistance of 250 °C/W junction-to-lead (RθJL) and 500 mW rated power, it remains within safe junction temperature limits up to +175 °C when mounted with ≥10 mm lead length from body on standard PCBs.
Is JANTXV1N4623C-1/TR RoHS compliant?
No, JANTXV1N4623C-1/TR is not RoHS compliant. The "e3" RoHS designation applies only to commercial-grade versions (e.g., 1N4623C-1e3); military-spec JANTXV parts retain tin-lead plating per MIL-STD-750 and are exempt from RoHS restrictions.
What is the maximum reverse leakage current for JANTXV1N4623C-1/TR?
The maximum reverse leakage current (IR) for JANTXV1N4623C-1/TR is 2.0 µA at VR = 3.5 V and 25 °C. This low leakage supports energy-efficient operation in battery-powered or standby-mode circuits where quiescent current must remain below microampere thresholds.
How does the temperature coefficient of JANTXV1N4623C-1/TR affect circuit stability?
JANTXV1N4623C-1/TR has a temperature coefficient of −0.050 %/°C, meaning its Zener voltage decreases by 2.15 mV per °C rise. This predictable negative drift allows designers to compensate for positive drift in associated op-amps or sensors, achieving near-zero net reference drift over wide temperature ranges.
JANTXV1N4623C-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):
- 4.3 V
- Tolerance:
- ±2%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 1600 Ohms
- Current - Reverse Leakage @ Vr:
- 2 µA @ 2 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)
JANTXV1N4623C-1/TR FAQ
1.How can I place an order for JANTXV1N4623C-1/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTXV1N4623C-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 JANTXV1N4623C-1/TR reliable?
The price and inventory of JANTXV1N4623C-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 JANTXV1N4623C-1/TR is usually 5 days.
3.What payment methods are accepted for JANTXV1N4623C-1/TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTXV1N4623C-1/TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTXV1N4623C-1/TR?
JANTXV1N4623C-1/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTXV1N4623C-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 JANTXV1N4623C-1/TR?
For technical support, including JANTXV1N4623C-1/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTXV1N4623C-1/TR requirements.
6.How does Aetrix verify that JANTXV1N4623C-1/TR is sourced from the original manufacturer or authorized distributors?
All JANTXV1N4623C-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 JANTXV1N4623C-1/TR meets industry standards.
7.What is the process for return or replacement of JANTXV1N4623C-1/TR?
All JANTXV1N4623C-1/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANTXV1N4623C-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 JANTXV1N4623C-1/TR part is unused and in its original packaging.
Return procedure for JANTXV1N4623C-1/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTXV1N4623C-1/TR Tags
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