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Microchip Technology JANTX1N4614-1/TR
- Part No.:
- JANTX1N4614-1/TR
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANTX1N4614-1/TR.pdf
- Description:
- DIODE ZENER 1.8V 500MW DO204AH
- Quantity:
- Payment:
- Shipping:
Inventory:4,297
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Product details
Overview
JANTX1N4614-1/TR from Microsemi is a 500 mW, 1.8 V Zener diode in DO-35 glass package, qualified to JANTX reliability level per MIL-PRF-19500/435, with ±5% voltage tolerance, 1200 Ω dynamic impedance at 250 mA test current, and -0.075 %/°C temperature coefficient - used for precision low-voltage regulation in military power supply reference circuits.
For engineers reviewing the JANTX1N4614-1/TR datasheet, JANTX1N4614-1/TR pinout, JANTX1N4614-1/TR application, or JANTX1N4614-1/TR equivalent, key selection criteria include Zener voltage accuracy at low current (IZT = 250 mA), thermal resistance (RθJL = 250 °C/W), noise density (1 µV/√Hz), hermetic DO-35 packaging, and MIL-qualified reliability grading.
Technical Context
This device operates as a reverse-biased voltage reference with metallurgically bonded junction construction, enabling stable regulation across -65 °C to +175 °C junction temperature range and low noise performance below 1 µV/√Hz at 1.8 V. Its DO-35 axial-leaded glass package supports through-hole mounting with cathode band polarity marking.
The JANTX1N4614-1/TR exhibits a negative temperature coefficient (-0.075 %/°C), linear power derating from 500 mW at 25 °C to zero at 175 °C, and maximum reverse leakage of 3.5 µA at 1.0 V - optimized for low-voltage, high-stability analog references where ESD immunity (MIL-STD-750 method 1020) and radiation hardness are required.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 1.8 V at IZT = 250 mA - defines precise low-voltage regulation point for biasing and reference circuits |
| Power Dissipation | 500 mW @ TL = 25 °C - sets maximum continuous DC power handling before thermal derating begins |
| Dynamic Impedance ZZT | 1200 Ω @ IZT = 250 mA - indicates voltage regulation stiffness under varying load current |
| Temp. Coefficient αVZ | -0.075 %/°C - quantifies drift direction and magnitude over operating temperature range |
| Noise Density ND | 1 µV/√Hz @ IZT - specifies low-frequency noise floor critical for precision analog references |
| Reverse Leakage IR | 3.5 µA @ VR = 1.0 V - determines minimum off-state current in series-shunt regulator topologies |
| Junction Temp. Range | -65 °C to +175 °C - enables operation in extended environmental conditions including aerospace and defense platforms |
Pinout & Package
DO-35 (DO-204AH) hermetically sealed axial-leaded glass package with cathode indicated by colored band; leads are tin-lead or RoHS-compliant matte-tin plated and solderable per MIL-STD-750 method 2026.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential node in Zener configuration; carries forward current up to 200 mA |
| Cathode (banded end) | Zener regulation terminal | Connected to higher-potential node; maintains regulated 1.8 V drop when reverse biased above breakdown |
Key Features
| Feature | Design Value |
|---|---|
| Metallurgical bond construction | Enables high-reliability operation and radiation hardness per Microsemi MicroNote 050 without encapsulation degradation |
| MIL-PRF-19500/435 JANTX qualification | Guarantees screening, testing, and traceability for defense/aerospace applications requiring assured quality and lot control |
| Low noise density (1 µV/√Hz) | Supports ultra-low-noise voltage references in precision instrumentation and ADC/DAC bias networks |
| Hermetic DO-35 glass package | Provides long-term stability and moisture resistance superior to plastic-packaged Zeners in harsh environments |
| ESD immunity (MIL-STD-750 method 1020) | Eliminates need for external protection in handling and assembly, reducing BOM count in ruggedized systems |
Applications
| Avionics Power Reference | Military Radio Bias Network |
|---|---|
Use Scenario: Regulating 1.8 V reference for analog front-end circuitry in airborne transceivers operating across -55 °C to +125 °C ambient. IC Role / Device Role / Timing Role: Zener diode providing stable shunt reference voltage for op-amp input stages and sensor signal conditioning. Use Value: Maintains <±2% output variation over full temperature and current range due to low αVZ and hermetic packaging. | Use Scenario: Establishing fixed bias point for RF power amplifier transistors in manpack radios exposed to vibration and thermal cycling. IC Role / Device Role / Timing Role: Low-noise voltage clamp ensuring consistent transistor operating point despite supply ripple and temperature shifts. Use Value: Delivers 1 µV/√Hz noise floor and <3.5 µA leakage, minimizing distortion and gain drift in sensitive RF stages. |
| Satellite Payload Sensor Interface | Tactical Data Link Voltage Reference |
Use Scenario: Supplying calibrated reference for radiation-hardened ADCs monitoring spacecraft telemetry sensors. IC Role / Device Role / Timing Role: Precision shunt regulator maintaining stable excitation voltage for bridge-based strain and temperature sensors. Use Value: Inherent radiation hardness and -65 °C to +175 °C operation ensure uninterrupted functionality in LEO orbit environments. | Use Scenario: Generating stable 1.8 V rail for FPGA I/O banks and SerDes termination in encrypted battlefield data links. IC Role / Device Role / Timing Role: Low-impedance voltage reference source for digital logic supply stabilization under transient load conditions. Use Value: 1200 Ω ZZT and 500 mW rating enable robust regulation during burst-mode transmission current spikes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4614US-1 | Same electrical specs but in DO-213AA surface-mount package; no axial leads | Requires SMT reflow process; unsuitable for through-hole prototyping or high-vibration mechanical retention | Select when board space is constrained and automated assembly is used |
| JAN1N4614-1 | Identical electrical and mechanical specs but qualified only to JAN level (less stringent screening than JANTX) | Approved for less demanding military programs; not cleared for flight-critical avionics or satellite use | Select when full JANTX reliability testing is not contractually required |
Compared with JANTX1N4614-1/TR, the 1N4614US-1 offers identical regulation performance in a compact SMT form factor, while the JAN1N4614-1 provides cost savings where JANTX-level screening is unnecessary - both require validation of thermal management and PCB layout compatibility.
Availability
JANTX1N4614-1/TR is available at Aetrix Electronics and suitable for avionics power reference, military radio bias network, and satellite payload sensor interface applications requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for JANTX1N4614-1/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) designs high-reliability analog and mixed-signal semiconductors for aerospace, defense, and industrial markets.
The 1N4614-1 series belongs to Microsemi's MIL-qualified Zener diode product line, engineered specifically for precision voltage regulation in mission-critical systems where stability, radiation tolerance, and long-term reliability are mandatory.
FAQ
What is the Zener voltage tolerance for JANTX1N4614-1/TR?
The JANTX1N4614-1/TR has a nominal Zener voltage of 1.8 V with a standard tolerance of ±5%, as defined by JEDEC registration and confirmed in the Electrical Characteristics table on page 3 of T4-LDS-0245-2. This tolerance applies under thermal equilibrium at 25 °C with IZT = 250 mA.
Is JANTX1N4614-1/TR RoHS compliant?
No, JANTX1N4614-1/TR is not RoHS compliant. Per the nomenclature guide on page 2, the "e3" suffix denotes RoHS compliance, which is available only on commercial-grade versions. JANTX1N4614-1/TR retains tin-lead plating per MIL-STD-750 and is intended for legacy military/aerospace applications requiring Pb-based solder compatibility.
What is the maximum reverse leakage current for JANTX1N4614-1/TR?
The maximum reverse leakage current for JANTX1N4614-1/TR is 3.5 µA at VR = 1.0 V, as specified in the Electrical Characteristics table on page 3. This value is measured at 25 °C and reflects the device's ability to maintain high impedance in the pre-breakdown region.
Does JANTX1N4614-1/TR have radiation hardness certification?
Yes, JANTX1N4614-1/TR is inherently radiation hard as described in Microsemi MicroNote 050. Its metallurgically bonded construction and hermetic DO-35 package provide proven resilience against total ionizing dose (TID) and single-event effects, making it suitable for satellite and high-altitude avionics applications.
What is the thermal resistance from junction to lead for JANTX1N4614-1/TR?
The thermal resistance from junction to lead (RθJL) for JANTX1N4614-1/TR is 250 °C/W, measured with 3/8 inch (10 mm) lead length from body, as stated in the Maximum Ratings table on page 1. This parameter governs heat dissipation capability in lead-mounted configurations.
JANTX1N4614-1/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):
- 1.8 V
- Tolerance:
- ±5%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 1200 Ohms
- Current - Reverse Leakage @ Vr:
- 3.5 µA @ 1 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)
JANTX1N4614-1/TR FAQ
1.How can I place an order for JANTX1N4614-1/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTX1N4614-1/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 JANTX1N4614-1/TR reliable?
The price and inventory of JANTX1N4614-1/TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTX1N4614-1/TR is usually 5 days.
3.What payment methods are accepted for JANTX1N4614-1/TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTX1N4614-1/TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTX1N4614-1/TR?
JANTX1N4614-1/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTX1N4614-1/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 JANTX1N4614-1/TR?
For technical support, including JANTX1N4614-1/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTX1N4614-1/TR requirements.
6.How does Aetrix verify that JANTX1N4614-1/TR is sourced from the original manufacturer or authorized distributors?
All JANTX1N4614-1/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 JANTX1N4614-1/TR meets industry standards.
7.What is the process for return or replacement of JANTX1N4614-1/TR?
All JANTX1N4614-1/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANTX1N4614-1/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 JANTX1N4614-1/TR part is unused and in its original packaging.
Return procedure for JANTX1N4614-1/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTX1N4614-1/TR Tags
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