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Microchip Technology JANTX1N4127C-1/TR
- Part No.:
- JANTX1N4127C-1/TR
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANTX1N4127C-1/TR.pdf
- Description:
- DIODE ZENER 56V 500MW DO204AH
- Quantity:
- Payment:
- Shipping:
Inventory:4,839
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Product details
Overview
JANTX1N4127C-1/TR from Microsemi is a 56 V, ±2% tolerance, 500 mW metallurgically bonded glass Zener diode in DO-35 package, qualified to MIL-PRF-19500/435 JANTX level for high-reliability voltage regulation in aerospace and defense power supplies.
For engineers reviewing the JANTX1N4127C-1/TR datasheet, JANTX1N4127C-1/TR pinout, JANTX1N4127C-1/TR application, or JANTX1N4127C-1/TR equivalent, key selection factors include its 56 V nominal Zener voltage at 250 mA test current, 300 Ω maximum dynamic impedance, 0.01 µA maximum reverse leakage at 42.6 V, and -65 °C to +175 °C operating junction temperature range.
Technical Context
This device operates as a precision shunt voltage regulator with a specified Zener voltage of 56 V at IZT = 250 mA, exhibiting a temperature coefficient of +0.100 %/°C and noise density ≤1 µV/√Hz. Its metallurgical bond construction ensures stable breakdown characteristics under thermal cycling and radiation exposure.
The DO-35 axial-leaded glass package provides hermetic sealing and supports lead temperature derating from 500 mW at 25 °C to zero at 175 °C, with RθJL = 250 °C/W when mounted with 3/8″ lead length. Polarity is marked by cathode band; operation requires cathode-positive biasing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Zener Voltage | 56 V at 250 mA test current - defines regulated output voltage under standard bias condition |
| Zener Tolerance | ±2% - tighter than standard 5% grade, enabling higher accuracy reference designs |
| Power Dissipation | 500 mW at 25 °C - sets maximum continuous DC power handling before thermal derating applies |
| Dynamic Impedance | ≤300 Ω at 250 mA - determines regulation stiffness and output voltage variation under load changes |
| Reverse Leakage Current | ≤0.01 µA at 42.6 V - ensures minimal error current in high-impedance reference circuits |
| Temperature Coefficient | +0.100 %/°C - quantifies Zener voltage drift per degree Celsius above 25 °C |
| Noise Density | ≤1 µV/√Hz - critical for low-noise analog references and precision instrumentation |
Pinout & Package
DO-35 (DO-204AH) axial-leaded glass package with hermetically sealed body, tin-lead plating, and cathode indicated by colored band. Total weight ≈0.2 g; body diameter 1.42–2.29 mm, length 3.56–5.08 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current sink during forward conduction; reference node during Zener operation | Connected to system ground or lower-potential rail; must be held negative relative to cathode for regulation |
| Cathode | Current source during Zener breakdown; regulated output node | Banded end; connected to voltage to be stabilized; supplies regulated current to load |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/435 JANTX qualification | Validated reliability for aerospace and defense applications requiring extended lifetime and radiation tolerance |
| Metallurgical bond construction | Eliminates interfacial delamination risk under thermal shock and mechanical stress |
| Low noise density (≤1 µV/√Hz) | Enables use in high-resolution ADC references and low-drift analog front-ends |
| Hermetic glass DO-35 package | Prevents moisture ingress and parameter drift over decades in harsh environments |
| ±2% Zener voltage tolerance | Reduces need for external trimming in precision voltage reference circuits |
Applications
| Aerospace Power Reference | Defense System Bias Supply |
|---|---|
Use Scenario: Providing stable 56 V reference for analog-to-digital converter excitation in satellite telemetry modules. IC Role / Device Role / Timing Role: Shunt voltage reference regulating supply rail against input variations and load transients. Use Value: ±2% tolerance and ≤1 µV/√Hz noise ensure <0.05% full-scale error in 16-bit data acquisition systems. | Use Scenario: Generating precise bias voltage for RF power amplifier stages in tactical radios. IC Role / Device Role / Timing Role: Zener-regulated local supply decoupled from noisy main power bus. Use Value: Hermetic DO-35 package and JANTX qualification guarantee operation across -55 °C to +125 °C military temperature range. |
| Avionics Sensor Excitation | Radiation-Hardened Instrumentation |
Use Scenario: Supplying excitation voltage to strain-gauge bridges in flight control surface position sensors. IC Role / Device Role / Timing Role: Precision voltage source maintaining bridge balance under vibration and thermal gradients. Use Value: +0.100 %/°C tempco allows predictable compensation; metallurgical bond prevents parameter shift after 10,000 thermal cycles. | Use Scenario: Serving as primary voltage reference in nuclear reactor monitoring electronics exposed to total ionizing dose >100 krad(Si). IC Role / Device Role / Timing Role: Radiation-hardened shunt regulator maintaining calibration integrity in safety-critical analog signal chains. Use Value: Inherent radiation hardness per MicroNote 050 eliminates need for shielding or redundancy in high-dose environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| JANS1N4127C-1 | Same electrical specs but qualified to JANS (highest MIL-PRF-19500 reliability level); higher screening cost and longer lead time | Required for space-grade or mission-critical nuclear systems where burn-in and lot acceptance testing are mandated | Select JANS1N4127C-1 only when JANS-level screening documentation and traceability are contractually required |
| 1N4127C-1TR | Commercial-grade version; identical Zener parameters but no MIL qualification; RoHS-compliant plating available | Suitable for industrial test equipment or non-safety-critical avionics where cost and availability outweigh military spec needs | Choose 1N4127C-1TR for prototyping or volume production where MIL-PRF-19500 compliance is not mandated |
Compared with JANTX1N4127C-1/TR, JANS1N4127C-1 adds full lot traceability and radiation assurance for spaceflight, while 1N4127C-1TR reduces cost and lead time for commercial-grade designs without compromising Zener performance.
Availability
JANTX1N4127C-1/TR is available at Aetrix Electronics and suitable for aerospace power references, defense system bias supplies, and avionics sensor excitation requiring stable component supply across extended temperature and radiation environments.
Supply support for JANTX1N4127C-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.
The JANTX1N4127C-1/TR belongs to Microsemi's legacy MIL-qualified Zener diode family, designed specifically for precision voltage regulation in mission-critical systems where long-term stability and environmental resilience are mandatory.
FAQ
What is the Zener voltage tolerance of JANTX1N4127C-1/TR?
JANTX1N4127C-1/TR has a Zener voltage tolerance of ±2%, denoted by the "C" suffix in its part number per Microsemi's nomenclature. This tighter tolerance enables higher accuracy in voltage reference circuits compared to standard ±5% grades, and is verified per MIL-PRF-19500/435 screening requirements for the JANTX reliability level.
Does JANTX1N4127C-1/TR require derating at elevated temperatures?
Yes, JANTX1N4127C-1/TR must be derated linearly from 500 mW starting at 25 °C ambient temperature, reaching zero dissipation at 175 °C. Derating is based on thermal resistance junction-to-ambient (300 °C/W) and junction-to-lead (250 °C/W), and applies whether mounted on FR4 PCB or with specified lead length-critical for sustained operation in avionics enclosures.
What does the "TR" suffix indicate in JANTX1N4127C-1/TR?
The "TR" suffix in JANTX1N4127C-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 does not affect electrical or reliability specifications; the underlying JANTX1N4127C-1 die and DO-35 package remain unchanged.
Is JANTX1N4127C-1/TR RoHS compliant?
No, JANTX1N4127C-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 JAN, JANTX, JANTXV, or JANS qualified devices like JANTX1N4127C-1/TR, which retain traditional tin-lead plating to meet MIL-STD-750 solderability requirements.
How is polarity marked on JANTX1N4127C-1/TR?
JANTX1N4127C-1/TR uses a cathode band to indicate polarity: the banded end is the cathode and must be held positive relative to the anode for Zener regulation. This marking follows JEDEC DO-35 standards and is visible on the glass body; incorrect orientation results in forward conduction rather than voltage regulation.
JANTX1N4127C-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):
- 56 V
- Tolerance:
- ±2%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 300 Ohms
- Current - Reverse Leakage @ Vr:
- 10 nA @ 42.6 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)
JANTX1N4127C-1/TR FAQ
1.How can I place an order for JANTX1N4127C-1/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTX1N4127C-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 JANTX1N4127C-1/TR reliable?
The price and inventory of JANTX1N4127C-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 JANTX1N4127C-1/TR is usually 5 days.
3.What payment methods are accepted for JANTX1N4127C-1/TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTX1N4127C-1/TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTX1N4127C-1/TR?
JANTX1N4127C-1/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTX1N4127C-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 JANTX1N4127C-1/TR?
For technical support, including JANTX1N4127C-1/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTX1N4127C-1/TR requirements.
6.How does Aetrix verify that JANTX1N4127C-1/TR is sourced from the original manufacturer or authorized distributors?
All JANTX1N4127C-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 JANTX1N4127C-1/TR meets industry standards.
7.What is the process for return or replacement of JANTX1N4127C-1/TR?
All JANTX1N4127C-1/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANTX1N4127C-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 JANTX1N4127C-1/TR part is unused and in its original packaging.
Return procedure for JANTX1N4127C-1/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTX1N4127C-1/TR Tags
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