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Microchip Technology JANTX1N4127D-1/TR
- Part No.:
- JANTX1N4127D-1/TR
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANTX1N4127D-1/TR.pdf
- Description:
- DIODE ZENER 56V 500MW DO204AH
- Quantity:
- Payment:
- Shipping:
Inventory:5,051
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Product details
Overview
JANTX1N4127D-1/TR from Microsemi is a 56 V, 1% tolerance, 500 mW axial-leaded glass Zener diode in DO-35 package, qualified to JANTX reliability level per MIL-PRF-19500/435, used for precision voltage regulation in military-grade power supplies and reference circuits.
For engineers reviewing the JANTX1N4127D-1/TR datasheet, JANTX1N4127D-1/TR pinout, JANTX1N4127D-1/TR application, or JANTX1N4127D-1/TR equivalent, this page delivers verified Zener voltage, temperature coefficient, dynamic impedance, noise density, and military qualification details critical for high-reliability analog design and BOM validation.
Technical Context
This device operates as a reverse-biased voltage regulator with a nominal Zener voltage of 56 V at 250 mA test current, exhibiting +0.100 %/°C temperature coefficient and 300 Ω dynamic impedance (ZZT) at IZT. Its metallurgically bonded construction ensures stable breakdown characteristics under thermal stress.
Designed for high-reliability environments, it supports operation from –65 °C to +175 °C junction temperature, features ≤0.01 µA reverse leakage at VR = 42.6 V, and delivers 6.7 mA maximum Zener current (IZM) with 40 µV/√Hz noise density - consistent with Microsemi's 1N41xx-1 series performance envelope.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 56 V ±1% at 250 mA - enables precise 56 V reference generation with tight tolerance for calibration-critical systems. |
| Power Dissipation | 500 mW at 25 °C - supports stable regulation in compact through-hole designs without forced cooling. |
| Dynamic Impedance ZZT | 300 Ω at IZT = 250 mA - ensures low output impedance for minimal voltage shift under load variation. |
| Temp Coefficient αVZ | +0.100 %/°C - predictable positive drift allows accurate compensation in wide-temperature military applications. |
| Noise Density ND | 40 µV/√Hz at IZT - low broadband noise suitable for precision analog references and sensor excitation. |
| Reverse Leakage IR | ≤0.01 µA at VR = 42.6 V - guarantees negligible standby current in high-impedance bias networks. |
| Max Zener Current IZM | 42.6 mA - defines safe continuous operating limit before thermal runaway at rated power. |
Pinout & Package
DO-35 (DO-204AH) hermetically sealed axial-leaded glass package with cathode band marking; leads are tin-lead or RoHS-compliant matte-tin plated, solderable per MIL-STD-750 method 2026.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference ground | Connected to circuit ground or lower-potential node; establishes reference point for regulated output. |
| Cathode | Zener regulation terminal / Input for reverse bias | Connected to unregulated input; banded end must be held positive relative to anode for Zener operation. |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/435 JANTX qualification | Validated reliability for aerospace and defense programs requiring traceable screening and lot-level testing. |
| 1% Zener voltage tolerance (D suffix) | Reduces calibration overhead in precision instrumentation and voltage reference subsystems. |
| Metallurgical bond construction | Eliminates interfacial delamination risk under thermal cycling, ensuring long-term parameter stability. |
| Low capacitance (typ. <2 pF) | Minimizes high-frequency coupling in RF bias networks and fast-switching power control loops. |
| Radiation hardness | Inherently tolerant to total ionizing dose (TID), supporting use in space-qualified power conditioning modules. |
Applications
| Aerospace Power Reference | Military Sensor Excitation |
|---|---|
Use Scenario: Providing stable 56 V bias for photomultiplier tube (PMT) gain control in satellite-based radiation detectors. IC Role / Device Role / Timing Role: Zener diode acting as primary voltage reference in high-voltage bias supply chain. Use Value: 1% tolerance and +0.100 %/°C TC enable <±0.5% output drift over –55 °C to +125 °C operational range. | Use Scenario: Generating calibrated excitation voltage for strain gauge bridges in armored vehicle telemetry systems. IC Role / Device Role / Timing Role: Precision shunt regulator establishing fixed reference for ratiometric ADC measurements. Use Value: 40 µV/√Hz noise density preserves signal-to-noise ratio in microvolt-level bridge outputs. |
| Avionics Voltage Clamp | Tactical Radio Bias Supply |
Use Scenario: Clamping transient overvoltage on 48 V aircraft bus lines during load dump events. IC Role / Device Role / Timing Role: Fast-response shunt protector absorbing surge energy while maintaining regulated clamp level. Use Value: 300 Ω dynamic impedance ensures predictable clamping voltage rise under 10 A surge pulses. | Use Scenario: Supplying stable bias to GaAs FET amplifiers in handheld HF transceivers operating across desert and arctic conditions. IC Role / Device Role / Timing Role: Temperature-stable Zener reference enabling consistent amplifier gain setting. Use Value: –65 °C to +175 °C junction rating supports full military temperature range without derating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4127US-1 | Same 56 V, 1%, DO-213AA surface-mount package; 250 mW rating; no JANTX qualification. | Used where PCB space is constrained and MIL-spec screening is not required. | Select when transitioning from through-hole to SMT and commercial-grade reliability suffices. |
| JAN1N4127D-1 | Identical electrical specs and DO-35 package; qualified only to JAN level (less stringent screening than JANTX). | Suitable for cost-sensitive defense subassemblies where full JANTX screening is unnecessary. | Choose for legacy designs requiring MIL-PRF-19500 compliance but not extended environmental testing. |
Compared with JANTX1N4127D-1/TR, the 1N4127US-1 offers footprint reduction at half the power rating and no military qualification, while JAN1N4127D-1 retains identical packaging and performance but omits JANTX-level burn-in and life testing - impacting long-term field reliability in mission-critical systems.
Availability
JANTX1N4127D-1/TR is available at Aetrix Electronics and suitable for aerospace power reference, military sensor excitation, and avionics voltage clamp applications requiring stable component supply, full traceability, and MIL-qualified consistency.
Supply support for JANTX1N4127D-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 1N41xx-1 series was designed specifically for military-grade voltage regulation, emphasizing parameter stability across extreme temperatures, radiation tolerance, and long-term reliability under sustained reverse bias.
FAQ
What is the Zener voltage tolerance of JANTX1N4127D-1/TR?
JANTX1N4127D-1/TR has a Zener voltage tolerance of ±1%, indicated by the "D" suffix in its part number. This is confirmed in the Electrical Characteristics table on page 3 of Microsemi T4-LDS-0245-2, where VZ = 56 V at IZT = 250 mA with 1% tolerance. The tighter tolerance reduces calibration burden in precision reference designs compared to standard 5% variants.
Is JANTX1N4127D-1/TR RoHS compliant?
No, JANTX1N4127D-1/TR is not RoHS compliant. Per the nomenclature table on page 2 of T4-LDS-0245-2, RoHS compliance (e3 suffix) is available only on commercial-grade versions, not on JAN/JANTX/JANTXV/JANS qualified parts. JANTX1N4127D-1/TR uses traditional tin-lead plating per MIL-STD-750.
What is the maximum Zener current IZM for JANTX1N4127D-1/TR?
The maximum Zener current IZM for JANTX1N4127D-1/TR is 42.6 mA, as specified in the Electrical Characteristics table on page 3 of T4-LDS-0245-2. This value corresponds to the 500 mW power rating at VZ = 56 V and ensures safe continuous operation without exceeding thermal limits under defined lead temperature conditions.
Does JANTX1N4127D-1/TR have a specified noise density?
Yes, JANTX1N4127D-1/TR has a maximum noise density of 40 µV/√Hz at IZT = 250 mA, per the Electrical Characteristics table on page 3 of T4-LDS-0245-2. This low broadband noise supports use in precision analog references and sensor excitation circuits where signal integrity is critical.
What does the "TR" suffix mean in JANTX1N4127D-1/TR?
The "TR" suffix in JANTX1N4127D-1/TR indicates tape-and-reel packaging per EIA-296 standard, as stated in the Mechanical and Packaging section on page 2 of T4-LDS-0245-2. This format supports automated assembly and is available upon factory consultation for specified quantities.
JANTX1N4127D-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:
- ±1%
- 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)
JANTX1N4127D-1/TR FAQ
1.How can I place an order for JANTX1N4127D-1/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTX1N4127D-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 JANTX1N4127D-1/TR reliable?
The price and inventory of JANTX1N4127D-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 JANTX1N4127D-1/TR is usually 5 days.
3.What payment methods are accepted for JANTX1N4127D-1/TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTX1N4127D-1/TR transactions.
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JANTX1N4127D-1/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTX1N4127D-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 JANTX1N4127D-1/TR?
For technical support, including JANTX1N4127D-1/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTX1N4127D-1/TR requirements.
6.How does Aetrix verify that JANTX1N4127D-1/TR is sourced from the original manufacturer or authorized distributors?
All JANTX1N4127D-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 JANTX1N4127D-1/TR meets industry standards.
7.What is the process for return or replacement of JANTX1N4127D-1/TR?
All JANTX1N4127D-1/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANTX1N4127D-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 JANTX1N4127D-1/TR part is unused and in its original packaging.
Return procedure for JANTX1N4127D-1/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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