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Microchip Technology JANTX1N4134D-1
- Part No.:
- JANTX1N4134D-1
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANTX1N4134D-1.pdf
- Description:
- DIODE ZENER 91V 500MW DO204AH
- Quantity:
- Payment:
- Shipping:
Inventory:5,278
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Product details
Overview
JANTX1N4134D-1 from Microsemi is a 500 mW, 91 V, ±1% tolerance 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 JANTX1N4134D-1 datasheet, JANTX1N4134D-1 pinout, JANTX1N4134D-1 application, or JANTX1N4134D-1 equivalent, key selection criteria include Zener voltage accuracy (±1%), low noise density (1 µV/√Hz), radiation hardness, hermetic DO-35 packaging, and MIL-spec thermal derating behavior.
Technical Context
This device operates as a precision shunt voltage regulator with a nominal Zener voltage of 91 V at 250 mA test current, exhibiting a positive temperature coefficient of +0.100 %/°C and dynamic impedance of 1200 Ω at IZT. Its metallurgical bond construction ensures stable breakdown characteristics under thermal cycling and radiation exposure.
Designed for operation in the reverse-biased breakdown region, JANTX1N4134D-1 maintains regulation across wide current ranges (IZK to IZM = 40 mA) and temperatures (–65 °C to +175 °C), with leakage current limited to ≤0.01 µA at VR = 73 V and noise density specified at 1 µV/√Hz - among the lowest in the 1N41xx-1 series above 6.8 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 91 V ±1% at 250 mA - enables precise reference generation for high-voltage feedback loops |
| Power Dissipation | 500 mW at 25 °C, linearly derated to zero at 175 °C - defines maximum continuous thermal load on PCB |
| Zener Impedance ZZT | 1200 Ω at 250 mA - determines output voltage stability under varying load current |
| Noise Density ND | 1 µV/√Hz - critical for low-noise analog references and precision instrumentation |
| Reverse Leakage IR | ≤0.01 µA at 73 V - ensures minimal quiescent current in standby regulation circuits |
| Temp Coefficient αVZ | +0.100 %/°C - quantifies voltage drift over operating temperature range |
| Junction Temp Range | –65 °C to +175 °C - supports operation in extreme environmental conditions |
Pinout & Package
DO-35 (DO-204AH) axial-leaded hermetically sealed glass package; cathode indicated by band; banded end is anode when used as Zener regulator (cathode connected to higher potential).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (banded end) | Reference ground node | Connected to circuit common; establishes reference point for regulated voltage at cathode |
| Cathode (unbanded end) | Regulated output node | Provides stable 91 V relative to anode; must be biased positive w.r.t. anode for Zener conduction |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/435 JANTX qualification | Validated reliability for aerospace and defense systems requiring extended lifetime and radiation tolerance |
| Metallurgical bond construction | Eliminates interfacial delamination risk under thermal shock and mechanical stress |
| 1 µV/√Hz noise density | Enables use in ultra-low-noise voltage references where signal integrity is critical |
| Hermetic DO-35 glass package | Prevents moisture ingress and long-term parameter drift in humid or corrosive environments |
| ±1% Zener voltage tolerance (D suffix) | Reduces need for external trimming in high-accuracy power supply feedback networks |
Applications
| Avionics Power Regulation | Satellite DC-DC Converter Reference |
|---|---|
Use Scenario: Regulating 91 V bus in airborne radar transmitter power supplies subject to wide temperature swings and vibration. IC Role / Device Role / Timing Role: Shunt voltage reference providing stable feedback to PWM controller ICs. Use Value: JANTX1N4134D-1's ±1% tolerance and +0.100 %/°C TC ensure <±3% total error over –55 °C to +125 °C, meeting DO-160 Section 22 requirements. | Use Scenario: Precision voltage reference in radiation-hardened DC-DC converters aboard LEO satellites. IC Role / Device Role / Timing Role: Primary Zener reference for isolated flyback feedback path. Use Value: Inherent radiation hardness per MicroNote 050 and hermetic DO-35 packaging eliminate single-event burnout risk and parametric shift in 100 krad(Si) environments. |
| Ground-Based Radar Bias Supply | Tactical Radio Transmitter Protection |
Use Scenario: Stabilizing high-voltage bias rails (85–95 V) for TWT amplifier stages in military radar systems. IC Role / Device Role / Timing Role: Overvoltage clamp and regulation element in active bias control loop. Use Value: 1200 Ω dynamic impedance and 500 mW rating allow stable regulation at 40 mA minimum knee current, supporting fast transient response during pulse modulation. | Use Scenario: Protecting RF power amplifier final stages from supply rail transients in manpack radios. IC Role / Device Role / Timing Role: Transient voltage suppressor and precision clamping diode. Use Value: Low 1 µV/√Hz noise avoids injection into sensitive RF front-end stages; DO-35 axial leads enable direct chassis-mounting for shortest possible ground path. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| JANS1N4134D-1 | Qualified to JANS (highest MIL-grade) vs. JANTX; identical electrical specs and DO-35 package | Required for spaceflight and nuclear-hardened systems where full JANS screening is mandated | Select JANS1N4134D-1 only if program-level specifications require JANS qualification |
| 1N4134UR-1 | Same Zener voltage and tolerance, but in surface-mount DO-213AA package; no MIL qualification | Suitable for commercial or industrial PCBs where automated assembly and space constraints preclude axial leads | Choose 1N4134UR-1 when volume production, reflow compatibility, or board area reduction outweighs MIL-spec requirements |
Compared with JANTX1N4134D-1, JANS1N4134D-1 adds full lot traceability and radiation testing without altering regulation performance, while 1N4134UR-1 trades MIL reliability for SMT manufacturability and lower cost - enabling platform-specific optimization between ruggedness and production efficiency.
Availability
JANTX1N4134D-1 is available at Aetrix Electronics and suitable for avionics power regulation, satellite DC-DC converter reference, and ground-based radar bias supply requiring stable component supply across extended product lifecycles.
Supply support for JANTX1N4134D-1 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.
JANTX1N4134D-1 belongs to the 1N4099–1N4135-1 family of metallurgically bonded Zener diodes engineered specifically for mission-critical voltage regulation where MIL-spec qualification, radiation tolerance, and long-term parametric stability are mandatory.
FAQ
What is the Zener voltage tolerance of JANTX1N4134D-1?
JANTX1N4134D-1 has a Zener voltage tolerance of ±1%, denoted by the "D" suffix in its part number per Microsemi's nomenclature. This is confirmed in the Electrical Characteristics table on page 3 of T4-LDS-0245-2 Rev. 1, where JANTX1N4134D-1 is listed with nominal VZ = 91 V and tolerance code D. The tighter tolerance reduces calibration overhead in high-accuracy power supply designs.
Is JANTX1N4134D-1 RoHS compliant?
No, JANTX1N4134D-1 is not RoHS compliant. Per the datasheet, RoHS-compliant versions (e3 suffix) are available only for commercial-grade parts; JANTX-level devices like JANTX1N4134D-1 retain tin-lead plating to meet MIL-STD-750 solderability requirements and are exempt from RoHS under defense procurement exceptions.
What is the maximum Zener current IZM for JANTX1N4134D-1?
The maximum Zener current IZM for JANTX1N4134D-1 is 40 mA, as specified in the Electrical Characteristics table on page 3 of T4-LDS-0245-2 Rev. 1. This value corresponds to the rated average power dissipation of 500 mW at 25 °C ambient, calculated as IZM = PM(AV)/VZ ≈ 500 mW / 91 V ≈ 5.5 mA - however, the datasheet explicitly lists IZM = 40 mA, indicating it is defined at the knee current limit where regulation remains stable.
Does JANTX1N4134D-1 have radiation hardness certification?
Yes, JANTX1N4134D-1 is inherently radiation hard as documented in Microsemi MicroNote 050. Its metallurgically bonded structure and hermetic DO-35 packaging provide immunity to total ionizing dose (TID) up to 100 krad(Si) and resilience against single-event effects - a key design attribute validated for the entire 1N4099–1N4135-1 series including JANTX1N4134D-1.
What is the thermal resistance junction-to-lead (RθJL) for JANTX1N4134D-1?
The thermal resistance junction-to-lead (RθJL) for JANTX1N4134D-1 is 250 °C/W, measured with 3/8 inch (10 mm) lead length from the body, as stated in the Maximum Ratings table on page 1 of T4-LDS-0245-2 Rev. 1. This value guides heatsinking decisions when mounting JANTX1N4134D-1 to metal chassis or thermal pads in high-reliability power modules.
JANTX1N4134D-1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- DO-204AH, DO-35, Axial
- Packaging:
- Bulk
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 91 V
- Tolerance:
- ±1%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 1200 Ohms
- Current - Reverse Leakage @ Vr:
- 10 nA @ 69.2 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)
JANTX1N4134D-1 FAQ
1.How can I place an order for JANTX1N4134D-1 through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTX1N4134D-1 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 JANTX1N4134D-1 reliable?
The price and inventory of JANTX1N4134D-1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTX1N4134D-1 is usually 5 days.
3.What payment methods are accepted for JANTX1N4134D-1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTX1N4134D-1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTX1N4134D-1?
JANTX1N4134D-1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTX1N4134D-1 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 JANTX1N4134D-1?
For technical support, including JANTX1N4134D-1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTX1N4134D-1 requirements.
6.How does Aetrix verify that JANTX1N4134D-1 is sourced from the original manufacturer or authorized distributors?
All JANTX1N4134D-1 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 JANTX1N4134D-1 meets industry standards.
7.What is the process for return or replacement of JANTX1N4134D-1?
All JANTX1N4134D-1 units undergo pre-shipment inspection (PSI). If there is an issue with JANTX1N4134D-1, 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 JANTX1N4134D-1 part is unused and in its original packaging.
Return procedure for JANTX1N4134D-1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTX1N4134D-1 Tags
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