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Microchip Technology JANTX1N4114D-1
- Part No.:
- JANTX1N4114D-1
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANTX1N4114D-1.pdf
- Description:
- DIODE ZENER 20V 500MW DO204AH
- Quantity:
- Payment:
- Shipping:
Inventory:6,802
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Product details
Overview
JANTX1N4114D-1 from Microsemi is a 20 V, 1% 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, reference circuits, and overvoltage protection.
For engineers reviewing the JANTX1N4114D-1 datasheet, JANTX1N4114D-1 pinout, JANTX1N4114D-1 application, or JANTX1N4114D-1 equivalent, key selection criteria include Zener voltage accuracy (±1%), low noise density (1 µV/√Hz), dynamic impedance (150 Ω at 250 mA), temperature coefficient (+0.090 %/°C), and hermetic DO-35 packaging for harsh-environment operation.
Technical Context
This device operates as a precision shunt voltage regulator with a nominal Zener voltage of 20.0 V at 250 mA test current (IZT), exhibiting a tight ±1% tolerance (denoted by "D" in part nomenclature) and a positive temperature coefficient of +0.090 %/°C. Its metallurgical bond construction ensures stable breakdown characteristics under thermal cycling and radiation exposure.
It delivers low noise performance (1 µV/√Hz at IZT), minimal capacitance (typical <2 pF per Figure 3), and reverse leakage current ≤0.01 µA at VR = 15.2 V - enabling use in low-noise analog references and precision biasing where signal integrity is critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 20.0 V ±1% at 250 mA - enables accurate 20 V reference generation with minimal calibration drift. |
| Power Dissipation | 500 mW at 25 °C - supports stable regulation in compact through-hole designs without forced cooling. |
| Zener Impedance ZZT | 150 Ω at 250 mA - ensures low output impedance for effective ripple suppression in regulated supplies. |
| Noise Density ND | 1 µV/√Hz at 250 mA - critical for low-noise voltage references in instrumentation and ADC biasing. |
| Temp Coefficient αVZ | +0.090 %/°C - predictable positive drift simplifies temperature-compensated reference design. |
| Reverse Leakage IR | ≤0.01 µA at 15.2 V - minimizes standby current in high-impedance sensing and battery-backed circuits. |
| Package | DO-35 (DO-204AH) - axial-leaded, hermetically sealed glass package qualified for MIL-PRF-19500/435 JANTX. |
Pinout & Package
DO-35 (DO-204AH) axial-leaded glass package with cathode indicated by band; operated with banded end positive for Zener regulation. Hermetically sealed, tin-lead plated leads solderable per MIL-STD-750 method 2026.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current sink during forward bias; connected to lower-potential node in Zener mode | Provides return path for Zener current; must be held at potential ≤ (cathode − 20 V) for regulation. |
| Cathode | Regulated output node; marked with band | Delivers stable 20 V reference when reverse-biased; polarity reversal causes forward conduction at ~1.1 V. |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/435 JANTX qualification | Guarantees screening, testing, and traceability for aerospace and defense applications requiring high reliability. |
| 1% Zener voltage tolerance (D suffix) | Reduces need for post-assembly trimming in precision reference circuits, improving yield and long-term stability. |
| Metallurgical bond construction | Eliminates interfacial delamination risk under thermal shock or radiation, ensuring life-critical regulation integrity. |
| Low noise density (1 µV/√Hz) | Enables use in high-resolution analog front-ends where Zener noise would otherwise limit SNR or ENOB. |
| Hermetic DO-35 glass package | Prevents moisture ingress and parameter shift over time, supporting >20-year field life in sealed systems. |
Applications
| Aerospace Power Conditioning | Defense System Reference |
|---|---|
Use Scenario: Regulating auxiliary 20 V rail in satellite power distribution units exposed to wide thermal swings and radiation. IC Role / Device Role / Timing Role: Shunt voltage regulator providing stable 20 V reference for DC-DC converter feedback and telemetry sensor biasing. Use Value: JANTX1N4114D-1's +0.090 %/°C tempco and MIL-qualified metallurgical bond ensure regulation stays within ±2% across –65 °C to +125 °C. | Use Scenario: Precision voltage reference in radar receiver front-end bias networks requiring ultra-low noise and ESD immunity. IC Role / Device Role / Timing Role: Low-noise Zener source for LNAs and mixers, replacing higher-drift alternatives in RF subsystems. Use Value: 1 µV/√Hz noise density and non-sensitive ESD rating (MIL-STD-750 method 1020) preserve signal fidelity in pulsed RF environments. |
| Industrial Control Loop Reference | Radiation-Hardened Instrumentation |
Use Scenario: Providing 20 V reference for 4–20 mA transmitter loop-powered sensors operating in oil & gas wellhead controllers. IC Role / Device Role / Timing Role: Stable shunt regulator establishing precise excitation voltage for RTD and strain gauge bridges. Use Value: 1% tolerance and ≤0.01 µA leakage at 15.2 V minimize measurement error and enable microamp-level loop compliance. | Use Scenario: Voltage reference in nuclear reactor monitoring electronics requiring TID tolerance and parametric stability after irradiation. IC Role / Device Role / Timing Role: Radiation-hardened Zener element in fault-tolerant analog monitoring channels. Use Value: Inherent radiation hardness per Microsemi MicroNote 050 allows continued regulation up to 100 krad(Si) without parameter shift. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4114US-1 | Same 20 V, 1% Zener voltage but in surface-mount DO-213AA package; identical electrical specs. | Requires SMT assembly; lacks axial-leaded mechanical robustness for vibration-prone chassis mounting. | Select when board space is constrained and reflow compatibility is required. |
| JAN1N4114D-1 | Same 20 V, 1% Zener voltage and DO-35 package, but qualified only to JAN level (less stringent screening than JANTX). | Lower cost and shorter lead time, but not approved for mission-critical flight hardware per DoD requirements. | Select for ground-test equipment or non-flight prototypes where full JANTX screening is unnecessary. |
Compared with JANTX1N4114D-1, the 1N4114US-1 offers identical regulation performance in a space-saving SMT form factor, while the JAN1N4114D-1 provides functional equivalence at reduced cost and screening depth - making both viable alternatives depending on mechanical, environmental, and procurement constraints.
Availability
JANTX1N4114D-1 is available at Aetrix Electronics and suitable for aerospace power conditioning, defense system reference, and radiation-hardened instrumentation requiring stable component supply with full MIL-PRF-19500 traceability and lot-level documentation.
Supply support for JANTX1N4114D-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, radiation-hardened, and aerospace-grade analog and mixed-signal components.
The JANTX1N4114D-1 belongs to Microsemi's legacy 1N4099–1N4135 family of MIL-qualified Zener diodes, designed specifically for precision voltage regulation in mission-critical systems where parametric stability, low noise, and environmental survivability are mandatory.
FAQ
What is the Zener voltage tolerance of JANTX1N4114D-1?
JANTX1N4114D-1 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 T4-LDS-0245-2 Rev. 1, where VZ = 20.0 V at IZT = 250 mA with 1% tolerance. The tighter tolerance reduces calibration burden in precision reference designs compared to standard 5% variants like JANTX1N4114-1.
Is JANTX1N4114D-1 RoHS compliant?
No, JANTX1N4114D-1 is not RoHS compliant. Per the nomenclature table on page 2 of T4-LDS-0245-2 Rev. 1, the "e3" suffix denotes RoHS compliance, which is absent in JANTX1N4114D-1. RoHS-compliant versions are available only for commercial-grade parts (blank reliability level), not for JANTX-qualified devices.
What is the maximum reverse leakage current for JANTX1N4114D-1?
The maximum reverse leakage current (IR) for JANTX1N4114D-1 is 0.01 µA at VR = 15.2 V, as specified in the Electrical Characteristics table on page 3 of T4-LDS-0245-2 Rev. 1. This ultra-low leakage supports high-impedance bias networks and extends battery life in low-power sensing applications.
What does the "JANTX" prefix signify for JANTX1N4114D-1?
The "JANTX" prefix indicates that JANTX1N4114D-1 is qualified to MIL-PRF-19500/435 Level JANTX, which includes rigorous screening for temperature cycling, burn-in, and parameter verification beyond commercial standards. This qualification ensures suitability for high-reliability military and aerospace applications where failure is not an option.
Can JANTX1N4114D-1 be used in surface-mount designs?
No, JANTX1N4114D-1 uses the axial-leaded DO-35 (DO-204AH) package and is not suitable for surface-mount assembly. For SMT-compatible equivalents, Microsemi offers the 1N4114US-1 in DO-213AA package - same 20 V, 1% Zener voltage and electrical specs, but with surface-mount terminations.
JANTX1N4114D-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):
- 20 V
- Tolerance:
- ±1%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 150 Ohms
- Current - Reverse Leakage @ Vr:
- 10 nA @ 15.2 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)
JANTX1N4114D-1 FAQ
1.How can I place an order for JANTX1N4114D-1 through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTX1N4114D-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 JANTX1N4114D-1 reliable?
The price and inventory of JANTX1N4114D-1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTX1N4114D-1 is usually 5 days.
3.What payment methods are accepted for JANTX1N4114D-1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTX1N4114D-1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTX1N4114D-1?
JANTX1N4114D-1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTX1N4114D-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 JANTX1N4114D-1?
For technical support, including JANTX1N4114D-1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTX1N4114D-1 requirements.
6.How does Aetrix verify that JANTX1N4114D-1 is sourced from the original manufacturer or authorized distributors?
All JANTX1N4114D-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 JANTX1N4114D-1 meets industry standards.
7.What is the process for return or replacement of JANTX1N4114D-1?
All JANTX1N4114D-1 units undergo pre-shipment inspection (PSI). If there is an issue with JANTX1N4114D-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 JANTX1N4114D-1 part is unused and in its original packaging.
Return procedure for JANTX1N4114D-1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTX1N4114D-1 Tags
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