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Microchip Technology JANS1N4114D-1/TR
- Part No.:
- JANS1N4114D-1/TR
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANS1N4114D-1/TR.pdf
- Description:
- DIODE ZENER 20V 500MW DO204AH
- Quantity:
- Payment:
- Shipping:
Inventory:5,256
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Product details
Overview
JANS1N4114D-1/TR from Microsemi is a 20 V, 1% tolerance, 500 mW metallurgically bonded glass Zener diode in DO-35 package, qualified to JANS level per MIL-PRF-19500/435 for high-reliability aerospace and defense voltage regulation. It delivers stable 20 V reference with 15.2 mA Zener test current, <0.01 µA reverse leakage at 16 V, and ±0.09 %/°C temperature coefficient.
For engineers reviewing the JANS1N4114D-1/TR datasheet, JANS1N4114D-1/TR pinout, JANS1N4114D-1/TR application, or JANS1N4114D-1/TR equivalent, key selection criteria include military-grade reliability qualification (JANS), 1% Zener voltage tolerance, low noise density (1 µV/√Hz), hermetic DO-35 packaging, and radiation-hardened performance per MicroNote 050.
Technical Context
This device operates as a precision shunt voltage regulator in reverse-biased breakdown mode, with cathode band indicating polarity. Its metallurgical bond construction ensures mechanical stability under thermal cycling and shock, critical for space-qualified systems.
It exhibits a dynamic impedance of 150 Ω at 250 mA test current and maintains regulation across -65 °C to +175 °C junction temperature range, with power derating linear from 500 mW at 25 °C to zero at 175 °C on standard FR4 board.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 20.0 V ±1% at 250 mA - precise reference for analog sensing and power supply feedback loops |
| Power Dissipation | 500 mW @ 25 °C - supports stable regulation in compact, unheatsinked designs |
| Reverse Leakage IR | <0.01 µA @ 16 V - minimizes error in high-impedance bias networks |
| Dynamic Impedance ZZT | 150 Ω @ IZT - ensures tight regulation under varying load conditions |
| Temp Coefficient αVZ | +0.09 %/°C - predictable drift behavior for compensated reference circuits |
| Noise Density ND | 1 µV/√Hz - ultra-low broadband noise for precision instrumentation references |
| Junction Temp Range | -65 °C to +175 °C - enables operation in extreme environmental conditions |
Pinout & Package
DO-35 (DO-204AH) axial-leaded hermetically sealed glass package with tin-lead plating; cathode indicated by colored band; weight ≈ 0.2 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Reference ground node | Connected to system ground or lower-potential rail in shunt regulation topology |
| Cathode | Zener output node | Banded end supplies regulated 20 V; must be biased positive relative to anode |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/435 JANS qualification | Meets full screening, lot acceptance, and radiation hardness requirements for spaceflight electronics |
| Metallurgical bond construction | Eliminates wire bonds and interfacial delamination risk under thermal shock and vibration |
| 1% Zener voltage tolerance | Reduces need for post-calibration trimming in high-accuracy reference designs |
| Hermetic glass encapsulation | Prevents moisture ingress and parameter shift over decades in sealed enclosures |
| Radiation hardness | Inherently tolerant to total ionizing dose (TID) per Microsemi MicroNote 050 |
Applications
| Avionics Power Monitoring | Satellite Sensor Biasing |
|---|---|
Use Scenario: Monitoring 28 V DC bus voltage in flight control computers using resistive divider into ADC. IC Role / Device Role / Timing Role: Precision 20 V shunt reference providing stable scaling ratio for analog-to-digital conversion. Use Value: 1% tolerance and +0.09 %/°C TC enable ±0.5% full-scale accuracy over -55 °C to +125 °C operating range without software correction. | Use Scenario: Biasing photodiode amplifiers in star tracker focal plane arrays. IC Role / Device Role / Timing Role: Low-noise 20 V reference establishing photodiode reverse bias and op-amp input offset null point. Use Value: 1 µV/√Hz noise density prevents signal degradation in sub-picoamp photocurrent measurements. |
| Nuclear Instrumentation | Tactical Radios |
Use Scenario: High-stability reference in gamma spectrometer pulse-height analyzers. IC Role / Device Role / Timing Role: Regulated 20 V supply for ADC reference and PMT high-voltage divider stabilization. Use Value: Hermetic DO-35 package and JANS qualification ensure long-term parametric stability in high-radiation environments. | Use Scenario: Voltage reference in encrypted HF transceiver RF front-end AGC circuitry. IC Role / Device Role / Timing Role: Shunt regulator maintaining stable 20 V for logarithmic detector bias and gain control DAC reference. Use Value: -65 °C to +175 °C operation and ESD immunity per MIL-STD-750 method 1020 support field-deployable ruggedness. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| JANTXV1N4114D-1 | JANTXV qualification level; same 20 V/1%/500 mW specs but less stringent screening than JANS | Suitable for high-reliability ground-based systems where full space qualification not required | Select when radiation hardness and extended temperature life testing are not mandated |
| 1N4114UR-1 | DO-213AA surface-mount package; identical electrical specs but non-hermetic molded plastic body | Used in automated SMT production where axial leads are incompatible with assembly process | Select for volume commercial or industrial PCBs requiring pick-and-place compatibility |
Compared with JANS1N4114D-1/TR, JANTXV1N4114D-1 offers reduced cost and lead time for non-space programs, while 1N4114UR-1 enables SMT scalability at the expense of hermeticity and radiation tolerance.
Availability
JANS1N4114D-1/TR is available at Aetrix Electronics and suitable for avionics power monitoring, satellite sensor biasing, nuclear instrumentation requiring stable component supply with full traceability and long-term obsolescence management.
Supply support for JANS1N4114D-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 JANS1N4114D-1/TR belongs to Microsemi's legacy MIL-PRF-19500/435 qualified Zener diode family, designed specifically for precision voltage reference and regulation in mission-critical systems exposed to extreme temperature, radiation, and mechanical stress.
FAQ
What is the Zener voltage tolerance of JANS1N4114D-1/TR?
JANS1N4114D-1/TR has a nominal Zener voltage of 20.0 V with ±1% tolerance, as indicated by the "D" suffix in its nomenclature per MIL-PRF-19500/435 specification. This tight tolerance is verified during JANS-level screening and supports high-accuracy reference applications without post-manufacture calibration.
Is JANS1N4114D-1/TR RoHS compliant?
No, JANS1N4114D-1/TR is not RoHS compliant. The "e3" RoHS designation applies only to commercial-grade versions (e.g., 1N4114D-1e3); JANS-level devices use traditional tin-lead plating per MIL-STD-750 method 2026 to ensure solderability and reliability under thermal cycling in military and space environments.
What does the "TR" suffix mean in JANS1N4114D-1/TR?
The "TR" suffix in JANS1N4114D-1/TR indicates tape-and-reel packaging per EIA-296 standard, enabling automated placement in high-volume manufacturing. This format includes standard reel quantities and orientation for pick-and-place equipment, while preserving full JANS qualification and traceability.
How is the polarity marked on JANS1N4114D-1/TR?
JANS1N4114D-1/TR uses a cathode band marking on the glass body to indicate polarity. The banded end is the cathode and must be held at a higher potential than the anode to operate in Zener breakdown regulation mode. This marking complies with JEDEC DO-35 mechanical standards and MIL-PRF-19500/435 visual inspection requirements.
What is the maximum Zener test current IZT for JANS1N4114D-1/TR?
The maximum Zener test current IZT for JANS1N4114D-1/TR is 250 mA, as specified in the Electrical Characteristics table on page 3 of T4-LDS-0245-2 Rev. 1. This current establishes the 20.0 V Zener voltage measurement point and defines the operating condition for dynamic impedance (150 Ω) and noise density (1 µV/√Hz) ratings.
JANS1N4114D-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):
- 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 (TJ)
- Grade:
- Military
- Qualification:
- MIL-PRF-19500/435
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AH (DO-35)
JANS1N4114D-1/TR FAQ
1.How can I place an order for JANS1N4114D-1/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANS1N4114D-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 JANS1N4114D-1/TR reliable?
The price and inventory of JANS1N4114D-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 JANS1N4114D-1/TR is usually 5 days.
3.What payment methods are accepted for JANS1N4114D-1/TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANS1N4114D-1/TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANS1N4114D-1/TR?
JANS1N4114D-1/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANS1N4114D-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 JANS1N4114D-1/TR?
For technical support, including JANS1N4114D-1/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANS1N4114D-1/TR requirements.
6.How does Aetrix verify that JANS1N4114D-1/TR is sourced from the original manufacturer or authorized distributors?
All JANS1N4114D-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 JANS1N4114D-1/TR meets industry standards.
7.What is the process for return or replacement of JANS1N4114D-1/TR?
All JANS1N4114D-1/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANS1N4114D-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 JANS1N4114D-1/TR part is unused and in its original packaging.
Return procedure for JANS1N4114D-1/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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