Microchip Technology JAN1N4119C-1
- Part No.:
- JAN1N4119C-1
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JAN1N4119C-1.pdf
- Description:
- DIODE ZENER 28V DO204AH
- Quantity:
- Payment:

- Shipping:

Inventory:9,467
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Product details
Overview
JAN1N4119C-1 from Microsemi is a 500 mW, 28.0 V ±2% metallurgically bonded glass Zener diode in DO-35 (DO-204AH) package, qualified to JAN level per MIL-PRF-19500/435 for high-reliability voltage regulation in aerospace and defense power supplies.
For engineers reviewing the JAN1N4119C-1 datasheet, JAN1N4119C-1 pinout, JAN1N4119C-1 application, or JAN1N4119C-1 equivalent, key selection factors include its 28.0 V nominal Zener voltage at 250 mA test current, 200 Ω maximum dynamic impedance, 0.01 µA max reverse leakage at 21.3 V, +0.095 %/°C temperature coefficient, and hermetically sealed axial-leaded construction.
Technical Context
This Zener diode operates in reverse breakdown with cathode-banded polarity, delivering stable reference voltage across wide current (250 mA IZT) and temperature (-65 °C to +175 °C) ranges. Its internal metallurgical bond ensures low noise density (1 µV/√Hz typical at low voltages) and radiation hardness per MicroNote 050.
The device exhibits a positive temperature coefficient (+0.095 %/°C), enabling predictable drift compensation in precision references. Thermal resistance junction-to-lead is 250 °C/W at 10 mm lead length, supporting reliable operation under sustained 500 mW dissipation when properly heatsunk.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Zener Voltage | 28.0 V at 250 mA - precise regulation point for mid-range voltage references |
| Zener Tolerance | ±2% - tighter than standard 5% parts, reducing calibration overhead in test equipment |
| Max Dynamic Impedance | 200 Ω at 250 mA - limits output voltage variation under load transients |
| Reverse Leakage Current | 0.01 µA at 21.3 V - ensures minimal error current in high-impedance bias networks |
| Temperature Coefficient | +0.095 %/°C - enables predictable thermal drift modeling in oven-controlled references |
| Noise Density | 1 µV/√Hz - ultra-low broadband noise critical for precision analog front-ends |
| Power Dissipation | 500 mW at 25 °C - supports robust operation in military-grade power conditioning circuits |
Pinout & Package
DO-35 (DO-204AH) axial-leaded glass package with hermetically sealed body, tin-lead plated terminals, and cathode indicated by black band. Leads are 1.0–1.5 inch long, body diameter 0.056–0.090 inch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Reference ground node | Connected to system ground or lower-potential rail; forms return path for Zener current |
| Cathode | Regulated output node | Banded end; supplies stable 28.0 V reference when reverse-biased above breakdown threshold |
Key Features
| Feature | Design Value |
|---|---|
| Metallurgical bond construction | Eliminates interfacial delamination risk under thermal cycling, ensuring long-term stability in avionics |
| MIL-PRF-19500/435 JAN qualification | Validated screening for burn-in, temperature cycling, and hermeticity-required for flight-critical systems |
| Ultra-low reverse leakage (0.01 µA) | Minimizes loading error in high-impedance voltage divider networks used in instrumentation amplifiers |
| Radiation-hardened design | Inherent tolerance to total ionizing dose (TID) per MicroNote 050-suitable for space-qualified power monitors |
| Low capacitance (typ. <2 pF) | Preserves high-frequency signal integrity in RF detector biasing and fast-switching regulator feedback paths |
Applications
| Aerospace Power Monitoring | Test Equipment Reference |
|---|---|
Use Scenario: Monitoring regulated bus voltage in satellite power distribution units where drift must stay within ±0.5% over -40 °C to +85 °C. IC Role / Device Role / Timing Role: Precision Zener reference providing stable 28.0 V benchmark for ADC input scaling and comparator thresholds. Use Value: ±2% initial tolerance and +0.095 %/°C TC enable direct use without trimming, reducing BOM count and calibration time. | Use Scenario: Calibrating benchtop multimeters requiring traceable 28 V reference with sub-10 ppm/°C drift stability. IC Role / Device Role / Timing Role: Primary voltage reference in metrology-grade shunt-regulated power supply. Use Value: 1 µV/√Hz noise density and 200 Ω dynamic impedance ensure measurement repeatability below 100 nV RMS error. |
| Defense Radar Bias Supply | Industrial PLC Analog Input |
Use Scenario: Providing stable gate bias for GaN RF power amplifiers in ground-based radar transmitters operating at 125 °C ambient. IC Role / Device Role / Timing Role: High-temperature Zener clamp protecting amplifier bias rails from transient overvoltage. Use Value: Rated to +175 °C junction temperature and qualified to JAN level ensures reliability during extended thermal soak cycles. | Use Scenario: Scaling 0–10 V industrial sensor signals into 16-bit ADCs within programmable logic controllers exposed to EMI-rich factory floors. IC Role / Device Role / Timing Role: Low-noise, ESD-immune reference source for ratiometric analog front-end circuitry. Use Value: Non-sensitive to ESD per MIL-STD-750 method 1020 and 0.01 µA leakage prevent false triggering in noisy environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4119US-1 | Same 28.0 V ±2% Zener, but in surface-mount DO-213AA package | Requires rework of PCB layout; lacks axial-lead mechanical robustness for vibration-prone mounts | Select when automated SMT assembly and board space constraints outweigh need for field-serviceable leads |
| JANTXV1N4119C-1 | Identical electrical specs but qualified to JANTXV level with enhanced screening (e.g., 100% lot testing) | Suitable for mission-critical subsystems where failure modes demand higher confidence than JAN level | Select when system safety assessment requires extended life test data and tighter parametric limits |
Compared with JAN1N4119C-1, the 1N4119US-1 offers footprint reduction at the cost of mechanical serviceability, while JANTXV1N4119C-1 delivers statistically verified reliability for fault-tolerant architectures-neither is pin-compatible due to differing packages or screening scope.
Availability
JAN1N4119C-1 is available at Aetrix Electronics and suitable for aerospace power monitoring, defense radar bias supply, and industrial PLC analog input applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for JAN1N4119C-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.
The JAN1N4119C-1 belongs to Microsemi's legacy MIL-qualified Zener diode family designed specifically for voltage regulation in harsh-environment electronics where radiation tolerance, thermal stability, and long-term parametric consistency are mandatory.
FAQ
What is the Zener voltage tolerance of JAN1N4119C-1?
JAN1N4119C-1 has a nominal Zener voltage of 28.0 V with a ±2% tolerance, as indicated by the "C" suffix in its part number per Microsemi's nomenclature. This tighter tolerance reduces calibration burden in precision reference designs compared to standard 5% variants like JAN1N4119-1. The specification is guaranteed over the full operating temperature range and validated per MIL-PRF-19500/435 screening requirements.
Is JAN1N4119C-1 suitable for high-temperature operation?
Yes, JAN1N4119C-1 is rated for junction temperatures from -65 °C to +175 °C and qualified to JAN level per MIL-PRF-19500/435, making it suitable for high-temperature environments such as engine-mounted avionics or downhole oilfield electronics. Its metallurgically bonded construction and hermetic DO-35 package ensure parametric stability under sustained thermal stress, with linear power derating beginning at 50 °C ambient.
What does the "JAN" prefix signify for JAN1N4119C-1?
The "JAN" prefix on JAN1N4119C-1 indicates compliance with U.S. military specifications and qualification to the JAN reliability level per MIL-PRF-19500/435. This includes rigorous screening for burn-in, temperature cycling, and hermeticity, distinguishing it from commercial-grade equivalents. JAN1N4119C-1 is intended for applications where failure could impact safety or mission success, such as flight control systems or secure communications hardware.
How does the noise performance of JAN1N4119C-1 compare to other Zener diodes?
JAN1N4119C-1 delivers ultra-low noise density of 1 µV/√Hz at its 28.0 V Zener voltage, significantly lower than typical 6.8 V+ Zeners (which range up to 40 µV/√Hz). This is achieved through optimized metallurgical bonding and low-capacitance packaging, making JAN1N4119C-1 especially valuable in low-noise instrumentation amplifiers and precision analog-to-digital converter reference circuits where signal integrity is critical.
Can JAN1N4119C-1 be used as a replacement for JAN1N4119-1?
JAN1N4119C-1 can functionally replace JAN1N4119-1 in most circuits, as both share identical 28.0 V nominal Zener voltage and DO-35 package. However, JAN1N4119C-1 offers ±2% tolerance versus ±5% for JAN1N4119-1, resulting in tighter initial accuracy and reduced need for post-calibration trimming. No PCB changes are required, but system-level validation is recommended to confirm performance margins under worst-case tolerance stacking.
JAN1N4119C-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):
- 28 V
- Tolerance:
- ±2%
- Power - Max:
- -
- Impedance (Max) (Zzt):
- 200 Ohms
- Current - Reverse Leakage @ Vr:
- 10 nA @ 21.3 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)
JAN1N4119C-1 FAQ
1.How can I place an order for JAN1N4119C-1 through Aetrix?
Please submit a Request for Quotation (RFQ) for JAN1N4119C-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 JAN1N4119C-1 reliable?
The price and inventory of JAN1N4119C-1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JAN1N4119C-1 is usually 5 days.
3.What payment methods are accepted for JAN1N4119C-1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JAN1N4119C-1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JAN1N4119C-1?
JAN1N4119C-1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JAN1N4119C-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 JAN1N4119C-1?
For technical support, including JAN1N4119C-1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JAN1N4119C-1 requirements.
6.How does Aetrix verify that JAN1N4119C-1 is sourced from the original manufacturer or authorized distributors?
All JAN1N4119C-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 JAN1N4119C-1 meets industry standards.
7.What is the process for return or replacement of JAN1N4119C-1?
All JAN1N4119C-1 units undergo pre-shipment inspection (PSI). If there is an issue with JAN1N4119C-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 JAN1N4119C-1 part is unused and in its original packaging.
Return procedure for JAN1N4119C-1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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