Microchip Technology JANS1N4104-1/TR
- Part No.:
- JANS1N4104-1/TR
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANS1N4104-1/TR.pdf
- Description:
- DIODE ZENER 10V 500MW DO204AH
- Quantity:
- Payment:

- Shipping:

Inventory:6,445
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Product details
Overview
JANS1N4104-1/TR from Microsemi is a 10.0 V, 500 mW metallurgically bonded glass Zener diode in DO-35 (DO-204AH) axial-leaded package, qualified to JANS level per MIL-PRF-19500/435 for high-reliability aerospace and defense applications. It delivers ±5% Zener voltage tolerance at 250 mA test current, 200 Ω dynamic impedance, and 0.5 µA maximum reverse leakage at 7.6 V.
For engineers reviewing the JANS1N4104-1/TR datasheet, JANS1N4104-1/TR pinout, JANS1N4104-1/TR application, or JANS1N4104-1/TR equivalent, key selection criteria include its JANS-level radiation hardness, low noise density (≤1 µV/√Hz below 6.8 V), thermal resistance of 250 °C/W (junction-to-lead), and hermetic glass package suitable for extreme temperature operation from –65 °C to +175 °C.
Technical Context
This device operates as a precision voltage reference and regulator in reverse-biased breakdown mode, with cathode band marking polarity. Its metallurgical bond ensures stable Zener voltage under thermal cycling and mechanical stress, critical for space-grade systems.
The JANS1N4104-1/TR exhibits a +0.080 %/°C temperature coefficient and supports regulated output across wide current ranges (IZK to IZM = 7.6 mA to 40 mA), maintaining low dynamic impedance (200 Ω at 250 mA) and minimal capacitance (typ. <2 pF at 0 V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 10.0 V at 250 mA - defines precise regulation point for reference circuits |
| Power Dissipation | 500 mW at 25 °C - sets maximum continuous thermal load before derating |
| Zener Impedance ZZT | 200 Ω - determines output voltage stability under varying load current |
| Reverse Leakage IR | 0.5 µA @ 7.6 V - ensures low quiescent current in standby bias networks |
| Temp Coefficient αVZ | +0.080 %/°C - quantifies drift magnitude over operating temperature range |
| Noise Density ND | ≤1 µV/√Hz - enables use in low-noise analog references and precision ADCs |
| Junction Temp Range | –65 °C to +175 °C - supports operation in harsh environmental conditions |
Pinout & Package
DO-35 (DO-204AH) axial-leaded hermetically sealed glass package with tin-lead plating; cathode indicated by single black band; weight ≈ 0.2 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference node | Connected to circuit ground or lower potential in shunt regulation |
| Cathode (banded end) | Zener breakdown terminal / regulation output node | Provides stable 10.0 V reference when biased positively relative to anode |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/435 JANS qualification | Meets highest reliability screening for spaceflight and nuclear-hardened systems |
| Metallurgical bond construction | Prevents interfacial delamination during thermal shock and vibration stress |
| Hermetic glass encapsulation | Eliminates moisture ingress and long-term parameter drift in humid environments |
| Radiation hardness | Inherently tolerant to total ionizing dose (TID) per Microsemi MicroNote 050 |
| Low noise density | ≤1 µV/√Hz enables use in precision analog signal chains without added filtering |
Applications
| Spacecraft Power Monitoring | Aerospace Avionics Reference |
|---|---|
Use Scenario: Monitoring bus voltage in satellite power distribution units under thermal vacuum and radiation exposure. IC Role / Device Role / Timing Role: Shunt voltage reference providing stable 10.0 V feedback to error amplifiers in DC-DC converters. Use Value: JANS qualification and radiation hardness ensure regulation integrity after 100 krad(Si) TID exposure. | Use Scenario: Supplying reference voltage to analog-to-digital converters in flight control computers. IC Role / Device Role / Timing Role: Precision Zener reference source for 12-bit ADC biasing and calibration circuits. Use Value: Low 200 Ω dynamic impedance maintains reference accuracy across 1–40 mA load variation. |
| Missile Guidance Sensor Biasing | Nuclear Reactor Control Interface |
Use Scenario: Biasing infrared detector arrays in seeker heads subjected to high-G launch and wide temperature swings. IC Role / Device Role / Timing Role: Stable 10.0 V bias supply for photodiode transimpedance amplifiers. Use Value: –65 °C to +175 °C junction rating allows uninterrupted operation from cryogenic storage to re-entry heating. | Use Scenario: Providing fail-safe voltage threshold detection in reactor trip logic modules. IC Role / Device Role / Timing Role: Zener-clamped reference input to comparator circuits monitoring coolant pressure sensors. Use Value: Hermetic DO-35 package prevents parameter shift due to gamma-induced ionization in containment zones. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| JANTXV1N4104-1 | Same electrical specs but qualified only to JANTXV level; lower screening rigor than JANS | Limited to non-spaceflight military platforms where full JANS radiation testing not required | Select when cost sensitivity outweighs need for full space qualification |
| 1N4104US-1 | Surface-mount DO-213AA variant; identical Zener parameters but different thermal resistance (RθJA = 300 °C/W) | Suitable for compact PCB layouts but requires reflow-compatible mounting and lacks JANS qualification | Choose for commercial or industrial designs needing same VZ in SMT form factor |
Compared with JANS1N4104-1/TR, the JANTXV1N4104-1 offers reduced qualification cost and lead time but sacrifices radiation hardness assurance, while the 1N4104US-1 enables board-space savings at the expense of thermal performance and reliability screening-making the JANS version optimal for mission-critical systems demanding proven survivability.
Availability
JANS1N4104-1/TR is available at Aetrix Electronics and suitable for spacecraft power monitoring, aerospace avionics reference, and missile guidance sensor biasing requiring stable component supply across extended temperature and radiation environments.
Supply support for JANS1N4104-1/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) designs high-reliability analog and mixed-signal semiconductors for aerospace, defense, and industrial markets.
The JANS1N4104-1/TR belongs to Microsemi's MIL-qualified Zener diode family engineered specifically for voltage regulation in radiation-intensive, thermally extreme, and long-lifecycle systems.
FAQ
What is the Zener voltage tolerance for JANS1N4104-1/TR?
JANS1N4104-1/TR has a nominal Zener voltage of 10.0 V with ±5% tolerance at 250 mA test current, consistent with JEDEC standard for the 1N4099–1N4135 series. This tolerance applies under thermal equilibrium at 25 °C ambient and is verified per MIL-PRF-19500/435 screening requirements for JANS devices.
Is JANS1N4104-1/TR RoHS compliant?
No, JANS1N4104-1/TR is not RoHS compliant. Per the datasheet, RoHS-compliant versions (suffix "e3") are available only for commercial-grade variants; JANS-level devices retain tin-lead plating to meet MIL-STD-750 solderability and reliability requirements for high-reliability applications.
What is the maximum Zener current IZM for JANS1N4104-1/TR?
The maximum Zener current IZM for JANS1N4104-1/TR is 40 mA, derived from its 500 mW power rating and 10.0 V Zener voltage (P = V × I). This value is specified in the Electrical Characteristics table on page 3 of the T4-LDS-0245-2 datasheet and assumes operation within the linear derating curve up to 175 °C junction temperature.
How does the temperature coefficient affect JANS1N4104-1/TR performance?
JANS1N4104-1/TR has a temperature coefficient of +0.080 %/°C, meaning its Zener voltage increases by approximately 8 mV per °C rise above 25 °C. This predictable drift enables compensation in precision reference designs and is fully characterized across the –65 °C to +175 °C junction range per MIL-PRF-19500/435 test protocols.
Can JANS1N4104-1/TR be used in surface-mount designs?
No, JANS1N4104-1/TR uses the axial-leaded DO-35 (DO-204AH) package and is not surface-mount compatible. For SMT implementation, Microsemi offers the 1N4104US-1 in DO-213AA package-but that variant lacks JANS qualification and has higher thermal resistance (300 °C/W vs. 250 °C/W for JANS1N4104-1/TR).
JANS1N4104-1/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):
- 10 V
- Tolerance:
- ±5%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 200 Ohms
- Current - Reverse Leakage @ Vr:
- 500 nA @ 7.6 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)
JANS1N4104-1/TR FAQ
1.How can I place an order for JANS1N4104-1/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANS1N4104-1/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 JANS1N4104-1/TR reliable?
The price and inventory of JANS1N4104-1/TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANS1N4104-1/TR is usually 5 days.
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Once your JANS1N4104-1/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 JANS1N4104-1/TR?
For technical support, including JANS1N4104-1/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANS1N4104-1/TR requirements.
6.How does Aetrix verify that JANS1N4104-1/TR is sourced from the original manufacturer or authorized distributors?
All JANS1N4104-1/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 JANS1N4104-1/TR meets industry standards.
7.What is the process for return or replacement of JANS1N4104-1/TR?
All JANS1N4104-1/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANS1N4104-1/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 JANS1N4104-1/TR part is unused and in its original packaging.
Return procedure for JANS1N4104-1/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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