Microchip Technology JANS1N4133-1/TR
- Part No.:
- JANS1N4133-1/TR
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
JANS1N4133-1/TR.pdf
- Description:
- DIODE ZENER 87V 500MW DO204AH
- Quantity:
- Payment:

- Shipping:

Inventory:2,211
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Product details
Overview
JANS1N4133-1/TR from Microsemi is a hermetically sealed, metallurgically bonded glass Zener diode in DO-35 (DO-204AH) axial package, rated for 500 mW power dissipation, with nominal Zener voltage of 87.0 V at 250 mA test current, ±5% tolerance, and maximum dynamic impedance of 1000 Ω at IZT - used for precision voltage regulation in high-reliability aerospace and defense power supply monitoring circuits.
For engineers reviewing the JANS1N4133-1/TR datasheet, JANS1N4133-1/TR pinout, JANS1N4133-1/TR application, or JANS1N4133-1/TR equivalent, key selection criteria include its JANS-level MIL-PRF-19500/435 qualification, 87 V Zener voltage stability over temperature, low reverse leakage (≤0.01 µA at VR), radiation-hardened construction, and DO-35 mechanical compatibility with legacy through-hole designs.
Technical Context
This device operates as a two-terminal voltage reference in reverse-biased breakdown mode, with Zener regulation established at 87.0 V under 250 mA DC test current. Its metallurgical bond ensures stable junction characteristics across thermal cycling and radiation exposure.
It exhibits a positive temperature coefficient of +0.100 %/°C, enabling predictable voltage drift in high-temperature environments, and delivers ultra-low reverse leakage (≤0.01 µA at rated VR), supporting high-impedance sensing nodes in avionics bias networks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 87.0 V at 250 mA - defines precise regulation point for high-voltage reference rails in analog front-ends. |
| Power Dissipation | 500 mW at 25 °C - supports stable operation in compact, convection-cooled military PCB layouts. |
| Zener Impedance ZZT | 1000 Ω max at IZT - ensures minimal output voltage variation under load transients in feedback loops. |
| Reverse Leakage IR | ≤0.01 µA at VR - enables use in ultra-low-current biasing and high-impedance voltage divider networks. |
| Temp Coefficient αVZ | +0.100 %/°C - provides predictable, monotonic voltage drift for temperature-compensated calibration systems. |
| Noise Density ND | 1 µV/√Hz (typical) - supports low-noise reference applications in precision instrumentation amplifiers. |
| Junction Temp Range | –65 to +175 °C - qualified for extended-range operation in satellite power conditioning and engine control units. |
Pinout & Package
DO-35 (DO-204AH) axial-leaded glass package with cathode indicated by color band; leads are tin-lead or RoHS-compliant matte-tin plated, solderable per MIL-STD-750 method 2026.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Reference ground node | Connected to system ground or common return; establishes reference potential for Zener regulation. |
| Cathode | Regulated output node | Banded end; supplies stable 87 V when reverse-biased - must be held positive relative to anode. |
Key Features
| Feature | Design Value |
|---|---|
| JANS qualification | Fully qualified to MIL-PRF-19500/435 Level JANS - certified for spaceflight and nuclear-hardened systems. |
| Metallurgical bond | Internal metal-to-silicon junction bonding - eliminates interfacial delamination under shock/vibration and thermal stress. |
| Radiation hardness | Inherently radiation-tolerant per Microsemi MicroNote 050 - suitable for low-dose-rate TID environments without derating. |
| Low capacitance | Typical <2 pF - minimizes high-frequency coupling in RF-sensitive analog signal chains and timing circuits. |
| ESD immunity | Non-sensitive per MIL-STD-750 Method 1020 - withstands handling without protection circuitry in cleanroom assembly. |
Applications
| Aerospace Power Monitoring | Defense Radar Bias Supply |
|---|---|
Use Scenario: Real-time detection of 85–90 V bus anomalies in satellite power distribution units. IC Role / Device Role / Timing Role: Two-terminal Zener reference providing fault threshold voltage for comparator-based overvoltage latch circuits. Use Value: Stable 87 V regulation enables ±0.5 V trip accuracy across –55 to +125 °C, critical for mission-critical bus integrity. | Use Scenario: High-stability bias voltage for GaN HEMT gate drivers in phased-array radar transmit modules. IC Role / Device Role / Timing Role: Precision shunt regulator maintaining fixed 87 V rail despite input ripple and thermal drift. Use Value: ≤0.01 µA leakage prevents gate current error accumulation, preserving driver linearity and pulse fidelity. |
| Nuclear Instrumentation Calibration | Avionics Test Equipment Reference |
Use Scenario: Primary voltage standard in portable radiation survey meter calibrators requiring traceable 87 V output. IC Role / Device Role / Timing Role: Primary Zener reference element in metrology-grade voltage divider networks. Use Value: +0.100 %/°C tempco allows deterministic correction algorithms, achieving <10 ppm/°C effective stability. | Use Scenario: On-board reference for built-in self-test (BIST) of flight control computer power rails. IC Role / Device Role / Timing Role: Embedded shunt regulator verifying 87 V auxiliary supply integrity during pre-flight diagnostics. Use Value: Hermetic DO-35 package ensures long-term parameter stability over 20+ year service life without drift-induced false alarms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4133US-1 | Same electrical specs, but in surface-mount DO-213AA package - no axial leads. | Requires SMT reflow process; unsuitable for through-hole prototyping or legacy board repair. | Select when board space is constrained and automated assembly is available. |
| JANTXV1N4133-1 | Identical Zener parameters, but qualified only to JANTXV level - lower radiation tolerance and screening depth than JANS. | Approved for high-reliability ground systems but not spaceflight or nuclear environments. | Select for cost-sensitive defense programs where full JANS qualification is not mandated. |
Compared with JANS1N4133-1/TR, the 1N4133US-1 offers identical regulation performance in a smaller footprint but sacrifices mechanical robustness and hand-solderability, while JANTXV1N4133-1 reduces procurement cost and lead time at the expense of radiation hardness and extended temperature validation.
Availability
JANS1N4133-1/TR is available at Aetrix Electronics and suitable for aerospace power monitoring, defense radar bias supply, and nuclear instrumentation calibration requiring stable component supply with full traceability and long-term obsolescence management.
Supply support for JANS1N4133-1/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, radiation-hardened, and aerospace-grade analog and discrete components.
The JANS1N4133-1/TR belongs to Microsemi's legacy 1N4099–1N4135 Zener series, engineered specifically for MIL-PRF-19500/435-compliant voltage regulation in mission-critical defense and space systems.
FAQ
What is the Zener voltage tolerance of JANS1N4133-1/TR?
JANS1N4133-1/TR has a nominal Zener voltage of 87.0 V with a standard tolerance of ±5%, as defined by JEDEC registration and verified per MIL-PRF-19500/435 test requirements. This tolerance applies under thermal equilibrium at 25 °C with 250 mA test current, and is maintained across the full JANS qualification screening process.
Is JANS1N4133-1/TR compatible with lead-free soldering processes?
JANS1N4133-1/TR features tin-lead plating on its axial leads and is rated for soldering at 260 °C for 10 seconds per MIL-STD-750 Method 2026. While RoHS-compliant versions exist (e.g., with matte-tin plating), the JANS1N4133-1/TR itself is not RoHS-compliant and requires SnPb solder profile; use with lead-free reflow requires process validation.
What is the maximum reverse leakage current for JANS1N4133-1/TR?
The maximum reverse leakage current (IR) for JANS1N4133-1/TR is 0.01 µA at its rated reverse voltage (VR), 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 precision reference dividers in low-power avionics subsystems.
Does JANS1N4133-1/TR require derating above 25 °C ambient temperature?
Yes - JANS1N4133-1/TR must be linearly derated from 500 mW starting at 25 °C ambient, reaching zero power at 175 °C, per Figure 2 in the datasheet. Derating follows a slope of –3.33 mW/°C, and thermal resistance junction-to-ambient is 300 °C/W on a standard FR4 board with 4 mm² copper pads.
How is polarity marked on JANS1N4133-1/TR?
JANS1N4133-1/TR uses a cathode band - a single colored ring near one end of the DO-35 glass body - to indicate the cathode terminal. The diode must be operated with the banded end held positive relative to the unmarked (anode) end to achieve Zener regulation, as confirmed in the Mechanical and Packaging section of T4-LDS-0245-2.
JANS1N4133-1/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):
- 87 V
- Tolerance:
- ±5%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 1 Ohms
- Current - Reverse Leakage @ Vr:
- 10 nA @ 66.2 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)
JANS1N4133-1/TR FAQ
1.How can I place an order for JANS1N4133-1/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANS1N4133-1/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 JANS1N4133-1/TR reliable?
The price and inventory of JANS1N4133-1/TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANS1N4133-1/TR is usually 5 days.
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Once your JANS1N4133-1/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 JANS1N4133-1/TR?
For technical support, including JANS1N4133-1/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANS1N4133-1/TR requirements.
6.How does Aetrix verify that JANS1N4133-1/TR is sourced from the original manufacturer or authorized distributors?
All JANS1N4133-1/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 JANS1N4133-1/TR meets industry standards.
7.What is the process for return or replacement of JANS1N4133-1/TR?
All JANS1N4133-1/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANS1N4133-1/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 JANS1N4133-1/TR part is unused and in its original packaging.
Return procedure for JANS1N4133-1/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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