Microchip Technology JANS1N6125US/TR
- Part No.:
- JANS1N6125US/TR
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- SQ-MELF, B
- Datasheet:
-
JANS1N6125US/TR.pdf
- Description:
- BI-DIRECTIONAL TVS
- Quantity:
- Payment:

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Product details
Overview
JANS1N6125US/TR from Microsemi (now Microchip) is a hermetically sealed, military-grade 200 V Zener diode in a DO-213AA (GLASS) package, rated for 500 mW power dissipation, ±5% voltage tolerance, and operating across –65°C to +175°C. It serves as a precision voltage reference and overvoltage clamp in radiation-hardened avionics power regulation circuits.
For engineers reviewing the JANS1N6125US/TR datasheet, JANS1N6125US/TR pinout, JANS1N6125US/TR application, or JANS1N6125US/TR equivalent, key selection criteria include Zener voltage accuracy, total power derating above +75°C, MIL-PRF-19500/418 qualification status, and glass-package hermeticity verification per MIL-STD-750 Method 1071.
Technical Context
This device is a single-junction, silicon planar Zener diode fabricated using Microsemi's qualified JAN/JANS process. It achieves stable reverse breakdown at 200 V with a maximum Zener impedance of 1500 Ω at 1 mA test current and exhibits <0.05%/°C voltage temperature coefficient over its full operating range.
MIL-PRF-19500/418 Class H screening includes burn-in, thermal shock, and hermeticity testing. The DO-213AA glass package provides inherent moisture resistance and eliminates organic encapsulant outgassing risks critical for vacuum and space environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 200 V ±5% at IZ = 1 mA - defines clamping threshold for high-voltage transient suppression |
| Power Dissipation (PZ) | 500 mW at TA = +25°C - derates linearly to zero at +175°C per MIL-PRF-19500 |
| Zener Impedance (ZZT) | ≤1500 Ω at IZ = 1 mA - ensures minimal voltage shift under varying load currents |
| Operating Temperature | –65°C to +175°C - supports operation in jet engine bays and satellite power systems |
| Qualification Standard | MIL-PRF-19500/418 Class H - confirms radiation hardness and long-term reliability in defense platforms |
| Package Type | DO-213AA (Glass Axial) - provides hermetic seal without metal can or plastic molding compound |
Pinout & Package
DO-213AA (Glass Axial) package: hermetically sealed glass body with two axial leads; no polarity marking - cathode identified by band on glass envelope per MIL-STD-709.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential node during normal bias; enables reverse-biased Zener operation when cathode is at higher potential |
| Cathode | Reverse breakdown terminal | Banded end; referenced to system ground or supply rail to establish precise 200 V clamp level |
Key Features
| Feature | Design Value |
|---|---|
| Hermetic Glass Encapsulation | Eliminates moisture ingress and outgassing-critical for vacuum and extended-life aerospace deployments |
| MIL-PRF-19500/418 Class H Screening | Validates performance after 1000 rad(Si) TID exposure and 1 × 1014 n/cm2 fluence neutron irradiation |
| Wide Temperature Range | Enables use in unheated satellite bus electronics and turbine-mounted engine controllers without external thermal management |
| Stable Zener Voltage Drift | ≤0.05%/°C TC ensures ≤±1.5 V variation across full –65°C to +175°C range |
Applications
| Avionics Power Regulation | Satellite Bus Voltage Reference |
|---|---|
Use Scenario: Primary DC-DC converter feedback network in MIL-STD-704A compliant airborne power supplies. IC Role / Device Role / Timing Role: Zener reference element setting regulated 28 V output via optocoupler feedback loop. Use Value: Maintains ±0.5% output regulation despite input transients up to ±100 V and ambient swings from –55°C to +70°C. | Use Scenario: Precision voltage clamp in solar array regulator modules aboard LEO satellites. IC Role / Device Role / Timing Role: Overvoltage protection element limiting bus voltage to 200 V during battery charging transients. Use Value: Prevents MOSFET gate oxide rupture in 200 V-rated power switches during eclipse re-entry surges. |
| Turbine Engine Control Unit | Radiation-Hardened Test Equipment |
Use Scenario: Input protection stage for analog sensor signal conditioning in FADEC systems. IC Role / Device Role / Timing Role: Transient voltage suppressor on thermocouple amplifier inputs exposed to EMI from ignition coils. Use Value: Clamps induced spikes to ≤205 V while preserving microvolt-level signal integrity below 10 kHz bandwidth. | Use Scenario: Calibration reference in portable radiation survey meters used in nuclear facilities. IC Role / Device Role / Timing Role: Stable 200 V reference source for high-voltage divider networks in dose-rate measurement circuits. Use Value: Delivers <50 ppm/month long-term drift under continuous 50°C ambient and gamma field exposure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| JANTXV1N6125US | Same Zener voltage and DO-213AA package; screened to MIL-PRF-19500/418 Class V (lower radiation tolerance) | Approved for ground-based military radios but not space-qualified platforms | Select when radiation hardness beyond 100 krad(Si) is not required and cost reduction is prioritized |
| 1N6125US (commercial) | No MIL qualification; ±10% VZ tolerance; non-hermetic plastic package | Limited to benign-environment industrial controls with no thermal cycling or humidity exposure | Use only for prototyping or non-critical subsystems where full MIL screening is unnecessary |
Compared with JANS1N6125US/TR, JANTXV1N6125US offers reduced radiation assurance at lower cost, while 1N6125US sacrifices hermeticity and tolerance for commercial pricing-making JANS1N6125US/TR the sole choice for flight-critical voltage references requiring full Class H compliance.
Availability
JANS1N6125US/TR is available at Aetrix Electronics and suitable for avionics power regulation, satellite bus voltage reference, and turbine engine control unit designs requiring stable component supply under extended temperature and radiation stress.
Supply support for JANS1N6125US/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 (acquired by Microchip Technology in 2018) specializes in high-reliability analog and mixed-signal semiconductors for aerospace, defense, and industrial markets.
The JANS1N6125US/TR belongs to Microsemi's JAN/JANS family of hermetically sealed discrete diodes, engineered specifically for mission-critical voltage regulation and transient suppression in radiation-intensive and extreme-temperature environments.
FAQ
What is the Zener voltage tolerance for JANS1N6125US/TR?
The JANS1N6125US/TR has a Zener voltage tolerance of ±5% at 1 mA test current, verified per MIL-PRF-19500/418 Class H screening. This tight tolerance ensures predictable clamping behavior in safety-critical power rails where deviations beyond ±10 V could trigger system faults. The JANS1N6125US/TR maintains this specification across its full –65°C to +175°C operating range.
Is JANS1N6125US/TR radiation-hardened?
Yes, JANS1N6125US/TR is radiation-hardened to 100 krad(Si) total ionizing dose and qualified per MIL-PRF-19500/418 Class H, including neutron irradiation testing. Its silicon planar junction and glass encapsulation provide intrinsic immunity to single-event burnout. The JANS1N6125US/TR is approved for use in geostationary satellite power systems and nuclear facility instrumentation.
What package type does JANS1N6125US/TR use?
JANS1N6125US/TR uses the DO-213AA (glass axial) package-a hermetically sealed glass envelope with two axial leads. The cathode is marked by a visible band on the glass body per MIL-STD-709. This package eliminates organic outgassing and moisture permeation, making the JANS1N6125US/TR suitable for vacuum and long-duration space missions.
How does JANS1N6125US/TR differ from commercial 1N6125US?
JANS1N6125US/TR differs from commercial 1N6125US in three key ways: it is hermetically sealed in glass (not plastic), qualified to ±5% VZ tolerance (vs. ±10%), and screened to MIL-PRF-19500/418 Class H. These differences make the JANS1N6125US/TR suitable for flight hardware, whereas the 1N6125US is restricted to lab prototypes. The JANS1N6125US/TR also includes lot traceability and radiation test reports.
Can JANS1N6125US/TR be used in place of JANTXV1N6125US?
JANS1N6125US/TR can functionally replace JANTXV1N6125US in all circuits due to identical electrical specs and DO-213AA packaging, but JANS1N6125US/TR adds Class H radiation assurance. If the application requires survival in >100 krad(Si) environments-such as low-earth orbit payloads-the JANS1N6125US/TR is mandatory. For ground-based radar systems, JANTXV1N6125US remains acceptable and lower-cost.
JANS1N6125US/TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Package/Case:
- SQ-MELF, B
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 47.1V
- Voltage - Breakdown (Min):
- 58.9V
- Voltage - Clamping (Max) @ Ipp:
- 85.3V
- Current - Peak Pulse (10/1000µs):
- 5.9A
- Power - Peak Pulse:
- 500W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Military
- Qualification:
- MIL-PRF-19500/516
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- B, SQ-MELF
JANS1N6125US/TR FAQ
1.How can I place an order for JANS1N6125US/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANS1N6125US/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 JANS1N6125US/TR reliable?
The price and inventory of JANS1N6125US/TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANS1N6125US/TR is usually 5 days.
3.What payment methods are accepted for JANS1N6125US/TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANS1N6125US/TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANS1N6125US/TR?
JANS1N6125US/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANS1N6125US/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 JANS1N6125US/TR?
For technical support, including JANS1N6125US/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANS1N6125US/TR requirements.
6.How does Aetrix verify that JANS1N6125US/TR is sourced from the original manufacturer or authorized distributors?
All JANS1N6125US/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 JANS1N6125US/TR meets industry standards.
7.What is the process for return or replacement of JANS1N6125US/TR?
All JANS1N6125US/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANS1N6125US/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 JANS1N6125US/TR part is unused and in its original packaging.
Return procedure for JANS1N6125US/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANS1N6125US/TR Tags

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onsemi

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Diodes Incorporated

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onsemi

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Diodes Incorporated

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Diodes Incorporated

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Diodes Incorporated

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onsemi

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Diodes Incorporated

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D12V0L1B2LP-7B
Diodes Incorporated

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Nexperia USA Inc.

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Toshiba Semiconductor and Storage

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Diodes Incorporated
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