Microchip Technology JAN1N6158AUS/TR
- Part No.:
- JAN1N6158AUS/TR
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- SQ-MELF, C
- Datasheet:
-
JAN1N6158AUS/TR.pdf
- Description:
- BI-DIRECTIONAL TVS
- Quantity:
- Payment:

- Shipping:

Inventory:8,245
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Product details
Overview
JAN1N6158AUS/TR from Microsemi is a voidless hermetically sealed, bidirectional Transient Voltage Suppressor (TVS) qualified to MIL-PRF-19500/516 at JAN reliability level. It features a 35.8 V working peak standoff voltage (VWM), 44.7 V minimum breakdown voltage (VBR) at 25 mA, 64.6 V clamping voltage (VC) at 23.2 A peak pulse current, and 1500 W peak pulse power for 10/1000 µs waveform - deployed in high-reliability military avionics power rail protection.
For engineers reviewing the JAN1N6158AUS/TR datasheet, JAN1N6158AUS/TR pinout, JAN1N6158AUS/TR application, or JAN1N6158AUS/TR equivalent, key selection criteria include its MIL-qualified bidirectional clamping behavior, hard-glass SQ-MELF package robustness, Category 1 metallurgical bonds, and IEC61000-4-2/4-4/4-5 compliance for ESD, EFT, and lightning-induced surge immunity.
Technical Context
This TVS operates bidirectionally with no polarity marking and delivers consistent clamping performance across -55°C to +175°C junction temperature range. Its voidless hermetic glass construction and tungsten slug terminations ensure stable thermal resistance (RθJEC = 5.0°C/W) and immunity to moisture ingress or bond degradation under thermal cycling.
The device uses triple-layer passivation and internal Category 1 metallurgical bonds to sustain repeated 1500 W transient surges without parameter drift. It meets MIL-STD-750 Method 1020 for ESD insensitivity and exhibits inherent radiation hardness per MicroNote 050 - critical for space-qualified and nuclear-hardened systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 35.8 V - maximum continuous DC or repetitive peak reverse voltage before conduction begins; sets operating margin for protected circuit rails. |
| VBR min @ IBR | 44.7 V @ 25 mA - guaranteed minimum breakdown threshold; ensures predictable turn-on during overvoltage events. |
| VC @ IPP | 64.6 V @ 23.2 A - clamped voltage during 10/1000 µs surge; defines worst-case voltage seen by downstream ICs. |
| PPP | 1500 W - peak pulse power rating; supports robust protection against lightning-induced transients per IEC61000-4-5 Level 3–4. |
| ID @ VWM | 5 µA - leakage current at rated standoff; negligible loading on low-power sensor or control circuits. |
| αV(BR) | 0.095 %/°C - temperature coefficient of breakdown voltage; enables stable clamping across extended military temperature range. |
| TJ/TSTG | -55°C to +175°C - qualified junction/storage temperature range; supports operation in engine bays, radar modules, and satellite payloads. |
Pinout & Package
Package: SQ-MELF (Square-end-cap Metal Electrode Leadless Face), hermetically sealed voidless hard glass case with tungsten slugs; tin/lead-plated copper terminals; weight ≈ 1100 mg; RoHS-compliant matte-tin available only for commercial grade.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (bidirectional) | Common terminal pair | No polarity marking; symmetric conduction in either direction - simplifies PCB layout and eliminates orientation errors. |
| End Cap (both ends) | Thermal and electrical interface | Direct thermal path to PCB pad; RθJEC = 5.0°C/W enables effective heat dissipation during repetitive surges. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines without polarity constraints. |
| Category 1 metallurgical bonds | Guarantees bond integrity under mechanical shock, vibration, and thermal cycling - required for MIL-PRF-19500/516 qualification. |
| Triple-layer passivation | Prevents surface leakage and corrosion in humid, salt-laden, or contaminated environments typical of naval and aerospace deployments. |
| Voidless hermetic seal | Eliminates internal moisture migration and outgassing - essential for long-term reliability in vacuum or sealed enclosures. |
| MIL-PRF-19500/516 JAN qualification | Validated screening includes burn-in, temperature cycling, and life testing - certifies suitability for mission-critical defense electronics. |
Applications
| Avionics Power Distribution | Military Vehicle ECUs |
|---|---|
|
Use Scenario: Protection of 28 V DC power buses in fighter jet flight control computers against load dump and induced lightning transients. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed directly at power entry point to limit bus voltage excursion to ≤64.6 V during 1500 W surges. Use Value: Prevents latch-up or permanent damage to FPGAs and ADCs powered from same rail; maintains system uptime under MIL-STD-461G CS115 compliance. |
Use Scenario: Surge suppression on CAN bus power lines in armored vehicle engine control units exposed to EMP and ignition noise. IC Role / Device Role / Timing Role: Standoff-rated TVS absorbing coupled transients while maintaining <5 µA leakage to preserve low-power sleep mode integrity. Use Value: Enables uninterrupted CAN communication during 10/1000 µs pulses up to 23.2 A - validated per IEC61000-4-5 Level 4. |
| Satellite Payload Interfaces | Nuclear Instrumentation Systems |
|
Use Scenario: Input protection for radiation-tolerant ADC front-ends receiving analog sensor signals from star trackers in LEO orbit. IC Role / Device Role / Timing Role: Hard-glass TVS suppressing ESD events (IEC61000-4-2 ±15 kV contact) without parameter shift due to total ionizing dose. Use Value: Inherent radiation hardness (per MicroNote 050) avoids derating or shielding overhead - reduces SWaP-C in payload design. |
Use Scenario: DC power rail protection in reactor monitoring systems where failure must be excluded per IEEE 344 seismic qualification. IC Role / Device Role / Timing Role: JAN-level TVS providing fail-safe clamping with zero parameter drift after 1000+ thermal cycles between -55°C and +175°C. Use Value: Eliminates need for redundant TVS devices; certified Category 1 bonds withstand seismic shock without bond lift or cracking. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional TVS applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N6158US/TR | Commercial-grade version; lacks JAN qualification, no MIL-PRF-19500/516 screening; same VWM, VBR, VC, PPP. | Not suitable for defense/aerospace programs requiring traceable JAN lot data or MIL-specified environmental testing. | Select when cost-sensitive industrial designs require identical electrical specs but not military reliability assurance. |
| JANTX1N6158AUS/TR | Higher reliability level (JANTX); includes additional screening (e.g., extended burn-in, parametric verification) beyond JAN requirements. | Used in manned aircraft and missile guidance where failure probability must be <10−9/hour per MIL-HDBK-217F. | Choose when system safety analysis mandates enhanced screening beyond baseline JAN qualification. |
Compared with JAN1N6158AUS/TR, 1N6158US/TR offers identical clamping performance at lower cost but no military traceability, while JANTX1N6158AUS/TR adds screening rigor for ultra-high-integrity platforms - enabling tiered qualification matching program risk profiles.
Availability
JAN1N6158AUS/TR is available at Aetrix Electronics and suitable for avionics power distribution, military vehicle ECUs, satellite payload interfaces, and nuclear instrumentation systems requiring stable component supply with full MIL-qualified traceability.
Supply support for JAN1N6158AUS/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.
JAN1N6158AUS/TR belongs to Microsemi's legacy MIL-qualified TVS family designed specifically for mission-critical surge protection in environments where parameter stability, hermetic integrity, and radiation tolerance are non-negotiable.
FAQ
What is the clamping voltage of JAN1N6158AUS/TR under a 10/1000 µs surge?
The JAN1N6158AUS/TR has a maximum clamping voltage (VC) of 64.6 V when subjected to a 23.2 A peak pulse current with a 10/1000 µs waveform. This value is guaranteed across the full -55°C to +175°C operating temperature range and forms the basis for downstream IC overvoltage margining in designs using JAN1N6158AUS/TR.
Is JAN1N6158AUS/TR compatible with lead-free reflow processes?
JAN1N6158AUS/TR is rated for solder temperature up to 260°C for 10 seconds, making it compatible with standard lead-free reflow profiles. However, its tin/lead-plated terminals are not RoHS-compliant; RoHS-compliant matte-tin plating is available only on commercial-grade variants (e.g., 1N6158AUS/TR), not JAN1N6158AUS/TR.
Does JAN1N6158AUS/TR require polarity-aware PCB layout?
No - JAN1N6158AUS/TR is a bidirectional TVS with no polarity marking and symmetric conduction characteristics. Its SQ-MELF package has identical end-cap terminals, allowing placement in either orientation on the PCB without affecting clamping performance or reliability.
How does JAN1N6158AUS/TR meet IEC61000-4-5 lightning surge requirements?
JAN1N6158AUS/TR delivers 1500 W peak pulse power for 10/1000 µs waveforms, enabling it to clamp lightning-induced surges per IEC61000-4-5 Level 3 (1 kV line-to-earth) and Level 4 (2 kV line-to-earth). Its 64.6 V clamping voltage ensures protected circuits remain within safe operating limits during such events.
What is the thermal resistance from junction to end cap for JAN1N6158AUS/TR?
The thermal resistance from junction to end cap (RθJEC) for JAN1N6158AUS/TR is 5.0°C/W. This low value enables efficient heat transfer from the silicon junction through the tungsten slugs into the PCB pads, supporting reliable operation during repetitive surge events without thermal runaway.
JAN1N6158AUS/TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Package/Case:
- SQ-MELF, C
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 35.8V
- Voltage - Breakdown (Min):
- 44.7V
- Voltage - Clamping (Max) @ Ipp:
- 64.6V
- Current - Peak Pulse (10/1000µs):
- 23.2A
- Power - Peak Pulse:
- 1500W (1.5kW)
- 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:
- C, SQ-MELF
JAN1N6158AUS/TR FAQ
1.How can I place an order for JAN1N6158AUS/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JAN1N6158AUS/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 JAN1N6158AUS/TR reliable?
The price and inventory of JAN1N6158AUS/TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JAN1N6158AUS/TR is usually 5 days.
3.What payment methods are accepted for JAN1N6158AUS/TR?
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Note: Certain payment methods may incur a processing fee.
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JAN1N6158AUS/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JAN1N6158AUS/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 JAN1N6158AUS/TR?
For technical support, including JAN1N6158AUS/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JAN1N6158AUS/TR requirements.
6.How does Aetrix verify that JAN1N6158AUS/TR is sourced from the original manufacturer or authorized distributors?
All JAN1N6158AUS/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 JAN1N6158AUS/TR meets industry standards.
7.What is the process for return or replacement of JAN1N6158AUS/TR?
All JAN1N6158AUS/TR units undergo pre-shipment inspection (PSI). If there is an issue with JAN1N6158AUS/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 JAN1N6158AUS/TR part is unused and in its original packaging.
Return procedure for JAN1N6158AUS/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JAN1N6158AUS/TR Tags

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Diodes Incorporated

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Diodes Incorporated

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Diodes Incorporated

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Diodes Incorporated

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Nexperia USA Inc.

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Toshiba Semiconductor and Storage

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