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Microchip Technology JANTX1N6166US/TR
- Part No.:
- JANTX1N6166US/TR
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- SQ-MELF, C
- Datasheet:
-
JANTX1N6166US/TR.pdf
- Description:
- BI-DIRECTIONAL TVS
- Quantity:
- Payment:
- Shipping:
Inventory:6,619
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Product details
Overview
JANTX1N6166US/TR from Microsemi is a voidless hermetically sealed, bidirectional Transient Voltage Suppressor (TVS) qualified to MIL-PRF-19500/516 at JANTX reliability level. It provides 76.0 V working standoff voltage (VWM), 137.6 V clamping voltage (VC) at 10.9 A peak pulse current (IPP), and 1500 W peak pulse power for 10/1000 µs waveform - deployed in avionics power rail protection and high-reliability military interface circuits.
For engineers reviewing the JANTX1N6166US/TR datasheet, JANTX1N6166US/TR pinout, JANTX1N6166US/TR application, or JANTX1N6166US/TR equivalent, key selection criteria include its MIL-qualified bidirectional clamping behavior, hard-glass hermetic package, Category 1 metallurgical bonds, and IEC61000-4-2/4-4/4-5 compliance for ESD, EFT, and lightning surge immunity.
Technical Context
This TVS operates bidirectionally with no polarity marking and delivers symmetric clamping across both polarities. Its breakdown voltage is 95.0 V at 12 mA (V(BR)), with temperature coefficient αV(BR) of 0.100 %/°C and standby leakage ID ≤5 µA at VWM.
The device uses tungsten slugs and triple-layer passivation within a voidless hard-glass case, enabling operation from −55 °C to +175 °C junction temperature. Thermal resistance from junction to end cap is 5.0 °C/W, supporting robust thermal management in conduction-cooled military PCB layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 76.0 V - maximum continuous reverse/forward voltage before clamping initiates |
| V(BR) | 95.0 V @ 12 mA - precise DC breakdown threshold defining turn-on sensitivity |
| VC @ IPP | 137.6 V @ 10.9 A - clamped voltage during 10/1000 µs surge, limiting downstream stress |
| PPP | 1500 W - peak transient energy absorption capability per single impulse |
| ID @ VWM | ≤5 µA - ultra-low leakage ensures minimal standby power loss in always-on systems |
| TJ Range | −55 °C to +175 °C - supports operation in extreme environmental conditions without derating |
| RθJEC | 5.0 °C/W - enables direct thermal path to mounting surface for high-power surge dissipation |
Pinout & Package
Package: SQ-MELF (C-package variant), hermetically sealed voidless hard glass with tungsten slugs; terminals are tin/lead plated copper; no polarity marking; weight ≈1100 mg.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (bidirectional) | Common terminal pair | Identical electrical behavior in either direction; no functional distinction between ends |
| End Cap (both ends) | Thermal & mechanical interface | Primary heat conduction path to PCB; requires direct metal-to-metal contact for rated RθJEC |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal/power lines without polarity concerns |
| Category 1 metallurgical bonds | Guarantees bond integrity under thermal cycling and mechanical shock per MIL-STD-883 |
| Triple-layer passivation | Prevents moisture ingress and surface leakage degradation in humid or contaminated environments |
| MIL-PRF-19500/516 JANTX qualification | Validated screening includes burn-in, temperature cycling, and lot acceptance testing per military standards |
Applications
| Avionics Power Distribution | Military Data Bus Protection |
|---|---|
Use Scenario: Protecting 28 VDC aircraft bus inputs against load dump and induced lightning transients. IC Role / Device Role / Timing Role: Standoff-clamping TVS placed directly at connector entry point to shunt surges before reaching DC-DC converters. Use Value: 137.6 V clamping ensures downstream 36 V-rated regulators remain within safe operating area during MIL-STD-461G CS115 events. | Use Scenario: Shielding RS-422/RS-485 transceivers in ground vehicle command links from EFT and ESD. IC Role / Device Role / Timing Role: Bidirectional transient suppressor on differential data lines, referenced to chassis ground. Use Value: Sub-5 µA leakage avoids bias current disruption on high-impedance termination networks while maintaining IEC61000-4-4 compliance. |
| Tactical Radio Front-End | Satellite Payload Power Conditioning |
Use Scenario: Safeguarding RF power amplifier bias rails against antenna-coupled EMP and switching noise. IC Role / Device Role / Timing Role: Low-capacitance TVS mounted adjacent to PA supply pins to minimize inductive loop area. Use Value: Hard-glass construction withstands radiation exposure per MicroNote 050, preserving clamping performance in TID >100 krad(Si) environments. | Use Scenario: Securing DC/DC converter inputs in LEO satellite power modules exposed to solar array switching transients. IC Role / Device Role / Timing Role: Primary overvoltage clamp on 100 V bus feeding isolated buck converters. Use Value: 76.0 V VWM aligns with 100 V nominal bus derating margin; 1500 W PPP handles worst-case 10/1000 µs transients per ECSS-E-ST-20-07C. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N6166AUS | Commercial-grade version; same VWM, VC, IPP, but not MIL-qualified | Lacks JANTX screening, burn-in, and lot traceability; unsuitable for flight hardware | Select when cost-sensitive non-military designs require identical electrical specs without qualification overhead |
| JANTXV1N6166US/TR | Higher reliability grade: JANTXV adds extended temperature screening and tighter parametric limits | Required for space-qualified subsystems where failure modes must meet NASA EEE-INST-002 Level 1 | Choose when mission-critical redundancy or radiation tolerance beyond baseline JANTX is mandated |
Compared with JANTX1N6166US/TR, the commercial 1N6166AUS offers identical clamping performance at lower cost but no military screening, while JANTXV1N6166US/TR adds enhanced process controls and wider temperature validation - making it suitable for higher-tier aerospace programs where single-point failure risk must be minimized.
Availability
JANTX1N6166US/TR is available at Aetrix Electronics and suitable for avionics power distribution, military data bus protection, tactical radio front-end hardening, and satellite payload power conditioning requiring stable component supply across long-lifecycle defense and space programs.
Supply support for JANTX1N6166US/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 ICs, discrete devices, and radiation-hardened components for defense, aerospace, and industrial markets.
The JANTX1N6166US/TR belongs to Microsemi's MIL-qualified TVS family designed specifically for electromagnetic hardening of mission-critical electronic systems operating in harsh environments including airborne, ground-mobile, and space platforms.
FAQ
What is the clamping voltage of JANTX1N6166US/TR at its rated peak pulse current?
JANTX1N6166US/TR has a maximum clamping voltage (VC) of 137.6 V when subjected to its rated 10.9 A peak pulse current (IPP) under the standard 10/1000 µs waveform. This value is measured per MIL-PRF-19500/516 test conditions and defines the upper voltage limit imposed on protected circuitry during surge events. The JANTX1N6166US/TR maintains this clamping performance across its full operational temperature range.
Is JANTX1N6166US/TR suitable for bidirectional signal line protection?
Yes, JANTX1N6166US/TR is inherently bidirectional with symmetrical clamping characteristics in both polarities and no polarity marking. It is commonly used on AC-coupled interfaces such as RS-422, MIL-STD-1553, and Ethernet PHY lines where transient suppression must function regardless of signal swing direction. The JANTX1N6166US/TR achieves this without external diode pairing or orientation constraints.
Does JANTX1N6166US/TR comply with IEC61000-4-5 for lightning surge immunity?
JANTX1N6166US/TR provides protection from secondary effects of lightning per select levels in IEC61000-4-5, as confirmed in Microsemi's application documentation. Its 1500 W peak pulse power rating and 137.6 V clamping voltage enable compliance with Level 3 (1 kV line-to-ground, 2 kV line-to-line) when properly implemented with appropriate PCB layout and series impedance. The JANTX1N6166US/TR is not rated for direct lightning injection but mitigates coupled surges.
What is the maximum steady-state power dissipation of JANTX1N6166US/TR at 25 °C ambient?
JANTX1N6166US/TR has a steady-state off-state power rating (PD) of 3.0 W at TA = 25 °C, decreasing linearly to zero at 150 °C end-cap temperature. This rating assumes adequate PCB thermal design with controlled thermal resistance from mounting point to ambient. The JANTX1N6166US/TR is intended primarily for transient suppression, not continuous power dissipation.
Can JANTX1N6166US/TR be soldered using standard SMT reflow profiles?
JANTX1N6166US/TR supports standard leaded reflow with a maximum solder temperature of 260 °C for 10 seconds, per its qualification data. Its hard-glass SQ-MELF package is compatible with Type 3 and Type 4 solder pastes. The JANTX1N6166US/TR requires no special pre-bake or moisture sensitivity handling due to hermetic sealing, and its tin/lead terminations ensure reliable wetting under conventional profiles.
JANTX1N6166US/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):
- 76V
- Voltage - Breakdown (Min):
- 95V
- Voltage - Clamping (Max) @ Ipp:
- 137.6V
- Current - Peak Pulse (10/1000µs):
- 10.9A
- 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
JANTX1N6166US/TR FAQ
1.How can I place an order for JANTX1N6166US/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTX1N6166US/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 JANTX1N6166US/TR reliable?
The price and inventory of JANTX1N6166US/TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTX1N6166US/TR is usually 5 days.
3.What payment methods are accepted for JANTX1N6166US/TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTX1N6166US/TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTX1N6166US/TR?
JANTX1N6166US/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTX1N6166US/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 JANTX1N6166US/TR?
For technical support, including JANTX1N6166US/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTX1N6166US/TR requirements.
6.How does Aetrix verify that JANTX1N6166US/TR is sourced from the original manufacturer or authorized distributors?
All JANTX1N6166US/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 JANTX1N6166US/TR meets industry standards.
7.What is the process for return or replacement of JANTX1N6166US/TR?
All JANTX1N6166US/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANTX1N6166US/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 JANTX1N6166US/TR part is unused and in its original packaging.
Return procedure for JANTX1N6166US/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTX1N6166US/TR Tags
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Diodes Incorporated
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Diodes Incorporated
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Toshiba Semiconductor and Storage
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