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Microchip Technology JANTX1N6156AUS/TR
- Part No.:
- JANTX1N6156AUS/TR
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- SQ-MELF, C
- Datasheet:
-
JANTX1N6156AUS/TR.pdf
- Description:
- BI-DIRECTIONAL TVS
- Quantity:
- Payment:
- Shipping:
Inventory:4,125
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Product details
Overview
JANTX1N6156AUS/TR from Microsemi is a military-qualified, voidless hermetically sealed bidirectional Transient Voltage Suppressor (TVS) in SQ-MELF (C) package, rated for 1500 W peak pulse power (10/1000 µs), 29.7 V working standoff voltage (VWM), and 53.6 V clamping voltage (VC) at 28.0 A peak pulse current. It serves as primary overvoltage protection in high-reliability avionics power interfaces.
For engineers reviewing the JANTX1N6156AUS/TR datasheet, JANTX1N6156AUS/TR pinout, JANTX1N6156AUS/TR application, or JANTX1N6156AUS/TR equivalent, key selection criteria include MIL-PRF-19500/516 qualification level (JANTX), bidirectional clamping behavior, glass-body thermal resistance (5.0 °C/W), 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 relies on hard-glass construction with internal Category 1 metallurgical bonds to sustain repeated 1500 W transients without degradation. Its breakdown voltage is 37.1 V minimum at 30 mA test current, with temperature coefficient of 0.095 %/°C - critical for stable clamping across -55 °C to +175 °C junction range.
The device delivers 5 µA maximum standby current at VWM, enabling low-power system monitoring, and maintains clamping performance under impulse repetition rates up to 0.01 % - suitable for infrequent but high-energy fault events in flight-critical subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power (10/1000 µs) | 1500 W - sustains single high-energy surges without failure in MIL-STD-461E/RS103 environments |
| Working Standoff Voltage (VWM) | 29.7 V - maximum continuous DC or repetitive peak voltage before conduction begins |
| Clamping Voltage (VC) | 53.6 V at 28.0 A - limits downstream circuit voltage during transient to protect 36 V-rated ICs |
| Breakdown Voltage (VBR) | 37.1 V min @ 30 mA - defines onset of avalanche conduction with tight tolerance control |
| Standby Current (ID) | 5 µA max @ VWM - negligible leakage in always-on power rail monitoring circuits |
| Junction Temperature Range | -55 °C to +175 °C - supports operation in engine bay, radar transmitter, and space-grade thermal profiles |
| Thermal Resistance (Junction-to-End Cap) | 5.0 °C/W - enables direct heat sinking via end-cap mounting for sustained pulse duty cycles |
Pinout & Package
SQ-MELF (C) surface-mount package: hermetically sealed voidless hard glass body with tungsten slugs and tin/lead-plated copper terminals; square-end-cap geometry for automated placement; 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 anode/cathode distinction required in layout |
| End Cap (Both Ends) | Current path & thermal interface | Primary conduction path and heat dissipation surface; requires direct PCB copper contact or thermal adhesive |
Key Features
| Feature | Design Value |
|---|---|
| Voidless hermetic glass seal | Prevents moisture ingress and internal corrosion over 20+ year field life in humid or salt-laden environments |
| Category 1 metallurgical bonds | Ensures mechanical integrity under shock/vibration per MIL-STD-883 Method 2002.4 (200 g, 1 ms) |
| MIL-PRF-19500/516 qualification (JANTX) | Validated screening includes burn-in, temperature cycling, and lot acceptance testing per military reliability standards |
| IEC61000-4-2/4-4/4-5 compliance | Provides certified immunity to ±8 kV contact / ±15 kV air discharge ESD, 4 kV EFT bursts, and 2 kV line-to-line lightning surges |
Applications
| Aerospace Power Distribution | Avionics Sensor Interface |
|---|---|
Use Scenario: Protection of 28 V DC bus feeders in UAV flight control modules against load dump and inductive switching spikes. IC Role / Device Role / Timing Role: Primary bidirectional clamping element placed directly at bus entry point before DC-DC converters. Use Value: Limits transient overshoot to ≤53.6 V, preventing latch-up in downstream 36 V-input PMICs and preserving system reset integrity. |
Use Scenario: Shielding analog sensor inputs (e.g., pressure transducers) from ESD coupling through unshielded harnesses in cockpit panels. IC Role / Device Role / Timing Role: Low-leakage (5 µA) standoff protector mounted at connector interface, ahead of signal conditioning op-amps. Use Value: Maintains <5 µA bias current error while clamping ±8 kV ESD events within 1 ns, preserving sub-mV measurement accuracy. |
| Military Radio Front-End | Spacecraft Telemetry Harness |
Use Scenario: Guarding RF power amplifier bias rails against antenna-coupled lightning energy in ground-mobile SATCOM terminals. IC Role / Device Role / Timing Role: High-surge-capacity (1500 W) TVS placed between DC supply and PA drain, thermally anchored to chassis. Use Value: Absorbs 2 kV/500 A IEC61000-4-5 surges without parametric shift, ensuring PA remains operational after strike recovery. |
Use Scenario: Protecting LVDS telemetry lines running from payload bays to central data concentrators in LEO satellites. IC Role / Device Role / Timing Role: Radiation-hardened (per MicroNote 050) bidirectional suppressor on differential pairs, leveraging tungsten slug thermal mass. Use Value: Withstands total ionizing dose >100 krad(Si) and maintains VC stability ±3 %, avoiding false telemetry errors during orbit radiation peaks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| JANTX1N6155AUS | Lower VWM (27.4 V), lower VC (49.9 V), higher IPP (30.1 A) | Better suited for 24 V systems requiring tighter clamping margin below 36 V IC thresholds | Select when system nominal voltage is 24 V and clamping headroom must be <25 V above rail |
| JANTX1N6157AUS | Higher VWM (32.7 V), higher VC (59.1 V), lower IPP (25.4 A) | Optimized for 32 V aircraft auxiliary buses where higher standoff prevents nuisance conduction | Choose for 32 V architectures needing ≥3.0 V margin above nominal rail before clamping initiates |
Compared with JANTX1N6156AUS/TR, JANTX1N6155AUS offers tighter clamping for 24 V systems but reduced standoff margin, while JANTX1N6157AUS extends safe operating voltage range at the cost of higher clamping voltage - both require revalidation of downstream voltage tolerances.
Availability
JANTX1N6156AUS/TR is available at Aetrix Electronics and suitable for aerospace power distribution, avionics sensor interface, military radio front-end, and spacecraft telemetry harness applications requiring stable component supply under extended lead times and strict traceability.
Supply support for JANTX1N6156AUS/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, with emphasis on radiation-hardened and MIL-spec components.
The JANTX1N6156AUS/TR belongs to Microsemi's military-qualified TVS diode family engineered for fail-safe transient suppression in mission-critical platforms where single-point failure is unacceptable.
FAQ
What is the qualified reliability level for JANTX1N6156AUS/TR?
JANTX1N6156AUS/TR is qualified to MIL-PRF-19500/516 at JANTX level, which includes rigorous screening such as steady-state burn-in, temperature cycling, and lot acceptance testing. This qualification ensures suitability for high-reliability applications including airborne and ground-mobile military systems where field failure is not acceptable. The JANTX1N6156AUS/TR meets all requirements specified in the Microsemi T4-LDS-0278-1 datasheet Rev. 2.
Does JANTX1N6156AUS/TR have polarity markings?
No, JANTX1N6156AUS/TR is a bidirectional TVS and carries no polarity marking on its SQ-MELF glass body. Its symmetrical construction allows installation in either orientation without affecting clamping performance. This simplifies PCB layout and eliminates risk of reverse installation in high-density avionics assemblies where space is constrained.
What is the thermal resistance specification for JANTX1N6156AUS/TR?
JANTX1N6156AUS/TR has a junction-to-end-cap thermal resistance (RθJEC) of 5.0 °C/W, measured under standard conditions. This value enables effective heat transfer from the active junction to the PCB copper or chassis via direct end-cap contact. Proper thermal anchoring is essential when operating near maximum power derating limits defined in Figure 4 of the T4-LDS-0278-1 datasheet.
Is JANTX1N6156AUS/TR compliant with RoHS?
JANTX1N6156AUS/TR is not RoHS compliant, as it uses tin/lead plating on copper terminals per MIL-PRF-19500/516 requirements. RoHS-compliant matte-tin versions are available only for commercial-grade variants (e.g., 1N6156AUS without JAN/JANTX prefix). The JANTX1N6156AUS/TR retains lead content to ensure solder joint reliability under thermal cycling and mechanical shock conditions typical in defense platforms.
How does JANTX1N6156AUS/TR perform under lightning surge stress per IEC61000-4-5?
JANTX1N6156AUS/TR provides protection against secondary effects of lightning per select levels in IEC61000-4-5, specifically rated for 2 kV line-to-line surges in coupled mode. Its 1500 W peak pulse power rating (10/1000 µs) and 53.6 V clamping voltage ensure downstream 36 V-rated components remain within safe operating area during standardized surge events. Performance is validated per Microsemi's internal test protocol aligned with the standard.
JANTX1N6156AUS/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):
- 29.7V
- Voltage - Breakdown (Min):
- 37.1V
- Voltage - Clamping (Max) @ Ipp:
- 53.6V
- Current - Peak Pulse (10/1000µs):
- 28A
- 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
JANTX1N6156AUS/TR FAQ
1.How can I place an order for JANTX1N6156AUS/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTX1N6156AUS/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 JANTX1N6156AUS/TR reliable?
The price and inventory of JANTX1N6156AUS/TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTX1N6156AUS/TR is usually 5 days.
3.What payment methods are accepted for JANTX1N6156AUS/TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTX1N6156AUS/TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTX1N6156AUS/TR?
JANTX1N6156AUS/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTX1N6156AUS/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 JANTX1N6156AUS/TR?
For technical support, including JANTX1N6156AUS/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTX1N6156AUS/TR requirements.
6.How does Aetrix verify that JANTX1N6156AUS/TR is sourced from the original manufacturer or authorized distributors?
All JANTX1N6156AUS/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 JANTX1N6156AUS/TR meets industry standards.
7.What is the process for return or replacement of JANTX1N6156AUS/TR?
All JANTX1N6156AUS/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANTX1N6156AUS/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 JANTX1N6156AUS/TR part is unused and in its original packaging.
Return procedure for JANTX1N6156AUS/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTX1N6156AUS/TR Tags
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