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Microchip Technology JANTXV1N6462US/TR
- Part No.:
- JANTXV1N6462US/TR
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- SQ-MELF, B
- Datasheet:
-
JANTXV1N6462US/TR.pdf
- Description:
- UNI-DIRECTIONAL TVS
- Quantity:
- Payment:
- Shipping:
Inventory:319
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Product details
Overview
JANTXV1N6462US/TR from Microsemi is a military-qualified unidirectional transient voltage suppressor (TVS) in SQ-MELF glass package, rated for 500 W peak pulse power, 6.0 V working standoff voltage (VWM), and 11.0 V clamping voltage (VC) at 258 A peak impulse current (IPP); used for lightning surge and ESD protection in avionics power rails.
For engineers reviewing the JANTXV1N6462US/TR datasheet, JANTXV1N6462US/TR pinout, JANTXV1N6462US/TR application, or JANTXV1N6462US/TR equivalent, key selection criteria include MIL-PRF-19500/551 JANTXV qualification, voidless hermetic glass construction, Category 1 metallurgical bonds, and IEC61000-4-2/4-4/4-5 compliance for high-reliability defense systems.
Technical Context
This TVS diode operates as a unidirectional clamping device with hard-glass hermetic sealing and tungsten slug terminations, enabling stable performance across –55 °C to +175 °C junction temperature. Its breakdown voltage is 6.5 V minimum at 20 mA test current (V(BR)), with temperature coefficient of +0.060 %/°C.
The device delivers 500 W peak pulse power under 10/1000 µs waveform, clamping transients to ≤11.0 V at 258 A (IPP), while maintaining ≤2500 µA standby current at 6.0 V (VWM). Thermal resistance from junction to endcap is 20 °C/W.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 6.0 V maximum continuous reverse standoff voltage - defines max DC operating voltage before leakage rises above 2500 µA |
| V(BR) min | 6.5 V at 20 mA - guaranteed avalanche onset threshold for reliable clamping initiation |
| VC @ IPP | 11.0 V at 258 A (10/1000 µs) - peak clamped voltage seen by protected circuit during surge |
| PPP | 500 W - maximum transient energy absorption capability under standard 10/1000 µs waveform |
| IPP | 258 A - largest non-repetitive surge current the device can safely divert without failure |
| TJ range | –55 °C to +175 °C - extended thermal envelope supporting operation in harsh military environments |
| αV(BR) | +0.060 %/°C - positive temperature coefficient ensures stable breakdown voltage over temperature |
Pinout & Package
Package: SQ-MELF (B-type), voidless hermetically sealed hard glass case with axial tungsten slugs; cathode band marking; weight ≈ 750 mg; RoHS-compliant matte-tin terminations not available for JANTXV grade.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal in forward bias | Connected to system ground or low-side reference; enables unidirectional clamping from cathode to anode |
| Cathode | Current exit terminal in forward bias; marked with band | Connected to protected line (e.g., 28 VDC rail); conducts surge current to ground during overvoltage events |
Key Features
| Feature | Design Value |
|---|---|
| Voidless hermetic glass seal | Eliminates internal delamination risk under thermal cycling and humidity, ensuring >20-year field reliability in aerospace deployments |
| Category 1 metallurgical bonds | Guarantees bond integrity per MIL-STD-883 method 2011.9, preventing interfacial failure under mechanical shock up to 1500 g |
| MIL-PRF-19500/551 JANTXV qualification | Includes full lot acceptance testing (LAT), burn-in, and radiation hardness per MicroNote 050 - required for Class H space-grade designs |
| Triple-layer passivation | Provides immunity to surface contamination and moisture ingress, enabling operation in salt fog (MIL-STD-810G Method 509.5) |
| Square-end-cap terminals | Enables precise automated placement on PCBs with ±0.005″ tolerance and eliminates tombstoning during reflow |
Applications
| Avionics Power Distribution | Ground Vehicle ECUs |
|---|---|
Use Scenario: Protection of 28 VDC primary bus against load dump and lightning-induced surges in fighter jet flight control systems. IC Role / Device Role / Timing Role: Unidirectional TVS clamping element placed directly across bus input to shunt transients to chassis ground. Use Value: Clamps 258 A surges to ≤11.0 V within 1 ns, preserving integrity of downstream FPGAs and ADCs rated for 12 V absolute max. | Use Scenario: ESD hardening of CAN FD data lines and 12 V sensor supply rails in armored vehicle engine control units. IC Role / Device Role / Timing Role: Standoff-voltage-matched TVS on each protected node, leveraging 6.0 V VWM to avoid false triggering during normal 13.8 V nominal operation. Use Value: Withstands ≥15 kV contact ESD (IEC61000-4-2) and 4 kV EFT bursts (IEC61000-4-4) without parameter shift or parametric drift. |
| Tactical Radio Front-Ends | Satellite Power Conditioning |
Use Scenario: Secondary surge protection on RF amplifier DC bias feeds exposed to induced transients from nearby antenna switching. IC Role / Device Role / Timing Role: Fast-response clamping device mounted adjacent to bias choke, minimizing inductance in clamping path. Use Value: Sub-1 ns response time and 20 °C/W thermal resistance enable repeated 500 W surges without thermal runaway in compact SMT layout. | Use Scenario: Radiation-hardened transient suppression on solar array regulator inputs subjected to single-event transients (SETs) in LEO orbit. IC Role / Device Role / Timing Role: Hermetically sealed, inherently rad-hard TVS selected per MicroNote 050 for total ionizing dose (TID) tolerance >100 krad(Si). Use Value: Maintains V(BR) stability and <2500 µA ID after 100 krad(Si) exposure - validated for 15-year mission life in CubeSat power systems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N6462US (commercial) | No MIL-PRF-19500/551 qualification; no JANTXV screening; higher ID (3000 µA vs 2500 µA) | Limited to non-safety-critical commercial avionics; not approved for flight-critical subsystems | Select only when cost sensitivity outweighs reliability requirements and radiation hardness is unnecessary |
| JANTXV1N6461US/TR | Lower VWM (5.0 V), lower VC (9.0 V), higher IPP (315 A), but same package and qualification level | Better suited for 5 V logic rail protection where tighter clamping margin is critical | Choose when protecting sub-6 V circuits requiring lower clamping voltage and higher surge margin than JANTXV1N6462US/TR |
Compared with JANTXV1N6461US/TR and commercial 1N6462US, JANTXV1N6462US/TR provides optimal balance of 6.0 V standoff compatibility with 28 V systems, JANTXV-level screening, and 11.0 V clamping - making it the preferred choice for MIL-STD-704E-compliant aircraft power interface protection.
Availability
JANTXV1N6462US/TR is available at Aetrix Electronics and suitable for avionics power distribution, ground vehicle ECUs, tactical radio front-ends, and satellite power conditioning requiring stable component supply across long production lifecycles.
Supply support for JANTXV1N6462US/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.
The 1N6461US–1N6468US series was designed specifically to meet MIL-PRF-19500/551 requirements for voidless hermetic TVS devices in safety-critical platforms where failure is not an option.
FAQ
What is the maximum clamping voltage of JANTXV1N6462US/TR under a 10/1000 µs surge?
JANTXV1N6462US/TR has a maximum clamping voltage (VC) of 11.0 V when subjected to its rated peak impulse current of 258 A under the standard 10/1000 µs waveform. This value is guaranteed per the Microsemi T4-LDS-0286-1 datasheet and reflects worst-case clamping performance across the qualified temperature range and lifetime.
Is JANTXV1N6462US/TR RoHS compliant?
No, JANTXV1N6462US/TR is not RoHS compliant. Per Microsemi documentation, RoHS-compliant matte-tin terminations are available only for commercial-grade versions (e.g., 1N6462US), not for JANTXV-qualified parts. The JANTXV1N6462US/TR uses traditional tin/lead over copper terminations to meet MIL-PRF-19500/551 process and reliability requirements.
What does the "US" suffix indicate in JANTXV1N6462US/TR?
The "US" suffix in JANTXV1N6462US/TR denotes the SQ-MELF (B-type) surface-mount package - a voidless hermetically sealed hard glass case with square end caps and axial tungsten slugs. It distinguishes this variant from the axial-leaded "B" package version (e.g., JANTXV1N6462/TR) and confirms compliance with the mechanical dimensions and marking requirements defined in T4-LDS-0286-1.
How does JANTXV1N6462US/TR achieve radiation hardness?
JANTXV1N6462US/TR achieves inherent radiation hardness through its voidless hermetic glass packaging and Category 1 metallurgical bonds, as documented in Microsemi MicroNote 050. These features prevent charge trapping and mitigate displacement damage, enabling stable operation after exposure to >100 krad(Si) total ionizing dose - verified for use in LEO satellite power systems.
What is the thermal resistance from junction to endcap for JANTXV1N6462US/TR?
The thermal resistance from junction to endcap (RθJEC) for JANTXV1N6462US/TR is 20 °C/W, as specified in the Maximum Ratings table of the T4-LDS-0286-1 datasheet. This value enables effective heat dissipation into the PCB pad or heatsink via the tungsten slug terminations, supporting repetitive 500 W surge handling without thermal runaway.
JANTXV1N6462US/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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 6V
- Voltage - Breakdown (Min):
- 6.5V
- Voltage - Clamping (Max) @ Ipp:
- 11V
- Current - Peak Pulse (10/1000µs):
- 46A
- 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-19500/551
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- B, SQ-MELF
JANTXV1N6462US/TR FAQ
1.How can I place an order for JANTXV1N6462US/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTXV1N6462US/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 JANTXV1N6462US/TR reliable?
The price and inventory of JANTXV1N6462US/TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTXV1N6462US/TR is usually 5 days.
3.What payment methods are accepted for JANTXV1N6462US/TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTXV1N6462US/TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTXV1N6462US/TR?
JANTXV1N6462US/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTXV1N6462US/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 JANTXV1N6462US/TR?
For technical support, including JANTXV1N6462US/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTXV1N6462US/TR requirements.
6.How does Aetrix verify that JANTXV1N6462US/TR is sourced from the original manufacturer or authorized distributors?
All JANTXV1N6462US/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 JANTXV1N6462US/TR meets industry standards.
7.What is the process for return or replacement of JANTXV1N6462US/TR?
All JANTXV1N6462US/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANTXV1N6462US/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 JANTXV1N6462US/TR part is unused and in its original packaging.
Return procedure for JANTXV1N6462US/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTXV1N6462US/TR Tags
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