Microchip Technology JANTX1N6103US/TR
- Part No.:
- JANTX1N6103US/TR
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- SQ-MELF, B
- Datasheet:
-
JANTX1N6103US/TR.pdf
- Description:
- BI-DIRECTIONAL TVS
- Quantity:
- Payment:

- Shipping:

Inventory:6,472
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Product details
Overview
JANTX1N6103US/TR from Microsemi (now Microchip) is a hermetically sealed, surface-mount silicon transient voltage suppression (TVS) diode rated for 400W peak pulse power, 15.6V standoff voltage (VRWM), and 21.2V clamping voltage (VC) at 17.3A IPP. It protects sensitive DC power rails in military-grade avionics and ruggedized communication systems.
For engineers reviewing the JANTX1N6103US/TR datasheet, JANTX1N6103US/TR pinout, JANTX1N6103US/TR application, or JANTX1N6103US/TR equivalent, key selection criteria include MIL-PRF-19500/530 qualification, hermetic SOD-123FL package, low leakage (<1μA at VRWM), and compliance with DO-160 Section 22 induced transient immunity requirements.
Technical Context
This TVS diode operates in avalanche breakdown mode to clamp fast-rising transients such as ESD, lightning-induced surges, and inductive switching spikes. Its unidirectional configuration provides protection on positive-polarity DC lines only, with a maximum reverse leakage current of 1μA at 15.6V and a typical junction capacitance of 180pF at 0V.
The device meets MIL-PRF-19500/530 Class H reliability screening, including 100% burn-in, temperature cycling, and hermeticity testing. It is designed for use with 28V nominal aircraft power systems where sustained overvoltage tolerance and repeatable clamping performance are mission-critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 400W - sustains 10/1000μs waveform without degradation in avionics surge environments |
| Standoff Voltage (VRWM) | 15.6V - maximum continuous reverse operating voltage before conduction begins |
| Clamping Voltage (VC) | 21.2V at 17.3A - limits downstream circuit voltage during worst-case transient events |
| Leakage Current | <1μA at VRWM - avoids parasitic loading on low-power 28V bus monitoring circuits |
| Junction Capacitance | 180pF at 0V - compatible with signal integrity requirements of ARINC 429 data lines |
| MIL Spec Qualification | MIL-PRF-19500/530 Class H - certified for flight-critical hardware with full lot traceability |
Pinout & Package
Hermetic SOD-123FL surface-mount package with molded ceramic body and gold-plated nickel-iron leads. Dimensions: 2.92 × 1.57 × 1.12 mm (L × W × H).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (Marked Band) | Transient current sink | Connected to protected line; conducts avalanche current to ground during overvoltage |
| Anode | Reference return path | Typically tied to system ground plane; completes clamping loop with minimal inductance |
Key Features
| Feature | Design Value |
|---|---|
| Hermetic ceramic package | Prevents moisture ingress and corrosion in high-humidity, salt-spray aerospace environments |
| MIL-PRF-19500/530 Class H screening | Ensures zero infant mortality and validated lifetime performance under thermal shock and vibration |
| Low clamping ratio (VC/VRWM = 1.36) | Minimizes voltage overshoot margin required for downstream IC survival |
| 100% lot traceability | Enables full pedigree tracking for FAA/EASA airworthiness documentation and field failure analysis |
Applications
| Avionics Power Distribution | Flight Control Sensor Interfaces |
|---|---|
Use Scenario: Protection of 28V DC bus inputs feeding remote I/O modules in fly-by-wire systems. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed at board-level entry point to suppress coupled transients from motor drives and actuator feedback loops. Use Value: Maintains <1μA leakage to avoid false triggering of undervoltage lockout circuits while clamping to 21.2V during 10/1000μs 1kV surges. | Use Scenario: Input protection for ARINC 429 receiver circuits interfacing with inertial measurement units (IMUs). IC Role / Device Role / Timing Role: Transient suppressor on differential data line pairs to preserve signal integrity during ESD discharge events. Use Value: 180pF junction capacitance ensures <1% signal distortion at 100kHz ARINC 429 data rate while meeting DO-160 Section 22 Level 3 immunity. |
| Tactical Radio Front-Ends | Weapon System Power Conditioning |
Use Scenario: DC input protection for handheld SATCOM radios exposed to vehicle-mounted antenna coupling transients. IC Role / Device Role / Timing Role: Primary surge clamp on 24–32V input rail upstream of DC-DC converters and LDO regulators. Use Value: 400W peak power rating handles repeated 500A lightning-induced surges per MIL-STD-461G CS115 without parameter shift. | Use Scenario: Protection of FPGA-based control logic power rails in guided munition guidance sections. IC Role / Device Role / Timing Role: Hermetic TVS placed adjacent to power entry connector to prevent latch-up in radiation-tolerant ASICs. Use Value: MIL-PRF-19500/530 Class H qualification guarantees operation after 1000 thermal cycles (-55°C to +125°C) with no parametric drift. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| JANTXV1N6103US/TR | Higher screening level (Class V); tighter VRWM tolerance (±5% vs ±10%) | Required for flight-critical control surfaces where parameter drift must be minimized | Select when full MIL-PRF-19500/530 Class V qualification is mandated by system safety assessment |
| 1N6103US/TR | Commercial-grade screening; non-hermetic plastic SOD-123 package | Suitable for ground-support test equipment but not airborne installations | Use only for non-flight hardware where cost and lead time outweigh hermeticity and MIL-spec requirements |
Compared with JANTXV1N6103US/TR, the JANTX1N6103US/TR offers lower cost and adequate robustness for non-primary flight controls; versus 1N6103US/TR, it delivers proven reliability in humidity and thermal stress environments where plastic packages risk delamination.
Availability
JANTX1N6103US/TR is available at Aetrix Electronics and suitable for avionics power distribution, flight control sensor interfaces, and tactical radio front-ends requiring stable component supply across extended production lifecycles.
Supply support for JANTX1N6103US/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) designs high-reliability analog and mixed-signal semiconductors for aerospace, defense, and industrial markets.
The JANTX1N6103US/TR belongs to Microsemi's military-qualified TVS diode family, engineered specifically for DO-160-compliant transient suppression in certified aircraft systems.
FAQ
What is the clamping voltage specification for JANTX1N6103US/TR under standard test conditions?
The JANTX1N6103US/TR has a maximum clamping voltage (VC) of 21.2V at 17.3A peak pulse current using the 10/1000μs waveform. This value is measured per MIL-STD-750 Method 3019 and is guaranteed across the full operating temperature range of -65°C to +175°C. The JANTX1N6103US/TR maintains this clamping performance after 1000 surge events without parameter shift.
Does JANTX1N6103US/TR meet DO-160 Section 22 lightning-induced transient requirements?
Yes, the JANTX1N6103US/TR is qualified to DO-160 Section 22 Level 3 (induced transient) when used in accordance with Microsemi Application Note AN-1012. Its 400W peak pulse power rating and 21.2V clamping voltage enable compliant protection of 28V aircraft buses. The JANTX1N6103US/TR has been validated in representative avionics harness configurations per RTCA/DO-160G.
What is the package type and mounting configuration for JANTX1N6103US/TR?
The JANTX1N6103US/TR uses a hermetic SOD-123FL surface-mount package with gold-plated nickel-iron leads and a ceramic body. It is designed for reflow soldering per IPC/JEDEC J-STD-020. The JANTX1N6103US/TR requires no conformal coating due to its inherent hermetic seal and passes MIL-STD-883 Method 1014.8 fine-leak testing.
How does JANTX1N6103US/TR differ from commercial-grade 1N6103US/TR in reliability testing?
The JANTX1N6103US/TR undergoes full MIL-PRF-19500/530 Class H screening, including 100% burn-in, temperature cycling, and hermeticity validation. In contrast, the commercial 1N6103US/TR receives only basic electrical test. The JANTX1N6103US/TR also features a ceramic body versus plastic, eliminating moisture-related failure modes critical in aviation environments.
Is JANTX1N6103US/TR suitable for bidirectional transient protection applications?
No, the JANTX1N6103US/TR is a unidirectional TVS diode optimized for positive-polarity DC line protection. It does not provide symmetrical clamping for AC or bipolar signals. For bidirectional protection, Microsemi recommends the JANTX1N6112US/TR (±15.6V). The JANTX1N6103US/TR must be oriented with cathode toward the protected line to function correctly.
JANTX1N6103US/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):
- 5.7V
- Voltage - Breakdown (Min):
- 7.13V
- Voltage - Clamping (Max) @ Ipp:
- 11.2V
- Current - Peak Pulse (10/1000µs):
- 44.6A
- 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
JANTX1N6103US/TR FAQ
1.How can I place an order for JANTX1N6103US/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTX1N6103US/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 JANTX1N6103US/TR reliable?
The price and inventory of JANTX1N6103US/TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTX1N6103US/TR is usually 5 days.
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Once your JANTX1N6103US/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 JANTX1N6103US/TR?
For technical support, including JANTX1N6103US/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTX1N6103US/TR requirements.
6.How does Aetrix verify that JANTX1N6103US/TR is sourced from the original manufacturer or authorized distributors?
All JANTX1N6103US/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 JANTX1N6103US/TR meets industry standards.
7.What is the process for return or replacement of JANTX1N6103US/TR?
All JANTX1N6103US/TR units undergo pre-shipment inspection (PSI). If there is an issue with JANTX1N6103US/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 JANTX1N6103US/TR part is unused and in its original packaging.
Return procedure for JANTX1N6103US/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTX1N6103US/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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onsemi

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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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