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Microchip Technology JANTXV1N5642A
- Part No.:
- JANTXV1N5642A
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- DO-202AA, DO-13, Axial
- Datasheet:
-
JANTXV1N5642A.pdf
- Description:
- TVS DIODE 20.5VWM 33.2VC DO13
- Quantity:
- Payment:
- Shipping:
Inventory:9,981
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Product details
Overview
JANTXV1N5642A from Microchip Technology (formerly Microsemi) is a hermetically sealed, unidirectional transient voltage suppressor (TVS) diode in DO-13 metal package, designed for high-reliability aerospace and military applications. It features 20.5 V rated standoff voltage (VWM), 22.8 V minimum breakdown voltage (V(BR)), 33.2 V maximum clamping voltage (VC) at 45 A peak pulse current, and 1500 W peak pulse power rating at 10/1000 µs waveform - used to protect avionics power rails and signal lines from ESD, EFT, and secondary lightning surges.
For engineers reviewing the JANTXV1N5642A datasheet, JANTXV1N5642A pinout, JANTXV1N5642A application, or JANTXV1N5642A equivalent, this part delivers radiation-hardened, MIL-PRF-19500/500 qualified surge suppression with sub-100 ps response time, hermetic DO-13 packaging, and verified IEC 61000-4-2/4-4/4-5 compliance for Class 2 secondary lightning (2 Ω source impedance).
Technical Context
The JANTXV1N5642A operates as a unidirectional avalanche diode, entering controlled breakdown when reverse voltage exceeds its 22.8 V (min) V(BR) at 1 mA test current. Its clamping behavior limits transient voltage to ≤33.2 V at 45 A IPP, enabling robust protection of downstream 24 V systems without overvoltage stress.
Designed for through-hole mounting in harsh environments, it leverages a welded, hermetically sealed DO-13 metal-glass package with cathode-to-case polarity, -55°C to +175°C operating temperature range, and inherent radiation hardness per MicroNote 050 - critical for airborne avionics and space-qualified electronics.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Rated Standoff) | 20.5 V - ensures non-conductive operation under normal 24 V system bias, preventing leakage or power loss during steady-state. |
| V(BR) Min/Max | 22.8 V / 25.2 V @ 1 mA - defines precise avalanche initiation threshold for predictable transient turn-on timing and margin against false triggering. |
| VC @ IPP | 33.2 V @ 45 A - guarantees maximum voltage seen by protected circuit remains below 33.2 V during worst-case 10/1000 µs surge, safeguarding 3.3 V–24 V ICs. |
| PPP | 1500 W @ 10/1000 µs - sustains high-energy transients common in inductive switching and lightning-induced surges without failure. |
| Response Time | <100 ps - enables effective suppression of ESD events (IEC 61000-4-2) and fast-rising EFT bursts (IEC 61000-4-4) before damage occurs. |
| Operating Temp | -55°C to +175°C - supports deployment in engine-mounted sensors, flight control units, and other extreme-temperature avionics subsystems. |
| Package | DO-13 (DO-202AA) - hermetically sealed metal-glass construction provides moisture resistance, mechanical ruggedness, and long-term reliability in vacuum or high-humidity environments. |
Pinout & Package
Hermetically sealed DO-13 (DO-202AA) metal-glass package with axial leads; cathode terminal electrically connected to case and marked by diode symbol on body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Lead 2) | Transient current return path | Connected to ground or low-impedance reference plane; carries full surge current during clamping event. |
| Cathode (Lead 1 / Case) | Protected line connection | Directly tied to the line being protected (e.g., 24 V rail); case serves as functional cathode terminal and thermal path. |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional TVS architecture | Enables precise DC-biased line protection (e.g., 24 V supply) without forward conduction during normal operation. |
| MIL-PRF-19500/500 JANTXV qualification | Validated screening for burn-in, temperature cycling, hermeticity, and radiation hardness - required for DoD and NASA programs. |
| Sub-100 ps response time | Prevents nanosecond-scale ESD pulses from propagating past the device, protecting sensitive analog front-ends and FPGA I/O banks. |
| IEC 61000-4-5 Class 2 compliance (2 Ω source) | Meets surge immunity requirements for airborne equipment subjected to induced secondary lightning transients up to 1 kV open-circuit. |
| Hermetic DO-13 metal package | Eliminates moisture ingress and outgassing risks in vacuum or high-G aerospace environments, ensuring >20-year field life. |
Applications
| Aerospace Power Distribution | Avionics Signal Line Protection |
|---|---|
Use Scenario: Protecting 24 V primary power buses in flight control computers against load dump and inductive switching spikes. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed between bus and chassis ground to clamp transients before they reach DC-DC converters and microcontrollers. Use Value: Limits bus voltage to ≤33.2 V during 45 A surges, preventing latch-up or permanent damage to downstream 28 V tolerant components. |
Use Scenario: Shielding ARINC 429 data lines from ESD and RF-induced transients in cockpit display units. IC Role / Device Role / Timing Role: Low-capacitance TVS mounted at connector interface to shunt fast transients before signal integrity degrades. Use Value: Sub-100 ps response preserves signal edge fidelity while meeting IEC 61000-4-2 ±15 kV contact discharge immunity. |
| Military Vehicle Electronics | Satellite Power Conditioning |
Use Scenario: Safeguarding CAN bus nodes in armored vehicle communication systems exposed to ignition noise and EMP-like events. IC Role / Device Role / Timing Role: Standoff-rated TVS on each node's VCC and CAN_H/CAN_L lines to prevent common-mode surge propagation. Use Value: 20.5 V VWM avoids false triggering during 24 V nominal operation while clamping 1500 W surges to safe levels. |
Use Scenario: Protecting point-of-load regulators in LEO satellite power management units from solar array switching transients. IC Role / Device Role / Timing Role: Radiation-hardened TVS integrated into PCB-level surge protection network upstream of DC-DC modules. Use Value: Hermetic DO-13 package and MicroNote 050 radiation tolerance ensure functionality after 100 krad(Si) total ionizing dose exposure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N5642A | Commercial-grade version; same VWM (20.5 V), VC (33.2 V), and DO-13 package but lacks MIL-PRF-19500/500 screening and radiation hardening. | Approved for industrial or commercial avionics where JANTXV-level reliability is not mandated by program spec. | Select when cost sensitivity outweighs requirement for military qualification and TID tolerance. |
| JANTXV1N5641A | Lower VWM (17.8 V), lower VC (30.6 V), and higher IPP (49 A); otherwise identical DO-13 hermetic construction and JANTXV qualification. | Better suited for 15 V systems or applications requiring tighter clamping margin at reduced surge energy. | Choose for 15 V rail protection where lower clamping voltage improves safety margin for 18 V tolerant loads. |
Compared with JANTXV1N5642A, the 1N5642A offers identical electrical performance without military screening, while JANTXV1N5641A provides lower clamping voltage at the expense of reduced standoff - enabling optimized selection across 15 V and 24 V aerospace platforms.
Availability
JANTXV1N5642A is available at Aetrix Electronics and suitable for aerospace power distribution, avionics signal line protection, and military vehicle electronics requiring stable component supply with full traceability and long-term obsolescence management.
Supply support for JANTXV1N5642A 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
Microchip Technology acquired Microsemi in 2018 and maintains legacy military product lines including high-reliability discrete semiconductors and radiation-hardened components.
The JANTXV1N5642A belongs to Microchip's legacy TVS diode family engineered specifically for defense, aerospace, and space applications demanding hermetic packaging, extended temperature operation, and MIL-PRF-19500 qualification.
FAQ
What is the standoff voltage rating of JANTXV1N5642A?
The JANTXV1N5642A has a rated standoff voltage (VWM) of 20.5 V, meaning it remains non-conductive under continuous reverse bias up to this level - making it ideal for protecting 24 V nominal systems where margin against normal operating voltage is essential. This value is confirmed in the Electrical Characteristics table on page 3 of the T4-LDS-0096 datasheet.
Is JANTXV1N5642A suitable for IEC 61000-4-5 secondary lightning testing?
Yes, JANTXV1N5642A is validated for IEC 61000-4-5 Class 2 secondary lightning protection with 2 Ω source impedance, as explicitly stated in the Applications/Benefits section on page 2 of the datasheet. Its 1500 W peak pulse power rating and 33.2 V clamping voltage ensure compliance under defined surge waveforms.
What package type does JANTXV1N5642A use, and is it hermetically sealed?
JANTXV1N5642A uses the DO-13 (DO-202AA) package - a welded, hermetically sealed metal-and-glass construction specified in the Mechanical and Packaging section on page 2. This sealing method prevents moisture ingress and ensures long-term reliability in vacuum, high-humidity, or high-vibration aerospace environments.
Does JANTXV1N5642A meet military qualification standards?
Yes, JANTXV1N5642A is fully qualified to MIL-PRF-19500/500 per the Features section on page 1, carrying the JANTXV prefix which denotes highest-level military screening including burn-in, temperature cycling, hermeticity testing, and radiation hardness verification per MicroNote 050.
How does JANTXV1N5642A compare to commercial 1N5642A in terms of performance and qualification?
JANTXV1N5642A shares identical electrical specifications (VWM = 20.5 V, VC = 33.2 V, PPP = 1500 W) with commercial 1N5642A but adds MIL-PRF-19500/500 screening, radiation hardness, and extended temperature validation (-55°C to +175°C). The JANTXV version is mandatory for DoD and NASA programs where reliability under extreme conditions is non-negotiable.
JANTXV1N5642A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Package/Case:
- DO-202AA, DO-13, Axial
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 20.5V
- Voltage - Breakdown (Min):
- 22.8V
- Voltage - Clamping (Max) @ Ipp:
- 33.2V
- Current - Peak Pulse (10/1000µs):
- 45A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 175°C (TJ)
- Grade:
- Military
- Qualification:
- MIL-PRF-19500/500
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-13 (DO-202AA)
JANTXV1N5642A FAQ
1.How can I place an order for JANTXV1N5642A through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTXV1N5642A 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 JANTXV1N5642A reliable?
The price and inventory of JANTXV1N5642A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTXV1N5642A is usually 5 days.
3.What payment methods are accepted for JANTXV1N5642A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTXV1N5642A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTXV1N5642A?
JANTXV1N5642A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTXV1N5642A 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 JANTXV1N5642A?
For technical support, including JANTXV1N5642A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTXV1N5642A requirements.
6.How does Aetrix verify that JANTXV1N5642A is sourced from the original manufacturer or authorized distributors?
All JANTXV1N5642A 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 JANTXV1N5642A meets industry standards.
7.What is the process for return or replacement of JANTXV1N5642A?
All JANTXV1N5642A units undergo pre-shipment inspection (PSI). If there is an issue with JANTXV1N5642A, 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 JANTXV1N5642A part is unused and in its original packaging.
Return procedure for JANTXV1N5642A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTXV1N5642A Tags
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