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Semtech Corporation JANTXV1N5420
- Part No.:
- JANTXV1N5420
- Manufacturer:
- Semtech Corporation
- Category:
- Single Diodes
- Package:
- Axial
- Datasheet:
-
JANTXV1N5420.pdf
- Description:
- DIODE GEN PURP 600V 4.5A AXIAL
- Quantity:
- Payment:
- Shipping:
Inventory:6,556
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Product details
Overview
JANTXV1N5420 from Semtech is a transient diverting suppressor (TDS) designed for high-energy EOS protection of 22V DC power or I/O lines, featuring ±30kV IEC 61000-4-2 ESD immunity, 40A peak pulse current (8/20μs), 27.5–28V clamping voltage at 40A, and 20mΩ dynamic resistance. It protects USB PD, Type-C VBus, and load switch inputs in industrial and portable electronics.
For engineers reviewing the JANTXV1N5420 datasheet, pinout, applications, or equivalent options, key selection criteria include clamping stability across temperature (−40°C to +125°C), low capacitance (175pF), DFN 1.6×1.6mm package footprint, and FET-based shunt architecture enabling constant-voltage clamping unlike conventional TVS diodes.
Technical Context
The JANTXV1N5420 implements a surge-rated MOSFET as its primary protection element, activated by a precision trigger circuit that senses overvoltage events above 25V breakdown. Its drive circuit rapidly turns on the shunt FET, achieving sub-0.1Ω effective RDS(on) during transients.
This architecture delivers near-constant clamping voltage (27.5–28V) from 24A to 40A peak pulse current and across −40°C to +125°C operating temperature-unlike standard TVS diodes whose clamping rises linearly with current and temperature due to fixed dynamic resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | 22V reverse stand-off - supports nominal 20V USB PD bus without leakage or conduction under normal operation |
| Clamping Voltage | 27.5–28V at 40A (8/20μs + 1.2/50μs combo wave) - stays below 29V across full rated current and temperature range |
| Peak Pulse Current | 40A (8/20μs) - meets IEC 61000-4-5 Level 4 surge immunity for industrial equipment and USB PD systems |
| ESD Withstand | ±30kV contact & air (IEC 61000-4-2) - exceeds Class 4 ESD requirements for external connectors and ports |
| Junction Capacitance | 175pF at 22V, 1MHz - compatible with 22V power rail protection without signal integrity impact on adjacent traces |
| Dynamic Resistance | 20mΩ (measured 1–40A, 8/20μs) - enables flat clamping response and minimal voltage rise under increasing surge stress |
Pinout & Package
Package: DFN 1.6 mm × 1.6 mm × 0.55 mm, 6-lead, RoHS-compliant, UL 94V-0 molding compound, lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3 | GND | Common ground return path - all three pins must be connected to maximize surge current handling and minimize parasitic inductance |
| 4, 5, 6 | IN | Protected line input - connects directly to VBus or power rail; all three pins are internally tied and must be routed together for full 40A capability |
Key Features
| Feature | Design Value |
|---|---|
| FET-based shunt architecture | Replaces junction-based TVS with active MOSFET clamping, delivering stable voltage control independent of current magnitude |
| Constant clamping across temperature | Maintains 27.5–28V clamping from −40°C to +125°C - eliminates thermal derating concerns in industrial enclosures |
| Low dynamic resistance | 20mΩ ensures <0.8V additional drop at 40A - critical for protecting sensitive load switches with tight VDS(max) margins |
| High-energy surge rating | 1120W peak pulse power (8/20μs) - sustains repeated 40A surges without degradation in automotive or factory automation environments |
Applications
| USB Type-C Power Delivery Bus Protection | Industrial Load Switch Input Protection |
|---|---|
Use Scenario: Protecting 20V–22V VBus lines in USB-C receptacles exposed to ESD, lightning-induced surges, and hot-plug transients. IC Role / Device Role / Timing Role: Transient diverting suppressor placed at connector entry point to clamp overvoltage before reaching PD controller or e-fuse IC. Use Value: Prevents damage to USB PD controllers (e.g., TUSB73x, STUSB4500) by limiting clamping to ≤28V - well below typical 30V absolute maximum ratings. |
Use Scenario: Safeguarding high-side load switches (e.g., HS2950P, TPS229xx) against EOS events in remote meters, robotics, and IoT gateways. IC Role / Device Role / Timing Role: Primary front-end protector on VIN rail, absorbing surge energy before it reaches the load switch's internal FET drain. Use Value: Keeps clamping voltage below 29V - within safe operating area of 30V-rated load switches - avoiding catastrophic failure during 1kV/42Ω surge tests. |
| Notebook/Tablet 22V System Rail Protection | IoT Edge Device Power Input Protection |
Use Scenario: Securing main 22V system rails in thin-client notebooks and convertible tablets where board space and thermal headroom are constrained. IC Role / Device Role / Timing Role: Compact, low-profile DFN suppressor mounted adjacent to DC jack or battery input to intercept fast-rising transients. Use Value: 1.6×1.6mm footprint saves >60% area vs. SOD-123 TVS solutions while maintaining 40A surge capability and 175pF capacitance. |
Use Scenario: Hardening 22V auxiliary power inputs in battery-powered IoT sensors deployed outdoors or in electrically noisy factory settings. IC Role / Device Role / Timing Role: First-line defense against EFT bursts (±4kV, 5/50ns) and ESD events in unshielded enclosures with minimal PCB real estate. Use Value: Delivers ±4kV EFT immunity per IEC 61000-4-4 and ±30kV ESD robustness without requiring additional filtering or layout complexity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ22A | Standard unidirectional TVS diode; 35.5V clamping at 22.5A (8/20μs); 1.5Ω dynamic resistance; no temperature-stable clamping | Higher clamping voltage increases risk of downstream IC damage at elevated temperatures or higher currents | Use only where cost is primary constraint and 35.5V clamping is acceptable for protected device VDS(max) |
| TPD2E007DRYR | Low-capacitance (1.5pF) dual-channel ESD protector; 15A peak pulse; 15V working voltage; not rated for 40A surges or 22V bus | Limited to data-line ESD protection (e.g., USB D+/D−), unsuitable for power rail or high-energy surge suppression | Select only for signal-line ESD hardening - never as direct replacement for JANTXV1N5420 on power rails |
Compared with SMAJ22A and TPD2E007DRYR, JANTXV1N5420 uniquely combines 22V working voltage, 40A surge rating, and thermally stable 28V clamping - making it the only viable option for robust 22V power rail protection in USB PD, industrial load switches, and high-reliability edge devices.
Availability
JANTXV1N5420 is available at Aetrix Electronics and suitable for USB Type-C power delivery systems, industrial load switch inputs, and notebook 22V system rail protection requiring stable component supply, long-term lifecycle support, and guaranteed surge performance compliance.
Supply support for JANTXV1N5420 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
Semtech Corporation is a U.S.-based fabless semiconductor company specializing in high-performance analog and mixed-signal ICs for power management, protection, sensing, and connectivity.
JANTXV1N5420 belongs to Semtech's Transient Diverting Suppressor (TDS) product line, engineered specifically to replace conventional TVS diodes in high-energy, temperature-critical power rail protection applications.
FAQ
What is the primary function of the JANTXV1N5420 in a circuit?
The JANTXV1N5420 functions as a transient diverting suppressor that actively clamps overvoltage events on 22V power or I/O lines using a surge-rated MOSFET and precision trigger circuit. Unlike passive TVS diodes, it maintains a stable 27.5–28V clamping voltage across 24–40A surge currents and from −40°C to +125°C - ensuring reliable protection for USB PD controllers, load switches, and industrial power rails.
Does the JANTXV1N5420 require external bias or control signals to operate?
No, the JANTXV1N5420 operates autonomously without external bias, enable signals, or configuration. Its internal trigger circuit activates the shunt FET when input voltage exceeds ~25V, and the device returns to high-impedance standby mode once the transient subsides. This self-contained operation makes JANTXV1N5420 ideal for always-on protection in USB-C, industrial, and IoT applications.
How does the JANTXV1N5420 differ from standard TVS diodes like SMAJ22A?
The JANTXV1N5420 uses an active FET-based shunt architecture, delivering constant 27.5–28V clamping across full current and temperature ranges, whereas SMAJ22A relies on a fixed-junction dynamic resistance causing clamping to rise with current and temperature (e.g., 35.5V at 22.5A). JANTXV1N5420 also offers 40A surge rating vs. SMAJ22A's 22.5A and superior ESD immunity (±30kV vs. ±30kV contact but only ±15kV air for many TVS).
Can the JANTXV1N5420 be used on data lines such as USB SuperSpeed or DisplayPort?
No, the JANTXV1N5420 is not suitable for high-speed data lines due to its 175pF junction capacitance, which would severely degrade signal integrity on USB 3.x, PCIe, or DP channels. It is specifically designed for 22V power rail or low-frequency I/O protection. For data-line ESD protection, Semtech recommends low-capacitance devices like RClamp3371ZC (<0.25pF) - not JANTXV1N5420.
What is the recommended PCB layout for optimal performance of the JANTXV1N5420?
Place the JANTXV1N5420 as close as possible to the protected connector or entry point. Route all three IN pins (4, 5, 6) together via a single short, wide trace; connect all three GND pins (1, 2, 3) directly to a solid ground plane using multiple vias. Avoid stubs or splits - this minimizes parasitic inductance and ensures full 40A surge capability. Do not use thermal pads; energy is dissipated in the silicon, not the package.
JANTXV1N5420 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Series:
- -
- Package/Case:
- Axial
- Packaging:
- Bulk
- Product Status:
- Discontinued at Digi-Key
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 600 V
- Current - Average Rectified (Io):
- 4.5A
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 3 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 400 ns
- Current - Reverse Leakage @ Vr:
- 1 µA @ 600 V
- Capacitance @ Vr, F:
- 120pF @ 4V, 1MHz
- Grade:
- Military
- Qualification:
- MIL-PRF-19500/411
- Mounting Type:
- Through Hole
- Supplier Device Package:
- Axial
- Operating Temperature - Junction:
- -
JANTXV1N5420 FAQ
1.How can I place an order for JANTXV1N5420 through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTXV1N5420 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 JANTXV1N5420 reliable?
The price and inventory of JANTXV1N5420 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTXV1N5420 is usually 5 days.
3.What payment methods are accepted for JANTXV1N5420?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTXV1N5420 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTXV1N5420?
JANTXV1N5420 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTXV1N5420 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 JANTXV1N5420?
For technical support, including JANTXV1N5420 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTXV1N5420 requirements.
6.How does Aetrix verify that JANTXV1N5420 is sourced from the original manufacturer or authorized distributors?
All JANTXV1N5420 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 JANTXV1N5420 meets industry standards.
7.What is the process for return or replacement of JANTXV1N5420?
All JANTXV1N5420 units undergo pre-shipment inspection (PSI). If there is an issue with JANTXV1N5420, 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 JANTXV1N5420 part is unused and in its original packaging.
Return procedure for JANTXV1N5420:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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