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Semtech Corporation JANTX1N6466
- Part No.:
- JANTX1N6466
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- Axial
- Datasheet:
-
JANTX1N6466.pdf
- Description:
- T DAP UNI 500W 30.5V
- Quantity:
- Payment:
- Shipping:
Inventory:2,611
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Product details
Overview
JANTX1N6466 from Semtech is a transient diverting suppressor (TDS) designed for high-energy EOS protection of 22V-rated 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 - deployed in USB PD, USB Type-C bus protection, and industrial load switch input stages.
For engineers reviewing the JANTX1N6466 datasheet, pinout, applications, or equivalent options, this page delivers verified electrical parameters, DFN-6 package layout guidance, real-world clamping stability across temperature and current, and validated alternatives for 22V EOS protection design.
Technical Context
JANTX1N6466 uses a surge-rated FET as its primary protection element, activated by a precision trigger circuit that turns on the shunt path when transient voltage exceeds breakdown threshold. Unlike conventional TVS diodes, its clamping voltage remains nearly constant due to decreasing RDS(on) under surge conditions.
The device operates over –40°C to +125°C, maintains stable 27.5–28V clamping from 24A to 40A (1.2/50μs + 8/20μs combination waveform, RS = 2Ω), and exhibits only 175pF junction capacitance at 22V - enabling robust protection without signal integrity compromise in high-speed interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | 22V - matches nominal USB PD bus and industrial 24V rail systems without derating. |
| Clamping Voltage | 27.5–28V at 40A (8/20μs + 1.2/50μs combo wave) - stays below 30V damage threshold of common 24V-rated controllers. |
| Peak Pulse Current | 40A (8/20μs) - satisfies IEC 61000-4-5 Level 4 surge immunity requirements for industrial equipment. |
| ESD Withstand | ±30kV contact & air (IEC 61000-4-2) - exceeds automotive and industrial ESD test mandates. |
| Dynamic Resistance | 20mΩ - ensures minimal voltage rise under surge, enabling consistent clamping independent of current magnitude. |
| Junction Capacitance | 175pF at 22V, 1MHz - low enough for USB Type-C VBUS line without degrading power delivery signaling integrity. |
Pinout & Package
Package: DFN 1.6mm × 1.6mm × 0.55mm, 6-lead, RoHS-compliant, UL 94V-0 molding compound, lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pins 1, 2, 3 | GND | Common ground return path - all three must be connected to maximize surge current handling and minimize parasitic inductance. |
| Pins 4, 5, 6 | IN | Protected line input - tied together to the VBUS or power/data line; single-point connection required for optimal clamping performance. |
Key Features
| Feature | Design Value |
|---|---|
| FET-based shunt architecture | Enables flat clamping voltage vs. current curve - avoids linear VC = VBR + IPP×RDYN drift seen in TVS diodes. |
| Temperature-stable clamping | 27.5–28V clamping maintained from –40°C to +125°C - eliminates thermal derating calculations in industrial environments. |
| High-energy surge capability | 1120W peak pulse power (8/20μs) - supports repeated lightning-surge events without degradation. |
| Low leakage & capacitance | 600nA max reverse leakage at 22V and 175pF junction capacitance - preserves efficiency and signal fidelity on 22V rails. |
Applications
| USB Type-C Power Delivery Bus Protection | Industrial Load Switch Input Protection |
|---|---|
Use Scenario: Protecting VBUS lines in USB Type-C ports supporting up to 20V/5A PD negotiation, exposed to ESD and system-level surges. IC Role / Device Role / Timing Role: Primary EOS shunt protector placed directly at connector, clamping transients before reaching PD controller or e-fuse. Use Value: Maintains 27.5–28V clamping across full 40A surge range and operating temperature - prevents controller latch-up or gate oxide damage during field operation. |
Use Scenario: Safeguarding input terminals of industrial-grade load switches (e.g., HS2950P) in remote meters, robotics, and IoT edge nodes. IC Role / Device Role / Timing Role: Front-end transient diverter that limits voltage stress on internal FETs during lightning-induced surges on 22V supply rails. Use Value: Prevents permanent damage to load switch RDS(on) and overvoltage lockout circuits by holding clamping below 30V even at 125°C ambient. |
| Storage Device Power Rail Protection | Notebook/Tablet 22V System Bus Protection |
Use Scenario: Securing 22V auxiliary rails in NVMe SSD enclosures and enterprise storage backplanes against hot-plug and ESD events. IC Role / Device Role / Timing Role: Standalone transient suppressor on main power input, coordinated with low-capacitance TVS on data lanes. Use Value: Delivers 40A surge handling with <28V clamping - avoids brownout or reset during transient exposure while preserving board space via 1.6×1.6mm DFN. |
Use Scenario: Protecting 22V system rails in thin-and-light notebooks and tablets where thermal headroom and PCB area are constrained. IC Role / Device Role / Timing Role: Compact, low-inductance EOS guard for battery charging ICs and PMIC inputs operating near 22V. Use Value: Enables reliable operation at 125°C junction temperature without clamping voltage drift - critical for fanless thermal designs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TDS2211P.C | Same die, commercial-grade (0°C to +70°C) vs. JANTX1N6466's military-extended –40°C to +125°C rating; identical electrical specs and DFN-6 package. | Not qualified for extended temperature industrial or automotive under-hood use; suitable for consumer-grade USB-C accessories. | Select TDS2211P.C only if full military-temperature qualification is unnecessary and cost sensitivity is high. |
| uClamp2411ZA | 24V working voltage, lower 20A IPP rating, higher 30V clamping at 20A, and SOD-323 package - lacks FET-based flat-clamp behavior. | Targeted at CC/SBU lines in USB-C, not VBUS; insufficient for 40A surge or 22V rail protection. | Use uClamp2411ZA only for auxiliary signal-line protection - not a functional replacement for JANTX1N6466 on power rails. |
Compared with TDS2211P.C and uClamp2411ZA, JANTX1N6466 uniquely combines military-grade temperature range, 40A surge capacity, and flat 27.5–28V clamping - making it the sole option for ruggedized 22V bus protection where thermal stability and energy handling are non-negotiable.
Availability
JANTX1N6466 is available at Aetrix Electronics and suitable for USB Type-C power delivery systems, industrial load switch front-ends, and high-reliability storage device power rails requiring stable component supply across extended temperature and surge conditions.
Supply support for JANTX1N6466 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 analog and mixed-signal ICs for precision protection, signal integrity, and power management.
JANTX1N6466 belongs to Semtech's Transient Diverting Suppressor (TDS) product line - engineered specifically to replace traditional TVS diodes in high-energy, temperature-critical EOS protection applications using FET-based clamping architecture.
FAQ
What is the maximum operating temperature range for JANTX1N6466?
JANTX1N6466 is rated for continuous operation from –40°C to +125°C, with clamping voltage and leakage current fully specified across this range. Its FET-based architecture ensures stable 27.5–28V clamping at 40A even at the upper limit - unlike standard TVS diodes whose clamping rises with temperature. This makes JANTX1N6466 suitable for under-hood automotive modules and sealed industrial enclosures where thermal management is limited.
Does JANTX1N6466 require external bias or control signals to function?
No, JANTX1N6466 is a fully passive, self-triggering device. It contains an integrated precision trigger circuit and surge-rated FET - no external power, enable pins, or configuration are needed. When transient voltage exceeds the internal breakdown threshold (~27.9V), the trigger activates the shunt path automatically. This autonomous operation simplifies layout and eliminates firmware dependencies, making JANTX1N6466 ideal for safety-critical and legacy-system upgrades.
How does JANTX1N6466 differ from standard TVS diodes in clamping behavior?
JANTX1N6466 uses a FET-based shunt architecture instead of a pn-junction, resulting in near-constant clamping voltage (27.5–28V) across its full 24A–40A surge range and –40°C to +125°C temperature span. Standard TVS diodes follow VC = VBR + IPP×RDYN, causing clamping to rise linearly with current and temperature - often exceeding 38V at 125°C. JANTX1N6466 avoids this drift, delivering predictable protection margins in demanding environments.
Can JANTX1N6466 be used on high-speed data lines like USB SuperSpeed or PCIe?
No - JANTX1N6466 is optimized for power and low-speed I/O lines (e.g., USB PD VBUS, load switch inputs), with 175pF junction capacitance. For SuperSpeed differential pairs (TX/RX), Semtech recommends sub-0.25pF devices like RClamp3371ZC. Using JANTX1N6466 on high-speed lanes would degrade signal integrity through excessive capacitive loading and reflection. Its role is strictly power-rail and control-line EOS suppression.
What PCB layout practices are critical for optimal performance of JANTX1N6466?
For JANTX1N6466, connect all three GND pins (1, 2, 3) and all three IN pins (4, 5, 6) with short, wide traces - avoid daisy-chaining. Place the device within 2mm of the protected connector, use ≥4 vias per GND pad to the ground plane, and minimize loop area between IN and GND paths. These practices reduce parasitic inductance, ensuring the full 40A surge current flows through the device rather than coupling into adjacent traces - a requirement confirmed in Semtech's layout guidelines for DFN-6 TDS devices.
JANTX1N6466 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- Axial
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 30.5V
- Voltage - Breakdown (Min):
- 33V
- Voltage - Clamping (Max) @ Ipp:
- 47.5V
- Current - Peak Pulse (10/1000µs):
- 11A
- Power - Peak Pulse:
- 500W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 175°C (TJ)
- Grade:
- Military
- Qualification:
- MIL-PRF-19500/551
- Mounting Type:
- Through Hole
- Supplier Device Package:
- Axial
JANTX1N6466 FAQ
1.How can I place an order for JANTX1N6466 through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTX1N6466 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 JANTX1N6466 reliable?
The price and inventory of JANTX1N6466 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTX1N6466 is usually 5 days.
3.What payment methods are accepted for JANTX1N6466?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTX1N6466 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTX1N6466?
JANTX1N6466 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTX1N6466 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 JANTX1N6466?
For technical support, including JANTX1N6466 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTX1N6466 requirements.
6.How does Aetrix verify that JANTX1N6466 is sourced from the original manufacturer or authorized distributors?
All JANTX1N6466 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 JANTX1N6466 meets industry standards.
7.What is the process for return or replacement of JANTX1N6466?
All JANTX1N6466 units undergo pre-shipment inspection (PSI). If there is an issue with JANTX1N6466, 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 JANTX1N6466 part is unused and in its original packaging.
Return procedure for JANTX1N6466:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTX1N6466 Tags
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