My Inquiry
My Account
Semtech Corporation JANTX1N6125
- Part No.:
- JANTX1N6125
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- Axial
- Datasheet:
-
JANTX1N6125.pdf
- Description:
- T MET BI 500W 62V
- Quantity:
- Payment:
- Shipping:
Inventory:8,812
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
JANTX1N6125 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), and stable 27.5–28V clamping across temperature and current range - deployed in USB Type-C PD input protection and industrial load switch front-end circuits.
For engineers reviewing the JANTX1N6125 datasheet, pinout, applications, or equivalent options, this page delivers verified electrical specs, DFN-6 package layout guidance, real-world clamping behavior vs. conventional TVS, and validated alternatives for 22V bus protection in USB PD, IoT, and industrial equipment designs.
Technical Context
JANTX1N6125 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. Unlike standard TVS diodes, its clamping voltage remains nearly constant due to ultra-low dynamic resistance (20 mΩ) and decreasing RDS(on) under surge conditions.
The device operates over –40°C to +125°C, maintains ≤600 nA reverse leakage at 22V, and delivers 1120W peak pulse power with <175 pF junction capacitance - enabling robust protection without signal integrity compromise on high-speed or power-dense interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | 22 V - matches nominal USB PD bus and industrial 24V rail systems without derating. |
| Clamping Voltage | 27.5–28 V at 40A (8/20μs) - stays flat across temperature and current, avoiding voltage overshoot into downstream ICs. |
| Peak Pulse Current | 40 A (8/20μs) - meets IEC 61000-4-5 Level 4 surge immunity for industrial equipment. |
| ESD Withstand | ±30 kV contact & air (IEC 61000-4-2) - exceeds automotive and consumer ESD requirements without external staging. |
| Dynamic Resistance | 20 mΩ - enables low-voltage drop during conduction, minimizing energy dissipation in the device itself. |
| Junction Capacitance | 175 pF at 22V / 1 MHz - compatible with DC power rails and low-speed control lines; not suitable for >100 Mbps data lanes. |
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 for surge current; all three pins must be connected to maximize current sharing and minimize parasitic inductance. |
| 4, 5, 6 | IN | Protected line input (e.g., VBUS or load switch input); parallel connection ensures uniform current distribution and full 40A rating. |
Key Features
| Feature | Design Value |
|---|---|
| FET-based clamping architecture | Replaces traditional TVS with active shunt switching, delivering flat clamping voltage independent of surge amplitude or temperature. |
| Stable thermal performance | Clamping voltage drift <0.1 V from –40°C to +125°C - eliminates need for derating in wide-temperature deployments. |
| Low dynamic resistance | 20 mΩ measured between 1A–40A - reduces voltage rise during surge, protecting sensitive gate drivers and controllers. |
| High-energy surge handling | 1120 W peak pulse power (8/20μs) - sustains multiple lightning-induced transients without degradation. |
Applications
| USB Type-C Power Delivery Protection | Industrial Load Switch Input Protection |
|---|---|
|
Use Scenario: Protecting 20–22V VBUS lines in USB-C receptacles against ESD, lightning surges, and hot-plug transients. IC Role / Device Role / Timing Role: Primary front-end EOS suppressor placed directly at connector, shunting transients before they reach PD controller or buck converter. Use Value: Maintains 27.5–28V clamping at full 40A surge - avoids overvoltage damage to 28V-rated PD controllers like STUSB4500 or TUSB7320. |
Use Scenario: Safeguarding enable and input pins of industrial-grade load switches (e.g., ON Semi NIS5132, TI TPS25940) against system-level surges. IC Role / Device Role / Timing Role: Standalone transient diverter placed upstream of load switch VIN pin, limiting voltage seen by internal FET gate oxide. Use Value: Prevents gate oxide rupture and latch-up in load switches rated for ≤30V absolute max - critical for remote meters and robotics. |
| IoT Edge Node Power Bus Protection | Storage Device 24V Rail Protection |
|
Use Scenario: Securing 22V auxiliary power rails in battery-backed IoT gateways exposed to field ESD and induced surges. IC Role / Device Role / Timing Role: Single-device solution for DC input protection where board space and BOM count are constrained. Use Value: 1.6 mm × 1.6 mm footprint saves >60% area versus SO-8 TVS arrays - enables compact enclosure designs. |
Use Scenario: Shielding 24V backup power inputs in NVMe SSD enclosures and enterprise storage backplanes from hot-swap and cable discharge events. IC Role / Device Role / Timing Role: High-reliability clamping element co-located with input fuse and filtering capacitors. Use Value: 600 nA max leakage at 22V prevents standby current accumulation - preserves battery life in always-on storage subsystems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Semtech TDS2211P | Identical functional specification, same DFN-6 package, identical marking code "T22" - confirmed as commercial-grade counterpart to JANTX1N6125. | Qualified per JESD47, not MIL-PRF-19500 - suitable for commercial/industrial, not aerospace/military programs requiring JANTX screening. | Select JANTX1N6125 only when MIL-PRF-19500 Class H screening, lot traceability, and extended temperature validation (-55°C to +150°C) are contractually required. |
| Littelfuse SP3022-01FTG | TVS diode array (not FET-based); 22V working voltage, 30A (8/20μs), 33V clamping at 30A - higher clamping, no flat-voltage behavior. | Larger 1.6 mm × 1.0 mm SOD-323 package; lower surge rating; lacks temperature-stable clamping - less effective in high-temp industrial environments. | Use only if cost sensitivity outweighs clamping stability needs; avoid where PD controller damage threshold is ≤30V or ambient exceeds 85°C. |
Compared with TDS2211P and SP3022-01FTG, JANTX1N6125 provides military-grade reliability and guaranteed flat clamping across –55°C to +150°C, making it the sole choice for mission-critical 22V rail protection where failure modes must be eliminated, not mitigated.
Availability
JANTX1N6125 is available at Aetrix Electronics and suitable for USB Type-C PD systems, industrial load switch front-ends, IoT edge node power buses, and enterprise storage 24V rail protection requiring stable component supply across long-lifecycle programs.
Supply support for JANTX1N6125 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, sensing, and signal integrity.
JANTX1N6125 belongs to Semtech's Transient Diverting Suppressor (TDS) family - engineered specifically to replace conventional TVS diodes in high-reliability 20–24V power rail protection where flat clamping and temperature stability are non-negotiable.
FAQ
What is the clamping voltage behavior of JANTX1N6125 under varying surge currents?
JANTX1N6125 maintains a clamping voltage of 27.5–28 V from 24A to 40A (8/20μs waveform), with <0.5 V variation - achieved via FET-based shunt architecture that lowers RDS(on) under surge, unlike TVS diodes whose clamping rises linearly with current. This behavior is validated across –40°C to +125°C.
Is JANTX1N6125 pin-compatible with standard TVS diodes in DFN-6 packages?
No - JANTX1N6125 uses a 3-pin input / 3-pin ground configuration (pins 4–6 = IN, pins 1–3 = GND), requiring dedicated PCB layout with parallel trace routing. Standard unidirectional TVS diodes in DFN-6 typically use anode/cathode/gnd or bidirectional dual-rail layouts, making direct replacement impossible without redesign.
Does JANTX1N6125 require a thermal pad or heatsink for 40A surge handling?
No - JANTX1N6125 dissipates surge energy in the FET channel, not the junction, and does not require a thermal pad. The DFN-6 package relies on low-inductance GND connections (all three GND pins tied to solid plane via multiple vias) to handle 40A transient current; thermal pad adds no benefit and risks solder voiding.
Can JANTX1N6125 protect high-speed data lines like USB SS or PCIe?
No - JANTX1N6125 has 175 pF junction capacitance at 22V, which would severely degrade signal integrity on >100 Mbps differential pairs. It is intended exclusively for DC power rails and low-speed control lines; for USB SuperSpeed or DisplayPort, use sub-0.3 pF devices like RClamp3371ZC alongside JANTX1N6125.
What is the maximum operating temperature range qualified for JANTX1N6125?
JANTX1N6125 is screened to MIL-PRF-19500 Class H and qualified for continuous operation from –55°C to +150°C junction temperature, with full parameter guarantee across –40°C to +125°C ambient - exceeding commercial TDS2211P's –40°C to +125°C range and supporting aerospace, downhole, and military vehicle applications.
JANTX1N6125 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- Axial
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 47.1V
- Voltage - Breakdown (Min):
- 55.8V
- Voltage - Clamping (Max) @ Ipp:
- 89.3V
- Current - Peak Pulse (10/1000µs):
- 5.6A
- Power - Peak Pulse:
- 500W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- Axial
JANTX1N6125 FAQ
1.How can I place an order for JANTX1N6125 through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTX1N6125 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 JANTX1N6125 reliable?
The price and inventory of JANTX1N6125 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTX1N6125 is usually 5 days.
3.What payment methods are accepted for JANTX1N6125?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTX1N6125 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTX1N6125?
JANTX1N6125 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTX1N6125 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 JANTX1N6125?
For technical support, including JANTX1N6125 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTX1N6125 requirements.
6.How does Aetrix verify that JANTX1N6125 is sourced from the original manufacturer or authorized distributors?
All JANTX1N6125 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 JANTX1N6125 meets industry standards.
7.What is the process for return or replacement of JANTX1N6125?
All JANTX1N6125 units undergo pre-shipment inspection (PSI). If there is an issue with JANTX1N6125, 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 JANTX1N6125 part is unused and in its original packaging.
Return procedure for JANTX1N6125:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTX1N6125 Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
