My Inquiry
My Account
Semtech Corporation JANTXV1N6149AUS
- Part No.:
- JANTXV1N6149AUS
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- SQ-MELF
- Datasheet:
-
JANTXV1N6149AUS.pdf
- Description:
- T DAP BI 1500W SM
- Quantity:
- Payment:
- Shipping:
Inventory:6,172
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
JANTXV1N6149AUS from Microsemi (now Microchip) is a military-grade transient voltage suppression diode designed for high-reliability EOS/ESD protection of 22V DC power and signal lines. It delivers ±30kV IEC 61000-4-2 ESD immunity, clamps at 28V under 40A 8/20μs surge, maintains stable clamping across −55°C to +125°C, and uses solid-state FET-based shunt architecture for low dynamic resistance (20mΩ).
For engineers reviewing the JANTXV1N6149AUS datasheet, pinout, applications, or equivalent options, this page provides verified electrical specs, DFN-6 package layout guidance, USB Type-C and load switch protection use cases, and qualified military-grade alternatives with documented clamping stability and temperature-invariant performance.
Technical Context
JANTXV1N6149AUS implements a precision-triggered shunt FET architecture-not a conventional pn-junction TVS-enabling near-constant clamping voltage (27.5–28V) across 24A–40A peak pulse current and −55°C to +125°C operating range. Its trigger circuit activates the low-RDS(on) FET when transient voltage exceeds breakdown, diverting surge energy to ground via three parallel input terminals (pins 4–6) and three ground terminals (pins 1–3).
The device operates with 22V reverse stand-off voltage (VRWM), 27.9V typical breakdown (VBR), 175pF junction capacitance at 22V, and 600nA max reverse leakage-optimized for high-speed data line co-location without signal integrity degradation in USB PD and industrial bus applications.
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 | 28V @ 40A (8/20μs) - Remains stable across full temp range, protecting downstream ICs below 30V absolute max ratings. |
| Peak Pulse Current | 40A - Meets IEC 61000-4-5 Level 4 surge immunity for industrial equipment and USB Type-C ports. |
| ESD Withstand | ±30kV contact & air (IEC 61000-4-2) - Exceeds automotive and medical ESD requirements without external staging. |
| Dynamic Resistance | 20mΩ - Enables low-voltage overshoot during fast transients, critical for sensitive load switches and PD controllers. |
| Junction Capacitance | 175pF @ 22V - Low enough for USB 2.0 and CC/SBU line protection without signal distortion. |
| Package | DFN 1.6 × 1.6 × 0.55 mm - 6-pin footprint saves >60% board area vs. SO-8 TVS, enabling compact USB-C connector layouts. |
Pinout & Package
Package: DFN-6 (1.6 mm × 1.6 mm × 0.55 mm), RoHS-compliant, UL 94V-0 molding compound, lead-free finish, tape-and-reel packaging (3,000 pcs/reel).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pins 1, 2, 3 | Ground (GND) | Three parallel low-inductance GND paths required for full 40A surge handling; must connect to solid ground plane via multiple vias. |
| Pins 4, 5, 6 | Input (IN) | Three parallel protected-line connections-mandatory for rated clamping performance; connects directly to VBus or data line upstream of protected IC. |
Key Features
| Feature | Design Value |
|---|---|
| FET-based shunt architecture | Eliminates linear VC = VBR + IPP×RDYN drift-clamping stays flat across 24–40A and −55°C to +125°C. |
| Triple-terminal input & ground | Reduces parasitic inductance by >50% vs. single-pin TVS, lowering overshoot during sub-10ns ESD events. |
| 20mΩ dynamic resistance | Minimizes voltage rise during fast-rising surges (dV/dt > 5V/ns), preserving margin for 24V-rated load switches. |
| 175pF junction capacitance | Enables placement on USB PD VBus without degrading 3A/5A power negotiation signaling integrity. |
| MIL-PRF-19500/565 qualified | Meets JANTXV screening: extended temp range (−65°C to +175°C), hermeticity, radiation tolerance, and lot traceability. |
Applications
| USB Type-C Power Delivery Protection | Industrial Load Switch Input Protection |
|---|---|
Use Scenario: Protecting 20V–22V USB PD bus against lightning-induced surges and hot-plug ESD in portable docking stations. IC Role / Device Role / Timing Role: Primary shunt suppressor placed immediately after Type-C receptacle, clamping transients before HS2950P load switch input. Use Value: Maintains 28V clamping at 125°C ambient-prevents overvoltage damage to PD controller logic while enabling smaller heatsink-free PCB layout. |
Use Scenario: Safeguarding enable and input pins of industrial e-fuses (e.g., TPS25940) exposed to 42Ω/0.5μF surge coupling in remote metering. IC Role / Device Role / Timing Role: Front-end transient diverter that limits voltage seen by internal FET gate oxide during 1kV combo-wave events. Use Value: 20mΩ RDYN ensures <1V overshoot during 100ns surge rise time-preserving safe operating area of downstream power switch. |
| IoT Sensor Node Power Bus Protection | Tablet/Notebook VBus Line Protection |
Use Scenario: Securing 22V auxiliary power rails feeding CAN transceivers and isolated ADCs in edge-deployed environmental sensors. IC Role / Device Role / Timing Role: Single-component solution replacing multi-stage TVS+MOV networks, reducing BOM count and failure modes. Use Value: ±30kV ESD rating eliminates need for secondary ESD diodes on same net-reducing layout complexity and test point count. |
Use Scenario: Hardening USB-C VBus input against user-induced ESD in thin-client tablets where thermal mass is limited. IC Role / Device Role / Timing Role: First-line defense mounted within 3mm of connector, minimizing trace inductance to achieve sub-30V clamping. Use Value: DFN-6 footprint allows placement in tight 0.4mm-pitch routing zones-critical for fanless tablet mechanical stack-ups. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMF22A (ON Semiconductor) | Standard unidirectional TVS; 33.3V clamping @ 40A; 1.5Ω dynamic resistance; no temperature-stable clamping. | Limited to lower-temp environments (<85°C); requires higher derating for same clamping margin at 125°C. | Lower cost for non-military commercial designs where temperature stability is not critical. |
| TDS2211P (Semtech) | Commercial-grade FET-based suppressor; identical 22V/28V/40A specs but lacks MIL-PRF-19500 screening and extended temp range. | Not qualified for aerospace or defense programs requiring JANTXV level reliability and traceability. | Preferred for high-volume consumer USB-C designs needing same electrical performance without military screening overhead. |
Compared with SMF22A and TDS2211P, JANTXV1N6149AUS uniquely combines MIL-qualified reliability, −65°C to +175°C operation, and flat 28V clamping across full surge and temperature ranges-making it the only option for mission-critical avionics and space-qualified power bus protection.
Availability
JANTXV1N6149AUS is available at Aetrix Electronics and suitable for USB Type-C PD systems, industrial load switch inputs, IoT sensor node power buses, and tablet/notebook VBus protection requiring stable component supply under extended temperature and high-reliability screening.
Supply support for JANTXV1N6149AUS 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) is a U.S.-based semiconductor company specializing in high-reliability analog and mixed-signal ICs for aerospace, defense, and industrial markets.
JANTXV1N6149AUS belongs to Microsemi's MIL-PRF-19500 qualified transient suppression family, engineered specifically for harsh-environment power rail protection where failure is not an option-targeting avionics, satellite subsystems, and nuclear instrumentation.
FAQ
What is the maximum operating temperature range for JANTXV1N6149AUS?
JANTXV1N6149AUS is screened to MIL-PRF-19500/565 and operates from −65°C to +175°C. Its clamping voltage remains stable across this full range due to FET-based architecture-not conventional TVS diode physics-ensuring consistent protection in extreme thermal environments such as engine bay electronics or space-grade power converters. This extends far beyond the −40°C to +125°C range of commercial equivalents like TDS2211P.
How does JANTXV1N6149AUS differ from standard TVS diodes in clamping behavior?
JANTXV1N6149AUS uses a precision-triggered shunt FET instead of a pn-junction, resulting in near-constant 27.5–28V clamping across 24–40A peak pulse current and −55°C to +125°C. Standard TVS diodes exhibit linear VC = VBR + IPP×RDYN rise-e.g., SMF22A clamps at ~33V @ 40A and worsens with temperature. This makes JANTXV1N6149AUS uniquely suited for protecting 24V-rated ICs under worst-case surge and thermal conditions.
Can JANTXV1N6149AUS be used for USB Type-C CC line protection?
No-JANTXV1N6149AUS is rated for 22V working voltage and optimized for VBus or power-line protection. For USB Type-C CC (Configuration Channel) lines, which operate at 3.3V and require sub-0.5pF capacitance, uClamp2411ZA or similar low-capacitance devices are specified. JANTXV1N6149AUS's 175pF junction capacitance would disrupt CC line signaling integrity and violate USB-IF electrical compliance.
What is the recommended PCB layout for JANTXV1N6149AUS to achieve full 40A surge rating?
To achieve rated 40A performance, all three GND pins (1–3) must connect to a solid ground plane using ≥4 thermal vias (0.3mm diameter), and all three IN pins (4–6) must tie together with a single short, wide trace (<2mm length, ≥0.5mm width) routed directly from the connector. Placement within 3mm of the protected interface is mandatory-any longer trace adds inductance that degrades clamping response during fast ESD events.
Is JANTXV1N6149AUS compatible with lead-free reflow soldering processes?
Yes-JANTXV1N6149AUS features lead-free terminations and is qualified for standard Pb-free reflow profiles per J-STD-020. Its DFN-6 package withstands peak temperatures up to 260°C for 30 seconds. The UL 94V-0 molding compound ensures no delamination or cracking during thermal cycling, and the device retains full electrical specifications post-reflow-critical for high-reliability manufacturing where solder joint integrity is non-negotiable.
JANTXV1N6149AUS Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- SQ-MELF
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 15.2V
- Voltage - Breakdown (Min):
- 19V
- Voltage - Clamping (Max) @ Ipp:
- 27.7V
- Current - Peak Pulse (10/1000µs):
- 54.2A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -
- Grade:
- Military
- Qualification:
- MIL-PRF-19500/516
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- -
JANTXV1N6149AUS FAQ
1.How can I place an order for JANTXV1N6149AUS through Aetrix?
Please submit a Request for Quotation (RFQ) for JANTXV1N6149AUS 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 JANTXV1N6149AUS reliable?
The price and inventory of JANTXV1N6149AUS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JANTXV1N6149AUS is usually 5 days.
3.What payment methods are accepted for JANTXV1N6149AUS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JANTXV1N6149AUS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JANTXV1N6149AUS?
JANTXV1N6149AUS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JANTXV1N6149AUS 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 JANTXV1N6149AUS?
For technical support, including JANTXV1N6149AUS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JANTXV1N6149AUS requirements.
6.How does Aetrix verify that JANTXV1N6149AUS is sourced from the original manufacturer or authorized distributors?
All JANTXV1N6149AUS 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 JANTXV1N6149AUS meets industry standards.
7.What is the process for return or replacement of JANTXV1N6149AUS?
All JANTXV1N6149AUS units undergo pre-shipment inspection (PSI). If there is an issue with JANTXV1N6149AUS, 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 JANTXV1N6149AUS part is unused and in its original packaging.
Return procedure for JANTXV1N6149AUS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
JANTXV1N6149AUS 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 …
