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Microchip Technology MXLDA3KP14CA
- Part No.:
- MXLDA3KP14CA
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- 16-SMD, Gull Wing
- Datasheet:
-
MXLDA3KP14CA.pdf
- Description:
- BI-DIRECTIONAL TVS_16L DIP
- Quantity:
- Payment:
- Shipping:
Inventory:7,502
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Product details
Overview
MXLDA3KP14CA from Microsemi is a bidirectional 3000 W transient voltage suppressor (TVS) array in a surface-mount DO-214AB package, designed for high-reliability secondary lightning and ESD protection. It features a 14 V reverse standoff voltage (VWM), 15.6–17.2 V breakdown voltage (V(BR)), 23.2 V maximum clamping voltage at 129.4 A peak pulse current, and operates from –55 °C to +150 °C - deployed in telecom power interfaces and industrial I/O protection circuits.
For engineers reviewing the MXLDA3KP14CA datasheet, MXLDA3KP14CA pinout, MXLDA3KP14CA application, or MXLDA3KP14CA equivalent, key selection criteria include bidirectional polarity, 10/1000 µs surge rating, IEC61000-4-2/4-4/4-5 compliance, thermal derating behavior above 25 °C, and RoHS-compliant matte-tin terminations per MIL-STD-750.
Technical Context
The MXLDA3KP14CA implements a silicon avalanche diode structure optimized for sub-nanosecond response (<5 ns) under bidirectional transients. Its clamping action begins at V(BR) min = 15.6 V with <2 µA standby current at 14 V, sustaining 3000 W peak pulse power per 10/1000 µs waveform while limiting voltage to ≤23.2 V at 129.4 A.
It meets MIL-PRF-19500 screening options for high-reliability applications and supports secondary lightning protection across IEC61000-4-5 classes 1–4 depending on source impedance (2 Ω, 12 Ω, or 42 Ω). Moisture sensitivity level is IPC/JEDEC J-STD-020B Level 1 - no dry pack required.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 14 V - maximum continuous DC or peak AC voltage the device blocks without conduction |
| V(BR) min/max | 15.6–17.2 V @ 1 mA - defines precise avalanche onset threshold for predictable clamping initiation |
| VC @ IPP | 23.2 V @ 129.4 A - maximum voltage seen by protected circuit during worst-case 10/1000 µs surge |
| PPP | 3000 W @ 10/1000 µs - peak transient energy handling capacity under standardized surge waveform |
| ID @ VWM | ≤2 µA - ultra-low leakage ensures minimal power loss and signal integrity in high-impedance lines |
| TJ/TSTG | –55 °C to +150 °C - enables deployment in extended-temperature industrial and aerospace environments |
| RoHS | e3 marking - lead-free matte-tin plating compliant with EU Directive 2011/65/EU |
Pinout & Package
MXLDA3KP14CA uses a DO-214AB (SMC) surface-mount package with two terminals: Pin 1 (cathode) and Pin 2 (anode), marked by a dot on the top surface. Polarity is bidirectional - both terminals function symmetrically as cathode/anode pairs depending on transient polarity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Cathode (bidirectional) | Marked terminal; serves as cathode during positive transients and anode during negative transients |
| Pin 2 | Anode (bidirectional) | Unmarked terminal; serves as anode during positive transients and cathode during negative transients |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional construction | Enables symmetrical clamping for AC-coupled or floating signal/power lines without polarity constraints |
| 3000 W 10/1000 µs rating | Supports robust protection against high-energy surges including induced lightning transients and inductive switching spikes |
| Sub-5 ns response time | Clamps before sensitive downstream ICs experience overvoltage stress - critical for ESD and EFT immunity |
| MIL-PRF-19500 screening option | Enables qualification for military/aerospace programs requiring wafer lot traceability and 3σ ID screening |
| Level 1 moisture sensitivity | Eliminates baking requirements prior to reflow, reducing manufacturing cost and process complexity |
Applications
| Telecom Power Feeds | Industrial PLC I/O Ports |
|---|---|
Use Scenario: Protection of -48 V DC power inputs in central office equipment exposed to induced lightning surges on long copper runs. IC Role / Device Role / Timing Role: Bidirectional TVS array clamping differential-mode transients between power and return lines. Use Value: Limits voltage to ≤23.2 V during 129.4 A surges, preventing damage to upstream DC-DC converters and monitoring ICs. | Use Scenario: Guarding 24 V digital input modules against field-wiring induced transients in factory automation cabinets. IC Role / Device Role / Timing Role: Standoff-rated transient suppressor placed at connector entry point before optocoupler isolation stage. Use Value: Withstands repeated 3000 W surges while maintaining <2 µA leakage - preserving input logic thresholds and system accuracy. |
| Automotive Body Control Modules | Medical Diagnostic Interface Ports |
Use Scenario: Surge suppression on LIN bus power rails subject to load dump and alternator ripple in passenger vehicles. IC Role / Device Role / Timing Role: Bidirectional clamp protecting microcontroller supply pins from coupled transients on shared 12 V rail. Use Value: Operates reliably from –55 °C to +150 °C and passes IEC61000-4-5 Class 3 testing at 12 Ω source impedance. | Use Scenario: Safeguarding USB and RS-232 ports on imaging devices connected to external peripherals in hospital environments. IC Role / Device Role / Timing Role: ESD front-end protector meeting IEC61000-4-2 ±15 kV contact discharge requirement. Use Value: Sub-5 ns response ensures clamping occurs before internal transceivers latch up - maintaining data integrity and patient safety compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ14CA | 600 W PPP rating, same VWM and bidirectional polarity, DO-214AA package | Limited to lower-energy transients; unsuitable for IEC61000-4-5 Class 4 with 42 Ω source | Select when surge energy is constrained to ≤600 W and board space requires smaller SMB footprint |
| SMCJ14CA | 1500 W PPP rating, identical DO-214AB package and VWM, but half the peak pulse power | Adequate for Class 2/3 lightning per IEC61000-4-5 but fails Class 4 validation at 42 Ω | Choose where cost optimization is prioritized and full 3000 W capability is not required |
Compared with SMBJ14CA and SMCJ14CA, MXLDA3KP14CA delivers double the surge energy handling of SMCJ14CA and five times that of SMBJ14CA - enabling single-device compliance with IEC61000-4-5 Class 4 at 42 Ω, while maintaining identical mounting and thermal interface characteristics in DO-214AB.
Availability
MXLDA3KP14CA is available at Aetrix Electronics and suitable for telecom power feeds, industrial PLC I/O ports, and automotive body control modules requiring stable component supply and long-term lifecycle support.
Supply support for MXLDA3KP14CA 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 Corporation (now part of Microchip Technology) designs high-reliability analog and mixed-signal semiconductors for aerospace, defense, and industrial markets.
The MDA3KP series targets high-energy transient protection in mission-critical systems, emphasizing MIL-PRF-19500 screening readiness, wide temperature operation, and repeatable clamping performance under repetitive surge stress.
FAQ
What is the clamping voltage of MXLDA3KP14CA at its rated peak pulse current?
The MXLDA3KP14CA has a maximum clamping voltage (VC) of 23.2 V at its rated peak pulse current (IPP) of 129.4 A under 10/1000 µs waveform conditions. This value is guaranteed across the operating temperature range and represents the upper limit of voltage imposed on the protected circuit during worst-case surge events - critical for ensuring downstream ICs remain within absolute maximum ratings.
Is MXLDA3KP14CA unidirectional or bidirectional, and how is polarity identified?
MXLDA3KP14CA is a bidirectional TVS device, indicated by the "C" suffix in its part number. Polarity is marked by a dot on the package top denoting Pin 1, which functions as the cathode during positive transients and anode during negative transients - enabling symmetrical protection without orientation constraints on PCB layout.
Does MXLDA3KP14CA meet IEC61000-4-5 Class 4 lightning surge requirements?
Yes, MXLDA3KP14CA meets IEC61000-4-5 Class 4 secondary lightning protection when tested with a 42 Ω source impedance, as confirmed in the official Microsemi RF01243 datasheet. Its 3000 W peak pulse power rating and 23.2 V clamping voltage ensure compliance under the 4 kV test level defined for Class 4 at this impedance.
What is the moisture sensitivity level (MSL) of MXLDA3KP14CA, and does it require dry pack handling?
MXLDA3KP14CA is rated IPC/JEDEC J-STD-020B Level 1, meaning it has unlimited floor life and does not require dry pack storage or baking prior to reflow soldering. This simplifies manufacturing logistics and eliminates moisture-related assembly defects such as popcorning or delamination in the DO-214AB epoxy body.
Can MXLDA3KP14CA be used in automotive applications requiring AEC-Q200 qualification?
MXLDA3KP14CA itself is not AEC-Q200 qualified; however, it supports automotive use cases such as body control module power rail protection due to its –55 °C to +150 °C operating range and MIL-PRF-19500 screening options. For AEC-Q200 compliance, users must specify upscreened variants through Microchip's high-reliability program - standard MXLDA3KP14CA is intended for industrial and telecom applications.
MXLDA3KP14CA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Package/Case:
- 16-SMD, Gull Wing
- Series:
- MDA
- Packaging:
- Tube
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 8
- Voltage - Reverse Standoff (Typ):
- 14V
- Voltage - Breakdown (Min):
- 15.6V
- Voltage - Clamping (Max) @ Ipp:
- 23.2V
- Current - Peak Pulse (10/1000µs):
- 129.4A
- Power - Peak Pulse:
- 3000W (3kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- -
MXLDA3KP14CA FAQ
1.How can I place an order for MXLDA3KP14CA through Aetrix?
Please submit a Request for Quotation (RFQ) for MXLDA3KP14CA 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 MXLDA3KP14CA reliable?
The price and inventory of MXLDA3KP14CA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MXLDA3KP14CA is usually 5 days.
3.What payment methods are accepted for MXLDA3KP14CA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MXLDA3KP14CA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MXLDA3KP14CA?
MXLDA3KP14CA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MXLDA3KP14CA 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 MXLDA3KP14CA?
For technical support, including MXLDA3KP14CA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MXLDA3KP14CA requirements.
6.How does Aetrix verify that MXLDA3KP14CA is sourced from the original manufacturer or authorized distributors?
All MXLDA3KP14CA 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 MXLDA3KP14CA meets industry standards.
7.What is the process for return or replacement of MXLDA3KP14CA?
All MXLDA3KP14CA units undergo pre-shipment inspection (PSI). If there is an issue with MXLDA3KP14CA, 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 MXLDA3KP14CA part is unused and in its original packaging.
Return procedure for MXLDA3KP14CA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MXLDA3KP14CA Tags
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