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Microchip Technology MXLDA3KP40CAE3
- Part No.:
- MXLDA3KP40CAE3
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- 16-SMD, Gull Wing
- Datasheet:
-
MXLDA3KP40CAE3.pdf
- Description:
- BI-DIRECTIONAL TVS_16L DIP
- Quantity:
- Payment:
- Shipping:
Inventory:3,368
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Product details
Overview
MXLDA3KP40CAE3 from Microsemi is a bidirectional 3000 W transient voltage suppressor (TVS) array in a surface-mount package, designed for high-reliability secondary lightning protection per IEC61000-4-5 (42 Ω, Class 1–4), ESD suppression per IEC61000-4-2, and EFT protection per IEC61000-4-4. It features a 40 V reverse standoff voltage (VWM), 44.4–49.1 V breakdown voltage (V(BR)), and clamps to ≤64.5 V at 46.4 A peak pulse current (IPP).
For engineers reviewing the MXLDA3KP40CAE3 datasheet, MXLDA3KP40CAE3 pinout, MXLDA3KP40CAE3 application, or MXLDA3KP40CAE3 equivalent, key selection criteria include bidirectional polarity, 3000 W 10/1000 µs surge rating, RoHS-compliant e3 termination, MIL-PRF-19500 upscreening eligibility, and compatibility with industrial power supply input stages, telecom line interfaces, and automotive body control modules.
Technical Context
The MXLDA3KP40CAE3 operates as a symmetrical bidirectional TVS diode array, leveraging avalanche breakdown to clamp transients across both polarities. Its response time is <5 ns, enabling effective suppression of ESD (±15 kV contact), EFT (±2 kV), and induced switching surges.
It is rated for continuous operation from –55 °C to +150 °C junction temperature, with moisture sensitivity level (MSL) 1 and no dry pack required. All units undergo 100% surge testing per 3000 W 10/1000 µs waveform and 3σ lot norm screening on standby current (ID ≤ 2 µA @ 40 V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 40 V - Maximum continuous DC or peak AC voltage the device blocks without clamping |
| V(BR) min/max | 44.4–49.1 V @ 1 mA - Ensures reliable avalanche initiation above operating voltage margin |
| VC @ IPP | ≤64.5 V @ 46.4 A - Clamping voltage during 10/1000 µs surge defines protected circuit's maximum stress |
| PPP | 3000 W @ 10/1000 µs - Peak power handling capacity for standardized lightning-surge simulation |
| ID @ VWM | ≤2 µA - Ultra-low leakage preserves efficiency in high-impedance sensing or bias networks |
| Response time | <5 ns - Enables sub-nanosecond reaction to ESD events per IEC61000-4-2 |
| TJ range | –55 to +150 °C - Supports deployment in under-hood automotive and industrial outdoor enclosures |
Pinout & Package
MXLDA3KP40CAE3 uses a 2-pin DO-214AB (SMC) surface-mount package with void-free UL94V-0 epoxy body, tin-lead or matte-tin plating, and polarity defined by dot marking for Pin 1 (cathode for unidirectional variants; symmetrical for bidirectional). Pin 1 and Pin 2 are interchangeable in bidirectional configuration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode/Cathode (symmetrical) | Bidirectional terminal - functions identically as either anode or cathode depending on transient polarity |
| Pin 2 | Anode/Cathode (symmetrical) | Complementary bidirectional terminal - forms low-impedance clamp path across both voltage polarities |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional construction | Enables single-device protection of AC lines or differential buses without polarity constraints |
| MIL-PRF-19500 upscreening option | Supports high-reliability aerospace and defense programs requiring lot traceability and extended screening |
| 3000 W 10/1000 µs surge rating | Meets IEC61000-4-5 Class 4 (42 Ω source) for robust secondary lightning immunity |
| MSL Level 1 | Eliminates baking requirements and enables standard reflow assembly without moisture-related popcorning |
| RoHS-compliant e3 termination | Matte-tin plating ensures lead-free solder compatibility and long-term intermetallic stability |
Applications
| Industrial Power Input Protection | Telecom Line Interface |
|---|---|
Use Scenario: 48 V DC power feed to programmable logic controllers exposed to load dump and inductive kickback. IC Role / Device Role / Timing Role: Bidirectional TVS array clamping line-to-ground transients before they reach DC-DC converters and microcontrollers. Use Value: Limits voltage excursion to ≤64.5 V during 3000 W surges, preventing latch-up or gate oxide damage in downstream silicon. | Use Scenario: T1/E1 data line interface in base station equipment subject to induced RF and lightning-induced surges. IC Role / Device Role / Timing Role: Symmetrical transient suppressor placed across differential pair to shunt common-mode energy while preserving signal integrity. Use Value: Sub-5 ns response ensures clamping occurs before transceiver ESD protection diodes activate, reducing cumulative stress. |
| Automotive Body Control Module | Renewable Energy Inverter Input |
Use Scenario: 12 V battery-supplied BCM with LIN bus and sensor inputs exposed to ISO 7637-2 pulse 1/2a/5a. IC Role / Device Role / Timing Role: Primary overvoltage clamp on power rail and bidirectional protection on LIN bus pins. Use Value: Withstands 46.4 A peak current at 40 V standoff, meeting OEM requirements for under-hood thermal derating down to –40 °C. | Use Scenario: PV string input stage of grid-tied solar inverter subjected to fast-rising lightning transients per IEC61000-4-5. IC Role / Device Role / Timing Role: Front-end bidirectional TVS absorbing line-to-ground surges before MPPT controller and isolation stage. Use Value: 3000 W rating and 64.5 V clamping enable compliance with Class 4 (42 Ω) test levels without cascaded protection stages. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ40CA | 600 W PPP rating, same VWM and bidirectional polarity, SMB package (smaller footprint, lower thermal mass) | Lower surge capacity limits use to Class 2/3 IEC61000-4-5 or non-lightning environments | Select when board space is constrained and peak surge energy is ≤600 W |
| 1.5KE40CA | 1500 W PPP, axial-leaded DO-201 package, higher mounting height and manual assembly requirement | Lacks surface-mount compatibility and MSL-1 qualification; unsuitable for automated high-volume production | Select only for legacy through-hole designs or prototyping where reflow compatibility is not required |
Compared with SMBJ40CA and 1.5KE40CA, MXLDA3KP40CAE3 delivers double the surge power handling of the SMBJ variant and full SMT manufacturability versus the axial 1.5KE, making it optimal for new industrial and automotive designs demanding Class 4 lightning immunity and automated assembly.
Availability
MXLDA3KP40CAE3 is available at Aetrix Electronics and suitable for industrial power input protection, telecom line interface hardening, and automotive body control module designs requiring stable component supply, long lifecycle support, and traceable sourcing.
Supply support for MXLDA3KP40CAE3 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) is a U.S.-based semiconductor company specializing in high-reliability analog, mixed-signal, and radiation-hardened components for aerospace, defense, and industrial markets.
The MDA3KP series was engineered specifically for high-energy transient suppression in mission-critical systems, emphasizing MIL-PRF-19500 compliance, wide temperature operation, and validated IEC61000-4-5 performance across Class 1–4.
FAQ
What does the 'C' suffix in MXLDA3KP40CAE3 indicate?
The 'C' suffix denotes bidirectional polarity, meaning MXLDA3KP40CAE3 provides symmetrical clamping for both positive and negative transients. This allows single-device protection of AC lines or differential signals without polarity concerns. Unlike unidirectional variants (e.g., MDA3KP40AE3), MXLDA3KP40CAE3 has identical V(BR) and VC characteristics in either direction, verified per the manufacturer's electrical characteristics table.
Is MXLDA3KP40CAE3 RoHS compliant?
Yes, MXLDA3KP40CAE3 is RoHS compliant, as confirmed by the 'e3' suffix in its nomenclature and specification in the mechanical section. The device uses annealed matte-tin plating per MIL-STD-750, method 2026, and meets all substance restrictions under Directive 2011/65/EU. No lead or hazardous substances exceed allowable thresholds, and the package is UL94V-0 rated.
What is the maximum clamping voltage of MXLDA3KP40CAE3 at rated surge current?
The maximum clamping voltage (VC) of MXLDA3KP40CAE3 is 64.5 V at its rated peak pulse current (IPP) of 46.4 A under 10/1000 µs waveform conditions. This value is measured per Figure 2 in the datasheet and defines the upper voltage limit imposed on protected circuitry during worst-case surge events, ensuring downstream ICs remain within safe operating area.
Can MXLDA3KP40CAE3 be used for IEC61000-4-5 Class 4 lightning surge protection?
Yes, MXLDA3KP40CAE3 is explicitly rated for IEC61000-4-5 Class 4 secondary lightning protection with 42 Ω source impedance, as stated in the Applications/Benefits section. Its 3000 W peak pulse power and 46.4 A IPP capability meet the 4 kV test level requirement. Derating per Figure 3 must be applied above 25 °C ambient to maintain compliance.
What is the junction temperature range for MXLDA3KP40CAE3?
MXLDA3KP40CAE3 operates across a junction temperature range of –55 °C to +150 °C, as specified in the Maximum Ratings table. This wide range supports deployment in harsh environments such as automotive under-hood locations, industrial motor drives, and outdoor telecom cabinets. Thermal design must account for power dissipation during repeated surges to avoid exceeding TJ(max).
MXLDA3KP40CAE3 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):
- 40V
- Voltage - Breakdown (Min):
- 44.4V
- Voltage - Clamping (Max) @ Ipp:
- 64.5V
- Current - Peak Pulse (10/1000µs):
- 46.4A
- 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:
- -
MXLDA3KP40CAE3 FAQ
1.How can I place an order for MXLDA3KP40CAE3 through Aetrix?
Please submit a Request for Quotation (RFQ) for MXLDA3KP40CAE3 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 MXLDA3KP40CAE3 reliable?
The price and inventory of MXLDA3KP40CAE3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MXLDA3KP40CAE3 is usually 5 days.
3.What payment methods are accepted for MXLDA3KP40CAE3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MXLDA3KP40CAE3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MXLDA3KP40CAE3?
MXLDA3KP40CAE3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MXLDA3KP40CAE3 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 MXLDA3KP40CAE3?
For technical support, including MXLDA3KP40CAE3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MXLDA3KP40CAE3 requirements.
6.How does Aetrix verify that MXLDA3KP40CAE3 is sourced from the original manufacturer or authorized distributors?
All MXLDA3KP40CAE3 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 MXLDA3KP40CAE3 meets industry standards.
7.What is the process for return or replacement of MXLDA3KP40CAE3?
All MXLDA3KP40CAE3 units undergo pre-shipment inspection (PSI). If there is an issue with MXLDA3KP40CAE3, 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 MXLDA3KP40CAE3 part is unused and in its original packaging.
Return procedure for MXLDA3KP40CAE3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MXLDA3KP40CAE3 Tags
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