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Microchip Technology MXDA3KP26A
- Part No.:
- MXDA3KP26A
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- 16-SMD, Gull Wing
- Datasheet:
-
MXDA3KP26A.pdf
- Description:
- UNI-DIRECTIONAL TVS_16L DIP
- Quantity:
- Payment:
- Shipping:
Inventory:6,385
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Product details
Overview
MXDA3KP26A from Microsemi is a unidirectional 3000 W surface-mount transient voltage suppressor (TVS) array designed for high-reliability secondary lightning and ESD protection in power supply rails and signal lines. It features a 26 V standoff voltage (VWM), 28.9–31.9 V breakdown range (V(BR)), 42.1 V clamping voltage at 71.2 A peak pulse current, and operates from –55 °C to +150 °C.
For engineers reviewing the MXDA3KP26A datasheet, MXDA3KP26A pinout, MXDA3KP26A application, or MXDA3KP26A equivalent, this device is selected for robust surge immunity in telecom power interfaces, industrial I/O protection, and automotive body control modules where fast clamping (<100 ps response), RoHS-compliant packaging, and MIL-PRF-19500 upscreening capability are critical.
Technical Context
The MXDA3KP26A is a single-channel unidirectional TVS diode optimized for 10/1000 µs surge waveforms per IEC61000-4-5. Its clamping action begins at 28.9 V (min V(BR)) and limits transients to ≤42.1 V at 71.2 A, delivering 3000 W peak pulse power with <100 ps response time.
It uses void-free thermosetting epoxy packaging rated UL94V-0, tin-lead or matte-tin terminations, and supports traceable lot-level reliability screening per MIL-PRF-19500. Standby leakage is ≤2 µA at 26 V, and it complies with IPC/JEDEC J-STD-020B Level 1 moisture sensitivity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 26 V - Maximum continuous DC or peak AC voltage the device blocks without conduction |
| V(BR) min/max | 28.9–31.9 V @ 1 mA - Confirmed avalanche onset range defining reliable turn-on threshold |
| VC @ IPP | 42.1 V @ 71.2 A - Clamped voltage during full 3000 W surge, limiting downstream stress |
| IPP | 71.2 A - Peak 10/1000 µs surge current the device safely diverts without failure |
| ID @ VWM | ≤2 µA - Ultra-low leakage ensures minimal power loss in standby rail protection |
| TJ/TSTG | –55 °C to +150 °C - Extended thermal range supports under-hood and industrial ambient operation |
| Package | DO-214AB (SMC) - Standardized surface-mount outline enabling automated assembly and thermal relief |
Pinout & Package
MXDA3KP26A is housed in a DO-214AB (SMC) plastic package with two terminals: cathode (Pin 1, marked by dot) and anode (Pin 2). The case is void-free thermosetting epoxy (UL94V-0), with tin-lead or matte-tin plating per MIL-STD-750 Method 2026.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Cathode) | Surge return path | Connected to protected line; conducts during overvoltage to shunt energy to ground or lower-potential rail |
| Pin 2 (Anode) | Reference node | Typically tied to system ground or common return; establishes polarity for unidirectional clamping |
Key Features
| Feature | Design Value |
|---|---|
| 3000 W peak pulse power | Rated for 10/1000 µs waveform - handles severe lightning-induced surges in telecom and industrial power inputs |
| <100 ps response time | Enables sub-nanosecond clamping - critical for protecting fast-edge logic and RF front-end components |
| MIL-PRF-19500 upscreening option | Available with wafer/assembly lot traceability and 3σ ID screening - meets aerospace and defense reliability requirements |
| RoHS-compliant (e3 marking) | Lead-free matte-tin termination - satisfies environmental compliance without sacrificing solderability or thermal performance |
| Level 1 moisture sensitivity | No dry pack required - simplifies handling and eliminates bake-out prior to reflow |
Applications
| Telecom Power Input Protection | Industrial PLC Digital I/O |
|---|---|
Use Scenario: Protects 24 V DC power feeds in base station remote radio units from induced lightning surges and switching transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between input rail and chassis ground to clamp surges before they reach DC/DC converters. Use Value: Limits transient voltage to ≤42.1 V at 71.2 A, preventing damage to upstream rectifiers and downstream regulators. | Use Scenario: Shields 24 V digital input channels on programmable logic controllers against EFT bursts and relay coil flyback. IC Role / Device Role / Timing Role: Rail-to-ground TVS on each isolated input channel, activated within <100 ps of overvoltage event. Use Value: Maintains ≤2 µA leakage at 24 V nominal, avoiding false triggering while surviving repeated 4 kV EFT per IEC61000-4-4. |
| Automotive Body Control Module | Medical Equipment Power Entry |
Use Scenario: Safeguards LIN bus power rails and sensor supply lines in BCMs exposed to load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Unidirectional clamping device on 12 V auxiliary rails, coordinated with upstream fuses for coordinated protection. Use Value: Withstands 3000 W surges and operates across –55 °C to +150 °C, matching under-hood thermal profiles. | Use Scenario: Secures AC/DC adapter output rails in Class II medical devices against ESD events per IEC61000-4-2 Level 4 (8 kV contact). IC Role / Device Role / Timing Role: Final-stage TVS on low-leakage 24 V output, ensuring patient-connected circuits remain below safety voltage thresholds. Use Value: Delivers certified 42.1 V clamping with ≤2 µA standby current, preserving isolation integrity and meeting IEC 60601-1 creepage requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ26A | Lower PPP rating (400 W), same VWM (26 V), DO-214AC package | Not suitable for IEC61000-4-5 Class 3/4 lightning; limited to ESD/EFT-only zones | Select when cost and board space constrain design, and surge energy is <500 W |
| SMCJ26A | Same PPP (3000 W), identical VWM and VC, DO-214AB package, but no MIL-PRF-19500 screening option | Lacks upscreening path for high-reliability programs; otherwise functionally interchangeable | Choose for commercial/industrial use where traceability and extended screening are not mandated |
Compared with SMAJ26A and SMCJ26A, MXDA3KP26A uniquely combines 3000 W surge capability, MIL-PRF-19500 upscreening eligibility, and RoHS-compliant e3 marking-making it the only option qualified for aerospace-grade power rail protection requiring full lot traceability and temperature derating down to –55 °C.
Availability
MXDA3KP26A is available at Aetrix Electronics and suitable for telecom infrastructure power inputs, industrial PLC I/O protection, and automotive body control modules requiring stable component supply and long-term lifecycle support.
Supply support for MXDA3KP26A 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 ICs and discrete components.
The MDA3KP series was developed for mission-critical surge protection in aerospace, defense, and industrial systems where failure is not an option-emphasizing rugged packaging, verified surge endurance, and full process traceability.
FAQ
What is the clamping voltage of MXDA3KP26A at its rated peak pulse current?
The MXDA3KP26A has a maximum clamping voltage (VC) of 42.1 V at its rated peak pulse current (IPP) of 71.2 A under 10/1000 µs waveform conditions. This value is measured per standard test methods and guarantees that downstream circuitry sees no more than 42.1 V during a full 3000 W surge event, making MXDA3KP26A suitable for protecting 24 V systems with tight voltage margins.
Is MXDA3KP26A unidirectional or bidirectional, and how is polarity identified?
MXDA3KP26A is a unidirectional TVS diode, indicated by the absence of "C" in its part number suffix. Polarity is marked on the DO-214AB package with a dot denoting Pin 1 (cathode); the cathode connects to the protected line, and the anode (Pin 2) connects to ground or reference. This configuration ensures conduction only during positive transients relative to ground.
Does MXDA3KP26A meet IEC61000-4-5 for secondary lightning protection?
Yes, MXDA3KP26A is rated for secondary lightning protection per IEC61000-4-5 with 42 Ω source impedance (Class 1–4), 12 Ω source impedance (Class 1–3), and 2 Ω source impedance (Class 2). Its 3000 W peak pulse power and 42.1 V clamping enable compliance across these test configurations when applied per layout and grounding guidelines in the official Microsemi application notes.
What is the maximum operating temperature range for MXDA3KP26A?
MXDA3KP26A is specified for junction and storage temperatures from –55 °C to +150 °C. This extended range supports deployment in harsh environments such as automotive engine compartments, outdoor telecom cabinets, and industrial motor control enclosures where ambient temperatures exceed standard commercial limits.
Can MXDA3KP26A be used in RoHS-compliant assemblies?
Yes, MXDA3KP26A carries the "e3" marking per its nomenclature, indicating RoHS-compliant matte-tin plating on its terminations. It meets EU Directive 2011/65/EU requirements and is compatible with lead-free reflow profiles, including peak temperatures up to 260 °C for 10 seconds, as validated in Microsemi's qualification testing.
MXDA3KP26A 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:
- 8
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 26V
- Voltage - Breakdown (Min):
- 28.9V
- Voltage - Clamping (Max) @ Ipp:
- 42.1V
- Current - Peak Pulse (10/1000µs):
- 71.2A
- 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:
- -
MXDA3KP26A FAQ
1.How can I place an order for MXDA3KP26A through Aetrix?
Please submit a Request for Quotation (RFQ) for MXDA3KP26A 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 MXDA3KP26A reliable?
The price and inventory of MXDA3KP26A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MXDA3KP26A is usually 5 days.
3.What payment methods are accepted for MXDA3KP26A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MXDA3KP26A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MXDA3KP26A?
MXDA3KP26A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MXDA3KP26A 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 MXDA3KP26A?
For technical support, including MXDA3KP26A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MXDA3KP26A requirements.
6.How does Aetrix verify that MXDA3KP26A is sourced from the original manufacturer or authorized distributors?
All MXDA3KP26A 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 MXDA3KP26A meets industry standards.
7.What is the process for return or replacement of MXDA3KP26A?
All MXDA3KP26A units undergo pre-shipment inspection (PSI). If there is an issue with MXDA3KP26A, 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 MXDA3KP26A part is unused and in its original packaging.
Return procedure for MXDA3KP26A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MXDA3KP26A Tags
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