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Microchip Technology MXDA3KP20CAE3
- Part No.:
- MXDA3KP20CAE3
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- 16-SMD, Gull Wing
- Datasheet:
-
MXDA3KP20CAE3.pdf
- Description:
- BI-DIRECTIONAL TVS_16L DIP
- Quantity:
- Payment:
- Shipping:
Inventory:8,104
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Product details
Overview
MXDA3KP20CAE3 from Microsemi is a bidirectional 3000 W surface-mount transient voltage suppressor (TVS) array designed for high-reliability secondary lightning and ESD/EFT protection in industrial power interfaces. It features a 20 V standoff voltage (VWM), 22.2–24.5 V breakdown range (V(BR)), 32.4 V max clamping voltage at 92.6 A peak pulse current, and operates from –55 °C to +150 °C. Used in AC/DC front-end surge protection circuits.
For engineers reviewing the MXDA3KP20CAE3 datasheet, MXDA3KP20CAE3 pinout, MXDA3KP20CAE3 application, or MXDA3KP20CAE3 equivalent, key selection criteria include bidirectional polarity, IEC61000-4-5 Class 1–4 compliance with 42 Ω/12 Ω/2 Ω source impedances, RoHS-compliant e3 plating, and 10/1000 µs surge rating up to 3000 W.
Technical Context
The MXDA3KP20CAE3 implements a dual-diode, center-tapped bidirectional TVS structure enabling symmetrical clamping for AC-coupled lines. Its <100 ps response time ensures effective suppression of ESD per IEC61000-4-2 and fast transients per IEC61000-4-4, while its 3000 W 10/1000 µs rating supports secondary lightning protection per IEC61000-4-5 across multiple impedance classes.
Designed for surface-mount vertical mounting, it uses void-free UL94V-0 epoxy packaging with tin-lead or matte-tin (e3) plating compliant with MIL-STD-750 Method 2026. Polarity follows odd-pin cathode convention, and moisture sensitivity is Level 1 per J-STD-020B-no dry pack required.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 20 V - maximum continuous working voltage before clamping begins; matches 17–20 V AC RMS or DC bus peaks. |
| V(BR) min–max | 22.2–24.5 V - guaranteed breakdown threshold at 1 mA; ensures predictable turn-on margin above VWM. |
| VC @ IPP | 32.4 V at 92.6 A - clamping voltage under full 10/1000 µs surge; limits downstream voltage stress during worst-case transients. |
| PPP | 3000 W - peak pulse power handling at 10/1000 µs waveform; defines energy absorption capability per transient event. |
| ID @ VWM | 2 µA - standby leakage at rated standoff; negligible power loss and minimal impact on high-impedance sensing nodes. |
| TJ/TSTG | –55 to +150 °C - extended junction/storage temperature range enables use in harsh industrial and outdoor environments. |
| Polarity | Bidirectional - symmetric clamping for AC signals or ungrounded differential lines without polarity concerns. |
| RoHS | e3 - lead-free matte-tin terminal plating compliant with RoHS Directive 2011/65/EU and JEDEC J-STD-020B. |
Pinout & Package
MXDA3KP20CAE3 uses a 3-pin vertical surface-mount package (case outline per RF01243, Page 6) with center-tapped configuration: Pin 1 and Pin 3 are cathodes, Pin 2 is the common anode. Package dimensions: 21.03–22.05 mm length × 6.86–7.87 mm width × 8.64–9.65 mm height; weight ≈5 g; UL94V-0 thermosetting epoxy body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Cathode (TVS1) | Connects to protected line 1; forms one half of bidirectional clamp path to common anode (Pin 2). |
| Pin 2 | Common Anode | Reference node tied to system ground or common return; completes both clamping paths in bidirectional operation. |
| Pin 3 | Cathode (TVS2) | Connects to protected line 2; mirrors Pin 1 to enable symmetrical overvoltage clamping across differential or AC pairs. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC mains, Ethernet pairs, or ungrounded signal lines without polarity constraints. |
| 3000 W 10/1000 µs rating | Meets IEC61000-4-5 Class 4 (42 Ω source) and Class 3 (12 Ω source) requirements for secondary lightning immunity. |
| <100 ps response time | Guarantees sub-nanosecond turn-on for ESD events per IEC61000-4-2 ±8 kV contact discharge. |
| MIL-PRF-19500 screening option | Supports high-reliability programs requiring wafer lot traceability, 3σ ID screening, and conformance inspection. |
| Level 1 MSL | Eliminates bake-out or dry-pack requirements prior to reflow, reducing manufacturing overhead and moisture-related defects. |
Applications
| AC/DC Power Input Protection | Industrial Ethernet Port Protection |
|---|---|
Use Scenario: Surge protection on 24 VAC or 48 VDC industrial power supplies exposed to load switching and nearby lightning-induced surges. IC Role / Device Role / Timing Role: Bidirectional TVS array clamping line-to-line and line-to-ground transients before they reach rectifier and regulator stages. Use Value: Limits peak voltage to ≤32.4 V during 92.6 A surges, preventing damage to bridge rectifiers and bulk capacitors while maintaining >20 V operating margin. | Use Scenario: Protecting RJ45 Ethernet PHY interfaces in programmable logic controllers (PLCs) installed in factory-floor cabinets. IC Role / Device Role / Timing Role: Differential pair TVS suppressing common-mode EFT bursts and induced RF coupling on twisted-pair data lines. Use Value: Symmetrical clamping preserves signal integrity under ±4 kV EFT (IEC61000-4-4) and prevents PHY latch-up without adding series impedance. |
| Smart Meter Communication Interfaces | Renewable Energy Inverter DC Link Monitoring |
Use Scenario: Securing RS-485 or PLC communication ports in utility smart meters subject to grid-side surges and ESD during field servicing. IC Role / Device Role / Timing Role: Bidirectional transient suppressor placed between transceiver and connector, referenced to isolated ground plane. Use Value: Withstands repeated 10/1000 µs surges up to 3000 W while maintaining <2 µA leakage-critical for battery-backed meter operation. | Use Scenario: Overvoltage protection on voltage-sense inputs monitoring 600–1000 VDC link in solar inverters during rapid PV string disconnection events. IC Role / Device Role / Timing Role: Front-end TVS limiting transient excursions on resistive divider networks feeding isolated ADCs. Use Value: Clamps transients to 32.4 V before they exceed input range of precision isolation amplifiers, avoiding saturation and measurement corruption. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ20CA | 600 W PPP rating, SMC package, 33.2 V VC @ 17.1 A IPP - lower energy handling and smaller footprint. | Suitable for consumer-grade or low-energy I/O protection; insufficient for IEC61000-4-5 Class 3/4 compliance. | Select when board space is constrained and surge threat level is limited to ESD/EFT only. |
| SMCJ20CA | 1500 W PPP rating, same SMC package, 32.4 V VC @ 46.3 A IPP - half the energy capacity of MXDA3KP20CAE3. | Meets IEC61000-4-5 Class 1–2 (42 Ω), but not Class 3/4; acceptable for lower-risk industrial zones. | Choose where cost is prioritized over full secondary lightning immunity and PCB layout allows larger thermal relief. |
Compared with SMBJ20CA and SMCJ20CA, MXDA3KP20CAE3 delivers double the pulse power rating and verified Class 4 lightning protection at 42 Ω source impedance-making it the only option among the three qualified for high-exposure AC mains and critical infrastructure interfaces.
Availability
MXDA3KP20CAE3 is available at Aetrix Electronics and suitable for AC/DC front-end protection, industrial Ethernet port hardening, and smart meter communication interface design requiring stable component supply and long-term lifecycle support.
Supply support for MXDA3KP20CAE3 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 developed specifically for mission-critical surge protection in harsh environments-emphasizing MIL-PRF-19500 screening readiness, wide temperature operation, and repeatable 3000 W transient absorption.
FAQ
What is the clamping voltage of MXDA3KP20CAE3 at its rated peak pulse current?
The MXDA3KP20CAE3 has a maximum clamping voltage (VC) of 32.4 V at its rated peak pulse current (IPP) of 92.6 A under 10/1000 µs waveform conditions. This value is measured per standard test methods defined in the datasheet and guarantees the upper limit of voltage seen by downstream circuitry during worst-case surge events. The MXDA3KP20CAE3 maintains this clamping performance across its full operating temperature range.
Is MXDA3KP20CAE3 suitable for IEC61000-4-5 Class 4 secondary lightning protection?
Yes, MXDA3KP20CAE3 is explicitly rated for IEC61000-4-5 Class 4 secondary lightning protection when tested with a 42 Ω source impedance, as confirmed in the Applications/Benefits section of the RF01243 datasheet. Its 3000 W peak pulse power rating and validated clamping behavior ensure compliance. MXDA3KP20CAE3 also supports Class 3 at 12 Ω and Class 2 at 2 Ω source impedances per the same standard.
What does the "C" suffix in MXDA3KP20CAE3 indicate?
The "C" suffix in MXDA3KP20CAE3 denotes bidirectional polarity, meaning the device contains two back-to-back avalanche diodes configured for symmetrical clamping on AC or differential signal lines. This distinguishes it from unidirectional variants (e.g., MXDA3KP20AE3) and enables use without regard to signal polarity. The MXDA3KP20CAE3 pinout reflects this with Pin 1 and Pin 3 as cathodes and Pin 2 as the common anode.
Does MXDA3KP20CAE3 require dry packing before reflow soldering?
No, MXDA3KP20CAE3 has a moisture sensitivity level (MSL) of Level 1 per IPC/JEDEC J-STD-020B, meaning it may be stored indefinitely at ambient conditions and does not require dry packing or baking prior to reflow. This simplifies manufacturing logistics and eliminates moisture-related popcorning risks. The MXDA3KP20CAE3 package uses void-free UL94V-0 epoxy to achieve this robust moisture resistance.
What is the standoff voltage (VWM) and why is it important for MXDA3KP20CAE3 selection?
The standoff voltage (VWM) of MXDA3KP20CAE3 is 20 V-the maximum continuous DC or peak AC voltage the device can withstand without entering conduction. Selecting a VWM equal to or greater than the circuit's normal operating voltage prevents false triggering while ensuring reliable clamping during overvoltage events. For MXDA3KP20CAE3, this makes it ideal for 24 VAC systems or 20 VDC rails where transient margins must be preserved.
MXDA3KP20CAE3 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):
- 20V
- Voltage - Breakdown (Min):
- 22.2V
- Voltage - Clamping (Max) @ Ipp:
- 32.4V
- Current - Peak Pulse (10/1000µs):
- 92.6A
- 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:
- -
MXDA3KP20CAE3 FAQ
1.How can I place an order for MXDA3KP20CAE3 through Aetrix?
Please submit a Request for Quotation (RFQ) for MXDA3KP20CAE3 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 MXDA3KP20CAE3 reliable?
The price and inventory of MXDA3KP20CAE3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MXDA3KP20CAE3 is usually 5 days.
3.What payment methods are accepted for MXDA3KP20CAE3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MXDA3KP20CAE3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MXDA3KP20CAE3?
MXDA3KP20CAE3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MXDA3KP20CAE3 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 MXDA3KP20CAE3?
For technical support, including MXDA3KP20CAE3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MXDA3KP20CAE3 requirements.
6.How does Aetrix verify that MXDA3KP20CAE3 is sourced from the original manufacturer or authorized distributors?
All MXDA3KP20CAE3 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 MXDA3KP20CAE3 meets industry standards.
7.What is the process for return or replacement of MXDA3KP20CAE3?
All MXDA3KP20CAE3 units undergo pre-shipment inspection (PSI). If there is an issue with MXDA3KP20CAE3, 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 MXDA3KP20CAE3 part is unused and in its original packaging.
Return procedure for MXDA3KP20CAE3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MXDA3KP20CAE3 Tags
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DESD3V3E1BL-7B
Diodes Incorporated
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Toshiba Semiconductor and Storage
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