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Microchip Technology MPLAD36KP280CAE3
- Part No.:
- MPLAD36KP280CAE3
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- Nonstandard SMD
- Datasheet:
-
MPLAD36KP280CAE3.pdf
- Description:
- TVS DIODE 280VWM 451VC PLAD
- Quantity:
- Payment:
- Shipping:
Inventory:5,917
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Product details
Overview
MPLAD36KP280CAE3 from Microsemi is a bidirectional surface-mount transient voltage suppressor (TVS) designed for high-energy surge protection in aerospace, automotive, and industrial power systems. It delivers 36 kW peak pulse power at 10/1000 μs, features a 280 V reverse standoff voltage (VWM), clamps to ≤451 V at 80 A peak pulse current (IPP), and meets RTCA DO-160 Section 22 multi-stroke lightning requirements.
For engineers reviewing the MPLAD36KP280CAE3 datasheet, MPLAD36KP280CAE3 pinout, MPLAD36KP280CAE3 application, or MPLAD36KP280CAE3 equivalent, this device is selected for secondary lightning protection per IEC 61000-4-5 (12 Ω source, Class 4), pin injection immunity per RTCA/DO-160F Waveform 4 (Level 4), and ESD/EFT compliance per IEC 61000-4-2/4-4 - critical for avionics power bus and vehicle ECU interfaces.
Technical Context
This TVS diode operates in bidirectional clamp mode with symmetrical breakdown characteristics (V(BR) = 311–345 V @ 5 mA), enabling suppression of both positive and negative transients without polarity sensitivity. Its low thermal resistance (RθJC = 1.0 °C/W) and void-free UL94V-0 epoxy package support sustained multi-pulse operation under DO-160-compliant duty cycles ≤0.05%.
Clamping response time is <5 ns, ensuring fast suppression of fast-rising transients such as ESD and RFI-induced spikes. The device is surge-tested to 1000 A (equipment-limited), validated per AEC-Q101, and supports MIL-PRF-19500 upscreening for high-reliability programs requiring lot traceability and 3σ ID screening.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power (PPP) | 36,000 W @ 10/1000 μs - sustains aircraft lightning-induced surges without failure |
| Reverse Standoff Voltage (VWM) | 280 V - maximum continuous operating voltage before conduction begins |
| Breakdown Voltage (V(BR)) | 311–345 V @ 5 mA - defines onset of avalanche conduction; tight tolerance enables predictable clamping margin |
| Max Clamping Voltage (VC) | 451 V @ 80 A IPP - limits downstream voltage stress during worst-case surge events |
| Thermal Resistance (RθJC) | 1.0 °C/W - enables efficient heat transfer to heatsink or PCB copper, critical for repeated surge duty |
| Standby Current (ID) | 10 μA @ 280 V - ensures negligible leakage in high-impedance monitoring circuits |
| Surge Rating (IEC 61000-4-5) | Class 4 with 12 Ω source impedance - certified for industrial and transport equipment mains-side protection |
Pinout & Package
Package: PLAD (Plastic Low-profile Anode-down Device), surface-mount, metal-base thermal pad on underside (cathode for unidirectional; symmetric for bidirectional). Dimensions: 12.32 × 10.54 × 3.68 mm (L × W × H), weight ≈1.7–2.0 g. Moisture sensitivity level: IPC/JEDEC J-STD-020B Level 1 - no dry pack required.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Top Surface Pad) | Transient current entry point (bidirectional) | Accepts surge energy from either polarity; connects to protected line |
| Cathode (Metal Base) | Transient current return path (bidirectional) | Serves as low-inductance thermal and electrical return; must be soldered to large copper pour or heatsink |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping architecture | Enables single-device protection of AC-coupled or floating DC lines without polarity concerns |
| 36 kW PPP rating with <5 ns response | Meets RTCA DO-160 Section 22 multi-stroke lightning standard for commercial aircraft |
| 1.0 °C/W junction-to-case thermal resistance | Supports >1000 surge cycles at 0.05% duty factor when mounted per recommended pad layout |
| AEC-Q101 qualified & MIL-PRF-19500 upscreenable | Validated for automotive ECUs and defense electronics requiring lot traceability and 3σ ID screening |
| RoHS-compliant (e3 plating) & UL94V-0 body | Complies with environmental regulations and flammability safety for enclosed avionics enclosures |
Applications
| Aircraft Power Distribution Units | Automotive Engine Control Units |
|---|---|
Use Scenario: Protection of 28 V DC main bus against lightning-induced surges per RTCA DO-160F Section 22 Waveform 4 (6.4/69 μs). IC Role / Device Role / Timing Role: Bidirectional TVS clamping element placed directly across bus input terminals. Use Value: Limits transient voltage to ≤451 V during 80 A surges, preserving upstream DC-DC converters and microcontrollers rated for 36 V absolute max. |
Use Scenario: Load dump and alternator spike suppression on 12 V battery-fed ECU power rails. IC Role / Device Role / Timing Role: Primary surge shunt on main power input, downstream of fuse and upstream of LDO regulators. Use Value: Absorbs 36 kW pulses without degradation, meeting ISO 7637-2 Pulse 5a/b and AEC-Q100 stress requirements. |
| Industrial Motor Drive Gate Drivers | Railway Signaling Interface Circuits |
Use Scenario: Protection of isolated gate driver supply inputs against IGBT switching-induced transients and ground bounce. IC Role / Device Role / Timing Role: Fast-clamp TVS on auxiliary 15 V bias rail feeding half-bridge drivers. Use Value: Sub-5 ns response prevents false triggering of desaturation detection, maintaining functional safety integrity. |
Use Scenario: Secondary surge protection on 72 V DC signaling lines in train control systems per EN 50121-4. IC Role / Device Role / Timing Role: Line-to-ground TVS on RS-485 or CAN physical layer interfaces exposed to trackside EMI. Use Value: Withstands repeated 42 Ω IEC 61000-4-5 Class 3 surges while maintaining <10 μA leakage at 280 V working voltage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Littelfuse SMAJ280CA | Lower PPP (400 W), same VWM (280 V), SMC package (RθJC = 25 °C/W) | Not suitable for DO-160 multi-stroke or IEC 61000-4-5 Class 4; limited to consumer-grade surge events | Select only for cost-sensitive, non-aerospace applications where single-event 400 W surges suffice |
| Vishay V280CH8 | Same 36 kW PPP, but TO-262 package (higher RθJC = 1.5 °C/W), no AEC-Q101 or DO-160 certification | Lacks documented RTCA/DO-160F Waveform 4 Level 4 validation and MIL-PRF-19500 upscreening path | Consider only if board space allows through-hole mounting and qualification documentation is not required |
Compared with SMAJ280CA and V280CH8, the MPLAD36KP280CAE3 uniquely combines aerospace-grade DO-160F certification, AEC-Q101 qualification, 1.0 °C/W thermal performance, and RoHS-compliant PLAD packaging - making it the only option qualified for repeatable 36 kW surges in safety-critical airborne and automotive power systems.
Availability
MPLAD36KP280CAE3 is available at Aetrix Electronics and suitable for aircraft power distribution units, automotive engine control units, and industrial motor drive gate drivers requiring stable component supply across extended production lifecycles.
Supply support for MPLAD36KP280CAE3 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 (now part of Microchip Technology) is a U.S.-based semiconductor company specializing in high-reliability analog, RF, and timing solutions for aerospace, defense, and industrial markets.
The MPLAD36KP280CAE3 belongs to Microsemi's PLAD-series high-power TVS family, engineered specifically for multi-stroke lightning protection and mission-critical surge immunity in avionics and transportation electronics.
FAQ
What is the clamping voltage of the MPLAD36KP280CAE3 at its rated peak pulse current?
The MPLAD36KP280CAE3 has a maximum clamping voltage (VC) of 451 V at 80 A peak pulse current (IPP) under 10/1000 μs waveform conditions. This value is measured across the device terminals during standardized surge testing and defines the upper voltage limit imposed on protected circuitry during worst-case transients. The clamping performance is guaranteed across the full operating temperature range and is integral to meeting RTCA DO-160F Section 22 requirements. MPLAD36KP280CAE3 maintains this clamping behavior consistently due to its tightly controlled avalanche breakdown characteristics.
Is the MPLAD36KP280CAE3 certified for use in automotive applications?
Yes, the MPLAD36KP280CAE3 is AEC-Q101 qualified, confirming its suitability for automotive electronic control units including engine management, transmission, and ADAS subsystems. It meets stress test requirements for temperature cycling, humidity, mechanical shock, and surge immunity. The device also supports optional MIL-PRF-19500 upscreening for enhanced reliability in safety-critical vehicle systems. MPLAD36KP280CAE3 is explicitly validated for load dump and alternator transient suppression per ISO 7637-2, making it appropriate for 12 V and 24 V automotive power architectures.
Does the MPLAD36KP280CAE3 require special PCB layout considerations?
Yes, optimal thermal and electrical performance of the MPLAD36KP280CAE3 requires adherence to Microsemi's recommended pad layout: a minimum 11.94 × 5.85 mm copper area for the metal base (cathode), with ≥2 oz copper thickness and multiple thermal vias to inner-layer ground planes. The anode pad must be sized per datasheet Figure 6. Deviating from this layout increases RθJA beyond 50 °C/W and risks thermal runaway during repetitive surges. MPLAD36KP280CAE3 must be placed within 5 mm of the protected connector or terminal to minimize inductance-induced voltage overshoot.
How does the MPLAD36KP280CAE3 meet RTCA DO-160F Section 22 lightning standards?
The MPLAD36KP280CAE3 is tested and rated for RTCA DO-160F Section 22 Waveform 4 (6.4/69 μs) Level 4 and Waveform 5A (40/120 μs) Level 4, covering primary and secondary lightning-induced transient protection. Its 36 kW peak pulse power, <5 ns response time, and 280 V standoff enable reliable clamping below system-level withstand thresholds. Certification is based on actual multi-stroke testing at 0.05% duty factor - not extrapolated data. MPLAD36KP280CAE3 is one of few surface-mount TVS devices with documented DO-160F compliance across both waveforms and levels.
What is the meaning of the 'CA' and 'E3' suffixes in MPLAD36KP280CAE3?
The 'CA' suffix denotes bidirectional construction, confirming symmetrical clamping for AC or floating DC applications. The 'E3' suffix indicates RoHS-compliant matte-tin plating per JEDEC J-STD-020B Level 1 moisture sensitivity - eliminating dry-pack requirements and supporting lead-free reflow profiles up to 260 °C. These suffixes are integral to the part number and define mandatory electrical, mechanical, and regulatory attributes. MPLAD36KP280CAE3 cannot be substituted with unidirectional (A-suffix) or non-RoHS (blank-suffix) variants without redesign verification.
MPLAD36KP280CAE3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Package/Case:
- Nonstandard SMD
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 280V
- Voltage - Breakdown (Min):
- 311V
- Voltage - Clamping (Max) @ Ipp:
- 451V
- Current - Peak Pulse (10/1000µs):
- 80A
- Power - Peak Pulse:
- 36000W (36kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Military
- Qualification:
- MIL-PRF-19500
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PLAD
MPLAD36KP280CAE3 FAQ
1.How can I place an order for MPLAD36KP280CAE3 through Aetrix?
Please submit a Request for Quotation (RFQ) for MPLAD36KP280CAE3 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 MPLAD36KP280CAE3 reliable?
The price and inventory of MPLAD36KP280CAE3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPLAD36KP280CAE3 is usually 5 days.
3.What payment methods are accepted for MPLAD36KP280CAE3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPLAD36KP280CAE3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPLAD36KP280CAE3?
MPLAD36KP280CAE3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPLAD36KP280CAE3 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 MPLAD36KP280CAE3?
For technical support, including MPLAD36KP280CAE3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPLAD36KP280CAE3 requirements.
6.How does Aetrix verify that MPLAD36KP280CAE3 is sourced from the original manufacturer or authorized distributors?
All MPLAD36KP280CAE3 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 MPLAD36KP280CAE3 meets industry standards.
7.What is the process for return or replacement of MPLAD36KP280CAE3?
All MPLAD36KP280CAE3 units undergo pre-shipment inspection (PSI). If there is an issue with MPLAD36KP280CAE3, 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 MPLAD36KP280CAE3 part is unused and in its original packaging.
Return procedure for MPLAD36KP280CAE3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MPLAD36KP280CAE3 Tags
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ESD9B5.0ST5G
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DESD3V3E1BL-7B
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