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Microchip Technology MPLAD36KP90CAE3
- Part No.:
- MPLAD36KP90CAE3
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- Nonstandard SMD
- Datasheet:
-
MPLAD36KP90CAE3.pdf
- Description:
- TVS DIODE 90VWM 146VC PLAD
- Quantity:
- Payment:
- Shipping:
Inventory:7,596
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Product details
Overview
MPLAD36KP90CAE3 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, clamps transients to ≤146 V at 247 A, and features a 90 V reverse standoff voltage (VWM), 100–111 V breakdown voltage (V(BR)), and 1.0 °C/W junction-to-case thermal resistance - enabling robust secondary lightning protection per IEC 61000-4-5 and RTCA DO-160F Waveform 4 Level 4.
For engineers reviewing the MPLAD36KP90CAE3 datasheet, MPLAD36KP90CAE3 pinout, MPLAD36KP90CAE3 application, or MPLAD36KP90CAE3 equivalent, this device is selected for high-reliability DC bus protection where multi-stroke surge resilience, low-profile SMT mounting, and RoHS-compliant e3 termination are required - especially in avionics power distribution, battery management inputs, and 24/28 V vehicle electronics subject to load dump and induced RFI.
Technical Context
This TVS diode operates as a voltage-clamped crowbar during transient events, leveraging avalanche breakdown across its bidirectional silicon junction. Its low RθJC (1.0 °C/W) and void-free thermosetting epoxy package enable efficient heat transfer to PCB copper pads or heatsinks under repetitive 0.05% duty-cycle surges.
It meets stringent aerospace standards including RTCA DO-160F Section 22 (lightning-induced transients), with validated performance at 6.4/69 μs (Waveform 4) and 40/120 μs (Waveform 5A), and supports IEC 61000-4-2/4-4/4-5 compliance when applied with appropriate source impedance (2 Ω, 12 Ω, or 42 Ω).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power (PPP) | 36,000 W @ 10/1000 μs - sustains single-stroke lightning-level energy without failure |
| Reverse Standoff Voltage (VWM) | 90 V - maximum continuous DC or peak AC voltage before conduction begins |
| Breakdown Voltage (V(BR)) | 100–111 V @ 5 mA - defines onset of controlled avalanche clamping |
| Max Clamping Voltage (VC) | 146 V @ 247 A - limits downstream circuit voltage during worst-case surge |
| Thermal Resistance (RθJC) | 1.0 °C/W - enables effective heat extraction to metal baseplate for high-repetition operation |
| Standby Current (ID) | 10 μA @ 90 V - negligible leakage ensures minimal power loss in standby |
| Moisture Sensitivity Level | Level 1 per J-STD-020B - no dry pack or bake required prior to reflow |
Pinout & Package
Package: PLAD (Plastic Low-Profile Anode-Cathode Dual) - surface-mount, low-profile thermosetting epoxy case with metal baseplate acting as cathode terminal; dimensions: 12.32 × 10.54 × 5.08 mm (L × W × H); weight ≈ 1.7–2.0 g; UL94V-0 rated.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Top Surface Pad) | Transient current entry point (bidirectional) | Accepts surge polarity in either direction; soldered to protected line |
| Cathode (Metal Baseplate) | Common reference / heat sink interface | Electrically connected to PCB ground plane; primary thermal path to board copper |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional construction (CA suffix) | Protects AC-coupled or floating DC lines without polarity constraints |
| 36 kW PPP rating with 10/1000 μs waveform | Meets RTCA DO-160F Section 22 multi-stroke lightning requirements |
| RoHS-compliant e3 matte-tin plating | Ensures reliable solderability and long-term intermetallic stability per MIL-STD-750 |
| 1.0 °C/W RθJC + metal baseplate | Supports >1000 surge cycles at 0.05% duty factor when mounted on FR4 with recommended pad layout |
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling and humidity testing |
Applications
| Avionics Power Distribution | Automotive Battery Management Input |
|---|---|
Use Scenario: Protection of 28 V DC bus in aircraft flight control units against lightning-induced transients per DO-160F Section 22. IC Role / Device Role / Timing Role: Primary secondary surge clamp on main power rail, placed upstream of DC/DC converters and microcontrollers. Use Value: Limits clamped voltage to 146 V during 6.4/69 μs Waveform 4 Level 4 surges, preserving downstream 36 V-rated components. |
Use Scenario: Input protection for lithium-ion battery management system (BMS) monitoring ICs in 24 V commercial vehicles. IC Role / Device Role / Timing Role: Bidirectional TVS absorbing load dump spikes (up to 120 V) and ESD events on sensor/power supply lines. Use Value: Withstands 247 A peak current while maintaining <146 V clamping - prevents latch-up or overvoltage damage to precision analog front-ends. |
| Industrial Motor Drive DC Link | Railway Signaling Interface |
Use Scenario: Surge suppression on 96 V DC link of variable-frequency drives exposed to switching transients and induced RFI. IC Role / Device Role / Timing Role: High-energy TVS placed across DC bus capacitors to absorb commutation spikes and fault currents. Use Value: 36 kW PPP rating and 1.0 °C/W RθJC allow repeated surge handling without thermal runaway under 0.05% duty cycle conditions. |
Use Scenario: Protection of 90 V signaling lines in European railway signaling cabinets per EN 50121-4 EMC requirements. IC Role / Device Role / Timing Role: Bidirectional transient suppressor on track-side communication interfaces subject to coupled surges from traction systems. Use Value: Validated for IEC 61000-4-5 Class 4 (42 Ω source) up to 90 V VWM - ensures immunity to 4 kV surge tests without degradation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ90CA | Lower PPP (600 W), SMA package, RθJC ≈ 40 °C/W | Not suitable for multi-stroke lightning or high-repetition surges | Select only for cost-sensitive, low-energy consumer applications with infrequent transients |
| SMCJ90CA | Higher PPP (1500 W), SMC package, RθJC ≈ 10 °C/W, no AEC-Q101 or DO-160 qualification | Lacks aerospace and automotive reliability validation; limited thermal endurance | Acceptable for industrial controls where full DO-160/IEC 61000-4-5 Class 4 compliance is not mandated |
Compared with SMBJ90CA and SMCJ90CA, the MPLAD36KP90CAE3 provides 60× higher peak pulse power, 40× lower thermal resistance, and formal qualification to RTCA DO-160F and AEC-Q101 - making it the only option for mission-critical, high-repetition surge environments requiring verified multi-stroke resilience.
Availability
MPLAD36KP90CAE3 is available at Aetrix Electronics and suitable for avionics power distribution, automotive battery management input, and industrial motor drive DC link applications requiring stable component supply, long-lifecycle support, and traceable sourcing for high-reliability designs.
Supply support for MPLAD36KP90CAE3 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, mixed-signal, and power solutions for aerospace, defense, and industrial markets.
The MPLAD36KP90CAE3 belongs to Microsemi's PLAD-series high-power TVS family, engineered specifically for multi-stroke lightning protection and automotive load-dump resilience in harsh-environment power systems.
FAQ
What is the clamping voltage of the MPLAD36KP90CAE3 at its rated peak pulse current?
The MPLAD36KP90CAE3 has a maximum clamping voltage (VC) of 146 V at 247 A peak pulse current (IPP), measured under the standard 10/1000 μs waveform. This value ensures downstream circuitry remains within safe operating voltage limits during high-energy transients, and is validated per Figure 3 in the RF01216 datasheet.
Is the MPLAD36KP90CAE3 suitable for automotive applications requiring AEC-Q101 qualification?
Yes, the MPLAD36KP90CAE3 is explicitly tested and qualified to AEC-Q101 standards, as confirmed in the RF01216 Rev B datasheet. This qualification covers stress tests including temperature cycling, humidity bias, and mechanical shock - making the MPLAD36KP90CAE3 appropriate for under-hood and battery management applications in automotive systems.
Does the MPLAD36KP90CAE3 meet RTCA DO-160F lightning protection requirements?
Yes, the MPLAD36KP90CAE3 is validated for RTCA DO-160F Section 22 lightning-induced transient testing, specifically achieving Level 4 for Waveform 4 (6.4/69 μs) and supporting Level 5 for short-distance configurations. Its 36 kW PPP rating and low clamping voltage directly address the multi-stroke surge requirements defined in that standard.
What does the "CA" suffix indicate in MPLAD36KP90CAE3?
The "CA" suffix in MPLAD36KP90CAE3 denotes bidirectional construction - meaning the device provides symmetrical transient suppression for both polarities, with identical VWM (90 V), V(BR) (100–111 V), and VC (146 V) characteristics in either direction. This eliminates polarity concerns during PCB layout and supports AC-coupled or floating DC signal lines.
What is the thermal resistance and how does it impact PCB layout for the MPLAD36KP90CAE3?
The MPLAD36KP90CAE3 has a junction-to-case thermal resistance (RθJC) of 1.0 °C/W, with the metal baseplate serving as the primary thermal path. Effective heat dissipation requires direct soldering of the baseplate to a large, thermally robust PCB copper area (per recommended pad layout in RF01216), enabling sustained operation under repetitive surge conditions without thermal runaway.
MPLAD36KP90CAE3 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):
- 90V
- Voltage - Breakdown (Min):
- 100V
- Voltage - Clamping (Max) @ Ipp:
- 146V
- Current - Peak Pulse (10/1000µs):
- 247A
- 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
MPLAD36KP90CAE3 FAQ
1.How can I place an order for MPLAD36KP90CAE3 through Aetrix?
Please submit a Request for Quotation (RFQ) for MPLAD36KP90CAE3 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 MPLAD36KP90CAE3 reliable?
The price and inventory of MPLAD36KP90CAE3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPLAD36KP90CAE3 is usually 5 days.
3.What payment methods are accepted for MPLAD36KP90CAE3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPLAD36KP90CAE3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPLAD36KP90CAE3?
MPLAD36KP90CAE3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPLAD36KP90CAE3 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 MPLAD36KP90CAE3?
For technical support, including MPLAD36KP90CAE3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPLAD36KP90CAE3 requirements.
6.How does Aetrix verify that MPLAD36KP90CAE3 is sourced from the original manufacturer or authorized distributors?
All MPLAD36KP90CAE3 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 MPLAD36KP90CAE3 meets industry standards.
7.What is the process for return or replacement of MPLAD36KP90CAE3?
All MPLAD36KP90CAE3 units undergo pre-shipment inspection (PSI). If there is an issue with MPLAD36KP90CAE3, 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 MPLAD36KP90CAE3 part is unused and in its original packaging.
Return procedure for MPLAD36KP90CAE3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MPLAD36KP90CAE3 Tags
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