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Microchip Technology MAPLAD36KP150CA
- Part No.:
- MAPLAD36KP150CA
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- Nonstandard SMD
- Datasheet:
-
MAPLAD36KP150CA.pdf
- Description:
- TVS DIODE 150VWM 243VC PLAD
- Quantity:
- Payment:
- Shipping:
Inventory:5,923
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Product details
Overview
MAPLAD36KP150CA from Microsemi is a bidirectional surface-mount transient voltage suppressor (TVS) designed for high-energy surge protection in aerospace and automotive systems. It delivers 36,000 W peak pulse power at 10/1000 μs, features a 150 V reverse standoff voltage (VWM), clamps to ≤243 V at 149 A peak pulse current (IPP), and meets RTCA DO-160 Section 22 multi-stroke lightning requirements.
For engineers reviewing the MAPLAD36KP150CA datasheet, MAPLAD36KP150CA pinout, MAPLAD36KP150CA application, or MAPLAD36KP150CA equivalent, this device is selected for secondary lightning protection per IEC 61000-4-5 (42 Ω, 12 Ω, and 2 Ω source impedances), pin injection immunity per RTCA/DO-160F Waveform 4 & 5A, and ESD/EFT compliance per IEC 61000-4-2/4-4.
Technical Context
This TVS diode operates as a bidirectional clamping device with symmetrical breakdown behavior-V(BR) min/max = 167–185 V at 5 mA-and achieves <5 ns response time. Its low thermal resistance (RθJC = 1.0 °C/W) enables efficient heat transfer to the PCB copper pad, supporting repeated surge events under ≤0.05% duty factor.
The device is rated for junction temperatures from –55 °C to +150 °C, exhibits αV(BR) = 183 mV/°C temperature coefficient, and maintains ≤10 μA standby current (ID) at VWM. It is qualified to AEC-Q101 and supports MIL-PRF-19500 upscreening options including 3σ lot norm screening on ID.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power (PPP) | 36,000 W @ 10/1000 μs - sustains aircraft-grade lightning surges without failure |
| Reverse Standoff Voltage (VWM) | 150 V - maximum continuous operating voltage before clamping initiates |
| Breakdown Voltage (V(BR)) | 167–185 V @ 5 mA - ensures reliable conduction onset within defined tolerance band |
| Max Clamping Voltage (VC) | 243 V @ 149 A IPP - limits downstream circuit voltage during worst-case surge |
| Peak Pulse Current (IPP) | 149 A @ 10/1000 μs - quantifies maximum transient current it safely diverts |
| Thermal Resistance (RθJC) | 1.0 °C/W - enables direct heat transfer from junction to metal baseplate for thermal stability |
| Standby Current (ID) | ≤10 μA @ VWM - minimizes leakage-induced power loss in always-on systems |
Pinout & Package
MAPLAD36KP150CA uses a low-profile, void-free thermosetting epoxy PLAD package with metal baseplate acting as cathode terminal for unidirectional variants; for bidirectional MAPLAD36KP150CA, both terminals are symmetrical and non-polarized. The package measures 12.32 × 10.54 × 5.08 mm (L × W × H) with tin-plated terminations solderable per MIL-STD-750 Method 2026.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Terminal 1 | Anode / Cathode (symmetrical) | Bidirectional operation: either terminal serves as anode or cathode depending on transient polarity |
| Terminal 2 | Anode / Cathode (symmetrical) | Electrically identical to Terminal 1; no polarity marking required for CA-suffix devices |
| Metal Baseplate | Thermal Interface / Mechanical Ground | Provides primary thermal path to PCB copper pour; not electrically connected in bidirectional configuration |
Key Features
| Feature | Design Value |
|---|---|
| RTCA DO-160F Waveform 4 & 5A immunity | Level 4 up to 300 V VWM; Level 5 up to 150 V VWM - validated for avionics pin-injection survivability |
| IEC 61000-4-5 secondary lightning protection | Class 1–5 compliant with 42 Ω, 12 Ω, and 2 Ω source impedances - covers short/long-distance aircraft wiring scenarios |
| AEC-Q101 qualification | Qualified for automotive underhood applications requiring robustness against thermal cycling and mechanical stress |
| MIL-PRF-19500 upscreening option | Available with 3σ lot norm screening on ID and traceable wafer/assembly lots - supports high-reliability defense programs |
| Moisture Sensitivity Level 1 | No dry pack required per IPC/JEDEC J-STD-020B - simplifies SMT handling and eliminates bake-out step |
Applications
| Aerospace Avionics Protection | Automotive Load Dump Suppression |
|---|---|
|
Use Scenario: Protecting flight control interface circuits from induced lightning transients on long harness runs in commercial aircraft. IC Role / Device Role / Timing Role: Bidirectional clamping TVS placed at connector entry point to shunt energy before reaching FPGA or ADC inputs. Use Value: Meets RTCA DO-160 Section 22 multi-stroke requirement and clamps below 243 V to preserve 28 V system logic integrity. |
Use Scenario: Safeguarding infotainment head units during 12 V battery disconnection events in vehicles with stop-start systems. IC Role / Device Role / Timing Role: Primary surge diverter across power rail input, activated within <5 ns to limit voltage overshoot. Use Value: Withstands 36 kW surges while maintaining ≤10 μA leakage, enabling always-on functionality without standby drain penalty. |
| Industrial Motor Drive I/O Protection | Railway Signaling Interface Protection |
|
Use Scenario: Shielding encoder feedback lines in servo drives from switching noise and ground bounce in high-power inverters. IC Role / Device Role / Timing Role: Bidirectional TVS installed differential-mode across A/B quadrature signals to suppress common-mode transients. Use Value: 150 V VWM aligns with 24 V industrial bus levels; 243 V clamping prevents comparator latch-up in position sensing circuits. |
Use Scenario: Securing track-side signaling modules against induced surges from nearby traction currents or lightning coupling. IC Role / Device Role / Timing Role: Secondary protector downstream of gas discharge tube (GDT), absorbing residual energy after front-end suppression. Use Value: Validated for IEC 61000-4-5 Class 4 (2 Ω source) at 150 V rating - ensures interoperability with legacy railway surge standards. |
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 SMAJ150CA | 3,000 W PPP rating, 150 V VWM, DO-214AC package, RθJA = 40 °C/W (no metal baseplate) | Limited to single-stroke lightning; insufficient for RTCA DO-160 Section 22 multi-stroke validation | Select when cost-sensitive industrial designs require basic IEC 61000-4-5 Class 3 protection only |
| Vishay SM8S150CA | 6,600 W PPP, 150 V VWM, TO-277 package, RθJC = 2.5 °C/W, AEC-Q101 qualified | Lower energy handling; not tested to RTCA DO-160F Waveform 4/5A or MIL-PRF-19500 screening | Prefer for automotive body electronics where full aerospace compliance is unnecessary |
Compared with MAPLAD36KP150CA, SMAJ150CA and SM8S150CA offer lower-cost alternatives for less demanding surge environments but lack the 36 kW multi-stroke capability, metal-base thermal performance, and aviation-grade qualification required for critical avionics interfaces.
Availability
MAPLAD36KP150CA is available at Aetrix Electronics and suitable for aerospace avionics, automotive load dump, and industrial motor drive applications requiring stable component supply, long-term lifecycle support, and traceable high-reliability sourcing.
Supply support for MAPLAD36KP150CA 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, RF, and timing solutions for aerospace, defense, and industrial markets.
The MAPLAD36KP150CA belongs to Microsemi's PLAD-series high-power TVS family, engineered specifically for multi-stroke lightning protection in safety-critical airborne and vehicle systems where thermal robustness and qualification rigor are mandatory.
FAQ
What is the clamping voltage of MAPLAD36KP150CA at its rated peak pulse current?
The MAPLAD36KP150CA has a maximum clamping voltage (VC) of 243 V at its specified peak pulse current (IPP) of 149 A 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 transient events. The MAPLAD36KP150CA maintains this clamping performance consistently across its qualified operating temperature range.
Is MAPLAD36KP150CA suitable for RTCA DO-160F Section 22 lightning testing?
Yes, MAPLAD36KP150CA is explicitly validated for RTCA DO-160F Section 22 multi-stroke lightning testing. Its 36,000 W peak pulse power rating, sub-5 ns response time, and bidirectional symmetry enable reliable performance across multiple stroke sequences. The MAPLAD36KP150CA data sheet confirms compliance with Waveform 4 (6.4/69 μs) Level 4 and Waveform 5A (40/120 μs) Level 4 up to 150 V VWM, meeting stringent avionics surge immunity requirements.
Does MAPLAD36KP150CA require moisture sensitivity handling per J-STD-020?
No, MAPLAD36KP150CA is rated Moisture Sensitivity Level 1 per IPC/JEDEC J-STD-020B, meaning it does not absorb sufficient moisture during ambient storage to require dry packing or baking prior to reflow soldering. This eliminates process steps and reduces manufacturing risk. The MAPLAD36KP150CA's void-free epoxy encapsulation and plating system contribute to this robust moisture resistance.
Can MAPLAD36KP150CA be used in automotive applications?
Yes, MAPLAD36KP150CA is AEC-Q101 qualified and rated for junction temperatures from –55 °C to +150 °C, making it suitable for under-hood automotive applications such as engine control units and ADAS power supplies. Its 150 V VWM and 243 V clamping support 24 V and 48 V architectures, and the MAPLAD36KP150CA's surge-tested reliability ensures resilience against load dump and ISO 7637-2 transients.
What is the thermal resistance from junction to case (RθJC) for MAPLAD36KP150CA?
The MAPLAD36KP150CA has a junction-to-case thermal resistance (RθJC) of 1.0 °C/W, measured from die junction to the metal baseplate. This low value reflects the device's optimized thermal path through the copper baseplate into the PCB copper pour, enabling effective heat dissipation during repetitive surge events. This parameter is critical for thermal design margining in high-duty-cycle applications and is confirmed in the MAPLAD36KP150CA datasheet under Maximum Ratings.
MAPLAD36KP150CA 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):
- 150V
- Voltage - Breakdown (Min):
- 167V
- Voltage - Clamping (Max) @ Ipp:
- 243V
- Current - Peak Pulse (10/1000µs):
- 149A
- 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
MAPLAD36KP150CA FAQ
1.How can I place an order for MAPLAD36KP150CA through Aetrix?
Please submit a Request for Quotation (RFQ) for MAPLAD36KP150CA 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 MAPLAD36KP150CA reliable?
The price and inventory of MAPLAD36KP150CA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAPLAD36KP150CA is usually 5 days.
3.What payment methods are accepted for MAPLAD36KP150CA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAPLAD36KP150CA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAPLAD36KP150CA?
MAPLAD36KP150CA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAPLAD36KP150CA 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 MAPLAD36KP150CA?
For technical support, including MAPLAD36KP150CA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAPLAD36KP150CA requirements.
6.How does Aetrix verify that MAPLAD36KP150CA is sourced from the original manufacturer or authorized distributors?
All MAPLAD36KP150CA 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 MAPLAD36KP150CA meets industry standards.
7.What is the process for return or replacement of MAPLAD36KP150CA?
All MAPLAD36KP150CA units undergo pre-shipment inspection (PSI). If there is an issue with MAPLAD36KP150CA, 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 MAPLAD36KP150CA part is unused and in its original packaging.
Return procedure for MAPLAD36KP150CA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAPLAD36KP150CA Tags
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ESD9B5.0ST5G
onsemi
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DESD3V3E1BL-7B
Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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onsemi
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Diodes Incorporated
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Diodes Incorporated
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Nexperia USA Inc.
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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