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Microchip Technology MAPLAD18KP13CAE3
- Part No.:
- MAPLAD18KP13CAE3
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- Nonstandard SMD
- Datasheet:
-
MAPLAD18KP13CAE3.pdf
- Description:
- TVS DIODE 13VWM 21.5VC PLAD
- Quantity:
- Payment:
- Shipping:
Inventory:8,096
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Product details
Overview
MAPLAD18KP13CAE3 from Microsemi is a bidirectional surface-mount transient voltage suppressor (TVS) designed for high-energy surge protection in aerospace, automotive, and industrial systems. It delivers 18,000 W peak pulse power at 10/1000 μs, features a 13 V reverse standoff voltage (VWM), clamps to ≤21.5 V at 838 A peak current, and operates across –55°C to +150°C junction temperature.
For engineers reviewing the MAPLAD18KP13CAE3 datasheet, MAPLAD18KP13CAE3 pinout, MAPLAD18KP13CAE3 application, or MAPLAD18KP13CAE3 equivalent, this device is selected for lightning protection per RTCA DO-160 Section 22, IEC 61000-4-5 Class 2–5 secondary surge immunity, and ESD/EFT compliance per IEC 61000-4-2/4-4 - critical for avionics power inputs, vehicle ECUs, and industrial DC bus lines.
Technical Context
This TVS diode uses an avalanche breakdown mechanism to clamp transients within nanoseconds, with <5 ns response time for bidirectional operation. Its low RθJC of 0.7 °C/W enables effective heat transfer to the PCB copper pad or heatsink, supporting multi-stroke surge endurance under 0.05% duty cycle.
It meets AEC-Q101 stress testing requirements and supports MIL-PRF-19500 upscreening options (M/MA/MXL levels). The device is RoHS-compliant (e3 plating), moisture-sensitive Level 1, and rated for 260°C solder reflow per J-STD-020B.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power (PPP) | 18,000 W @ 10/1000 μs - sustains aircraft lightning-induced surges without failure |
| Reverse Standoff Voltage (VWM) | 13 V - matches nominal 12 V automotive or avionics supply rails with margin |
| Clamping Voltage (VC) | ≤21.5 V @ IPP = 838 A - protects downstream ICs rated for ≤24 V absolute max |
| Breakdown Voltage (VBR) | 14.4–15.9 V @ IBR - ensures reliable turn-on before system overvoltage damage |
| Junction-to-Case Thermal Resistance | 0.7 °C/W - enables >70 W steady-state dissipation with minimal case temperature rise |
| Temperature Coefficient αVBR | +12 mV/°C - predictable VBR drift over operating range supports robust design margining |
Pinout & Package
MAPLAD18KP13CAE3 is housed in a surface-mount PLAD package (plastic leadless array device) with metal base thermal pad. Dimensions: 12.32 × 10.54 × 5.33 mm (L × W × H), weight ≈1 g. Cathode is the metal base (bottom side); polarity marking on top body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Top Surface Pad) | Transient current entry point (bidirectional) | Accepts positive or negative surge polarity; symmetric conduction path |
| Cathode (Metal Base) | Transient current return path / thermal interface | Serves as primary heat sink contact; must be soldered to large copper pour for RθJC optimization |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping architecture | Enables single-device protection of AC-coupled or floating DC lines without polarity concerns |
| RTCA DO-160F Waveform 4 & 5A compliance | Validated for Level 4/5 pin-injection lightning immunity in avionics interfaces |
| IEC 61000-4-5 Class 2–5 secondary protection | Supports 2 Ω, 12 Ω, and 42 Ω source impedance test configurations per standard |
| Low-profile thermally enhanced package | 0.7 °C/W RθJC allows direct PCB thermal management - no external heatsink required |
| AEC-Q101 qualified & MIL-PRF-19500 upscreenable | Meets automotive reliability standards and supports high-reliability screening (M/MA/MXL levels) |
Applications
| Avionics Power Input Protection | Automotive Engine Control Unit (ECU) |
|---|---|
Use Scenario: Protecting 28 V DC power input of flight control computers against lightning-induced transients per RTCA DO-160 Section 22. IC Role / Device Role / Timing Role: Primary surge shunt device placed at board edge before DC-DC converters and microcontrollers. Use Value: Clamps 18 kW surges to ≤21.5 V, preventing latch-up or burnout of downstream 3.3 V/5 V logic and analog ICs. | Use Scenario: Safeguarding 12 V battery-supplied ECU power rail from load dump and alternator switching spikes. IC Role / Device Role / Timing Role: Bidirectional TVS placed between battery feed and main power distribution network. Use Value: Withstands 100+ multi-stroke 12 V load dump events while maintaining VC < 24 V - preserving ISO 7637-2 compliance. |
| Industrial DC Bus Surge Suppression | Railway Signaling Interface Protection |
Use Scenario: Shielding 48 V DC power buses in factory automation controllers from induced RFI and switching transients. IC Role / Device Role / Timing Role: High-power TVS mounted directly on bus entry connector pads with thermal copper fill. Use Value: 0.7 °C/W RθJC enables continuous operation after repeated 10/1000 μs surges - no thermal derating needed below 100°C ambient. | Use Scenario: Securing Ethernet and RS-485 signaling lines in train onboard communication modules against track-side EMI and lightning coupling. IC Role / Device Role / Timing Role: Bidirectional TVS placed differential-mode across signal pairs, referenced to chassis ground. Use Value: <5 ns response time and IEC 61000-4-4 EFT immunity ensure data integrity during 4 kV burst events without packet loss. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13CA | 600 W PPP rating, SMC package, RθJC = 12 °C/W | Limited to single-stroke or low-duty-cycle surges; unsuitable for DO-160 multi-stroke validation | Select when cost sensitivity outweighs surge energy requirement and thermal constraints allow larger footprint |
| SMCJ13CA | 1500 W PPP rating, same SMC package, higher VC = 23.2 V | Marginally meets IEC 61000-4-5 Class 2 but fails Class 4/5; not AEC-Q101 qualified | Choose only for non-automotive/non-avionics industrial use where 18 kW capability is unnecessary |
Compared with SMBJ13CA and SMCJ13CA, MAPLAD18KP13CAE3 provides 30× higher peak power handling, 17× lower thermal resistance, and certified compliance with RTCA DO-160F and AEC-Q101 - making it the sole option for mission-critical multi-stroke lightning protection in aerospace and automotive power systems.
Availability
MAPLAD18KP13CAE3 is available at Aetrix Electronics and suitable for avionics power inputs, automotive engine control units, and industrial DC bus protection requiring stable component supply across extended production lifecycles.
Supply support for MAPLAD18KP13CAE3 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) designs high-reliability semiconductor solutions for aerospace, defense, communications, and industrial markets, with emphasis on radiation-hardened ICs, timing devices, and power protection components.
The MAPLAD18KP13CAE3 belongs to Microsemi's high-power PLAD TVS family, engineered specifically for multi-stroke lightning and load-dump protection in safety-critical platforms where thermal performance and regulatory compliance are non-negotiable.
FAQ
What is the clamping voltage of MAPLAD18KP13CAE3 at its rated peak pulse current?
The MAPLAD18KP13CAE3 has a maximum clamping voltage (VC) of 21.5 V at its rated peak pulse current (IPP) of 838 A under 10/1000 μs waveform conditions. This value is guaranteed across the full operating temperature range and ensures downstream 24 V-rated components remain within safe operating limits during surge events.
Is MAPLAD18KP13CAE3 compliant with automotive reliability standards?
Yes, MAPLAD18KP13CAE3 is AEC-Q101 qualified for stress testing including HTGB, HTRB, and temperature cycling. It also supports optional MIL-PRF-19500 upscreening (M/MA/MXL levels), making it suitable for automotive engine control, battery management, and ADAS power systems requiring long-term field reliability.
How does the PLAD package of MAPLAD18KP13CAE3 improve thermal performance compared to standard SMC packages?
The PLAD package of MAPLAD18KP13CAE3 achieves a junction-to-case thermal resistance (RθJC) of just 0.7 °C/W - over 17× better than typical SMC packages (~12 °C/W). This is enabled by its exposed metal base acting as a direct thermal path to the PCB, allowing efficient heat dissipation without external heatsinks even under repeated 18 kW surges.
Does MAPLAD18KP13CAE3 meet RTCA DO-160 lightning protection requirements?
Yes, MAPLAD18KP13CAE3 is validated for RTCA DO-160F Section 22 lightning-induced transient protection, including Waveform 4 (6.4/69 μs) Level 4 and Waveform 5A (40/120 μs) Level 4 compliance. Its 18 kW rating and <5 ns response time make it suitable for primary and secondary lightning protection in commercial and military avionics.
What is the meaning of the "CA" and "E3" suffixes in MAPLAD18KP13CAE3?
In MAPLAD18KP13CAE3, "CA" denotes bidirectional polarity, and "E3" indicates RoHS-compliant matte-tin plating per JEDEC J-STD-020B. The device is moisture-sensitive Level 1, requiring no dry-packaging or baking prior to assembly - simplifying manufacturing logistics and reducing process risk.
MAPLAD18KP13CAE3 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):
- 13V
- Voltage - Breakdown (Min):
- 14.4V
- Voltage - Clamping (Max) @ Ipp:
- 21.5V
- Current - Peak Pulse (10/1000µs):
- 838A
- Power - Peak Pulse:
- 18000W (18kW)
- 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
MAPLAD18KP13CAE3 FAQ
1.How can I place an order for MAPLAD18KP13CAE3 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAPLAD18KP13CAE3 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 MAPLAD18KP13CAE3 reliable?
The price and inventory of MAPLAD18KP13CAE3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAPLAD18KP13CAE3 is usually 5 days.
3.What payment methods are accepted for MAPLAD18KP13CAE3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAPLAD18KP13CAE3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAPLAD18KP13CAE3?
MAPLAD18KP13CAE3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAPLAD18KP13CAE3 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 MAPLAD18KP13CAE3?
For technical support, including MAPLAD18KP13CAE3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAPLAD18KP13CAE3 requirements.
6.How does Aetrix verify that MAPLAD18KP13CAE3 is sourced from the original manufacturer or authorized distributors?
All MAPLAD18KP13CAE3 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 MAPLAD18KP13CAE3 meets industry standards.
7.What is the process for return or replacement of MAPLAD18KP13CAE3?
All MAPLAD18KP13CAE3 units undergo pre-shipment inspection (PSI). If there is an issue with MAPLAD18KP13CAE3, 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 MAPLAD18KP13CAE3 part is unused and in its original packaging.
Return procedure for MAPLAD18KP13CAE3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAPLAD18KP13CAE3 Tags
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