My Inquiry
My Account
Microchip Technology MPLAD18KP10CAE3
- Part No.:
- MPLAD18KP10CAE3
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- Nonstandard SMD
- Datasheet:
-
MPLAD18KP10CAE3.pdf
- Description:
- TVS DIODE 10VWM 17VC PLAD
- Quantity:
- Payment:
- Shipping:
Inventory:5,130
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MPLAD18KP10CAE3 from Microsemi is a bidirectional surface-mount transient voltage suppressor (TVS) designed for high-energy surge protection in aerospace and automotive systems. It delivers 18,000 W peak pulse power at 10/1000 μs, features a 10 V reverse standoff voltage (VWM), clamps to ≤17.0 V at 1059 A peak impulse current (IPP), and meets RTCA DO-160F Level 4 pin injection for Waveform 4 - used in aircraft avionics power rail protection.
For engineers reviewing the MPLAD18KP10CAE3 datasheet, MPLAD18KP10CAE3 pinout, MPLAD18KP10CAE3 application, or MPLAD18KP10CAE3 equivalent, key selection criteria include its bidirectional polarity, 17.0 V maximum clamping voltage at rated IPP, IEC 61000-4-5 Class 1–5 secondary lightning compliance with 42 Ω source impedance, and RoHS-compliant e3 plating for lead-free assembly.
Technical Context
This TVS diode operates as a voltage-clamped crowbar device, triggered when transient voltage exceeds its 11.1–12.3 V breakdown range (V(BR) @ I(BR)). Its low 0.7 °C/W junction-to-case thermal resistance enables effective heat dissipation during multi-stroke surges, supporting compliance with RTCA DO-160 Section 22 lightning testing.
Designed for bidirectional protection, MPLAD18KP10CAE3 suppresses both positive and negative transients without polarity sensitivity. It achieves <5 ns response time and supports steady-state power dissipation of 2.5 W at 25°C ambient, derated to 71 W at 100°C case temperature per thermal design constraints.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power (PPP) | 18,000 W @ 10/1000 μs - sustains aircraft-grade lightning surge energy without failure |
| Reverse Standoff Voltage (VWM) | 10 V - maximum continuous DC or RMS operating voltage before clamping initiates |
| Breakdown Voltage (V(BR)) | 11.1–12.3 V @ I(BR) - precise threshold for reliable turn-on under transient overvoltage |
| Max Clamping Voltage (VC) | 17.0 V @ 1059 A IPP - limits downstream IC voltage stress during worst-case surge |
| Peak Impulse Current (IPP) | 1059 A @ 10/1000 μs - quantifies maximum single-event surge current handling capability |
| Thermal Resistance (RθJC) | 0.7 °C/W - enables efficient heat transfer to heatsink or PCB copper for repeated surge duty |
| Standby Current (ID) | 45 μA @ VWM - ensures negligible leakage power loss in always-on 10 V rail applications |
Pinout & Package
Package: Surface-mount PLAD (Plastic Leaded Anodeless Device) with metal base cathode terminal; void-free UL94V-0 epoxy body; 12.32 × 10.54 × 5.08 mm (L×W×H); weight ≈1 g; RoHS-compliant matte-tin plating (e3).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Top Surface Pads) | Transient current entry point for negative excursions | Two symmetrical SMT pads accept standard reflow; bidirectional conduction requires no polarity orientation |
| Cathode (Metal Base) | Transient current return path / thermal interface | Exposed metal underside serves as primary heat sink contact and electrical cathode - must be soldered to large copper pour |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional surge suppression | Enables single-device protection of AC-coupled or floating signal/power lines without polarity concerns |
| RTCA DO-160F Waveform 4 Level 4 compliance | Validated for 6.4/69 μs pin-injection transients at 25°C - critical for commercial aircraft avionics certification |
| IEC 61000-4-5 Class 1–5 support (42 Ω source) | Meets full secondary lightning immunity across all severity levels using standardized test setup |
| 0.7 °C/W RθJC thermal resistance | Allows >90% of surge energy to conduct into PCB copper or heatsink - reduces junction temperature rise by ~75% vs. typical SMT TVS |
| Moisture Sensitivity Level 1 | Eliminates dry-pack requirement and bake-out prior to reflow - lowers manufacturing cost and process risk |
Applications
| Aircraft Avionics Power Protection | Automotive Load Dump Suppression |
|---|---|
Use Scenario: Protecting 28 V DC power inputs in flight control computers and sensor interfaces against lightning-induced transients per DO-160 Section 22. IC Role / Device Role / Timing Role: Primary clamping element placed upstream of DC-DC converters and LDOs to limit input voltage excursion. Use Value: Withstands ≥100 multi-stroke lightning events while maintaining clamping performance below 17.0 V - avoids system reset or latch-up. |
Use Scenario: Safeguarding infotainment head units and ADAS ECUs during ISO 7637-2 Load Dump pulses (up to 60 V, 400 ms). IC Role / Device Role / Timing Role: Fast-response shunt device that clamps bus voltage before upstream regulators enter overvoltage shutdown. Use Value: 1059 A IPP rating handles worst-case load dump energy without degradation - eliminates need for series fusing or derating. |
| Industrial Motor Drive Gate Driver Protection | Railway Signaling Interface Protection |
Use Scenario: Shielding isolated gate drivers in variable-frequency drives from IGBT switching-induced voltage spikes and ground bounce. IC Role / Device Role / Timing Role: Low-inductance parallel clamp across driver supply rails to absorb nanosecond-scale transients. Use Value: <5 ns response time prevents gate oxide damage in SiC MOSFET drivers - maintains safe operating area during fast commutation. |
Use Scenario: Securing 75 V DC trackside signaling interfaces against induced surges from nearby traction currents and lightning coupling. IC Role / Device Role / Timing Role: Bidirectional front-end protector on RS-485/RS-422 data lines and auxiliary power feeds. Use Value: 18 kW PPP rating sustains repeated 10/1000 μs surges up to 10 kV - extends field service life in high-EMI rail environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ10CA | 600 W PPP rating, 17.0 V VC @ 32.4 A IPP - 30× lower surge capacity than MPLAD18KP10CAE3 | Rated only for IEC 61000-4-5 Class 2 (not Class 4/5); unsuitable for DO-160F Level 4 | Select SMBJ10CA only for consumer-grade 10 V rail protection where surge energy is <100 J. |
| SMCJ10CA | 1500 W PPP rating, 17.0 V VC @ 123 A IPP - 12× lower energy handling than MPLAD18KP10CAE3 | Lacks RTCA DO-160F qualification; not tested for multi-stroke lightning or pin injection waveforms | Choose SMCJ10CA for industrial PLC I/O modules requiring basic ESD/EFT immunity but not aviation certification. |
Compared with SMBJ10CA and SMCJ10CA, MPLAD18KP10CAE3 provides 30× and 12× higher peak pulse power respectively, validated clamping performance under RTCA DO-160F Waveform 4, and thermal design enabling sustained multi-stroke operation - making it the sole option for certified aerospace power rail protection.
Availability
MPLAD18KP10CAE3 is available at Aetrix Electronics and suitable for aircraft avionics, automotive power electronics, industrial motor drives, and railway signaling systems requiring stable component supply with long-term lifecycle assurance.
Supply support for MPLAD18KP10CAE3 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 MPLAD18KP10CAE3 belongs to Microsemi's high-power PLAD TVS family, engineered specifically for multi-stroke lightning and load dump protection in safety-critical platforms where failure is not an option.
FAQ
What is the clamping voltage specification for MPLAD18KP10CAE3 under maximum rated surge conditions?
The MPLAD18KP10CAE3 has a maximum clamping voltage (VC) of 17.0 V when subjected to its rated peak impulse current of 1059 A at the 10/1000 μs waveform. This value is measured per Figure 3 in the RF01215 datasheet and ensures downstream circuitry remains within safe voltage limits during worst-case transients. The MPLAD18KP10CAE3 maintains this clamping performance across its qualified temperature range and after multiple surge events.
Does MPLAD18KP10CAE3 meet RTCA DO-160F Section 22 lightning requirements?
Yes, the MPLAD18KP10CAE3 is explicitly qualified for RTCA DO-160F Section 22 lightning-induced transient susceptibility testing. It satisfies Level 4 pin injection for Waveform 4 (6.4/69 μs) and supports multi-stroke lightning testing per the standard's requirements. The MPLAD18KP10CAE3's 18,000 W peak pulse power rating and low thermal resistance are key enablers of this certification.
How is polarity identified on the MPLAD18KP10CAE3 package?
The MPLAD18KP10CAE3 is a bidirectional TVS, so polarity marking is not required for functional operation. However, the device uses a metal-base cathode configuration: the entire bottom surface is the cathode terminal, while the top-side SMT pads serve as anodes. This construction is confirmed in the "PLAD" nomenclature diagram and mechanical drawings in RF01215 Rev B - the MPLAD18KP10CAE3 must be mounted with its metal base soldered to a thermal pad.
What is the thermal resistance from junction to case (RθJC) for MPLAD18KP10CAE3, and why does it matter?
The MPLAD18KP10CAE3 has a specified RθJC of 0.7 °C/W, measured under controlled case temperature conditions. This exceptionally low value enables rapid heat transfer from the silicon junction to the PCB copper or external heatsink, preventing thermal runaway during repetitive surges. For designs requiring >1000 W average surge power, this RθJC allows the MPLAD18KP10CAE3 to operate reliably where conventional TVS devices would fail.
Is MPLAD18KP10CAE3 compliant with RoHS and moisture sensitivity standards?
Yes, the 'E3' suffix in MPLAD18KP10CAE3 denotes full RoHS compliance with annealed matte-tin plating. It also carries IPC/JEDEC J-STD-020B Moisture Sensitivity Level 1 - meaning it can be stored indefinitely at ambient conditions without dry packing or baking prior to reflow soldering. These qualifications reduce manufacturing overhead and ensure compatibility with modern lead-free assembly processes for the MPLAD18KP10CAE3.
MPLAD18KP10CAE3 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):
- 10V
- Voltage - Breakdown (Min):
- 11.1V
- Voltage - Clamping (Max) @ Ipp:
- 17V
- Current - Peak Pulse (10/1000µs):
- 1059A (1.059kA)
- 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
MPLAD18KP10CAE3 FAQ
1.How can I place an order for MPLAD18KP10CAE3 through Aetrix?
Please submit a Request for Quotation (RFQ) for MPLAD18KP10CAE3 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 MPLAD18KP10CAE3 reliable?
The price and inventory of MPLAD18KP10CAE3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPLAD18KP10CAE3 is usually 5 days.
3.What payment methods are accepted for MPLAD18KP10CAE3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPLAD18KP10CAE3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPLAD18KP10CAE3?
MPLAD18KP10CAE3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPLAD18KP10CAE3 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 MPLAD18KP10CAE3?
For technical support, including MPLAD18KP10CAE3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPLAD18KP10CAE3 requirements.
6.How does Aetrix verify that MPLAD18KP10CAE3 is sourced from the original manufacturer or authorized distributors?
All MPLAD18KP10CAE3 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 MPLAD18KP10CAE3 meets industry standards.
7.What is the process for return or replacement of MPLAD18KP10CAE3?
All MPLAD18KP10CAE3 units undergo pre-shipment inspection (PSI). If there is an issue with MPLAD18KP10CAE3, 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 MPLAD18KP10CAE3 part is unused and in its original packaging.
Return procedure for MPLAD18KP10CAE3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MPLAD18KP10CAE3 Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
