My Inquiry
My Account
Microchip Technology MAPLAD36KP180AE3
- Part No.:
- MAPLAD36KP180AE3
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- Nonstandard SMD
- Datasheet:
-
MAPLAD36KP180AE3.pdf
- Description:
- TVS DIODE 180VWM 291VC PLAD
- Quantity:
- Payment:
- Shipping:
Inventory:6,027
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MAPLAD36KP180AE3 from Microsemi is a unidirectional surface-mount transient voltage suppressor (TVS) designed for high-energy surge protection in aerospace and automotive systems. It delivers 36 kW peak pulse power at 10/1000 μs, features a 180 V reverse standoff voltage (VWM), clamps to ≤291 V at 124 A peak impulse current, and meets RTCA DO-160 Section 22 multi-stroke lightning requirements.
For engineers reviewing the MAPLAD36KP180AE3 datasheet, MAPLAD36KP180AE3 pinout, MAPLAD36KP180AE3 application, or MAPLAD36KP180AE3 equivalent, key selection criteria include its 1.0 °C/W junction-to-case thermal resistance, RoHS-compliant e3 plating, 1500 A forward surge rating, and compatibility with IEC 61000-4-5 Class 4 secondary lightning protection using 42 Ω source impedance.
Technical Context
This TVS diode operates as a clamping device in parallel with sensitive circuitry, activating above its 180 V working voltage to divert transients away from downstream components. Its breakdown voltage range is 200–221 V at 5 mA, with a maximum clamping voltage of 291 V at 124 A IPP under 10/1000 μs waveform conditions.
Thermally optimized for low-profile SMT mounting on FR4 PCBs, it achieves 1.0 °C/W RθJC when mounted per recommended pad layout and exhibits <100 ps response time from 0 V to V(BR) min. Standby leakage is limited to 10 μA at VWM, and temperature coefficient of V(BR) is +219 mV/°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 36,000 W @ 10/1000 μs - enables single-device suppression of severe lightning-induced surges per DO-160F Waveform 4 Level 4 |
| Reverse Standoff Voltage (VWM) | 180 V - sets maximum continuous operating voltage before clamping begins; matches 120–150 V DC bus systems with safety margin |
| Clamping Voltage (VC) | ≤291 V @ 124 A - defines worst-case voltage seen by protected ICs during full-rated surge event |
| Junction-to-Case Thermal Resistance | 1.0 °C/W - allows direct thermal coupling to heatsink or copper pour for sustained multi-pulse operation |
| Forward Surge Current (IFSM) | 1500 A @ 8.3 ms half-sine - supports high-current load dump events in 24 V automotive systems |
| Standby Leakage (ID) | ≤10 μA @ 180 V - ensures negligible power loss in always-on avionics subsystems |
| Temperature Coefficient (αV(BR)) | +219 mV/°C - quantifies V(BR) drift over -55°C to +150°C operating range for precision clamp design |
Pinout & Package
MAPLAD36KP180AE3 uses a thermally enhanced PLAD surface-mount package with metal base cathode termination. The device has two terminals: anode (top metallization) and cathode (exposed metal base). Polarity marking is present only on unidirectional variants; cathode is the metal base underside.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Positive input terminal | Connected to protected line; conducts during reverse-biased transient clamping |
| Cathode | Ground reference / return path | Exposed metal base - must be soldered to large copper area or heatsink for thermal management and low-inductance return |
Key Features
| Feature | Design Value |
|---|---|
| 36 kW peak pulse rating | Enables single-device compliance with RTCA DO-160F Section 22 multi-stroke lightning testing without derating or paralleling |
| 1.0 °C/W RθJC | Supports >100 pulses at 50% duty cycle when mounted on ≥4 cm² 2 oz copper with thermal vias |
| e3 RoHS-compliant matte-tin plating | Ensures reliable solderability per MIL-STD-750 Method 2026 and eliminates lead-based assembly constraints |
| Void-free UL94V-0 epoxy body | Provides mechanical robustness and flame resistance required for aircraft interior wiring harnesses |
| Full lot traceability & AEC-Q101 tested | Meets automotive electronics reliability standards and supports PPAP documentation for Tier-1 suppliers |
Applications
| Aircraft Avionics Power Input | Commercial Vehicle ECUs |
|---|---|
Use Scenario: Protection of ARINC 429 data bus power rails against induced lightning transients during flight. IC Role / Device Role / Timing Role: Primary clamping element placed upstream of DC-DC converters and LDOs. Use Value: Withstands repeated 36 kW surges per DO-160F Waveform 4 Level 4, eliminating need for redundant TVS stages. | Use Scenario: Guarding 24 V supply inputs of engine control units exposed to ISO 7637-2 load dump pulses. IC Role / Device Role / Timing Role: High-current transient shunt positioned at main power entry point. Use Value: 1500 A IFSM rating handles 12 V system load dumps up to 100 V peak without degradation. |
| Industrial Motor Drive DC Bus | Railway Signaling Interface |
Use Scenario: Safeguarding regenerative braking energy feedback paths in variable-frequency drives. IC Role / Device Role / Timing Role: Bidirectional-capable clamping node (using CA variant) across DC link capacitors. Use Value: 291 V VC limits voltage overshoot during rapid IGBT switching, preserving capacitor lifetime. | Use Scenario: Shielding Ethernet PHY interfaces in track-side signaling controllers from EFT and ESD per IEC 61000-4-2/4-4. IC Role / Device Role / Timing Role: Secondary protection stage after gas discharge tube primary suppression. Use Value: 10 μA ID ensures no signal integrity impact on 100BASE-TX differential pairs during normal operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ180A | 600 W PPP rating, 5.0 mm × 3.5 mm SMB package, RθJC = 35 °C/W | Limited to single-event surge handling; unsuitable for DO-160F multi-stroke testing | Select MAPLAD36KP180AE3 when >10 kW pulse energy or >100 pulse endurance is required. |
| SMCJ180A | 1500 W PPP rating, 7.2 mm × 6.2 mm SMC package, RθJC = 15 °C/W | Requires larger PCB area and cannot meet 1.0 °C/W thermal target without external heatsink | Choose MAPLAD36KP180AE3 for space-constrained avionics where thermal performance and footprint are co-critical. |
Compared with SMBJ180A and SMCJ180A, MAPLAD36KP180AE3 provides 24× and 2.4× higher peak pulse power respectively, achieves 35× and 15× lower junction-to-case thermal resistance, and is the only option qualified for RTCA DO-160F Section 22 multi-stroke lightning testing in surface-mount form.
Availability
MAPLAD36KP180AE3 is available at Aetrix Electronics and suitable for aerospace power conditioning, automotive ECU protection, and industrial motor drive DC bus stabilization requiring stable component supply across extended production lifecycles.
Supply support for MAPLAD36KP180AE3 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, and industrial markets, with emphasis on radiation-hardened ICs, timing devices, and ruggedized discrete components.
The PLAD series was developed specifically for high-power transient suppression in mission-critical platforms where thermal efficiency, multi-pulse endurance, and aviation regulatory compliance are mandatory design requirements.
FAQ
What is the maximum clamping voltage of MAPLAD36KP180AE3 under standard test conditions?
The MAPLAD36KP180AE3 has a maximum clamping voltage (VC) of 291 V when subjected to its rated peak impulse current of 124 A under 10/1000 μs waveform conditions. This value is measured at the device terminals with proper PCB layout per the recommended pad dimensions and represents the upper limit of voltage imposed on protected circuitry during full-rated surge events.
Does MAPLAD36KP180AE3 meet RTCA DO-160F lightning protection requirements?
Yes, MAPLAD36KP180AE3 is explicitly validated for RTCA DO-160F Section 22 multi-stroke lightning testing at Level 4 for Waveform 4 (6.4/69 μs) and supports Level 5 for short-distance configurations. Its 36 kW rating, low thermal resistance, and fast response enable compliance without external thermal augmentation or paralleling.
How does the e3 suffix in MAPLAD36KP180AE3 affect manufacturing and compliance?
The e3 suffix in MAPLAD36KP180AE3 indicates RoHS-compliant annealed matte-tin plating per J-STD-020B Level 1 moisture sensitivity, eliminating lead content while maintaining solderability per MIL-STD-750 Method 2026. It requires no dry pack and supports standard reflow profiles up to 260°C for 10 seconds.
Can MAPLAD36KP180AE3 be used in bidirectional surge protection circuits?
No - MAPLAD36KP180AE3 is unidirectional. For bidirectional operation, the equivalent part is MAPLAD36KP180CA. The 'A' suffix denotes unidirectional polarity, while 'CA' indicates bidirectional construction; both share identical power and thermal ratings but differ in conduction symmetry and clamping behavior across polarity reversals.
What thermal management practices are required to sustain MAPLAD36KP180AE3's 36 kW rating?
To sustain the full 36 kW peak pulse rating, MAPLAD36KP180AE3 must be mounted on a minimum 4 cm² copper area with ≥6 thermal vias (0.3 mm diameter) connecting to inner ground planes, per the documented pad layout. Junction temperature must remain ≤150°C during repetitive pulsing, requiring thermal derating above 100°C case temperature per Figure 3 in RF01216 Rev B.
MAPLAD36KP180AE3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Package/Case:
- Nonstandard SMD
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 180V
- Voltage - Breakdown (Min):
- 200V
- Voltage - Clamping (Max) @ Ipp:
- 291V
- Current - Peak Pulse (10/1000µs):
- 124A
- 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
MAPLAD36KP180AE3 FAQ
1.How can I place an order for MAPLAD36KP180AE3 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAPLAD36KP180AE3 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 MAPLAD36KP180AE3 reliable?
The price and inventory of MAPLAD36KP180AE3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAPLAD36KP180AE3 is usually 5 days.
3.What payment methods are accepted for MAPLAD36KP180AE3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAPLAD36KP180AE3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAPLAD36KP180AE3?
MAPLAD36KP180AE3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAPLAD36KP180AE3 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 MAPLAD36KP180AE3?
For technical support, including MAPLAD36KP180AE3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAPLAD36KP180AE3 requirements.
6.How does Aetrix verify that MAPLAD36KP180AE3 is sourced from the original manufacturer or authorized distributors?
All MAPLAD36KP180AE3 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 MAPLAD36KP180AE3 meets industry standards.
7.What is the process for return or replacement of MAPLAD36KP180AE3?
All MAPLAD36KP180AE3 units undergo pre-shipment inspection (PSI). If there is an issue with MAPLAD36KP180AE3, 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 MAPLAD36KP180AE3 part is unused and in its original packaging.
Return procedure for MAPLAD36KP180AE3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAPLAD36KP180AE3 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…
