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Microchip Technology MADA3KP12AE3
- Part No.:
- MADA3KP12AE3
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- 16-SMD, Gull Wing
- Datasheet:
-
MADA3KP12AE3.pdf
- Description:
- UNI-DIRECTIONAL TVS_16L DIP
- Quantity:
- Payment:
- Shipping:
Inventory:5,367
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Product details
Overview
MADA3KP12AE3 from Microsemi is a unidirectional 3000 W surface-mount transient voltage suppressor (TVS) array with 12 V standoff voltage (VWM), 13.3–14.7 V breakdown voltage (V(BR)), and 19.9 V maximum clamping voltage (VC) at 150.6 A peak pulse current. It provides secondary lightning protection per IEC61000-4-5 (42 Ω, Class 1–4), ESD/EFT suppression per IEC61000-4-2/4-4, and inductive switching transient protection in power supply input stages.
For engineers reviewing the MADA3KP12AE3 datasheet, MADA3KP12AE3 pinout, MADA3KP12AE3 application, or MADA3KP12AE3 equivalent, key selection criteria include its 12 V working voltage, 19.9 V clamping performance at 150.6 A, RoHS-compliant e3 termination, -55°C to +150°C junction temperature range, and MIL-PRF-19500 upscreening capability for high-reliability aerospace and defense systems.
Technical Context
The MADA3KP12AE3 is a single-channel unidirectional TVS diode optimized for fast transient suppression in DC power rails. Its sub-100 ps response time enables effective ESD protection, while its 3000 W peak pulse power rating at 10/1000 µs waveform supports robust surge immunity in industrial and transportation electronics.
Designed for surface-mount vertical mounting, it features tin-lead or matte-tin plating compliant with MIL-STD-750 Method 2026, void-free UL94V-0 epoxy packaging, and polarity defined by dot-marked Pin 1 as cathode - consistent with standard TVS layout conventions for reverse-biased operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 12 V - Maximum continuous DC or peak AC voltage the device blocks without conduction |
| V(BR) min/max | 13.3–14.7 V @ 1 mA - Ensures reliable turn-on above normal operating voltage with margin against false triggering |
| VC @ IPP | 19.9 V @ 150.6 A - Clamping voltage limits downstream IC stress during 10/1000 µs surges |
| PPP | 3000 W @ 10/1000 µs - Sustains high-energy transients common in motor drives and power inputs |
| ID @ VWM | 5 µA - Ultra-low leakage preserves efficiency in battery-backed or low-power circuits |
| TJ/TSTG | -55°C to +150°C - Supports operation in extended-temperature environments including under-hood automotive |
| e3 marking | RoHS-compliant matte-tin termination - Enables lead-free reflow compatibility without solderability compromise |
Pinout & Package
Package: Vertical surface-mount DO-214AB (SMC) case with void-free UL94V-0 epoxy body, ~5 g weight, and polarity indicated by dot marking on top surface adjacent to Pin 1 (cathode).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Cathode | Connected to protected line (e.g., +12 V rail); conducts when transient exceeds V(BR) |
| Pin 2 | Anode | Connected to ground reference; completes current path during clamping event |
Key Features
| Feature | Design Value |
|---|---|
| 3000 W peak pulse power | Enables single-device protection against IEC61000-4-5 Level 4 surges (4 kV, 42 Ω source) without cascaded staging |
| 19.9 V clamping at 150.6 A | Keeps downstream 12 V logic or power ICs below absolute maximum ratings during worst-case transients |
| Sub-100 ps response time | Provides effective ESD suppression per IEC61000-4-2 ±8 kV contact discharge without signal distortion |
| MIL-PRF-19500 screening option | Supports high-reliability qualification for aerospace, military, and critical infrastructure applications |
| Moisture sensitivity Level 1 | Eliminates dry-pack requirement and bake-out prior to assembly, reducing manufacturing cost and risk |
Applications
| Industrial Motor Drives | Automotive Power Distribution |
|---|---|
Use Scenario: Protection of 12 V DC input rails in variable-frequency drives exposed to inductive kickback from relay coils and contactors. IC Role / Device Role / Timing Role: Unidirectional TVS clamping element placed between input rail and chassis ground. Use Value: Limits transient overvoltage to ≤19.9 V during 150 A switching events, preventing MOSFET gate oxide failure and controller latch-up. | Use Scenario: Input surge suppression on body control modules (BCMs) connected to vehicle battery via long harnesses. IC Role / Device Role / Timing Role: Primary front-end TVS on 12 V supply line before DC-DC converter and microcontroller. Use Value: Withstands ISO 7637-2 Pulse 1 (−150 V/2 Ω) and Pulse 3a (±100 V) without degradation, ensuring system uptime. |
| Telecom Power Feeds | Renewable Energy Inverters |
Use Scenario: Secondary surge protection on -48 V DC telecom rectifier outputs feeding remote radio units. IC Role / Device Role / Timing Role: Standoff-rated TVS suppressing induced RF and lightning-induced surges on long outdoor cable runs. Use Value: 12 V VWM matches nominal -48 V system derating; 3000 W rating handles multiple IEC61000-4-5 surges without parameter shift. | Use Scenario: DC link protection in solar string inverters where PV arrays generate high-voltage transients during partial shading or arc faults. IC Role / Device Role / Timing Role: Clamp device on MPPT input stage to limit voltage overshoot into boost converter MOSFETs. Use Value: 150.6 A IPP rating accommodates 10/1000 µs surges exceeding 2 kV, preserving inverter reliability in field deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ12A | 600 W PPP rating, 19.9 V VC @ 32.4 A IPP - lower energy handling | Suitable for consumer-grade 12 V systems with lower surge exposure (IEC61000-4-5 Class 2 only) | Select SMBJ12A only if system-level testing confirms 600 W suffices; MADA3KP12AE3 required for Class 4 compliance. |
| 1.5KE12A | Through-hole TO-218 package, 1500 W PPP, 20.1 V VC @ 75 A IPP - half the power, legacy footprint | Used in legacy industrial controls where board real estate allows through-hole mounting and lower surge levels apply | Choose 1.5KE12A only for drop-in replacement in existing through-hole designs; MADA3KP12AE3 offers superior power density and SMT manufacturability. |
Compared with SMBJ12A and 1.5KE12A, the MADA3KP12AE3 delivers double the peak pulse power of SMBJ12A and twice the clamping current capacity of 1.5KE12A - enabling single-device Class 4 lightning protection in compact SMT layouts without thermal derating penalties.
Availability
MADA3KP12AE3 is available at Aetrix Electronics and suitable for industrial motor drives, automotive power distribution modules, and telecom power feeds requiring stable component supply across extended temperature ranges and high-surge environments.
Supply support for MADA3KP12AE3 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 and mixed-signal ICs, RF solutions, and discrete protection devices for aerospace, defense, and industrial markets.
The MDA3KP series was engineered specifically for mission-critical transient suppression in harsh-environment electronics, emphasizing MIL-PRF-19500 upscreening readiness, wide temperature operation, and repeatable 3000 W surge performance.
FAQ
What is the clamping voltage of MADA3KP12AE3 at its rated peak pulse current?
The MADA3KP12AE3 has a maximum clamping voltage (VC) of 19.9 V at its rated peak pulse current (IPP) of 150.6 A under 10/1000 µs waveform conditions. This value is guaranteed per the manufacturer's electrical characteristics table and ensures downstream 12 V components remain within safe operating limits during surge events. The MADA3KP12AE3 achieves this clamping performance while maintaining low leakage (5 µA at 12 V) and fast response (<100 ps).
Is MADA3KP12AE3 RoHS-compliant and what does the 'e3' suffix indicate?
Yes, MADA3KP12AE3 is RoHS-compliant. The 'e3' suffix denotes matte-tin plating per J-STD-609, confirming lead-free termination compatible with Pb-free reflow processes. This plating meets MIL-STD-750 Method 2026 for solderability and ensures reliable interconnect integrity across thermal cycles. The MADA3KP12AE3 maintains full electrical specifications under RoHS-compliant assembly conditions without derating.
Can MADA3KP12AE3 be used for bidirectional transient protection?
No, MADA3KP12AE3 is unidirectional - its 'A' suffix and absence of 'C' in the part number confirm single-polarity operation. For bidirectional protection at 12 V standoff, Microsemi specifies MADA3KP12CE3 (with 'C' suffix). Using MADA3KP12AE3 in AC-coupled or bipolar signal paths would result in forward conduction during negative excursions, potentially damaging the device or circuit. Always match polarity designation to system topology.
What is the maximum operating temperature range for MADA3KP12AE3?
The MADA3KP12AE3 is rated for junction and storage temperatures from -55°C to +150°C. This extended range supports deployment in under-hood automotive, industrial enclosures, and outdoor telecom equipment. Derating of peak pulse power begins above 25°C per Figure 3 in the datasheet, with 50% power capability retained at +125°C ambient - a key advantage over standard TVS diodes limited to +125°C max junction.
Does MADA3KP12AE3 require moisture-sensitive level (MSL) handling prior to reflow?
No, MADA3KP12AE3 is rated Moisture Sensitivity Level 1 per IPC/JEDEC J-STD-020B, meaning it may be stored indefinitely at ≤30°C/60% RH without dry packing or baking. This eliminates pre-reflow bake steps, reduces manufacturing cycle time, and avoids thermal stress on the device. The MADA3KP12AE3's void-free epoxy body and hermetic-like sealing contribute to this MSL-1 classification.
MADA3KP12AE3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Package/Case:
- 16-SMD, Gull Wing
- Series:
- MDA
- Packaging:
- Tube
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 8
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 12V
- Voltage - Breakdown (Min):
- 13.3V
- Voltage - Clamping (Max) @ Ipp:
- 19.9V
- Current - Peak Pulse (10/1000µs):
- 150.6A
- Power - Peak Pulse:
- 3000W (3kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- -
MADA3KP12AE3 FAQ
1.How can I place an order for MADA3KP12AE3 through Aetrix?
Please submit a Request for Quotation (RFQ) for MADA3KP12AE3 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 MADA3KP12AE3 reliable?
The price and inventory of MADA3KP12AE3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MADA3KP12AE3 is usually 5 days.
3.What payment methods are accepted for MADA3KP12AE3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MADA3KP12AE3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MADA3KP12AE3?
MADA3KP12AE3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MADA3KP12AE3 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 MADA3KP12AE3?
For technical support, including MADA3KP12AE3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MADA3KP12AE3 requirements.
6.How does Aetrix verify that MADA3KP12AE3 is sourced from the original manufacturer or authorized distributors?
All MADA3KP12AE3 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 MADA3KP12AE3 meets industry standards.
7.What is the process for return or replacement of MADA3KP12AE3?
All MADA3KP12AE3 units undergo pre-shipment inspection (PSI). If there is an issue with MADA3KP12AE3, 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 MADA3KP12AE3 part is unused and in its original packaging.
Return procedure for MADA3KP12AE3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MADA3KP12AE3 Tags
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