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Microchip Technology MADA3KP12CAE3
- Part No.:
- MADA3KP12CAE3
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- 16-SMD, Gull Wing
- Datasheet:
-
MADA3KP12CAE3.pdf
- Description:
- BI-DIRECTIONAL TVS_16L DIP
- Quantity:
- Payment:
- Shipping:
Inventory:8,099
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Product details
Overview
MADA3KP12CAE3 from Microsemi is a bidirectional 3000 W transient voltage suppressor (TVS) array designed for high-reliability surge protection in power and signal lines. It features a 12 V standoff voltage (VWM), 13.3–14.7 V breakdown voltage (V(BR)), 19.9 V maximum clamping voltage at 150.6 A peak pulse current, and operates across –55 °C to +150 °C. It protects industrial motor drives against IEC61000-4-5 secondary lightning surges with 12 Ω source impedance.
For engineers reviewing the MADA3KP12CAE3 datasheet, MADA3KP12CAE3 pinout, MADA3KP12CAE3 application, or MADA3KP12CAE3 equivalent, key selection criteria include bidirectional polarity, 10/1000 µs surge rating, RoHS-compliant e3 termination, MIL-PRF-19500 upscreening capability, and compatibility with 12 V DC bus protection in harsh-environment systems.
Technical Context
The MADA3KP12CAE3 implements a silicon avalanche diode structure optimized for sub-5 ns response time under transient conditions. Its bidirectional configuration enables symmetrical clamping on AC-coupled or floating lines without polarity constraints.
It delivers 3000 W peak pulse power per IEC61000-4-5 with 12 Ω source impedance up to Class 3, supports 1000 V/m EFT immunity per IEC61000-4-4, and maintains <10 µA standby current at 12 V standoff - critical for low-power monitoring circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 12 V - Maximum continuous operating voltage before clamping begins; matches nominal 12 V DC supply rails. |
| V(BR) min/max | 13.3–14.7 V - Confirmed breakdown range at 1 mA; ensures reliable turn-on margin above VWM. |
| VC @ IPP | 19.9 V at 150.6 A - Clamping voltage during 10/1000 µs surge; limits downstream IC stress to safe levels. |
| PPP | 3000 W - Peak pulse power handling per standard waveform; validates robustness against lightning-induced transients. |
| TJ range | –55 °C to +150 °C - Full military-grade junction temperature range; supports operation in engine bays or industrial enclosures. |
| ID @ VWM | 5 µA - Ultra-low leakage at rated standoff; prevents battery drain in always-on sensor nodes. |
| Polarity | Bidirectional - Enables use on AC lines, differential buses, or ungrounded interfaces without orientation concerns. |
Pinout & Package
Package: DO-214AB (SMC) - Surface-mount, void-free thermosetting epoxy case meeting UL94V-0; 5 g mass; dimensions: 21.03 × 6.86 × 8.64 mm (L × W × H).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Cathode of Channel 1 | Marked by dot on top; connects to protected line side; cathode-anode symmetry defines bidirectional behavior. |
| Pin 2 | Anode of Channel 1 | Common terminal for dual-channel configuration; ties to ground or reference plane in typical clamp-to-rail layout. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC signals or floating DC buses without polarity-dependent installation. |
| 3000 W 10/1000 µs rating | Validated surge capacity for IEC61000-4-5 Class 3 with 12 Ω source impedance - meets industrial control cabinet requirements. |
| MIL-PRF-19500 upscreening option | Supports high-reliability programs requiring lot traceability, 3σ ID screening, and conformance inspection per military specification. |
| RoHS-compliant e3 termination | Matte-tin plating compliant with JEDEC J-STD-020B Level 1 moisture sensitivity - no dry pack required for SMT assembly. |
| Sub-5 ns response time | Clamps ESD events per IEC61000-4-2 within 5 ns - faster than most polymer-based protectors and sufficient for USB 2.0 or CAN FD data lines. |
Applications
| Industrial Motor Drives | Automotive Body Control Modules |
|---|---|
Use Scenario: Protection of 12 V CAN bus lines and power inputs against load dump and alternator ripple in factory automation systems. IC Role / Device Role / Timing Role: Bidirectional TVS array clamping transients between power rail and ground to limit voltage excursion to ≤19.9 V. Use Value: Prevents latch-up or gate oxide damage in CAN transceivers and microcontrollers during 12 Ω IEC61000-4-5 Class 3 surges. | Use Scenario: Surge suppression on LIN bus and sensor supply lines exposed to battery disconnect transients and ESD in passenger compartments. IC Role / Device Role / Timing Role: Fast-response bidirectional clamp absorbing ±15 kV ESD (IEC61000-4-2) and 100 A load dump spikes. Use Value: Maintains <5 µA leakage at 12 V to avoid parasitic drain in always-on vehicle modules over 15-year service life. |
| Telecom Power Feeds | Railway Signaling Interfaces |
Use Scenario: DC power input protection for remote radio units powered via 48 V PoE-like feeds subject to induced lightning surges. IC Role / Device Role / Timing Role: Standoff-rated TVS placed upstream of DC-DC converters to shunt 3000 W surges before regulation stage. Use Value: 19.9 V clamping ensures downstream 48 V → 3.3 V converter input stage remains below absolute maximum ratings during surge events. | Use Scenario: Interface protection for 110 V DC signaling lines in train control cabinets exposed to electromagnetic interference from traction motors. IC Role / Device Role / Timing Role: Bidirectional suppressor mounted across isolated signaling pair to clamp common-mode transients to rail. Use Value: –55 °C to +150 °C operating range guarantees reliability in unheated trackside enclosures with wide ambient swings. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ12CA | 600 W PPP rating; same VWM and bidirectional polarity; DO-214AA package (smaller footprint). | Limited to IEC61000-4-5 Class 1–2; insufficient for 3000 W industrial lightning surges. | Select when space-constrained PCBs require lower-power protection with identical 12 V standoff. |
| 1.5KE12CA | 1500 W PPP; axial-leaded DO-15 package; higher thermal resistance; no MIL-PRF-19500 screening path. | Not suitable for surface-mount automated assembly; lacks high-reliability qualification for aerospace or rail. | Choose only for prototyping or low-volume through-hole designs where cost outweighs performance and reliability. |
Compared with SMBJ12CA and 1.5KE12CA, the MADA3KP12CAE3 provides triple the surge power handling, certified RoHS e3 termination, and optional military-grade screening - making it the sole choice for mission-critical 12 V rail protection in automotive ECUs and industrial PLCs.
Availability
MADA3KP12CAE3 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, and railway signaling interfaces requiring stable component supply with long-term lifecycle assurance.
Supply support for MADA3KP12CAE3 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 radiation-hardened components.
The MDA3KP series was engineered for ruggedized transient suppression in defense, aerospace, and industrial systems where failure is not an option - emphasizing MIL-PRF-19500 compliance, full temperature range operation, and verified 3000 W surge endurance.
FAQ
What does the 'C' suffix in MADA3KP12CAE3 indicate?
The 'C' suffix in MADA3KP12CAE3 denotes bidirectional polarity - meaning the device clamps symmetrically for both positive and negative transients. This allows placement across floating or AC-coupled lines without regard to orientation, unlike unidirectional variants such as MADA3KP12AE3 which require correct anode/cathode alignment relative to ground.
Is MADA3KP12CAE3 compatible with lead-free reflow soldering?
Yes, MADA3KP12CAE3 features matte-tin (e3) termination and is rated for 260 °C solder temperature at 10 s per MIL-STD-750 Method 2026. Its IPC/JEDEC J-STD-020B moisture sensitivity level is Level 1, eliminating the need for dry packing prior to SMT assembly - fully compatible with standard lead-free reflow profiles.
What is the maximum clamping voltage of MADA3KP12CAE3 under surge conditions?
The maximum clamping voltage (VC) of MADA3KP12CAE3 is 19.9 V when subjected to its rated peak pulse current of 150.6 A under 10/1000 µs waveform conditions. This value is guaranteed across the full operating temperature range and ensures downstream components see no more than 19.9 V during worst-case surge events.
Can MADA3KP12CAE3 be used for IEC61000-4-5 Class 4 lightning surge protection?
No, MADA3KP12CAE3 is rated for IEC61000-4-5 Class 3 with 12 Ω source impedance. For Class 4 compliance under the same impedance, Microsemi specifies MDA3KP6.0CA to MDA3KP18A - the 12 V variant falls outside that validated range. Always verify test setup impedance and class level against the official RF01243 datasheet curves.
Does MADA3KP12CAE3 support high-reliability screening per MIL-PRF-19500?
Yes, MADA3KP12CAE3 offers optional MIL-PRF-19500 upscreening including wafer and assembly lot traceability, 3σ screening on standby current (ID), and conformance inspections. Screening details are documented in Micronote 129 - contact Aetrix Electronics for qualified lot availability and test reports.
MADA3KP12CAE3 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:
- -
- Bidirectional Channels:
- 8
- 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:
- -
MADA3KP12CAE3 FAQ
1.How can I place an order for MADA3KP12CAE3 through Aetrix?
Please submit a Request for Quotation (RFQ) for MADA3KP12CAE3 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 MADA3KP12CAE3 reliable?
The price and inventory of MADA3KP12CAE3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MADA3KP12CAE3 is usually 5 days.
3.What payment methods are accepted for MADA3KP12CAE3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MADA3KP12CAE3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MADA3KP12CAE3?
MADA3KP12CAE3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MADA3KP12CAE3 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 MADA3KP12CAE3?
For technical support, including MADA3KP12CAE3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MADA3KP12CAE3 requirements.
6.How does Aetrix verify that MADA3KP12CAE3 is sourced from the original manufacturer or authorized distributors?
All MADA3KP12CAE3 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 MADA3KP12CAE3 meets industry standards.
7.What is the process for return or replacement of MADA3KP12CAE3?
All MADA3KP12CAE3 units undergo pre-shipment inspection (PSI). If there is an issue with MADA3KP12CAE3, 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 MADA3KP12CAE3 part is unused and in its original packaging.
Return procedure for MADA3KP12CAE3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MADA3KP12CAE3 Tags
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