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Microchip Technology MDA3KP22AE3
- Part No.:
- MDA3KP22AE3
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- 16-SMD, Gull Wing
- Datasheet:
-
MDA3KP22AE3.pdf
- Description:
- UNI-DIRECTIONAL TVS_16L DIP
- Quantity:
- Payment:
- Shipping:
Inventory:8,289
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Product details
Overview
MDA3KP22AE3 from Microsemi is a unidirectional 3000 W surface-mount transient voltage suppressor (TVS) diode with 22 V standoff voltage (VWM), 24.4–26.9 V breakdown range (V(BR)), and 35.5 V maximum clamping voltage (VC) at 84.4 A peak pulse current (IPP). 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 DC power rails.
For engineers reviewing the MDA3KP22AE3 datasheet, MDA3KP22AE3 pinout, MDA3KP22AE3 application, or MDA3KP22AE3 equivalent, key selection criteria include standoff voltage matching system peak operating voltage, clamping voltage margin relative to protected IC absolute maximum ratings, thermal derating above 25 °C, and RoHS-compliant lead-free plating (e3 suffix) for automated assembly compatibility.
Technical Context
The MDA3KP22AE3 operates as a single-junction avalanche diode in unidirectional configuration, triggered when reverse voltage exceeds its V(BR) threshold. Its sub-100 ps response time enables effective suppression of ESD events and fast-rising transients without affecting normal signal integrity.
Designed for vertical mounting on PCBs, it delivers 3000 W peak pulse power (10/1000 µs waveform) with full surge testing per lot and 3σ screening on standby current (ID ≤ 2 µA @ 22 V). Its UL94V-0 epoxy package supports reflow soldering up to 260 °C for 10 seconds.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 22 V - Maximum continuous DC or peak AC voltage the device blocks without conduction; must exceed system's max operating voltage. |
| V(BR) min/max | 24.4–26.9 V @ 1 mA - Confirmed avalanche onset range; ensures predictable turn-on before downstream component damage thresholds. |
| VC @ IPP | 35.5 V @ 84.4 A - Clamped voltage during worst-case 10/1000 µs surge; defines upper voltage limit seen by protected circuitry. |
| PPP | 3000 W @ 10/1000 µs - Peak transient energy handling capacity; validated with impulse repetition ≤0.05% duty cycle. |
| ID @ VWM | ≤2 µA - Leakage current at rated standoff; low enough to avoid loading sensitive analog or battery-backed circuits. |
| TJ/TSTG | −55 to +150 °C - Operating and storage temperature range; supports industrial and automotive under-hood environments. |
Pinout & Package
MDA3KP22AE3 uses a 2-pin DO-214AB (SMC) surface-mount package with cathode marked by a dot on the top surface. Pin 1 is cathode; Pin 2 is anode. The void-free thermosetting epoxy body meets UL94V-0 flammability rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Cathode | Connected to protected line (e.g., +12 V rail); conducts during overvoltage to shunt current to ground. |
| Pin 2 | Anode | Connected to reference potential (e.g., GND); completes current path during clamping event. |
Key Features
| Feature | Design Value |
|---|---|
| RoHS-compliant matte-tin plating (e3) | Enables lead-free reflow assembly without solder joint reliability degradation or whisker risk. |
| Full lot surge testing | Every production lot verified for 3000 W pulse capability, ensuring consistent transient immunity across batches. |
| MIL-PRF-19500 upscreening option | Available for high-reliability programs requiring military-grade screening (e.g., burn-in, hermeticity, radiation tolerance). |
| Moisture sensitivity Level 1 | No dry pack or baking required prior to assembly-reduces manufacturing overhead and moisture-related delamination risk. |
Applications
| Industrial Motor Drives | Telecom Power Supplies |
|---|---|
Use Scenario: Protection of 24 V DC input stage against inductive kickback from relay coils and contactor switching. IC Role / Device Role / Timing Role: Unidirectional TVS placed between input rail and chassis ground to clamp transients before they reach upstream DC/DC converters. Use Value: Limits clamped voltage to 35.5 V, staying well below 40 V absolute max rating of typical 24 V-input buck controllers. | Use Scenario: Secondary lightning surge protection on −48 V telecom rectifier outputs per IEC61000-4-5 (42 Ω source, Class 4). IC Role / Device Role / Timing Role: Standoff-rated TVS absorbing 3000 W surges while maintaining <2 µA leakage to avoid load regulation drift. Use Value: Validated for Class 1–4 compliance at 42 Ω impedance, enabling single-device coverage across multiple telecom surge test levels. |
| Automotive Body Control Modules | Medical Diagnostic Equipment |
Use Scenario: Guarding LIN bus power pins against load dump and jump-start transients in 12 V systems. IC Role / Device Role / Timing Role: Unidirectional TVS on VBAT-supplied microcontroller power domain, oriented to block reverse polarity but conduct positive surges. Use Value: Sub-100 ps response captures fast edge transients before internal LDOs or regulators are stressed, preserving system uptime. | Use Scenario: ESD protection on isolated sensor interface power rails (e.g., CT scanner detector bias supplies). IC Role / Device Role / Timing Role: Low-leakage (≤2 µA) TVS suppressing IEC61000-4-2 ±8 kV contact discharge without perturbing precision bias voltages. Use Value: Maintains signal integrity in high-impedance analog paths where even nanoamp-level leakage could induce offset errors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ22A | Lower PPP (600 W), same VWM (22 V), higher VC (37.5 V), DO-214AA package (smaller footprint). | Not rated for IEC61000-4-5 Class 4; suitable only for ESD/EFT and lower-energy switching transients. | Select SMBJ22A only if system-level surge testing does not exceed Class 2 and board space is constrained. |
| 1.5KE22A | Higher IPP (102 A), same VWM/VC, axial-leaded DO-15 package (through-hole, no SMT compatibility). | Requires manual or wave soldering; unsuitable for high-density automated PCB assembly. | Choose 1.5KE22A only for legacy through-hole designs or prototyping where rework flexibility outweighs production efficiency. |
Compared with SMBJ22A and 1.5KE22A, the MDA3KP22AE3 uniquely combines 3000 W surge capability, SMT-ready DO-214AB packaging, and Class 4 lightning compliance-making it the only option for high-reliability, high-density, standards-certified DC rail protection.
Availability
MDA3KP22AE3 is available at Aetrix Electronics and suitable for industrial motor drives, telecom power supplies, automotive body control modules, and medical diagnostic equipment requiring stable component supply and long-term lifecycle assurance.
Supply support for MDA3KP22AE3 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, mixed-signal, and RF solutions for aerospace, defense, and industrial markets.
The MDA series was developed specifically for mission-critical transient suppression in harsh environments-emphasizing lot traceability, MIL-PRF-19500 upscreening readiness, and validated performance across extended temperature ranges.
FAQ
What is the clamping voltage of MDA3KP22AE3 at its rated peak pulse current?
The MDA3KP22AE3 has a maximum clamping voltage (VC) of 35.5 V at its rated peak pulse current (IPP) of 84.4 A under 10/1000 µs waveform conditions. This value is measured across the device terminals during standardized surge testing and defines the highest voltage imposed on protected circuitry during worst-case transient events. Designers must ensure this clamped level remains below the absolute maximum voltage rating of downstream components.
Is MDA3KP22AE3 suitable for bidirectional signal line protection?
No, MDA3KP22AE3 is a unidirectional TVS diode, indicated by the absence of "C" in its part number. It conducts only during positive transients on the cathode side and blocks reverse voltage. For bidirectional protection (e.g., data lines), the MDA3KP22CE3 variant must be used. Using MDA3KP22AE3 on AC or bidirectional signals risks forward conduction during normal operation and failure to clamp negative transients.
Does MDA3KP22AE3 require baking before reflow soldering?
No, MDA3KP22AE3 has IPC/JEDEC J-STD-020B moisture sensitivity level 1, meaning it may be stored indefinitely at ambient conditions without dry packing and requires no pre-reflow baking. Its void-free epoxy package and matte-tin (e3) plating are fully compatible with standard lead-free reflow profiles up to 260 °C for 10 seconds.
How does the MDA3KP22AE3 support IEC61000-4-5 compliance?
The MDA3KP22AE3 is validated for secondary lightning surge immunity per IEC61000-4-5 with 42 Ω source impedance across Class 1–4, and with 12 Ω and 2 Ω sources for lower classes. Its 3000 W peak pulse power rating and specified clamping behavior under 10/1000 µs waveforms directly meet the energy absorption requirements defined in the standard for protected DC power interfaces.
What does the "e3" suffix signify in MDA3KP22AE3?
Per Microsemi's nomenclature, the "e3" suffix in MDA3KP22AE3 indicates RoHS-compliant matte-tin terminal plating, free of lead, cadmium, mercury, hexavalent chromium, PBB, and PBDE. This plating meets JEDEC J-STD-020B solderability requirements and supports Pb-free reflow processes without compromising intermetallic formation or long-term joint integrity.
MDA3KP22AE3 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):
- 22V
- Voltage - Breakdown (Min):
- 24.4V
- Voltage - Clamping (Max) @ Ipp:
- 35.5V
- Current - Peak Pulse (10/1000µs):
- 84.4A
- 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:
- -
MDA3KP22AE3 FAQ
1.How can I place an order for MDA3KP22AE3 through Aetrix?
Please submit a Request for Quotation (RFQ) for MDA3KP22AE3 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 MDA3KP22AE3 reliable?
The price and inventory of MDA3KP22AE3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MDA3KP22AE3 is usually 5 days.
3.What payment methods are accepted for MDA3KP22AE3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MDA3KP22AE3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MDA3KP22AE3?
MDA3KP22AE3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MDA3KP22AE3 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 MDA3KP22AE3?
For technical support, including MDA3KP22AE3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MDA3KP22AE3 requirements.
6.How does Aetrix verify that MDA3KP22AE3 is sourced from the original manufacturer or authorized distributors?
All MDA3KP22AE3 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 MDA3KP22AE3 meets industry standards.
7.What is the process for return or replacement of MDA3KP22AE3?
All MDA3KP22AE3 units undergo pre-shipment inspection (PSI). If there is an issue with MDA3KP22AE3, 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 MDA3KP22AE3 part is unused and in its original packaging.
Return procedure for MDA3KP22AE3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MDA3KP22AE3 Tags
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