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Microchip Technology MXLDA3KP15AE3
- Part No.:
- MXLDA3KP15AE3
- Manufacturer:
- Microchip Technology
- Category:
- TVS Diodes
- Package:
- 16-SMD, Gull Wing
- Datasheet:
-
MXLDA3KP15AE3.pdf
- Description:
- UNI-DIRECTIONAL TVS_16L DIP
- Quantity:
- Payment:
- Shipping:
Inventory:7,754
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Product details
Overview
MXLDA3KP15AE3 from Microsemi is a unidirectional 3000 W surface-mount transient voltage suppressor (TVS) array with 15 V standoff voltage (VWM), 16.7–18.5 V breakdown voltage (V(BR)), and 24.4 V maximum clamping voltage (VC) at 123 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 DC power rails.
For engineers reviewing the MXLDA3KP15AE3 datasheet, MXLDA3KP15AE3 pinout, MXLDA3KP15AE3 application, or MXLDA3KP15AE3 equivalent, key selection criteria include its 15 V working voltage, sub-100 ps response time, RoHS-compliant e3 marking, MIL-PRF-19500 upscreening capability, and compatibility with high-reliability industrial and aerospace power interface designs.
Technical Context
The MXLDA3KP15AE3 operates as a unidirectional avalanche diode-based TVS, designed for parallel connection across protected lines to clamp transients before downstream ICs are damaged. Its 10/1000 μs surge rating of 3000 W and 24.4 V clamping at 123 A ensure robust energy diversion without overstressing 15 V-rated circuitry.
It features a thermoset epoxy package rated UL94V-0, tin-lead or matte-tin terminations compliant with MIL-STD-750 Method 2026, and polarity defined by odd-numbered pins as cathodes. Standby leakage is ≤2 μA at 15 V, and junction temperature range spans –55 °C to +150 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Standoff Voltage) | 15 V - Maximum continuous DC or peak AC voltage the device blocks without conduction. |
| V(BR) Min/Max | 16.7–18.5 V @ 1 mA - Ensures reliable avalanche initiation above normal operating voltage with controlled tolerance. |
| VC @ IPP | 24.4 V @ 123 A - Clamping voltage during full 3000 W surge; limits stress on 15 V logic or power ICs. |
| IPP (Peak Pulse Current) | 123 A @ 10/1000 μs - Validated surge-handling capacity for IEC61000-4-5 Level 4 (42 Ω source). |
| ID @ VWM | ≤2 μA - Negligible leakage in standby, preserving efficiency in low-power 15 V systems. |
| Response Time | <100 ps - Fast enough to suppress ESD events before damage occurs to sensitive inputs. |
| Operating Temp | –55 °C to +150 °C - Supports deployment in extended-temperature industrial, avionics, and downhole applications. |
Pinout & Package
MXLDA3KP15AE3 uses a 3-pin surface-mount DO-214AB (SMC) package with void-free thermosetting epoxy body (UL94V-0), matte-tin or tin-lead terminations, and polarity marked by a dot indicating Pin 1. Odd-numbered pins (1 and 3) are cathodes; Pin 2 is the common anode.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Cathode (Channel 1) | Connected to protected line 1; clamps positive transients to common anode (Pin 2). |
| Pin 2 | Common Anode | Reference node tied to system ground or return path; forms bidirectional clamp when paired with external diodes. |
| Pin 3 | Cathode (Channel 2) | Connected to protected line 2; enables dual-line protection with shared anode return. |
Key Features
| Feature | Design Value |
|---|---|
| 3000 W Peak Pulse Power | Enables single-device protection against severe IEC61000-4-5 surges without cascaded TVS stages. |
| RoHS-compliant e3 marking | Confirms lead-free termination and compliance with environmental directives for global manufacturing. |
| MIL-PRF-19500 upscreening option | Supports high-reliability qualification for defense/aerospace programs requiring lot traceability and 3σ ID screening. |
| Moisture Sensitivity Level 1 | Eliminates dry-pack requirement and floor-life constraints-compatible with standard SMT reflow processes. |
| Unidirectional construction | Optimized for DC-biased lines where reverse conduction must be blocked; avoids unwanted conduction during normal operation. |
Applications
| Industrial Motor Drives | Avionics Power Distribution |
|---|---|
Use Scenario: Protection of 15 V auxiliary power rails feeding flight control sensors and actuators against load dump and lightning-induced surges. IC Role / Device Role / Timing Role: Primary transient shunt element placed at board-level input filter stage, clamping spikes before DC-DC converters. Use Value: Limits clamped voltage to 24.4 V, staying within absolute maximum ratings of 28 V-tolerant analog front-ends and microcontrollers. | Use Scenario: Surge suppression on 15 V DC bus lines in airborne communication modules exposed to induced RF and electrostatic discharge. IC Role / Device Role / Timing Role: Unidirectional TVS array providing dual-line protection with shared anode return to minimize PCB footprint and routing complexity. Use Value: Sub-100 ps response ensures ESD events (IEC61000-4-2 ±8 kV contact) are clamped before latch-up occurs in RS-422 transceivers. |
| Telecom Base Station Power | Railway Signaling Interfaces |
Use Scenario: Guarding 15 V backplane power feeds in outdoor macrocell cabinets subjected to indirect lightning strikes (IEC61000-4-5, 42 Ω source). IC Role / Device Role / Timing Role: High-energy TVS placed upstream of hot-swap controllers and PMICs to prevent catastrophic failure during surge events. Use Value: 3000 W rating allows handling of multiple 10/1000 μs impulses without degradation-validated per MIL-PRF-19500 screening. | Use Scenario: Protecting 15 V signaling lines in European railway interlocking systems meeting EN 50121-3-2 immunity requirements. IC Role / Device Role / Timing Role: Dual-channel unidirectional suppressor used across differential pairs or redundant supply paths in safety-critical subsystems. Use Value: ≤2 μA standby current prevents measurable loading on low-current diagnostic loops and maintains signal integrity over long cable runs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ15A | 600 W rating, 24.4 V VC @ 24.5 A; smaller SMB package; no MIL-PRF-19500 screening option. | Lower energy handling limits use to consumer or light-industrial environments-not suitable for Class 4 lightning testing. | Select SMBJ15A only when surge threat level is ≤1 kW and high-reliability screening is unnecessary. |
| 1.5KE15A | 1500 W rating, 24.4 V VC @ 61.5 A; axial-leaded DO-201 package; higher thermal resistance than surface-mount MDA series. | Requires through-hole assembly and larger board area; less suitable for automated SMT production or space-constrained modules. | Choose 1.5KE15A only if legacy through-hole design or cost sensitivity outweighs power density and reliability requirements. |
Compared with SMBJ15A and 1.5KE15A, MXLDA3KP15AE3 delivers double the surge power handling (3000 W vs. ≤1500 W), supports high-volume SMT placement, and offers optional military-grade screening-making it the only choice for Class 4 IEC61000-4-5 compliance in mission-critical 15 V systems.
Availability
MXLDA3KP15AE3 is available at Aetrix Electronics and suitable for industrial motor drives, avionics power distribution, and telecom base station power requiring stable component supply, long-term lifecycle support, and traceable sourcing for high-reliability deployments.
Supply support for MXLDA3KP15AE3 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 radiation-hardened components for aerospace, defense, and industrial markets.
The MDA3KP series was engineered specifically for high-energy transient suppression in safety-critical DC power interfaces-emphasizing surge robustness, temperature stability, and qualification readiness for MIL-PRF-19500 and IEC61000-4-5 compliance.
FAQ
What is the polarity configuration of MXLDA3KP15AE3?
MXLDA3KP15AE3 is a unidirectional TVS array with odd-numbered pins (1 and 3) serving as cathodes and Pin 2 as the common anode. This configuration enables clamping of positive-going transients on two independent lines to a shared reference, while blocking reverse conduction-critical for DC-biased 15 V rail protection where negative excursions must not trigger conduction.
Does MXLDA3KP15AE3 meet IEC61000-4-5 Class 4 requirements?
Yes, MXLDA3KP15AE3 is validated for IEC61000-4-5 Class 4 secondary lightning protection with a 42 Ω source impedance, delivering 3000 W peak pulse power at 10/1000 μs. Its 24.4 V clamping voltage at 123 A ensures protected 15 V circuits remain within safe operating limits during full-level surge events, as confirmed in Microsemi's RF01243 datasheet Figure 2 and test conditions.
What is the moisture sensitivity level (MSL) for MXLDA3KP15AE3?
MXLDA3KP15AE3 has Moisture Sensitivity Level 1 per IPC/JEDEC J-STD-020B, meaning it requires no dry pack storage or floor-life controls prior to reflow soldering. This eliminates baking steps and simplifies SMT manufacturing-especially beneficial for high-mix, high-volume production of industrial and aerospace boards where process reliability is critical.
Can MXLDA3KP15AE3 be used in bidirectional configurations?
No-MXLDA3KP15AE3 is strictly unidirectional. For bidirectional protection, Microsemi specifies the C-suffix variant (e.g., MXLDA3KP15CE3). The "A" suffix in MXLDA3KP15AE3 explicitly denotes unidirectional construction, and its internal structure lacks symmetrical avalanche characteristics required for AC or bipolar transient suppression.
What does the "e3" suffix indicate in MXLDA3KP15AE3?
The "e3" suffix in MXLDA3KP15AE3 indicates RoHS-compliant termination-specifically, matte-tin plating meeting EU Directive 2011/65/EU. This ensures lead-free solderability and environmental compliance without compromising solder joint reliability, and is verified per Microsemi's nomenclature guide in RF01243 Rev B page 2.
MXLDA3KP15AE3 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):
- 15V
- Voltage - Breakdown (Min):
- 16.7V
- Voltage - Clamping (Max) @ Ipp:
- 24.4V
- Current - Peak Pulse (10/1000µs):
- 123A
- 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:
- -
MXLDA3KP15AE3 FAQ
1.How can I place an order for MXLDA3KP15AE3 through Aetrix?
Please submit a Request for Quotation (RFQ) for MXLDA3KP15AE3 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 MXLDA3KP15AE3 reliable?
The price and inventory of MXLDA3KP15AE3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MXLDA3KP15AE3 is usually 5 days.
3.What payment methods are accepted for MXLDA3KP15AE3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MXLDA3KP15AE3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MXLDA3KP15AE3?
MXLDA3KP15AE3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MXLDA3KP15AE3 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 MXLDA3KP15AE3?
For technical support, including MXLDA3KP15AE3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MXLDA3KP15AE3 requirements.
6.How does Aetrix verify that MXLDA3KP15AE3 is sourced from the original manufacturer or authorized distributors?
All MXLDA3KP15AE3 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 MXLDA3KP15AE3 meets industry standards.
7.What is the process for return or replacement of MXLDA3KP15AE3?
All MXLDA3KP15AE3 units undergo pre-shipment inspection (PSI). If there is an issue with MXLDA3KP15AE3, 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 MXLDA3KP15AE3 part is unused and in its original packaging.
Return procedure for MXLDA3KP15AE3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MXLDA3KP15AE3 Tags
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