Taiwan Semiconductor Corporation P4SMA13AH
- Part No.:
- P4SMA13AH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
P4SMA13AH.pdf
- Description:
- TVS DIODE 11.1VWM 18.2VC DO214AC
- Quantity:
- Payment:

- Shipping:

Inventory:6,317
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Product details
Overview
P4SMA13AH from Taiwan Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in DO-214AC (SMA) package, rated for 400W peak pulse power, 12.4–13.7V breakdown voltage (VBR), and 18.2V clamping voltage (VC) at 23A peak impulse current. It provides robust ESD and surge protection for DC/DC converters, adapters, and lighting circuits operating up to 11.1V working stand-off voltage.
For engineers reviewing the P4SMA13AH datasheet, P4SMA13AH pinout, P4SMA13AH application, or P4SMA13AH equivalent, key selection criteria include its AEC-Q101 qualification, <1.0ps response time, <1µA reverse leakage at VWM, ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance, and DO-214AC mechanical compatibility with automated SMT placement.
Technical Context
The P4SMA13AH is a single-die, unidirectional TVS diode designed for clamping fast transients on low-voltage DC lines. Its glass-passivated junction ensures stable VBR tolerance (±5% typical), while its 150°C maximum junction temperature and -55°C to +150°C operating range support automotive and industrial environments.
It delivers 400W peak pulse power under the standardized 10/1000μs waveform, with clamping performance validated at 23A (IPPM) and 18.2V (VC). The device meets JESD201 Class 2 whisker resistance and J-STD-020 Moisture Sensitivity Level 1, enabling reflow-compatible assembly without baking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR @ IT=1mA | 12.4–13.7V: Ensures reliable turn-on before system overvoltage damage occurs |
| VWM | 11.1V: Maximum continuous reverse voltage without significant leakage |
| VC @ IPPM=23A | 18.2V: Clamped voltage during 400W transient, limiting downstream stress |
| IR @ VWM | <1µA: Negligible standby power loss and signal integrity impact |
| Response time | <1.0ps: Sub-nanosecond reaction to ESD and fast-edge surges |
| Package | DO-214AC (SMA): Industry-standard SMT footprint, 0.060g weight, UL 94V-0 molding |
| AEC-Q101 | Qualified: Validated for automotive-grade reliability per stress test requirements |
Pinout & Package
DO-214AC (SMA) package: Surface-mount, single-ended cathode-banded configuration. Matte tin-plated leads compliant with J-STD-002 solderability; polarity marked by cathode band on body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference node | Connected to ground or return path; defines conduction direction during surge |
| Cathode | Protected line input | Connected to the line being protected (e.g., 12V rail); clamps to anode when VAK exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Stable VBR with ±5% tolerance and minimal drift over temperature and life |
| ISO 7637-2 compliance | Validated immunity to automotive load dump and switching transients (Pulse 1/2a/2b/3a/3b) |
| Fast response <1.0ps | Clamps ESD events (IEC 61000-4-2) before IC latch-up or gate oxide failure |
| J-STD-020 MSL Level 1 | Zero bake requirement prior to reflow; supports standard PCB assembly flow |
| RoHS & halogen-free | Complies with IEC 61249-2-21 and EU RoHS Directive 2011/65/EU |
Applications
| Automotive Body Control Module (BCM) | Industrial DC/DC Converter Input |
|---|---|
Use Scenario: Protecting LIN bus interface and 12V supply rails in BCM against battery load dump and inductive switching spikes. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed between 12V rail and chassis ground to limit transient overvoltage to ≤18.2V. Use Value: Prevents microcontroller reset, CAN transceiver damage, and sensor malfunction during ISO 7637-2 Pulse 5a (load dump) events. | Use Scenario: Safeguarding primary-side input of isolated 24V-to-5V DC/DC converter in programmable logic controller (PLC) power stage. IC Role / Device Role / Timing Role: Front-end surge suppression on 24V input rail, coordinated with upstream fuse and common-mode choke. Use Value: Enables 400W transient handling without derating converter efficiency; maintains VWM margin above nominal 24V × 0.9 = 21.6V. |
| LED Driver Power Supply | USB-C Power Delivery Adapter |
Use Scenario: Suppressing flyback spikes from MOSFET switches driving high-brightness LED strings in streetlight drivers. IC Role / Device Role / Timing Role: Parallel-connected TVS across output rectifier or switch node to clamp inductive kickback. Use Value: Limits VC to 18.2V, preventing secondary-side controller overvoltage and reducing need for higher-voltage-rated FETs. | Use Scenario: Protecting 12V/20V PD input stage against ESD and hot-swap transients during USB-C connector mating. IC Role / Device Role / Timing Role: First-line defense on VBUS line, placed immediately after connector to minimize trace inductance. Use Value: Sub-1ps response ensures clamping before PD controller's internal protection activates; <1µA leakage avoids quiescent current violation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13A | 600W rating, DO-214AA (SMB) package, 13.3–14.7V VBR, 21.5V VC @ 27.8A | Higher power handling but larger footprint; requires PCB layout revision | Select when >400W surge margin is required and SMB pad space is available |
| 1.5SMC13A | 1500W rating, DO-214AB (SMC) package, 13.7–15.1V VBR, 21.5V VC @ 70A | Three-times higher peak power, but 3× larger size and thermal mass; not drop-in | Choose for industrial motor drive inputs where 1.5kW pulses occur; avoid for space-constrained adapters |
Compared with SMBJ13A and 1.5SMC13A, the P4SMA13AH offers optimal balance of 400W surge capability, DO-214AC compactness, and AEC-Q101 qualification-making it preferred for automotive and portable power applications where board area and qualification are critical.
Availability
P4SMA13AH is available at Aetrix Electronics and suitable for automotive body electronics, industrial DC/DC converters, LED driver power supplies, and USB-C adapter designs requiring stable component supply and AEC-Q101-compliant surge protection.
Supply support for P4SMA13AH 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated semiconductor manufacturer specializing in discrete power devices, TVS diodes, rectifiers, and MOSFETs, with global distribution and AEC-Q101-qualified product lines.
The P4SMA13AH belongs to TSC's P4SMAx(A)H series of surface-mount TVS diodes engineered for high-reliability transient suppression in automotive, industrial, and consumer power systems where compact size and fast response are essential.
FAQ
What is the breakdown voltage range of the P4SMA13AH?
The P4SMA13AH has a specified breakdown voltage (VBR) range of 12.4V to 13.7V at 1.0mA test current (IT). This tight tolerance ensures consistent clamping behavior across production lots and supports reliable overvoltage protection design margins for 12V systems. The value is measured using a square-wave pulse per ANSI/IEEE C62.35 standards.
Is the P4SMA13AH suitable for automotive applications?
Yes, the P4SMA13AH is AEC-Q101 qualified and meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b test requirements-making it suitable for automotive subsystems including body control modules, lighting drivers, and infotainment power rails. Its -55°C to +150°C operating junction temperature range further supports under-hood and cabin deployment.
What is the clamping voltage of the P4SMA13AH under surge conditions?
The P4SMA13AH clamps to a maximum of 18.2V at 23A peak impulse current (IPPM) under the 10/1000μs waveform. This VC value defines the maximum voltage seen by downstream circuitry during a 400W transient event and is critical for ensuring protected ICs remain within their absolute maximum ratings.
Does the P4SMA13AH have polarity marking, and how is it oriented on the PCB?
Yes, the P4SMA13AH features a cathode band marking on the DO-214AC (SMA) package body. During PCB layout, the cathode terminal must connect to the line being protected (e.g., 12V rail), and the anode must connect to ground or return. Reversing polarity renders the device non-functional for unidirectional surge suppression.
What packaging and moisture sensitivity level does the P4SMA13AH use?
The P4SMA13AH is supplied in DO-214AC (SMA) package on 7,500-piece tape-and-reel format and is rated at Moisture Sensitivity Level (MSL) 1 per J-STD-020-meaning it may be stored indefinitely at ambient conditions and requires no baking prior to reflow soldering, simplifying manufacturing logistics.
P4SMA13AH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-214AC, SMA
- Series:
- P4SMA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 11.1V
- Voltage - Breakdown (Min):
- 12.4V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 23A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
P4SMA13AH FAQ
1.How can I place an order for P4SMA13AH through Aetrix?
Please submit a Request for Quotation (RFQ) for P4SMA13AH 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 P4SMA13AH reliable?
The price and inventory of P4SMA13AH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4SMA13AH is usually 5 days.
3.What payment methods are accepted for P4SMA13AH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4SMA13AH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4SMA13AH?
P4SMA13AH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4SMA13AH 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 P4SMA13AH?
For technical support, including P4SMA13AH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4SMA13AH requirements.
6.How does Aetrix verify that P4SMA13AH is sourced from the original manufacturer or authorized distributors?
All P4SMA13AH 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 P4SMA13AH meets industry standards.
7.What is the process for return or replacement of P4SMA13AH?
All P4SMA13AH units undergo pre-shipment inspection (PSI). If there is an issue with P4SMA13AH, 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 P4SMA13AH part is unused and in its original packaging.
Return procedure for P4SMA13AH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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