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Taiwan Semiconductor Corporation P4SMA13H
- Part No.:
- P4SMA13H
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
P4SMA13H.pdf
- Description:
- 400W, 13V, 10%, UNIDIRECTIONAL,
- Quantity:
- Payment:
- Shipping:
Inventory:3,950
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Product details
Overview
P4SMA13H from Taiwan Semiconductor is a unidirectional 400W surface-mount transient voltage suppressor (TVS) diode in DO-214AC (SMA) package, with breakdown voltage 11.7–14.3V at 1mA, working stand-off voltage 10.5V, clamping voltage 19.0V at 22A (10/1000μs), and AEC-Q101 qualification for automotive-grade surge protection in DC/DC converters.
For engineers reviewing the P4SMA13H datasheet, P4SMA13H pinout, P4SMA13H application, or P4SMA13H equivalent, key selection criteria include unidirectional polarity, 10.5V working voltage margin, sub-1ps response time, <1μA leakage at VWM, and ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance for vehicle electrical system transients.
Technical Context
The P4SMA13H operates as a unidirectional avalanche-clamping TVS diode, designed to shunt transient energy above its breakdown threshold while maintaining low leakage (<1μA) below 10.5V. Its glass-passivated junction ensures stable VBR temperature coefficient (0.081%/°C) and robust long-term reliability under repetitive surge stress.
It meets ISO 7637-2 test requirements for automotive electronics, including Pulse 1 (inductive load dump suppression), Pulse 2a/2b (switching transients), and Pulse 3a/3b (capacitive coupling noise), with peak pulse power rated at 400W for 10/1000μs waveform and derated linearly above 25°C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR @ IT=1mA | 11.7–14.3V: Ensures reliable turn-on during overvoltage events without premature conduction during normal operation. |
| VWM | 10.5V: Maximum continuous reverse operating voltage; defines safe DC bias margin before leakage rises significantly. |
| VC @ IPPM=22A | 19.0V: Clamped voltage during 400W transient; determines maximum stress imposed on protected downstream circuitry. |
| IR @ VWM | <1μA: Ultra-low reverse leakage preserves efficiency in battery-powered or high-impedance sensing circuits. |
| Response Time | <1.0ps: Enables effective suppression of fast-rising ESD and switching transients before IC damage occurs. |
| TJ Range | −55°C to +150°C: Supports under-hood automotive deployment and industrial environments with wide thermal cycling. |
| Package | DO-214AC (SMA): Standardized SMT footprint compatible with automated placement and reflow processes. |
Pinout & Package
DO-214AC (SMA) surface-mount package with cathode band marking; two-terminal unidirectional configuration. Matte tin-plated leads meet J-STD-002 solderability and JESD201 Class 2 whisker resistance standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / Transient return path | Connected to ground or low-impedance reference plane; completes clamping loop during surge event. |
| Cathode | Protected line connection / Surge input | Connected to line being protected (e.g., 12V rail); conducts avalanche current when VAK exceeds VBR. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications per stress test requirements including HTOL, TCT, and ESD HBM/MM. |
| Glass passivated junction | Enhances long-term stability of VBR and reduces parameter drift under thermal/humidity aging. |
| ISO 7637-2 compliance | Guarantees functional immunity to standardized automotive transient waveforms without external circuit modification. |
| Moisture sensitivity level 1 | Enables unlimited floor life before reflow; eliminates baking requirement and simplifies SMT manufacturing flow. |
| RoHS & halogen-free | Meets IEC 61249-2-21 and EU RoHS Directive for environmentally compliant end-product assembly. |
Applications
| Automotive Infotainment Power Rail | Industrial SMPS Input Stage |
|---|---|
Use Scenario: Protecting USB-C PD controller supply lines in head unit modules exposed to load-dump transients. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed between 12V input and local LDO input, absorbing ISO 7637-2 Pulse 1 energy. Use Value: Limits voltage seen by LDO to ≤19.0V during 400W surge, preventing latch-up or gate oxide rupture in downstream PMICs. | Use Scenario: Safeguarding primary-side controller ICs in 24V-input AC/DC adapters subjected to lightning-induced surges. IC Role / Device Role / Timing Role: Parallel-connected TVS across bulk capacitor input to clamp common-mode spikes before rectification stage. Use Value: Maintains <1μA leakage at 24V-rated systems, avoiding standby current penalty while enabling <1ps response to fast transients. |
| LED Driver Board Protection | On-board DC/DC Converter Input |
Use Scenario: Shielding constant-current LED driver ICs from inductive kickback in automotive exterior lighting modules. IC Role / Device Role / Timing Role: Mounted directly at connector interface to suppress Pulse 2b switching transients from relay coils or motor drivers. Use Value: Clamps 22A peak impulse within 19.0V envelope, preserving driver IC integrity without derating output current capability. | Use Scenario: Securing 5V/3.3V point-of-load regulators in ADAS domain controllers against board-level ESD and bus coupling noise. IC Role / Device Role / Timing Role: Placed upstream of buck converter input filter to absorb 10/1000μs transients before LC filtering attenuation. Use Value: Delivers 400W peak power handling with DO-214AC footprint-no redesign needed when upgrading from lower-power SMA devices. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13A | 600W rating, higher VC = 21.5V at 27.5A, SMB package (larger footprint) | Better suited for higher-energy transients but requires PCB layout change due to SMB size | Select when system-level testing shows >400W surge exposure or when existing design uses SMB footprint. |
| 1.5SMC13A | 1500W rating, VC = 21.2V at 71A, SMC package (3.5mm × 7.2mm vs SMA's 2.8mm × 4.6mm) | Over-specified for typical 12V automotive nodes; adds cost and board area without benefit for ISO 7637-2 Pulse 1/2a | Prefer only if legacy SMC footprint must be retained or if future-proofing against extreme surge profiles is required. |
Compared with SMBJ13A and 1.5SMC13A, the P4SMA13H offers optimal balance of 400W surge capacity, compact DO-214AC footprint, and AEC-Q101 qualification-making it ideal for space-constrained automotive modules where precise 12V rail protection is required without over-engineering.
Availability
P4SMA13H is available at Aetrix Electronics and suitable for automotive infotainment systems, industrial switching mode power supplies, and on-board DC/DC converters requiring stable component supply with full AEC-Q101 traceability and ISO 7637-2 compliance.
Supply support for P4SMA13H 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 analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, specializing in TVS diodes, rectifiers, MOSFETs, and automotive-qualified components.
The P4SMA series belongs to TSC's AEC-Q101-certified transient voltage suppressor family, engineered specifically for robust, high-reliability protection in automotive power distribution networks and industrial power conversion stages.
FAQ
What is the polarity configuration of the P4SMA13H?
The P4SMA13H is a unidirectional TVS diode with cathode band marking indicating the protected line terminal. It conducts avalanche current only when cathode-to-anode voltage exceeds 11.7–14.3V, making it suitable for DC rail protection where polarity is fixed. Bidirectional variants use CH or CAH suffixes-not applicable to P4SMA13H.
Does the P4SMA13H meet automotive environmental standards beyond AEC-Q101?
Yes, the P4SMA13H meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b test requirements for automotive electrical disturbances, and is rated for −55°C to +150°C junction temperature operation. Its moisture sensitivity level 1 (per J-STD-020) eliminates bake requirements prior to reflow, supporting high-yield automotive SMT assembly.
What is the clamping voltage of the P4SMA13H under standard surge conditions?
The P4SMA13H has a maximum clamping voltage (VC) of 19.0V at 22A peak pulse current with 10/1000μs waveform. This value defines the upper voltage limit imposed on protected circuitry during a 400W transient event and is measured per ANSI/IEEE C62.35 standards.
Can the P4SMA13H be used in bidirectional signal line protection?
No-the P4SMA13H is strictly unidirectional and lacks symmetrical breakdown characteristics. For bidirectional data or AC line protection, select a designated bipolar variant such as P4SMA13CH or P4SMA13CAH, which exhibit matched VBR in both directions and are explicitly characterized for dual-polarity surge suppression.
How does the P4SMA13H compare to older P4SMA13 variants without the 'H' suffix?
The 'H' suffix denotes enhanced reliability and automotive qualification: P4SMA13H is AEC-Q101 qualified, features glass passivation, meets ISO 7637-2, and has tighter VBR tolerance (±10% vs ±15% for non-H versions). Non-H variants lack automotive validation and may not sustain 150°C junction temperature or moisture level 1 compliance required for modern vehicle ECUs.
P4SMA13H 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):
- 10.5V
- Voltage - Breakdown (Min):
- 11.7V
- Voltage - Clamping (Max) @ Ipp:
- 19V
- Current - Peak Pulse (10/1000µs):
- 22A
- 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)
P4SMA13H FAQ
1.How can I place an order for P4SMA13H through Aetrix?
Please submit a Request for Quotation (RFQ) for P4SMA13H 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 P4SMA13H reliable?
The price and inventory of P4SMA13H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4SMA13H is usually 5 days.
3.What payment methods are accepted for P4SMA13H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4SMA13H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4SMA13H?
P4SMA13H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4SMA13H 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 P4SMA13H?
For technical support, including P4SMA13H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4SMA13H requirements.
6.How does Aetrix verify that P4SMA13H is sourced from the original manufacturer or authorized distributors?
All P4SMA13H 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 P4SMA13H meets industry standards.
7.What is the process for return or replacement of P4SMA13H?
All P4SMA13H units undergo pre-shipment inspection (PSI). If there is an issue with P4SMA13H, 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 P4SMA13H part is unused and in its original packaging.
Return procedure for P4SMA13H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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