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Taiwan Semiconductor Corporation P4SMA150C
- Part No.:
- P4SMA150C
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
P4SMA150C.pdf
- Description:
- 400W, 150V, 10%, BIDIRECTIONAL,
- Quantity:
- Payment:
- Shipping:
Inventory:9,183
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Product details
Overview
P4SMA150C from Taiwan Semiconductor is a bidirectional surface-mount transient voltage suppressor (TVS) diode designed for robust overvoltage protection in DC power rails and signal lines. It features a 150 V working stand-off voltage (VWM), 135–165 V breakdown voltage (VBR), 215 V maximum clamping voltage (VC) at 1.9 A peak impulse current, and 400 W peak pulse power rating under 10/1000 µs waveform - deployed in switching mode power supplies and automotive body electronics.
For engineers reviewing the P4SMA150C datasheet, P4SMA150C pinout, P4SMA150C application, or P4SMA150C equivalent, key selection criteria include bidirectional clamping capability, DO-214AC (SMA) package compatibility, low leakage (<1 µA at 121 V), ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance, and junction temperature range of –55°C to +150°C.
Technical Context
The P4SMA150C implements a glass-passivated silicon junction optimized for fast transient suppression with typical response time under 1.0 ps. Its bidirectional configuration enables symmetrical clamping in both polarities without external polarity management, making it suitable for AC-coupled or floating bus protection.
It operates within a –55°C to +150°C junction temperature range and is rated for 400 W non-repetitive peak pulse power per 10/1000 µs waveform. The device meets JESD201 Class 2 whisker resistance and UL 94V-0 flammability requirements, supporting automated SMT placement in high-reliability industrial and automotive assemblies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 121 V - Maximum continuous reverse operating voltage before clamping initiates |
| VBR min/max | 135 V / 165 V @ 1 mA - Verified breakdown threshold ensures predictable turn-on across production lot |
| VC @ IPPM | 215 V @ 1.9 A - Clamping voltage limits downstream IC stress during ISO 7637-2 Pulse 5a transients |
| PPPM | 400 W - Peak surge energy handling capacity for 10/1000 µs waveform, derated above 25°C |
| IR @ VWM | <1 µA - Negligible standby leakage preserves battery-backed or low-power rail integrity |
| TJ range | –55°C to +150°C - Enables deployment in under-hood automotive or industrial ambient environments |
Pinout & Package
Package: DO-214AC (SMA), surface-mount, bidirectional, cathode band not applicable (symmetrical terminals).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (A) | Transient return path (bidirectional) | Connects to protected line; conducts during either polarity overvoltage event |
| Cathode (K) | Transient return path (bidirectional) | Electrically identical to Anode; no polarity marking required for P4SMA150C |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC signals or ungrounded DC buses without polarity constraints |
| Glass passivated junction | Ensures stable VBR and low leakage across humidity and thermal cycling (J-STD-020 MSL Level 1) |
| ISO 7637-2 compliance | Validated for automotive load dump and inductive switching transients (Pulse 1/2a/2b/3a/3b) |
| Fast response <1.0 ps | Clamps before sensitive downstream logic or analog circuitry sustains damage from ESD or surge |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting LIN bus and sensor supply lines from load dump and alternator ripple in vehicle door modules. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed between VBAT and ground, absorbing transients up to 400 W without degradation. Use Value: Maintains system uptime by preventing microcontroller reset or CAN/LIN transceiver latch-up during ISO 7637-2 Pulse 5a events. | Use Scenario: Safeguarding 24 V DC digital input channels against field-wiring induced surges in factory automation cabinets. IC Role / Device Role / Timing Role: Primary overvoltage clamp on each opto-isolator input, limiting voltage to ≤215 V during 1 kV/µs transients. Use Value: Eliminates need for secondary RC snubbers or gas discharge tubes, reducing BOM count and PCB area. |
| LED Driver Power Input | DC/DC Converter Feedback Loop |
Use Scenario: Suppressing flyback spikes and hot-plug transients on constant-current LED driver inputs in streetlight systems. IC Role / Device Role / Timing Role: Parallel-connected TVS across input capacitor, clamping 10/1000 µs surges to 215 V before MOSFET gate oxide failure. Use Value: Extends MTBF by preventing cumulative gate oxide stress during repeated lightning-induced coupling events. | Use Scenario: Protecting voltage-divider feedback nodes in isolated flyback converters from output short-circuit recovery overshoot. IC Role / Device Role / Timing Role: Low-capacitance bidirectional clamp (CJ < 100 pF @ 0 V) placed across resistor divider to avoid signal distortion. Use Value: Preserves regulation accuracy while enabling sub-100 ns transient suppression without affecting loop stability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ150CA | 600 W rating, SMB package (larger footprint), higher IPPM (2.7 A), same VC (215 V) | Better suited for higher-energy transients; requires PCB pad redesign | Select when surge energy exceeds 400 W or board space allows SMB footprint |
| 1.5SMC150CA | 1500 W rating, SMC package (3.5 mm × 7.2 mm), VC = 219 V, VWM = 121 V | Targeted at heavy-duty industrial mains input stages; not drop-in compatible | Choose for front-end AC/DC rectifier protection where peak power >1 kW is expected |
Compared with SMBJ150CA and 1.5SMC150CA, the P4SMA150C offers optimal balance of compact DO-214AC footprint, ISO 7637-2 compliance, and 400 W surge handling - ideal for space-constrained automotive and industrial control nodes where layout change is prohibitive.
Availability
P4SMA150C is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC I/O modules, LED driver power inputs, and DC/DC converter feedback protection requiring stable component supply and full traceability.
Supply support for P4SMA150C 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 for industrial, automotive, and consumer applications.
The P4SMA series is part of TSC's surface-mount TVS portfolio engineered specifically for AEC-Q200–aligned automotive subsystems and high-reliability industrial power rails with stringent surge immunity requirements.
FAQ
What does the "C" suffix indicate in P4SMA150C?
The "C" suffix in P4SMA150C denotes bidirectional configuration - meaning the device provides symmetrical clamping for both positive and negative transients without polarity sensitivity. Unlike unidirectional variants (e.g., P4SMA150A), P4SMA150C has no cathode marking and functions identically in either orientation. This is confirmed in the datasheet's "Devices for Bipolar Applications" section and applies directly to P4SMA150C.
Is P4SMA150C compliant with automotive transient standards?
Yes, P4SMA150C meets ISO 7637-2 requirements for Pulse 1, 2a, 2b, 3a, and 3b waveforms - explicitly stated in the Features section of the official datasheet. Its 400 W peak pulse rating, 215 V clamping voltage, and –55°C to +150°C operating range make it suitable for body electronics, lighting, and infotainment power rail protection in passenger vehicles and commercial fleets.
What is the maximum clamping voltage of P4SMA150C and under what test condition?
The maximum clamping voltage of P4SMA150C is 215 V, measured at 1.9 A peak impulse current (IPPM) using the standardized 10/1000 µs double-exponential surge waveform. This value is specified in the Electrical Specifications table for P4SMA150 and confirmed in the "KEY PARAMETERS" section - critical for ensuring downstream components remain below their absolute maximum voltage ratings during surge events.
Does P4SMA150C require special PCB layout considerations?
Yes - due to its fast sub-1.0 ps response, P4SMA150C must be placed as close as possible to the protected node with minimal trace inductance. The DO-214AC (SMA) package supports standard SMT reflow, but thermal relief pads and symmetric copper pours are recommended to manage 400 W surge energy dissipation. Layout guidance is provided in the "PACKAGE OUTLINE DIMENSIONS" and "SUGGESTED PAD LAYOUT" sections of the TSC datasheet for P4SMA150C.
How does P4SMA150C differ from P4SMA150A?
P4SMA150C is bidirectional; P4SMA150A is unidirectional. Their VWM (121 V), VBR (135–165 V), and VC (215 V) match, but P4SMA150A has a cathode band and only clamps negative transients - requiring correct orientation. P4SMA150C eliminates polarity concerns and is preferred for AC-coupled or floating lines. This distinction is defined in the "Devices for Bipolar Applications" note and applies strictly to P4SMA150C.
P4SMA150C 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:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 121V
- Voltage - Breakdown (Min):
- 135V
- Voltage - Clamping (Max) @ Ipp:
- 215V
- Current - Peak Pulse (10/1000µs):
- 1.9A
- Power - Peak Pulse:
- 400W
- 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:
- DO-214AC (SMA)
P4SMA150C FAQ
1.How can I place an order for P4SMA150C through Aetrix?
Please submit a Request for Quotation (RFQ) for P4SMA150C 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 P4SMA150C reliable?
The price and inventory of P4SMA150C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4SMA150C is usually 5 days.
3.What payment methods are accepted for P4SMA150C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4SMA150C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4SMA150C?
P4SMA150C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4SMA150C 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 P4SMA150C?
For technical support, including P4SMA150C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4SMA150C requirements.
6.How does Aetrix verify that P4SMA150C is sourced from the original manufacturer or authorized distributors?
All P4SMA150C 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 P4SMA150C meets industry standards.
7.What is the process for return or replacement of P4SMA150C?
All P4SMA150C units undergo pre-shipment inspection (PSI). If there is an issue with P4SMA150C, 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 P4SMA150C part is unused and in its original packaging.
Return procedure for P4SMA150C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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