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Taiwan Semiconductor Corporation P4SMA150CH
- Part No.:
- P4SMA150CH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
P4SMA150CH.pdf
- Description:
- 400W, 150V, 10%, BIDIRECTIONAL,
- Quantity:
- Payment:
- Shipping:
Inventory:2,171
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Product details
Overview
P4SMA150CH from Taiwan Semiconductor is a bidirectional surface-mount transient voltage suppressor (TVS) diode designed for automotive-grade overvoltage protection in DC power lines and signal paths. It features a 150 V working stand-off voltage (VWM), 135–165 V breakdown voltage (VBR) at 1 mA, 215 V maximum clamping voltage (VC) at 1.9 A peak pulse current, 400 W peak pulse power rating (10/1000 µs), and AEC-Q101 qualification for under-hood and infotainment system use.
For engineers reviewing the P4SMA150CH datasheet, P4SMA150CH pinout, P4SMA150CH application, or P4SMA150CH equivalent, this device is evaluated for ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance, fast sub-1 ps response time, low leakage (<1 µA at 121 V), and DO-214AC (SMA) package suitability in space-constrained automotive and industrial power rail designs.
Technical Context
The P4SMA150CH operates as a bidirectional avalanche diode with symmetrical clamping in both polarities, enabling protection of AC-coupled or floating signal lines without polarity concerns. Its glass-passivated junction ensures stable VBR tolerance and long-term reliability under thermal cycling.
It delivers 400 W peak pulse power handling per the 10/1000 µs waveform, with junction temperature rated from –55 °C to +150 °C and moisture sensitivity level (MSL) 1 - supporting reflow-compatible automated assembly without baking requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 121 V - Maximum continuous reverse operating voltage before significant leakage; defines safe DC bias margin. |
| VBR min/max | 135 V / 165 V @ 1 mA - Tight 10% breakdown window ensures predictable turn-on across production lots. |
| VC @ IPPM | 215 V @ 1.9 A - Clamping voltage during 10/1000 µs surge; limits downstream IC stress to ≤215 V. |
| PPPM | 400 W - Peak surge energy absorption capability; supports repeated transients per ISO 7637-2. |
| IR @ VWM | <1 µA - Negligible standby power loss and minimal impact on high-impedance sensing circuits. |
| TJ max | +150 °C - Enables placement near heat sources (e.g., power MOSFETs, DC/DC inductors) without derating. |
| Package | DO-214AC (SMA) - Standardized SMD outline with 0.060 g mass; compatible with J-STD-002 soldering and JESD201 Class 2 whisker resistance. |
Pinout & Package
DO-214AC (SMA) surface-mount package with cathode band marking indicating polarity reference point; bidirectional operation means both terminals function identically - no anode/cathode assignment required in circuit layout.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Transient conduction path | Both terminals conduct equally during positive or negative surges; no directional mounting constraint. |
| Cathode band (marking) | Reference indicator | Provides visual orientation for unidirectional variants; irrelevant for P4SMA150CH's bidirectional function but retained for package consistency. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive under-hood environments including temperature cycling, humidity, and mechanical shock per stress test conditions. |
| ISO 7637-2 compliant | Withstands defined load dump (Pulse 2b), coupled transients (Pulse 1/3a/3b), and supply interruption (Pulse 2a) waveforms without degradation. |
| Fast response time | <1.0 ps - Limits voltage overshoot before clamping engages, protecting sensitive gate oxides and analog front-ends. |
| Glass passivated junction | Ensures stable leakage and breakdown characteristics over 10+ years in humid or chemically aggressive environments. |
| MSL Level 1 | No floor life limitation or pre-bake requirement - supports direct placement from sealed tape-and-reel into standard reflow profiles. |
Applications
| Automotive Infotainment Power Rail | Industrial PLC I/O Module |
|---|---|
Use Scenario: Protecting USB-C PD port power inputs in head units exposed to battery line transients during engine cranking or alternator load dump. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed upstream of buck converter input to limit surge-induced overvoltage. Use Value: Maintains <215 V clamping during 1.9 A 10/1000 µs pulses, preventing damage to 24 V-rated input stage components. | Use Scenario: Safeguarding 24 V digital input channels in programmable logic controllers subjected to inductive kickback from solenoid switching. IC Role / Device Role / Timing Role: Transient suppression at field-side connector interface before optocoupler or Schmitt trigger input. Use Value: Sub-1 ps response ensures clamping initiates before 50 ns edge-induced latch-up in CMOS input buffers. |
| On-board DC/DC Converter Input | LED Driver Supply Line |
Use Scenario: Input protection for isolated 48 V → 12 V DC/DC modules in telecom base station power distribution units. IC Role / Device Role / Timing Role: Primary surge limiter on primary-side bus before active rectification and controller IC. Use Value: 400 W peak power rating sustains multiple ISO 7637-2 Pulse 2b events without parametric shift or failure. | Use Scenario: Overvoltage guard for constant-current LED driver ICs powered from 36 V vehicle battery systems with regenerative braking spikes. IC Role / Device Role / Timing Role: Parallel-connected TVS across driver input capacitor to absorb short-duration >150 V transients. Use Value: 121 V VWM provides 20% margin above nominal 100 Vpk battery ripple, minimizing leakage while ensuring robust turn-on. |
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 PPPM rating; SMB package (larger footprint); 246 V VC @ 2.4 A; same VWM/VBR range. | Better suited for higher-energy transients where board area allows larger SMB outline. | Select when surge energy exceeds 400 W or thermal dissipation requires larger copper pads. |
| 1.5KE150CA | 1500 W PPPM; axial DO-201AD package; 243 V VC @ 6.2 A; higher leakage (~5 µA @ VWM). | Designed for through-hole prototyping or legacy designs with manual assembly; not RoHS-compliant in standard grade. | Choose only for cost-sensitive non-automotive applications where reflow compatibility is not required. |
Compared with SMBJ150CA and 1.5KE150CA, the P4SMA150CH offers optimal balance of AEC-Q101 qualification, MSL-1 reflow readiness, compact DO-214AC footprint, and precise 121 V VWM margin - making it preferred for volume automotive electronics requiring zero-layout change upgrades from earlier SMA-series TVS devices.
Availability
P4SMA150CH is available at Aetrix Electronics and suitable for automotive infotainment systems, industrial PLC I/O protection, on-board DC/DC converter inputs, and LED driver supply lines requiring stable component supply with full traceability and lifecycle management.
Supply support for P4SMA150CH 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 Taiwanese semiconductor manufacturer specializing in discrete power devices, TVS diodes, rectifiers, and MOSFETs for automotive, industrial, and consumer markets.
The P4SMA150CH belongs to TSC's AEC-Q101-qualified P4SMAxH series of surface-mount TVS diodes, engineered specifically for robust, high-reliability transient suppression in automotive power distribution and signal integrity applications.
FAQ
What does the "CH" suffix indicate in P4SMA150CH?
The "CH" suffix denotes a bidirectional configuration in the P4SMA150CH series. Unlike unidirectional variants (e.g., P4SMA150H), the CH version provides symmetrical clamping for both positive and negative transients - eliminating polarity concerns during PCB layout and enabling protection of AC-coupled or floating nodes. This matches the electrical specifications shown in the bipolar column of TSC's datasheet.
Is P4SMA150CH compliant with automotive reliability standards?
Yes, the P4SMA150CH is AEC-Q101 qualified and meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b test requirements. Its glass-passivated junction, MSL Level 1 rating, and –55 °C to +150 °C operating range confirm suitability for under-hood and cabin-mounted automotive electronics where thermal stability and surge immunity are critical.
What is the maximum clamping voltage of P4SMA150CH under surge conditions?
The P4SMA150CH has a maximum clamping voltage (VC) of 215 V at 1.9 A peak pulse current using the standardized 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and defines the upper voltage limit imposed on protected circuitry during worst-case transient events - essential for verifying safe operating margins of downstream components.
Can P4SMA150CH be used in place of unidirectional TVS diodes like P4SMA150H?
No - the P4SMA150CH is strictly bidirectional and cannot substitute for unidirectional P4SMA150H without circuit redesign. The unidirectional version conducts only in reverse bias and requires correct cathode orientation; using P4SMA150CH in its place introduces unintended forward conduction paths. Always verify polarity requirements and consult the schematic before replacement.
What packaging and reel quantity is available for P4SMA150CH?
P4SMA150CH is supplied in DO-214AC (SMA) package format on 7,500-piece tape-and-reel per standard ordering code. The reel complies with EIA-481-D standards and supports high-speed pick-and-place equipment. Lead finish is matte tin, solderable per J-STD-002, and the compound meets UL 94V-0 flammability rating.
P4SMA150CH 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:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
P4SMA150CH FAQ
1.How can I place an order for P4SMA150CH through Aetrix?
Please submit a Request for Quotation (RFQ) for P4SMA150CH 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 P4SMA150CH reliable?
The price and inventory of P4SMA150CH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4SMA150CH is usually 5 days.
3.What payment methods are accepted for P4SMA150CH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4SMA150CH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4SMA150CH?
P4SMA150CH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4SMA150CH 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 P4SMA150CH?
For technical support, including P4SMA150CH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4SMA150CH requirements.
6.How does Aetrix verify that P4SMA150CH is sourced from the original manufacturer or authorized distributors?
All P4SMA150CH 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 P4SMA150CH meets industry standards.
7.What is the process for return or replacement of P4SMA150CH?
All P4SMA150CH units undergo pre-shipment inspection (PSI). If there is an issue with P4SMA150CH, 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 P4SMA150CH part is unused and in its original packaging.
Return procedure for P4SMA150CH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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