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Taiwan Semiconductor Corporation P4SMA100CH
- Part No.:
- P4SMA100CH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
P4SMA100CH.pdf
- Description:
- 400W, 100V, 10%, BIDIRECTIONAL,
- Quantity:
- Payment:
- Shipping:
Inventory:2,670
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Product details
Overview
P4SMA100CH from Taiwan Semiconductor is a bidirectional surface-mount transient voltage suppressor (TVS) diode designed for automotive-grade surge protection in DC power rails and signal lines. It delivers 400W peak pulse power handling, 144V clamping voltage at 2.9A peak impulse current, and AEC-Q101 qualification - enabling robust ESD and ISO 7637-2 Pulse 1/2a/2b/3a/3b protection in on-board DC/DC converters and lighting control modules.
For engineers reviewing the P4SMA100CH datasheet, P4SMA100CH pinout, P4SMA100CH application, or P4SMA100CH equivalent, key selection criteria include its DO-214AC (SMA) package compatibility, bidirectional clamping symmetry, 81.0V working stand-off voltage, and <1μA reverse leakage at rated VWM - critical for low-power automotive sensor interfaces and always-on subsystems.
Technical Context
The P4SMA100CH implements a glass-passivated silicon junction optimized for fast transient response (<1.0 ps), with symmetrical breakdown characteristics in both directions due to its CH suffix designation. Its unidirectional counterpart uses 'H', while 'CH' explicitly denotes bidirectional operation per manufacturer ordering convention.
It operates across –55°C to +150°C junction temperature range and meets JESD201 Class 2 whisker resistance and J-STD-020 Moisture Sensitivity Level 1 - confirming suitability for reflow-soldered automotive PCB assemblies without preconditioning.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 81.0 V - maximum continuous reverse operating voltage before significant leakage begins |
| VBR min/max | 90.0 / 110.0 V @ 1.0 mA - guaranteed breakdown threshold range defining turn-on consistency |
| VC @ IPPM | 144 V @ 2.9 A (10/1000 μs) - clamped voltage during worst-case surge, limiting downstream stress |
| PPPM | 400 W - peak pulse power dissipation capability under standardized surge waveform |
| IR @ VWM | <1 μA - ultra-low leakage ensures minimal standby current drain in battery-critical systems |
| TJ max | +150 °C - extended thermal rating supports under-hood and high-ambient industrial deployments |
Pinout & Package
Package: DO-214AC (SMA), surface-mount, bidirectional configuration with cathode band omitted (symmetrical terminals).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (reversible) | Bidirectional surge path | No polarity marking required; either terminal accepts transient energy in either direction |
| Case | Thermal & mechanical interface | Plastic body provides UL 94V-0 flammability rating and 0.060 g mass for automated placement stability |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive electronics per stress test requirements including temperature cycling, HTRB, and ESD |
| Glass passivated junction | Enhances long-term reliability and moisture resistance vs. epoxy-passivated alternatives |
| ISO 7637-2 compliance | Withstands defined vehicle electrical transients (Pulse 1, 2a, 2b, 3a, 3b) without degradation |
| Fast response time | <1.0 ps enables clamping before sensitive ICs experience overvoltage damage |
| Halogen-free & RoHS | Meets IEC 61249-2-21 and EU RoHS Directive for environmentally compliant manufacturing |
Applications
| Automotive Lighting Control | On-Board DC/DC Converter Input |
|---|---|
Use Scenario: Protecting LED driver ICs and microcontrollers from load dump and alternator ripple in headlamp modules. IC Role / Device Role / Timing Role: Bidirectional TVS placed across input rail to clamp both positive and negative transients. Use Value: 144 V clamping voltage prevents latch-up or gate oxide rupture in 12 V–42 V automotive systems. | Use Scenario: Safeguarding primary-side controller and MOSFET gate drivers in buck converters powering ADAS sensors. IC Role / Device Role / Timing Role: Transient suppression at converter input to maintain stable 5 V or 3.3 V output under ISO 7637-2 Pulse 2b. Use Value: 400 W peak power rating absorbs 10/1000 μs surges without thermal runaway or parameter shift. |
| Industrial PLC I/O Module | Smart Building Power over Ethernet (PoE) Interface |
Use Scenario: Shielding digital input circuits from field-wiring induced surges in factory automation cabinets. IC Role / Device Role / Timing Role: Parallel-connected TVS on 24 V DC input lines to shunt induced transients to ground. Use Value: <1 μA leakage at 81.0 V VWM avoids false triggering in high-impedance optocoupler inputs. | Use Scenario: Front-end protection for PoE-powered access points exposed to lightning-induced surges on Ethernet cables. IC Role / Device Role / Timing Role: Bidirectional clamping on data pair lines to protect PHY transceivers without disrupting DC bias. Use Value: Symmetrical breakdown (90–110 V) ensures equal protection for both polarities of differential Ethernet signaling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ100CA | 600 W PPPM, DO-214AA (SMB) package, 156 V VC @ 3.8 A | Higher power rating but larger footprint; requires PCB layout change | Select when system-level surge testing exceeds 400 W or higher clamping margin is needed |
| 1.5KE100CA | 1500 W PPPM, DO-15 axial lead, 156 V VC @ 9.6 A | Through-hole mounting only; unsuitable for automated SMT lines | Choose for prototyping or legacy through-hole designs where reflow compatibility is not required |
Compared with SMBJ100CA and 1.5KE100CA, the P4SMA100CH offers optimal balance of AEC-Q101 compliance, DO-214AC footprint compatibility, and 400 W surge capacity - making it the preferred choice for production automotive SMT assemblies requiring validated reliability and space-constrained layouts.
Availability
P4SMA100CH is available at Aetrix Electronics and suitable for automotive lighting control, on-board DC/DC converter input protection, and industrial PLC I/O modules requiring stable component supply across extended temperature ranges and rigorous quality traceability.
Supply support for P4SMA100CH 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, and power devices since 1979.
The P4SMA100CH belongs to TSC's AEC-Q101-qualified P4SMAxCH series, engineered specifically for automotive and industrial transient suppression where bidirectional clamping, low leakage, and reflow-compatible packaging are mandatory.
FAQ
What does the 'CH' suffix indicate in P4SMA100CH?
The 'CH' suffix in P4SMA100CH designates a bidirectional configuration - meaning the device clamps transients equally in both forward and reverse directions. This differs from the unidirectional 'H' variant and eliminates the need for polarity-aware placement during automated assembly. The P4SMA100CH achieves symmetrical breakdown between 90.0 V and 110.0 V, making it ideal for AC-coupled or differential signal line protection where voltage polarity is undefined.
Is P4SMA100CH compliant with automotive reliability standards?
Yes, the P4SMA100CH is AEC-Q101 qualified, having passed stress tests including high-temperature reverse bias (HTRB), temperature cycling, and electrostatic discharge per JESD22-A114. It also meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b requirements - confirming its suitability for use in engine control units, body electronics, and ADAS subsystems where sustained reliability under harsh electrical environments is essential.
What is the maximum clamping voltage of P4SMA100CH under surge conditions?
The P4SMA100CH has a maximum clamping voltage (VC) of 144 V when subjected to a 10/1000 μs surge waveform at its rated peak impulse current of 2.9 A. This value is measured per ANSI/IEEE C62.35 and guarantees that downstream components see no more than 144 V during standardized transient events - a critical parameter for ensuring safe operation of 100 V-rated MOSFETs or 120 V-rated controllers in automotive power stages.
Can P4SMA100CH be used in place of a unidirectional TVS like P4SMA100H?
No - the P4SMA100CH is bidirectional and lacks a defined anode/cathode polarity, whereas P4SMA100H is unidirectional and requires correct orientation. Substituting P4SMA100CH for P4SMA100H may compromise protection in circuits relying on DC blocking or directional surge routing. Always verify circuit topology and transient polarity before replacement; the P4SMA100CH is intended for applications needing symmetrical clamping, such as data lines or floating rails.
What is the moisture sensitivity level (MSL) of P4SMA100CH?
The P4SMA100CH has a moisture sensitivity level (MSL) of Level 1 per J-STD-020, meaning it can be stored indefinitely at ambient conditions (≤30°C / 60% RH) without baking prior to reflow soldering. This eliminates floor-life constraints and simplifies SMT line integration - especially valuable for high-volume automotive electronics manufacturing where process repeatability and yield are critical.
P4SMA100CH 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):
- 81V
- Voltage - Breakdown (Min):
- 90V
- Voltage - Clamping (Max) @ Ipp:
- 144V
- Current - Peak Pulse (10/1000µs):
- 2.9A
- 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)
P4SMA100CH FAQ
1.How can I place an order for P4SMA100CH through Aetrix?
Please submit a Request for Quotation (RFQ) for P4SMA100CH 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 P4SMA100CH reliable?
The price and inventory of P4SMA100CH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4SMA100CH is usually 5 days.
3.What payment methods are accepted for P4SMA100CH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4SMA100CH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4SMA100CH?
P4SMA100CH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4SMA100CH 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 P4SMA100CH?
For technical support, including P4SMA100CH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4SMA100CH requirements.
6.How does Aetrix verify that P4SMA100CH is sourced from the original manufacturer or authorized distributors?
All P4SMA100CH 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 P4SMA100CH meets industry standards.
7.What is the process for return or replacement of P4SMA100CH?
All P4SMA100CH units undergo pre-shipment inspection (PSI). If there is an issue with P4SMA100CH, 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 P4SMA100CH part is unused and in its original packaging.
Return procedure for P4SMA100CH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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