Vishay General Semiconductor - Diodes Division P4SMA100CA-M3/5A
- Part No.:
- P4SMA100CA-M3/5A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
P4SMA100CA-M3/5A.pdf
- Description:
- TVS DIODE 85.5VWM 137VC DO214AC
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
P4SMA100CA-M3/5A from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) in the P4SMA series, designed for clamping voltage transients on signal or power lines. It features a 100 V standoff voltage (VWM), 114 V minimum breakdown voltage (VBR), 137 V maximum clamping voltage (VC) at 2.2 A peak pulse current (IPPM), and 400 W peak pulse power (PPPM) with a 10/1000 µs waveform - used in automotive sensor protection and industrial I/O interface surge suppression.
For engineers reviewing the P4SMA100CA-M3/5A datasheet, P4SMA100CA-M3/5A pinout, P4SMA100CA-M3/5A application, or P4SMA100CA-M3/5A equivalent, key selection criteria include bidirectional clamping capability, SMA (DO-214AC) package compatibility, AEC-Q101 qualification status, thermal resistance (RθJA = 120 °C/W), and compliance with UL 497B for telecom and industrial protectors.
Technical Context
This bidirectional TVS diode operates symmetrically in both polarities, with no polarity marking on the device body. Its glass-passivated junction enables fast response time (<1 ns) and low incremental surge resistance, critical for suppressing ESD and lightning-induced transients per IEC 61000-4-2/4-5.
The device delivers 400 W peak pulse power up to 91 V and derates to 300 W above that threshold, mounted on standard 5.0 mm × 5.0 mm copper pads. It meets J-STD-020 MSL Level 1 and JESD201 Class 2 whisker resistance, with operating junction temperature range from –65 °C to +150 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 100 V - maximum continuous reverse working voltage before clamping begins |
| VBR (Breakdown Voltage) | 114–126 V at 1 mA test current - defines onset of avalanche conduction in either direction |
| VC (Clamping Voltage) | 137 V at 2.2 A IPPM - limits transient voltage seen by protected circuitry during surge events |
| PPPM (Peak Pulse Power) | 400 W (≤91 V), 300 W (>91 V) - surge energy handling capacity under 10/1000 µs waveform |
| ID (Reverse Leakage) | 1.0 µA max at VWM - ensures minimal standby power loss and signal integrity in high-impedance paths |
| TJ max | +150 °C - supports operation in under-hood automotive and industrial ambient environments |
| Package | SMA (DO-214AC) - industry-standard surface-mount outline with 5.0 mm × 5.0 mm pad layout requirement |
Pinout & Package
Package: SMA (DO-214AC), molded plastic case with matte tin-plated leads, UL 94 V-0 rated, dimensions 4.93 mm × 3.99 mm × 2.29 mm (L × W × H). Bidirectional configuration has no cathode/anode marking; terminals are symmetrical.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Transient conduction path | Both terminals function identically - bidirectional clamping without polarity dependency |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or differential signal lines without polarity concerns |
| 400 W peak pulse power | Withstands IEC 61000-4-5 Level 4 surges (4 kV line-to-line, 2 kV line-to-earth) on properly laid-out PCBs |
| AEC-Q101 qualified (M3 suffix) | Validated for automotive applications including engine control modules and ADAS sensor interfaces |
| MSL Level 1, 260 °C reflow compatible | Supports standard lead-free SMT assembly without pre-baking or special handling |
| UL 497B recognized (QVGQ2) | Meets safety requirements for telecom and industrial protector classification per Underwriters Laboratories |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting CAN bus transceivers and analog sensor inputs (e.g., pressure, temperature) from load dump and inductive switching transients in 12 V/24 V vehicle systems. IC Role / Device Role / Timing Role: Bidirectional TVS placed across differential pair or supply rail to clamp ±100 V transients within nanoseconds. Use Value: Prevents latch-up or permanent damage to microcontrollers and analog front-ends while maintaining signal fidelity during normal operation. |
Use Scenario: Safeguarding digital input/output channels of programmable logic controllers against EFT bursts and surge coupling from adjacent motor drives. IC Role / Device Role / Timing Role: Standoff-rated clamping device installed at connector entry point to shunt transient energy before reaching isolation barriers or FPGA I/O banks. Use Value: Enables robust field deployment in factory automation with >100,000 surge cycles lifetime under IEC 61000-4-4/4-5 compliance testing. |
| Telecom Line Interface | Consumer USB/Display Port ESD Protection |
Use Scenario: Shielding RS-485/RS-232 transceivers and Ethernet PHYs from lightning-induced surges on outdoor or long-cable runs. IC Role / Device Role / Timing Role: Primary-level protector upstream of secondary TVS arrays or integrated protection ICs in telecom infrastructure equipment. Use Value: Provides first-stage clamping with <1 ns response to limit downstream voltage stress and reduce reliance on expensive secondary protection. |
Use Scenario: Adding board-level ESD immunity to USB 2.0 data lines and HDMI/DisplayPort auxiliary channels in laptops and docking stations. IC Role / Device Role / Timing Role: Low-capacitance (typ. 80 pF at 0 V) bidirectional suppressor placed directly at connector to meet IEC 61000-4-2 ±15 kV contact discharge. Use Value: Maintains signal integrity up to 480 Mbps while passing full-system ESD validation without signal degradation or false triggers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ100CA | Higher 600 W PPPM rating, larger SMB (DO-214AA) package, RθJA = 85 °C/W | Better suited for higher-energy surges but requires larger PCB area and different pad layout | Select when system-level surge tests exceed 400 W or thermal margin is constrained |
| 1.5KE100CA | Through-hole DO-201 package, 1500 W PPPM, higher VC (165 V), slower response due to parasitic inductance | Used in legacy designs or where manual assembly or high-reliability mechanical mounting is required | Choose only for through-hole prototyping or repair scenarios - not for new SMT designs |
Compared with SMBJ100CA and 1.5KE100CA, P4SMA100CA-M3/5A offers optimal balance of compact SMA footprint, AEC-Q101 qualification, and sufficient 400 W surge rating for most automotive and industrial edge-node applications - enabling direct integration into space-constrained layouts without sacrificing reliability or certification compliance.
Availability
P4SMA100CA-M3/5A is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, telecom line drivers, and consumer port protection requiring stable component supply and halogen-free RoHS compliance.
Supply support for P4SMA100CA-M3/5A 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
Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, MOSFETs, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The P4SMA series was developed for high-volume, space-constrained transient suppression in automotive, industrial, and telecom systems - delivering standardized performance in the industry's most widely adopted surface-mount TVS package.
FAQ
What is the clamping voltage of P4SMA100CA-M3/5A at its rated peak pulse current?
The P4SMA100CA-M3/5A has a maximum clamping voltage (VC) of 137 V at 2.2 A peak pulse current (IPPM), measured using the standard 10/1000 µs waveform. This value ensures protected circuits experience limited overvoltage during surge events, and it is verified per Vishay's test conditions with 5.0 mm × 5.0 mm copper pads. The P4SMA100CA-M3/5A maintains this clamping performance across its full operating temperature range.
Is P4SMA100CA-M3/5A qualified for automotive applications?
Yes, P4SMA100CA-M3/5A is AEC-Q101 qualified - confirmed by Vishay's documentation for the HM3 suffix variant, which denotes halogen-free, RoHS-compliant, and automotive-grade qualification. The "M3" in P4SMA100CA-M3/5A explicitly identifies this qualification level, making the P4SMA100CA-M3/5A suitable for under-hood and ADAS-related applications where reliability under thermal and mechanical stress is mandatory.
Does P4SMA100CA-M3/5A have polarity markings?
No, P4SMA100CA-M3/5A does not have polarity markings because it is a bidirectional TVS diode. Unlike unidirectional variants (e.g., P4SMA100A), the P4SMA100CA-M3/5A functions identically in both directions - eliminating the need for cathode band identification. This symmetry simplifies layout and eliminates orientation errors during automated placement of the P4SMA100CA-M3/5A.
What is the thermal resistance of P4SMA100CA-M3/5A?
The P4SMA100CA-M3/5A has a typical junction-to-ambient thermal resistance (RθJA) of 120 °C/W when mounted on the recommended 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. This value reflects standard JEDEC test conditions and is critical for calculating safe power dissipation limits in real-world PCB layouts. The P4SMA100CA-M3/5A also exhibits RθJL = 30 °C/W (junction-to-lead), supporting thermal analysis in thermally constrained designs.
How does the M3 suffix affect P4SMA100CA-M3/5A compliance?
The "M3" suffix in P4SMA100CA-M3/5A indicates halogen-free, RoHS-compliant construction meeting JEDEC JESD201 Class 2 whisker resistance and J-STD-020 MSL Level 1 moisture sensitivity. It also confirms AEC-Q101 qualification for automotive use. This distinguishes P4SMA100CA-M3/5A from commercial-grade E3-suffix variants and ensures full regulatory alignment for high-reliability deployments - a defining feature of the P4SMA100CA-M3/5A part number.
P4SMA100CA-M3/5A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AC, SMA
- Series:
- P4SMA, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 85.5V
- Voltage - Breakdown (Min):
- 95V
- Voltage - Clamping (Max) @ Ipp:
- 137V
- Current - Peak Pulse (10/1000µs):
- 2.2A
- Power - Peak Pulse:
- 300W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
P4SMA100CA-M3/5A FAQ
1.How can I place an order for P4SMA100CA-M3/5A through Aetrix?
Please submit a Request for Quotation (RFQ) for P4SMA100CA-M3/5A 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 P4SMA100CA-M3/5A reliable?
The price and inventory of P4SMA100CA-M3/5A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4SMA100CA-M3/5A is usually 5 days.
3.What payment methods are accepted for P4SMA100CA-M3/5A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4SMA100CA-M3/5A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4SMA100CA-M3/5A?
P4SMA100CA-M3/5A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4SMA100CA-M3/5A 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 P4SMA100CA-M3/5A?
For technical support, including P4SMA100CA-M3/5A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4SMA100CA-M3/5A requirements.
6.How does Aetrix verify that P4SMA100CA-M3/5A is sourced from the original manufacturer or authorized distributors?
All P4SMA100CA-M3/5A 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 P4SMA100CA-M3/5A meets industry standards.
7.What is the process for return or replacement of P4SMA100CA-M3/5A?
All P4SMA100CA-M3/5A units undergo pre-shipment inspection (PSI). If there is an issue with P4SMA100CA-M3/5A, 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 P4SMA100CA-M3/5A part is unused and in its original packaging.
Return procedure for P4SMA100CA-M3/5A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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