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Vishay General Semiconductor - Diodes Division P4SMA13CAHM3/I
- Part No.:
- P4SMA13CAHM3/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
P4SMA13CAHM3/I.pdf
- Description:
- TVS DIODE 11.1VWM 18.2VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:9,942
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Product details
Overview
P4SMA13CAHM3/I from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMA (DO-214AC) package, designed for clamping voltage transients on signal or power lines. It features a 13 V breakdown voltage (VBR min/max = 12.4 V / 13.7 V at 1.0 mA), 11.1 V standoff voltage (VWM), 18.2 V maximum clamping voltage (VC) at 22.0 A peak pulse current, and 400 W peak pulse power rating with 10/1000 µs waveform - used to protect MOSFETs, sensor interfaces, and industrial I/O circuits.
For engineers reviewing the P4SMA13CAHM3/I datasheet, P4SMA13CAHM3/I pinout, P4SMA13CAHM3/I application, or P4SMA13CAHM3/I equivalent, this device serves as a halogen-free, AEC-Q101-qualified transient protector for automotive and industrial systems requiring robust ESD and surge immunity without polarity constraints.
Technical Context
The P4SMA13CAHM3/I operates bidirectionally with symmetrical clamping behavior in both polarities, enabling protection of AC-coupled or differential signal paths without orientation concerns. Its glass-passivated junction ensures stable breakdown characteristics and low leakage (<1.0 µA at VWM).
It delivers 400 W peak pulse power (derated to 300 W above 91 V) under 10/1000 µs waveform, with thermal resistance RθJA = 120 °C/W and RθJL = 30 °C/W, supporting operation from –65 °C to +150 °C junction temperature. The device meets JESD201 Class 2 whisker resistance and MSL Level 1 reflow compatibility (260 °C peak).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 12.4 V / 13.7 V at 1.0 mA - defines reliable conduction onset for transient suppression |
| VWM | 11.1 V - maximum continuous reverse operating voltage before leakage exceeds 1.0 µA |
| VC @ IPPM | 18.2 V at 22.0 A - clamped voltage during 400 W surge, limiting stress on downstream ICs |
| PPPM | 400 W (10/1000 µs) - surge energy handling capacity for lightning/inductive switching events |
| IFSM | Not applicable - bidirectional device has no forward surge rating (unidirectional only) |
| TJ max | +150 °C - enables use in under-hood automotive and high-temperature industrial environments |
| Package | SMA (DO-214AC) - surface-mount footprint compatible with automated assembly and 0.2" × 0.2" copper pads |
Pinout & Package
Package: SMA (DO-214AC), molded plastic case with matte tin-plated leads; polarity unmarked for bidirectional configuration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current entry (negative polarity) | One terminal of symmetrical junction; accepts surge current in either direction |
| Cathode | Transient current entry (positive polarity) | Second terminal of symmetrical junction; completes bidirectional clamping path |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC, differential, or floating signal lines without polarity alignment |
| AEC-Q101 qualified | Validated for automotive applications including engine control, body electronics, and ADAS sensor interfaces |
| Halogen-free & RoHS-compliant (HM3 suffix) | Meets environmental compliance requirements for global automotive and industrial OEM supply chains |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and standard reflow without baking, simplifying SMT manufacturing |
| Low incremental surge resistance | Minimizes VC overshoot during fast transients, improving protection margin for 3.3 V/5 V logic |
Applications
| Automotive Sensor Interface Protection | Industrial PLC Digital I/O Protection |
|---|---|
Use Scenario: Protecting CAN, LIN, or analog sensor inputs (e.g., temperature, pressure) from load dump and ESD in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional TVS placed across signal pair or between signal and ground to clamp ±15 kV ESD and 100 V load dump spikes. Use Value: Prevents latch-up or gate oxide damage in microcontrollers and signal conditioners while maintaining signal integrity below 18.2 V clamping threshold. |
Use Scenario: Safeguarding 24 V digital input channels in programmable logic controllers against field-wiring surges and relay coil flyback. IC Role / Device Role / Timing Role: Parallel-connected TVS absorbing repetitive 400 W transients induced by inductive switching in factory automation systems. Use Value: Extends system uptime by eliminating false triggering and component failure, with 11.1 V standoff preserving valid logic-high detection. |
| Consumer USB Port ESD Protection | Telecom Line Interface Surge Suppression |
Use Scenario: Shielding USB 2.0 D+/D− lines in set-top boxes and smart displays from human-body-model (HBM) ESD events. IC Role / Device Role / Timing Role: Low-capacitance bidirectional suppressor placed differentially across data lines to shunt >8 kV contact discharge. Use Value: Maintains signal rise/fall times due to minimal junction capacitance (typ. <100 pF at VWM), avoiding USB timing violations. |
Use Scenario: Front-end protection of Ethernet PHY or RS-485 transceivers in network switches and base stations exposed to lightning-induced surges. IC Role / Device Role / Timing Role: Primary-level TVS on twisted-pair lines, coordinated with GDT or MOV secondary stages per ITU-T K.20/K.21. Use Value: Limits induced common-mode voltage to <18.2 V, preventing transceiver latch-up and ensuring IEEE 802.3 compliance under surge testing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13CA | Higher 600 W PPPM, larger SMB (DO-214AA) package, same VBR/VC specs | Requires more PCB area; better suited for higher-energy surges where space permits | Select when surge energy exceeds 400 W but board layout allows SMB footprint |
| 1.5KE13CA | Through-hole TO-218 package, 1500 W PPPM, identical VBR/VC ratings | Used in legacy or high-reliability power supply designs; not SMT-compatible | Choose for through-hole prototyping or repair of existing 1.5KE-based systems |
Compared with P4SMA13CAHM3/I, SMBJ13CA offers greater surge margin in a slightly larger SMT package, while 1.5KE13CA provides legacy through-hole compatibility and higher peak power - neither is pin-compatible, but all three share identical electrical clamping behavior for design reuse across form factors.
Availability
P4SMA13CAHM3/I is available at Aetrix Electronics and suitable for automotive sensor modules, industrial PLC I/O cards, consumer USB peripherals, and telecom line interface boards requiring stable component supply with halogen-free and AEC-Q101-compliant sourcing.
Supply support for P4SMA13CAHM3/I 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, and protection devices with emphasis on reliability, automotive qualification, and high-volume manufacturability.
The P4SMA Series targets cost-sensitive yet robust transient suppression needs in automotive, industrial, and consumer electronics - engineered for automated placement, high surge tolerance, and long-term stability under thermal cycling.
FAQ
What does the "CA" suffix indicate in P4SMA13CAHM3/I?
The "CA" suffix in P4SMA13CAHM3/I denotes a bidirectional configuration, meaning the device provides symmetrical transient voltage clamping for both positive and negative polarity surges. Unlike unidirectional variants (e.g., P4SMA13A), P4SMA13CAHM3/I has no cathode marking and functions identically regardless of voltage polarity applied across its terminals - critical for protecting AC-coupled or differential signal paths.
Is P4SMA13CAHM3/I suitable for automotive applications?
Yes, P4SMA13CAHM3/I is AEC-Q101 qualified (indicated by the "HM3" suffix), making it suitable for automotive applications including engine control units, body electronics, and ADAS sensor interfaces. It operates across –65 °C to +150 °C, supports MSL Level 1 reflow, and meets JESD201 Class 2 whisker resistance - fulfilling key reliability requirements for under-hood and cabin-mounted electronics.
What is the maximum clamping voltage of P4SMA13CAHM3/I under surge conditions?
The maximum clamping voltage (VC) of P4SMA13CAHM3/I is 18.2 V at 22.0 A peak pulse current (IPPM) with a 10/1000 µs waveform. This value represents the upper limit of voltage seen by protected circuitry during a standardized surge event, ensuring downstream components like 3.3 V or 5 V microcontrollers remain within safe operating limits.
How does the HM3 suffix differ from E3 or M3 in P4SMA13CAHM3/I?
The "HM3" suffix in P4SMA13CAHM3/I indicates halogen-free, RoHS-compliant construction with AEC-Q101 qualification - distinguishing it from "E3" (RoHS-compliant commercial grade) and "M3" (halogen-free RoHS-compliant commercial grade). Only HM3 and HE3 variants carry automotive qualification; HM3 further specifies halogen-free materials required by many Tier 1 automotive OEMs.
Can P4SMA13CAHM3/I be used in place of a unidirectional TVS like P4SMA13AHM3/I?
No - P4SMA13CAHM3/I is bidirectional and lacks polarity marking, while P4SMA13AHM3/I is unidirectional with a cathode band. Substituting them requires verifying circuit topology: P4SMA13CAHM3/I suits AC, differential, or floating nodes; P4SMA13AHM3/I is mandatory for DC-biased lines where forward conduction must be blocked. Their VBR, VWM, and VC values differ slightly due to test condition variations, so direct replacement is not recommended without schematic review.
P4SMA13CAHM3/I 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:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 11.1V
- Voltage - Breakdown (Min):
- 12.4V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 22A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
P4SMA13CAHM3/I FAQ
1.How can I place an order for P4SMA13CAHM3/I through Aetrix?
Please submit a Request for Quotation (RFQ) for P4SMA13CAHM3/I 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 P4SMA13CAHM3/I reliable?
The price and inventory of P4SMA13CAHM3/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4SMA13CAHM3/I is usually 5 days.
3.What payment methods are accepted for P4SMA13CAHM3/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4SMA13CAHM3/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4SMA13CAHM3/I?
P4SMA13CAHM3/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4SMA13CAHM3/I 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 P4SMA13CAHM3/I?
For technical support, including P4SMA13CAHM3/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4SMA13CAHM3/I requirements.
6.How does Aetrix verify that P4SMA13CAHM3/I is sourced from the original manufacturer or authorized distributors?
All P4SMA13CAHM3/I 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 P4SMA13CAHM3/I meets industry standards.
7.What is the process for return or replacement of P4SMA13CAHM3/I?
All P4SMA13CAHM3/I units undergo pre-shipment inspection (PSI). If there is an issue with P4SMA13CAHM3/I, 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 P4SMA13CAHM3/I part is unused and in its original packaging.
Return procedure for P4SMA13CAHM3/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P4SMA13CAHM3/I Tags
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