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Vishay General Semiconductor - Diodes Division P4SMA13CAHM3/H
- Part No.:
- P4SMA13CAHM3/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
P4SMA13CAHM3/H.pdf
- Description:
- TVS DIODE 11.1VWM 18.2VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:2,278
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Product details
Overview
P4SMA13CAHM3/H 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 communication lines in automotive and industrial control systems.
For engineers reviewing the P4SMA13CAHM3/H datasheet, P4SMA13CAHM3/H pinout, P4SMA13CAHM3/H application, or P4SMA13CAHM3/H equivalent, this device is evaluated for bidirectional surge protection where low clamping voltage, AEC-Q101 qualification, halogen-free RoHS compliance, and MSL Level 1 moisture sensitivity are required in harsh-environment PCB designs.
Technical Context
The P4SMA13CAHM3/H operates as a symmetrical avalanche diode, conducting in both directions when transient voltage exceeds its breakdown threshold. Its glass-passivated junction ensures stable VBR tolerance (±5% typical), low incremental surge resistance, and fast response time (<1 ns), enabling effective suppression of ESD, lightning-induced surges, and inductive switching spikes.
Thermally, it exhibits RθJA = 120 °C/W and RθJL = 30 °C/W, with a maximum junction temperature of +150 °C and operating range from –65 °C to +150 °C. The device is rated for 400 W peak pulse power (derated to 300 W above 91 V), and supports repetitive surge duty cycle of 0.01% under standard test conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 12.4 V / 13.7 V at IT = 1.0 mA - defines precise avalanche onset window for reliable clamping activation |
| VWM | 11.1 V - maximum continuous reverse working voltage before leakage rises significantly |
| VC @ IPPM | 18.2 V at 22.0 A - clamped voltage during 10/1000 µs surge, limiting stress on downstream ICs |
| PPPM | 400 W - peak pulse power handling capability under standardized transient waveform |
| IPPM | 22.0 A - maximum non-repetitive surge current the device safely clamps without failure |
| TJ max. | +150 °C - enables operation in under-hood automotive and high-temperature industrial environments |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing |
Pinout & Package
Package: SMA (DO-214AC), surface-mount, halogen-free, RoHS-compliant, MSL Level 1 (260 °C reflow peak). Bidirectional construction - no polarity marking; symmetric terminal configuration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current entry (in one direction) | One side of symmetrical junction; conducts when voltage at this terminal exceeds cathode by >VBR |
| Cathode | Transient current entry (in opposite direction) | Other side of symmetrical junction; conducts when voltage at this terminal exceeds anode by >VBR |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or differential signal lines without polarity concerns |
| AEC-Q101 qualified | Validated for automotive applications including engine control units, body electronics, and ADAS sensor interfaces |
| Halogen-free & RoHS-compliant (HM3 suffix) | Meets global environmental regulations and supports lead-free reflow assembly with J-STD-020 compliance |
| Low clamping ratio (VC/VBR ≈ 1.4) | Minimizes overvoltage exposure to protected circuitry during surge events |
| MSL Level 1 rating | Allows unlimited floor life and standard SMT reflow without baking preconditioning |
Applications
| Automotive Sensor Protection | Industrial CAN Bus Interface |
|---|---|
|
Use Scenario: Protecting analog output lines of pressure, temperature, and position sensors in engine compartments subject to load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Bidirectional TVS placed across sensor signal and ground to clamp transients before they reach ADC input or signal conditioning amplifier. Use Value: Limits induced voltage to ≤18.2 V during 22 A surge, preserving sensor accuracy and preventing latch-up in connected microcontrollers. |
Use Scenario: Safeguarding CAN_H/CAN_L differential pair against ESD and coupled noise in factory automation PLCs and motor drives. IC Role / Device Role / Timing Role: One P4SMA13CAHM3/H per line (CAN_H–GND and CAN_L–GND) providing symmetrical clamping without disrupting DC bias or signal integrity. Use Value: Maintains CAN signal eye diagram integrity by clamping <100 ns after surge onset, with <1 nA leakage at 11.1 V ensuring minimal bus loading. |
| Consumer Power Adapter Input | Telecom Line Card Surge Protection |
|
Use Scenario: Secondary-side transient suppression on 12 V DC output rails of wall adapters exposed to mains-borne surges and hot-plug events. IC Role / Device Role / Timing Role: Bidirectional TVS placed between VOUT and GND to absorb energy from capacitive discharge or back-EMF from connected loads. Use Value: Absorbs 400 W peak pulses without degradation, enabling compact design with no need for series impedance or additional filtering components. |
Use Scenario: Front-end protection of Ethernet PHY or DSL line interface ICs against lightning-induced surges on twisted-pair telecom lines. IC Role / Device Role / Timing Role: Paired devices (one per conductor) referenced to chassis ground, leveraging symmetrical VBR to handle common-mode and differential transients. Use Value: Withstands repeated 10/1000 µs surges up to 22 A while maintaining <1 µA leakage at 11.1 V - critical for low-noise receiver front-ends. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13CA | Higher package thermal mass (SMB/DO-214AA); RθJA = 80 °C/W vs. 120 °C/W; same VBR, VC, and PPPM | Better power dissipation in high-duty-cycle scenarios; requires larger PCB pad area | Select SMBJ13CA when board layout allows larger footprint and higher average surge repetition is expected. |
| 1.5KE13CA | Through-hole TO-204AE (DO-201AE); 1500 W PPPM; VC = 21.2 V at 70.1 A; not AEC-Q101 qualified | Higher energy handling but incompatible with automated SMT assembly and automotive qualification requirements | Choose 1.5KE13CA only for prototyping or legacy through-hole designs where AEC-Q101 and SMT are not mandatory. |
Compared with SMBJ13CA and 1.5KE13CA, the P4SMA13CAHM3/H delivers optimal balance of AEC-Q101 compliance, SMT compatibility, and low-profile packaging - making it the preferred choice for space-constrained, automotive-grade, and high-volume production designs requiring verified bidirectional surge immunity.
Availability
P4SMA13CAHM3/H is available at Aetrix Electronics and suitable for automotive sensor modules, industrial CAN networks, consumer power adapters, and telecom line cards requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for P4SMA13CAHM3/H 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 passive components with emphasis on reliability, efficiency, and application-specific optimization.
The P4SMA Series targets cost-sensitive, high-volume transient protection needs in automotive, industrial, and consumer electronics - delivering AEC-Q101-qualified, halogen-free TVS diodes in compact SMA packages for robust, automated manufacturing.
FAQ
What is the breakdown voltage tolerance for P4SMA13CAHM3/H?
The P4SMA13CAHM3/H has a specified breakdown voltage range of 12.4 V to 13.7 V at 1.0 mA test current, corresponding to ±5% tolerance around the nominal 13 V rating. This tight VBR window ensures consistent clamping behavior across production lots and supports precise system-level surge margining in designs using the P4SMA13CAHM3/H.
Is P4SMA13CAHM3/H suitable for automotive applications?
Yes, the P4SMA13CAHM3/H is AEC-Q101 qualified and carries the HM3 suffix indicating halogen-free, RoHS-compliant construction with MSL Level 1 rating. It is explicitly intended for automotive use cases such as sensor protection, body control modules, and infotainment interfaces - all validated per the stress test requirements defined in the AEC-Q101 standard for the P4SMA13CAHM3/H.
What does the "CA" suffix mean in P4SMA13CAHM3/H?
The "CA" suffix in P4SMA13CAHM3/H denotes a bidirectional configuration - meaning the device provides symmetrical transient suppression in both polarities, with identical VBR, VC, and IPPM characteristics regardless of voltage polarity applied. This eliminates the need for polarity-aware placement and simplifies layout for differential or AC-coupled signal paths using the P4SMA13CAHM3/H.
How does the clamping voltage of P4SMA13CAHM3/H compare to its breakdown voltage?
The P4SMA13CAHM3/H clamps at 18.2 V when subjected to its rated 22.0 A peak pulse current (10/1000 µs), resulting in a clamping ratio (VC/VBR) of approximately 1.4. This low ratio - derived directly from the P4SMA13CAHM3/H's optimized junction design - ensures minimal overvoltage stress on protected ICs compared to alternatives with higher VC values at equivalent IPPM.
What is the maximum operating temperature for P4SMA13CAHM3/H?
The P4SMA13CAHM3/H has a maximum junction temperature (TJ) of +150 °C and an operating junction/storage temperature range of –65 °C to +150 °C. This wide thermal envelope supports deployment in under-hood automotive locations, industrial motor controls, and outdoor telecom equipment where ambient temperatures exceed 100 °C - all within the validated operating limits of the P4SMA13CAHM3/H.
P4SMA13CAHM3/H 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/H FAQ
1.How can I place an order for P4SMA13CAHM3/H through Aetrix?
Please submit a Request for Quotation (RFQ) for P4SMA13CAHM3/H 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/H reliable?
The price and inventory of P4SMA13CAHM3/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4SMA13CAHM3/H is usually 5 days.
3.What payment methods are accepted for P4SMA13CAHM3/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4SMA13CAHM3/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4SMA13CAHM3/H?
P4SMA13CAHM3/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4SMA13CAHM3/H 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/H?
For technical support, including P4SMA13CAHM3/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4SMA13CAHM3/H requirements.
6.How does Aetrix verify that P4SMA13CAHM3/H is sourced from the original manufacturer or authorized distributors?
All P4SMA13CAHM3/H 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/H meets industry standards.
7.What is the process for return or replacement of P4SMA13CAHM3/H?
All P4SMA13CAHM3/H units undergo pre-shipment inspection (PSI). If there is an issue with P4SMA13CAHM3/H, 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/H part is unused and in its original packaging.
Return procedure for P4SMA13CAHM3/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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