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Vishay General Semiconductor - Diodes Division P6SMB16CAHM3/I
- Part No.:
- P6SMB16CAHM3/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB16CAHM3/I.pdf
- Description:
- TVS DIODE 13.6VWM 22.5VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:2,170
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Product details
Overview
P6SMB16CAHM3/I from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the SMB (DO-214AA) package, designed for clamping voltage transients on signal or power lines. It features a 16 V standoff voltage (VWM), 17.1 V minimum breakdown voltage (VBR), 22.5 V maximum clamping voltage at 26.7 A peak pulse current, and 600 W peak pulse power capability with a 10/1000 μs waveform - used to protect MOSFETs, ICs, and sensor interfaces in industrial and automotive electronics.
For engineers reviewing the P6SMB16CAHM3/I datasheet, P6SMB16CAHM3/I pinout, P6SMB16CAHM3/I application, or P6SMB16CAHM3/I equivalent, this device is selected for robust ESD and surge protection where bidirectional clamping, low clamping ratio, and AEC-Q101 qualification are required in space-constrained PCB layouts.
Technical Context
The P6SMB16CAHM3/I operates as a bidirectional avalanche diode, symmetrically clamping both positive and negative transients without polarity dependence. Its glass-passivated junction ensures stable breakdown behavior and low leakage (<1.0 μA at 13.6 V), while its MSL Level 1 rating supports lead-free reflow up to 260 °C.
Thermally, it exhibits RθJA = 100 °C/W and RθJL = 20 °C/W, enabling reliable operation up to TJ = +150 °C. The device is halogen-free, RoHS-compliant, and qualified to AEC-Q101 for automotive-grade reliability under repetitive surge stress.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 13.6 V - Maximum continuous reverse voltage before clamping begins; defines safe operating margin below breakdown. |
| VBR (Breakdown) | 15.2–16.8 V at 1.0 mA - Confirmed avalanche onset range; ensures predictable turn-on during transients. |
| VC (Clamping) | 22.5 V at IPPM = 26.7 A - Peak voltage seen by protected circuit during 600 W transient; enables safe margin for 15 V logic rails. |
| PPPM | 600 W - Sustains 10/1000 μs surges per IEC 61000-4-5; suitable for lightning-induced and inductive-switching threats. |
| IPPM | 26.7 A - Peak surge current capability; determines minimum series impedance needed for effective clamping. |
| TJ max. | +150 °C - Junction temperature limit; supports operation in under-hood automotive and high-ambient industrial environments. |
| Package | SMB (DO-214AA) - 3.94 mm × 2.20 mm footprint; compatible with automated SMT placement and standard 0.2" × 0.2" copper pads. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bidirectional configuration with no polarity marking. Cathode/anode terminals are symmetrical; device functions identically in either orientation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Terminal 1) | Transient return path (bidirectional) | Connects to protected line; conducts during negative transients and serves as reference for positive clamping. |
| Cathode (Terminal 2) | Transient return path (bidirectional) | Connects to protected line; conducts during positive transients and serves as reference for negative clamping. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines without polarity concerns. |
| AEC-Q101 qualification | Validated for automotive applications including engine control units and ADAS sensor interfaces. |
| 600 W peak pulse power | Meets IEC 61000-4-5 Level 3/4 surge immunity requirements with minimal board area. |
| Halogen-free & RoHS-compliant | Supports environmental compliance for global OEM supply chains and end-of-life recycling. |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and standard Pb-free reflow without baking or special handling. |
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 ISO 7637-2 pulses in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed across differential or single-ended signal lines upstream of interface ICs. Use Value: Limits transient voltage to ≤22.5 V during 26.7 A surges, preserving signal integrity and preventing latch-up in 12 V automotive systems. |
Use Scenario: Safeguarding 24 V DC digital input modules in programmable logic controllers against field-wiring induced surges and relay contact bounce. IC Role / Device Role / Timing Role: Primary overvoltage clamp on input terminals, coordinated with series current-limiting resistors and optocouplers. Use Value: Absorbs 600 W transients without degradation, maintaining functional safety certification (IEC 61000-4-4/5) over product lifetime. |
| Consumer Power Adapter Output | Telecom Line Interface |
|
Use Scenario: Secondary-side surge suppression on 12–19 V DC outputs of wall adapters and USB-C PD power supplies. IC Role / Device Role / Timing Role: Final-stage transient suppressor downstream of DC-DC converters and LDOs. Use Value: Clamps output overshoot to 22.5 V during hot-plug or short-circuit recovery, protecting connected devices like notebooks and monitors. |
Use Scenario: Protecting Ethernet PHYs and DSL line drivers from lightning-induced common-mode surges on twisted-pair telecom lines. IC Role / Device Role / Timing Role: Common-mode TVS pair (two devices) across line pairs, referenced to chassis ground. Use Value: Withstands repeated 10/1000 μs surges up to 600 W, meeting GR-1089-CORE and ITU-T K.20/21 immunity standards. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ16CA | Same VWM (13.6 V) and VC (22.5 V), but lower PPPM = 400 W and larger SMA package (DO-214AC). | Less robust for high-energy surges; requires more PCB area; not AEC-Q101 qualified. | Select when cost is prioritized over automotive qualification and surge margin. |
| 1.5KE16CA | Through-hole TO-218 package; identical VWM/VC, but higher PPPM = 1500 W and slower response due to higher junction capacitance. | Not suitable for high-speed data lines; incompatible with SMT assembly; used in legacy power supply designs. | Select only for through-hole prototyping or repair of existing 1.5KE-based systems. |
Compared with SMAJ16CA and 1.5KE16CA, the P6SMB16CAHM3/I delivers optimal balance of AEC-Q101 reliability, compact SMB footprint, and full 600 W surge capacity - making it the preferred choice for new automotive and industrial SMT designs requiring validated long-term stability.
Availability
P6SMB16CAHM3/I is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, consumer power adapter outputs, and telecom line protection requiring stable component supply and traceable sourcing.
Supply support for P6SMB16CAHM3/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, MOSFETs, optoelectronics, and passive components with emphasis on reliability and application-specific performance.
The P6SMB Series is engineered for high-reliability transient suppression in automotive, industrial, and telecom systems - delivering consistent clamping behavior, AEC-Q101 validation, and optimized thermal performance in surface-mount form.
FAQ
What does the "CA" suffix indicate in P6SMB16CAHM3/I?
The "CA" suffix in P6SMB16CAHM3/I denotes a bidirectional configuration, meaning the device clamps voltage transients equally in both polarities. Unlike unidirectional variants (e.g., P6SMB16AHM3/I), it has no cathode marking and is used where AC signals, floating references, or dual-polarity threats require symmetric protection - confirmed in Vishay's P6SMB datasheet revision 09-Jan-2024, page 1.
Is P6SMB16CAHM3/I qualified for automotive use?
Yes, P6SMB16CAHM3/I is AEC-Q101 qualified, as indicated by the "HM3" suffix (halogen-free, RoHS-compliant, and AEC-Q101 qualified). This qualification covers stress tests including high-temperature operating life, temperature cycling, and surge endurance - specifically validated for under-hood and chassis-mounted applications per Vishay's ordering information table on page 3 of document 88370.
What is the clamping voltage of P6SMB16CAHM3/I at rated surge current?
The clamping voltage (VC) of P6SMB16CAHM3/I is 22.5 V at IPPM = 26.7 A, measured with a 10/1000 μs waveform. This value is specified in the Electrical Characteristics table on page 2 of the Vishay P6SMB datasheet (document 88370), ensuring protected circuits see no more than 22.5 V during worst-case 600 W transients - critical for safeguarding 15 V-rated ICs and interfaces.
How does the SMB package of P6SMB16CAHM3/I compare to SMA or SMC alternatives?
The SMB (DO-214AA) package of P6SMB16CAHM3/I measures 3.94 mm × 2.20 mm, smaller than SMA (DO-214AC) and significantly smaller than SMC (DO-214AB). Its compact size supports high-density layouts, while its 100 °C/W junction-to-ambient thermal resistance is optimized for standard 0.2" × 0.2" copper pads - unlike larger packages that require additional thermal relief or heatsinking per Vishay's thermal characteristics table on page 3.
What is the maximum operating junction temperature for P6SMB16CAHM3/I?
The maximum operating junction temperature (TJmax) for P6SMB16CAHM3/I is +150 °C, as stated in the Maximum Ratings table on page 1 of the Vishay P6SMB datasheet. This rating enables reliable operation in under-hood automotive environments and industrial enclosures where ambient temperatures exceed 105 °C - provided PCB layout follows Vishay's recommended 0.2" × 0.2" copper pad guidelines.
P6SMB16CAHM3/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 13.6V
- Voltage - Breakdown (Min):
- 15.2V
- Voltage - Clamping (Max) @ Ipp:
- 22.5V
- Current - Peak Pulse (10/1000µs):
- 26.7A
- Power - Peak Pulse:
- 600W
- 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-214AA (SMB)
P6SMB16CAHM3/I FAQ
1.How can I place an order for P6SMB16CAHM3/I through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB16CAHM3/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 P6SMB16CAHM3/I reliable?
The price and inventory of P6SMB16CAHM3/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB16CAHM3/I is usually 5 days.
3.What payment methods are accepted for P6SMB16CAHM3/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB16CAHM3/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB16CAHM3/I?
P6SMB16CAHM3/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB16CAHM3/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 P6SMB16CAHM3/I?
For technical support, including P6SMB16CAHM3/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB16CAHM3/I requirements.
6.How does Aetrix verify that P6SMB16CAHM3/I is sourced from the original manufacturer or authorized distributors?
All P6SMB16CAHM3/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 P6SMB16CAHM3/I meets industry standards.
7.What is the process for return or replacement of P6SMB16CAHM3/I?
All P6SMB16CAHM3/I units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB16CAHM3/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 P6SMB16CAHM3/I part is unused and in its original packaging.
Return procedure for P6SMB16CAHM3/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB16CAHM3/I Tags
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