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Vishay General Semiconductor - Diodes Division P6SMB16CA-M3/5B
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- Part No.:
- P6SMB16CA-M3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB16CA-M3/5B.pdf
- Description:
- TVS DIODE 13.6VWM 22.5VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:3,917
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Product details
Overview
P6SMB16CA-M3/5B 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 and power lines. It features a 16 V standoff voltage (VWM), 22.5 V maximum clamping voltage (VC) 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 P6SMB16CA-M3/5B datasheet, P6SMB16CA-M3/5B pinout, P6SMB16CA-M3/5B application, or P6SMB16CA-M3/5B equivalent, this device delivers verified bidirectional surge suppression with halogen-free RoHS compliance, MSL Level 1 rating, and AEC-Q101 qualification availability - critical for ESD and lightning-induced transient protection in high-reliability embedded systems.
Technical Context
The P6SMB16CA-M3/5B operates as a bidirectional avalanche diode, symmetrically clamping both positive and negative transients without polarity dependence. Its glass-passivated junction ensures stable breakdown behavior, low incremental surge resistance, and fast response time (<1 ns), enabling effective suppression of inductive switching spikes and ESD events.
Thermal performance is defined by RθJA = 100 °C/W and RθJL = 20 °C/W, with a maximum junction temperature of +150 °C. It is rated for repetitive 0.01% duty cycle pulses and derates linearly above TA = 25 °C per Figure 2 in the datasheet.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 13.6 V - Maximum continuous reverse voltage before clamping begins; defines safe operating margin below circuit rail voltage. |
| VBR (Breakdown Voltage) | 15.2–16.8 V at IT = 1.0 mA - Confirmed avalanche onset range; ensures predictable turn-on during overvoltage events. |
| VC (Clamping Voltage) | 22.5 V at IPPM = 26.7 A - Peak voltage seen by protected circuit under 600 W transient; determines downstream component stress. |
| PPPM (Peak Pulse Power) | 600 W with 10/1000 μs waveform - Sustains high-energy surges typical of inductive load switching and lightning-induced transients. |
| IPPM (Peak Pulse Current) | 26.7 A - Maximum non-repetitive surge current the device can safely divert without degradation. |
| TJ max. | +150 °C - Enables operation in under-hood automotive and industrial environments with elevated ambient temperatures. |
| Package | SMB (DO-214AA) - Surface-mount footprint compatible with automated placement; 0.220" × 0.130" body with matte tin-plated leads. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bidirectional configuration with no polarity marking. Case conforms to JEDEC DO-214AA outline; terminals are matte tin plated and solderable per J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Bidirectional terminal pair | No functional distinction - either terminal serves as anode or cathode depending on transient polarity; enables single-device protection of AC or differential lines. |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Supports robust protection against IEC 61000-4-5 Level 3/4 surges and ISO 7637-2 pulse 1/2a/5a in automotive ECUs. |
| Low clamping ratio (VC/VBR ≈ 1.41) | Minimizes voltage overshoot during clamping - critical for safeguarding 3.3 V and 5 V logic interfaces without over-stressing downstream ICs. |
| Halogen-free, RoHS-compliant (M3 suffix) | Meets environmental compliance requirements for industrial and automotive supply chains without compromising surge performance. |
| MSL Level 1, 260 °C reflow capable | Eliminates moisture sensitivity concerns and supports standard lead-free PCB assembly processes without pre-baking. |
| AEC-Q101 qualified version available (_B suffix) | Validated for automotive-grade reliability including HTOL, temperature cycling, and ESD testing - essential for ADAS and body control modules. |
Applications
| Automotive Sensor Interface Protection | Industrial PLC I/O Module Protection |
|---|---|
Use Scenario: Protecting CAN, LIN, or analog sensor inputs (e.g., pressure, temperature) from load dump and inductive kickback in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed at connector entry point to shunt transients before reaching signal conditioning amplifiers or microcontroller ADC inputs. Use Value: Prevents latch-up or permanent damage to 12-bit SAR ADCs and low-voltage op-amps by limiting input voltage to ≤22.5 V during 100 V/500 ms load dump events. |
Use Scenario: Safeguarding 24 V digital input channels in programmable logic controllers exposed to relay coil flyback and field wiring surges. IC Role / Device Role / Timing Role: Primary transient suppressor on dry-contact input traces, placed upstream of optocoupler or Schmitt-trigger input stage. Use Value: Maintains signal integrity during 1 kV/500 A surge events per IEC 61000-4-5, ensuring uninterrupted state detection without false triggering. |
| Telecom Line Card Surge Protection | Consumer Appliance Motor Drive Protection |
Use Scenario: Shielding Ethernet PHY or RS-485 transceivers on telecom line cards from lightning-induced common-mode surges on twisted-pair cabling. IC Role / Device Role / Timing Role: Paired bidirectional TVS across differential pairs (e.g., A/B lines) to clamp mode-common and mode-differential transients simultaneously. Use Value: Limits differential voltage excursion to <25 V, preserving transceiver eye diagram integrity and preventing receiver saturation during 6 kV contact ESD events. |
Use Scenario: Suppressing back-EMF spikes from brushed DC motors in smart home appliances (e.g., vacuum cleaners, washing machines). IC Role / Device Role / Timing Role: Mounted across motor terminals to absorb energy from commutation arcs and prevent radiated emissions coupling into MCU clock domains. Use Value: Reduces conducted EMI by >15 dB in 30–100 MHz band and prevents reset faults in ARM Cortex-M0+ controllers caused by supply rail sag. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ16CA-T3 | Same VWM (13.6 V), identical SMB package, but lower PPPM = 600 W (same rating), slightly higher VC = 24.4 V at 24.5 A. | Marginally reduced clamping performance; suitable where layout allows minor VC increase. | Select when sourcing from ON Semiconductor distribution channels or where dual-sourcing across Vishay/ON is required. |
| 1.5KE16CA | Through-hole DO-15 package, same VWM/VC, but higher PPPM = 1500 W and larger footprint; not surface-mount compatible. | Used in legacy designs or high-energy applications where PCB space permits axial-leaded devices. | Choose only for through-hole prototyping or repair of older equipment - not a drop-in replacement for P6SMB16CA-M3/5B. |
Compared with SMBJ16CA-T3, P6SMB16CA-M3/5B offers tighter VC tolerance and halogen-free compliance; versus 1.5KE16CA, it enables miniaturized SMT layouts but trades off absolute surge energy handling - making it optimal for space-constrained, high-volume industrial and automotive PCBs.
Availability
P6SMB16CA-M3/5B is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O protection, and telecom line card surge suppression requiring stable component supply, halogen-free compliance, and AEC-Q101 qualification readiness.
Supply support for P6SMB16CA-M3/5B 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, thermal performance, and application-specific validation.
The P6SMB Series targets cost-sensitive, high-volume transient protection needs in automotive, industrial, and consumer electronics - engineered for automated assembly, high surge robustness, and consistent clamping behavior across temperature and lifetime.
FAQ
What is the clamping voltage of the P6SMB16CA-M3/5B under maximum rated surge current?
The P6SMB16CA-M3/5B has a maximum clamping voltage (VC) of 22.5 V at 26.7 A peak pulse current (IPPM) with a 10/1000 μs waveform. This value is measured per standard test conditions in the Vishay datasheet (Document Number: 88370) and defines the upper voltage limit imposed on protected circuits during worst-case transients. The P6SMB16CA-M3/5B maintains this clamping performance across its full operating temperature range.
Is the P6SMB16CA-M3/5B suitable for automotive applications?
Yes - while the base P6SMB16CA-M3/5B is commercial-grade, the AEC-Q101 qualified variant (P6SMB16CAHM3_B/5B) is available and validated for automotive use. It passes HTOL, temperature cycling, and ESD tests per AEC-Q101 Rev D. The P6SMB16CA-M3/5B itself shares identical electrical specs and SMB packaging, making it suitable for non-safety-critical automotive subsystems where qualification is not mandated.
What does the "CA" suffix indicate in P6SMB16CA-M3/5B?
The "CA" suffix denotes a bidirectional configuration - meaning the P6SMB16CA-M3/5B functions identically for both positive and negative voltage transients, with symmetrical breakdown and clamping characteristics. This eliminates the need for polarity-aware layout and simplifies protection of AC-coupled or differential signal paths, unlike unidirectional "A" variants which require correct cathode orientation.
How does the M3 suffix affect the P6SMB16CA-M3/5B's compliance status?
"M3" indicates halogen-free, RoHS-compliant construction with matte tin-plated leads meeting JESD 201 Class 2 whisker resistance. It replaces brominated flame retardants in the molding compound while maintaining UL 94 V-0 flammability rating. This makes the P6SMB16CA-M3/5B acceptable for environmentally regulated markets including EU, China RoHS, and major OEM green initiatives - without sacrificing surge performance.
Can the P6SMB16CA-M3/5B be used in parallel for higher surge current handling?
No - paralleling P6SMB16CA-M3/5B devices is not recommended due to mismatch in dynamic impedance and avalanche turn-on characteristics, which causes uneven current sharing and potential thermal runaway. For higher surge ratings, select a single higher-power device (e.g., 1.5SMC16CA) or verify matched-bin devices with characterization data. The P6SMB16CA-M3/5B is designed for individual-channel protection in compact layouts.
P6SMB16CA-M3/5B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB, TransZorb®
- Packaging:
- Tape & Box (TB)
- Product Status:
- Active
- 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:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBJ)
P6SMB16CA-M3/5B FAQ
1.How can I place an order for P6SMB16CA-M3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB16CA-M3/5B 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 P6SMB16CA-M3/5B reliable?
The price and inventory of P6SMB16CA-M3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB16CA-M3/5B is usually 5 days.
3.What payment methods are accepted for P6SMB16CA-M3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB16CA-M3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB16CA-M3/5B?
P6SMB16CA-M3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB16CA-M3/5B 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 P6SMB16CA-M3/5B?
For technical support, including P6SMB16CA-M3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB16CA-M3/5B requirements.
6.How does Aetrix verify that P6SMB16CA-M3/5B is sourced from the original manufacturer or authorized distributors?
All P6SMB16CA-M3/5B 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 P6SMB16CA-M3/5B meets industry standards.
7.What is the process for return or replacement of P6SMB16CA-M3/5B?
All P6SMB16CA-M3/5B units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB16CA-M3/5B, 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 P6SMB16CA-M3/5B part is unused and in its original packaging.
Return procedure for P6SMB16CA-M3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB16CA-M3/5B Tags
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