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Vishay General Semiconductor - Diodes Division P6SMB16CA-E3/5B
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- Part No.:
- P6SMB16CA-E3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB16CA-E3/5B.pdf
- Description:
- TVS DIODE 13.6VWM 22.5VC DO214AA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
P6SMB16CA-E3/5B from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in 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 (VC) at 26.7 A peak pulse current (IPPM), and 600 W peak pulse power (PPPM) with 10/1000 μs waveform - used to protect MOSFETs, ICs, and sensor signal lines in industrial and automotive electronics.
For engineers reviewing the P6SMB16CA-E3/5B datasheet, P6SMB16CA-E3/5B pinout, P6SMB16CA-E3/5B application, or P6SMB16CA-E3/5B equivalent, key selection criteria include bidirectional clamping capability, 22.5 V clamping voltage under 26.7 A surge, RoHS-compliant matte tin terminals, MSL Level 1 rating, and compatibility with automated SMT placement on 5.0 mm × 5.0 mm copper pads.
Technical Context
This bidirectional TVS operates symmetrically in both polarities, delivering consistent clamping performance without polarity dependency. Its glass-passivated junction ensures stable breakdown behavior and low incremental surge resistance, while the SMB package supports high thermal dissipation (RθJL = 20 °C/W) and meets UL 94 V-0 flammability requirements.
The device sustains repetitive 10/1000 μs transients at 0.01 % duty cycle and derates linearly above 25 °C ambient per Fig. 2. With a maximum junction temperature of +150 °C and storage range from –65 °C to +150 °C, it supports operation in harsh environments including under-hood automotive and industrial control systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 13.6 V - Maximum continuous reverse voltage before significant leakage; defines safe operating margin below clamping threshold |
| VBR (Breakdown Voltage) | 15.2–16.8 V at 1.0 mA - Voltage at which device enters avalanche conduction; tight tolerance enables predictable turn-on |
| VC (Clamping Voltage) | 22.5 V at IPPM = 26.7 A - Peak voltage seen by protected circuit during 10/1000 μs transient; directly limits stress on downstream components |
| PPPM (Peak Pulse Power) | 600 W - Surge energy handling capacity with standard 10/1000 μs waveform; validates robustness against IEC 61000-4-5 level 4 surges |
| ID (Reverse Leakage) | 1.0 μA max at VWM - Ultra-low leakage preserves signal integrity and minimizes standby power loss in high-impedance circuits |
| TJ max | +150 °C - Enables reliable operation in elevated ambient environments such as motor drives and power supplies |
| Package | SMB (DO-214AA) - Standardized SMT outline with 5.59 mm × 4.06 mm footprint; compatible with JEDEC J-STD-020 MSL Level 1 reflow profiles |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bidirectional configuration with no polarity marking. Cathode/anode terminals are symmetrical; device functions identically regardless of orientation in circuit.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current entry (positive half-cycle) | Conducts surge current into junction during positive voltage excursion; forms one side of symmetrical avalanche path |
| Cathode | Transient current entry (negative half-cycle) | Conducts surge current into junction during negative voltage excursion; completes bidirectional clamping path with anode |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines without polarity constraints |
| 600 W peak pulse power | Withstands IEC 61000-4-5 combination wave surges up to 4 kV (open-circuit)/2 kA (short-circuit) when properly mounted |
| Low clamping ratio (VC/VBR ≈ 1.38) | Minimizes overvoltage exposure to protected ICs - critical for 3.3 V or 5 V logic interfaces |
| MSL Level 1, 260 °C peak reflow | Supports lead-free assembly without pre-baking; eliminates moisture-related popcorning risk |
| RoHS-compliant matte tin plating | Ensures solderability per J-STD-002 and whisker resistance per JESD 201 Class 2 |
Applications
| Industrial Motor Control | Automotive Sensor Interface |
|---|---|
Use Scenario: Protection of gate drivers and feedback signal lines against inductive kickback from 24 V DC solenoids and relay coils. IC Role / Device Role / Timing Role: Bidirectional TVS placed across driver output or analog sensor input to clamp transients before they reach precision amplifiers or microcontroller ADC inputs. Use Value: Limits voltage excursions to ≤22.5 V during 26.7 A surges, preventing latch-up or permanent damage to 3.3 V/5 V interface ICs. |
Use Scenario: ESD and load-dump suppression on LIN bus or analog pressure/temperature sensor lines in engine control modules. IC Role / Device Role / Timing Role: Standoff voltage (13.6 V) sits safely below 12 V nominal battery rail but above signal swing; clamps 10/1000 μs load dump spikes to non-destructive levels. Use Value: Survives AEC-Q101-qualified stress tests (when HE3/HM3 variant used); maintains signal fidelity with <1 μA leakage at 13.6 V. |
| Telecom Line Interface | Consumer USB Port Protection |
Use Scenario: Secondary protection on Ethernet PHY differential pairs or RS-485 transceiver I/O pins exposed to lightning-induced surges. IC Role / Device Role / Timing Role: Fast-response (sub-nanosecond) avalanche junction diverts surge energy away from sensitive transceivers while maintaining signal integrity up to 10 Mbps. Use Value: Clamping voltage (22.5 V) stays well below RS-485 common-mode range (–7 V to +12 V), ensuring no false triggering or data corruption. |
Use Scenario: Overvoltage protection on USB 2.0 D+/D– lines against ESD events and hot-plug transients in portable devices. IC Role / Device Role / Timing Role: Low capacitance (<100 pF typical at 0 V) avoids signal rise/fall time degradation; bidirectional symmetry matches differential signaling. Use Value: Meets IEC 61000-4-2 ±15 kV contact discharge requirement while adding <0.5 pF parasitic capacitance per line. |
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), identical SMB package, but lower PPPM (400 W) and higher VC (26.5 V at 21.5 A) | Limited to lower-energy transients; not suitable for IEC 61000-4-5 level 4 compliance | Select when cost sensitivity outweighs peak surge margin and clamping voltage headroom is acceptable |
| 1.5SMC16CA | Higher power rating (1500 W), larger SMC (DO-214AB) package, same VWM/VC specs, but requires 2.5× PCB area | Used where higher surge repetition or longer duration pulses occur; incompatible with dense layouts | Choose only when 600 W is insufficient and board space allows SMC footprint |
Compared with SMAJ16CA and 1.5SMC16CA, P6SMB16CA-E3/5B delivers optimal balance of 600 W surge capability, 22.5 V clamping, and compact SMB footprint - making it preferred for space-constrained industrial and automotive PCBs requiring certified transient immunity without layout redesign.
Availability
P6SMB16CA-E3/5B is available at Aetrix Electronics and suitable for industrial motor control, automotive sensor interface, and telecom line protection requiring stable component supply, RoHS-compliant sourcing, and MSL Level 1 reflow compatibility.
Supply support for P6SMB16CA-E3/5B 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, and protection devices with emphasis on reliability, power efficiency, and automotive qualification.
The P6SMB Series targets high-reliability transient suppression in space-constrained applications, combining 600 W surge capability with industry-standard SMB packaging and AEC-Q101 qualification options for automotive use.
FAQ
What is the clamping voltage of P6SMB16CA-E3/5B at its rated peak pulse current?
The P6SMB16CA-E3/5B has a maximum clamping voltage (VC) of 22.5 V at 26.7 A peak pulse current (IPPM) under 10/1000 μs waveform conditions. This value is measured per Figure 1 in the Vishay datasheet 88370 and defines the upper voltage limit imposed on protected circuitry during standardized surge events. The P6SMB16CA-E3/5B maintains this clamping performance bidirectionally due to its symmetrical junction structure.
Is P6SMB16CA-E3/5B suitable for automotive applications?
P6SMB16CA-E3/5B is RoHS-compliant and qualified to MSL Level 1, but it is not AEC-Q101 certified in the E3/5B suffix configuration. For automotive use, Vishay offers the P6SMB16CAHE3_B variant (with "HE3" and revision "B") which carries full AEC-Q101 qualification. Engineers must specify the HE3_B or HM3_B suffix explicitly when automotive-grade reliability is required; the P6SMB16CA-E3/5B remains appropriate for industrial and consumer applications.
How does the bidirectional design of P6SMB16CA-E3/5B affect circuit layout?
The bidirectional design of P6SMB16CA-E3/5B eliminates polarity marking and allows placement in either orientation across protected lines - simplifying layout and reducing BOM complexity for AC-coupled or floating signals. Unlike unidirectional TVS diodes, the P6SMB16CA-E3/5B requires no cathode alignment check during placement, and its symmetrical terminal roles mean no net current directionality affects clamping behavior. This makes the P6SMB16CA-E3/5B ideal for differential buses like RS-485 or LIN.
What is the thermal resistance from junction to lead (RθJL) for P6SMB16CA-E3/5B?
The P6SMB16CA-E3/5B has a typical thermal resistance from junction to lead (RθJL) of 20 °C/W, as specified in the Thermal Characteristics table of Vishay document 88370. This parameter reflects efficient heat transfer from the silicon die to the PCB copper via the SMB package leads, supporting sustained power dissipation when mounted on recommended 5.0 mm × 5.0 mm copper pads. RθJL is independent of ambient conditions and critical for estimating junction temperature rise during repetitive surge events.
Does P6SMB16CA-E3/5B meet lead-free reflow requirements?
Yes, P6SMB16CA-E3/5B uses matte tin-plated leads compliant with J-STD-002 and qualified for lead-free reflow up to 260 °C peak temperature (MSL Level 1 per J-STD-020). The "E3" suffix explicitly denotes RoHS-compliant, commercial-grade construction with whisker-resistant plating per JESD 201 Class 2. This ensures compatibility with standard Pb-free SAC305 solder profiles without pre-baking or special handling - a key advantage of the P6SMB16CA-E3/5B in high-volume SMT manufacturing.
P6SMB16CA-E3/5B 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:
- 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-E3/5B FAQ
1.How can I place an order for P6SMB16CA-E3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB16CA-E3/5B 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-E3/5B reliable?
The price and inventory of P6SMB16CA-E3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB16CA-E3/5B is usually 5 days.
3.What payment methods are accepted for P6SMB16CA-E3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB16CA-E3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB16CA-E3/5B?
P6SMB16CA-E3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB16CA-E3/5B 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-E3/5B?
For technical support, including P6SMB16CA-E3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB16CA-E3/5B requirements.
6.How does Aetrix verify that P6SMB16CA-E3/5B is sourced from the original manufacturer or authorized distributors?
All P6SMB16CA-E3/5B 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-E3/5B meets industry standards.
7.What is the process for return or replacement of P6SMB16CA-E3/5B?
All P6SMB16CA-E3/5B units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB16CA-E3/5B, 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-E3/5B part is unused and in its original packaging.
Return procedure for P6SMB16CA-E3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB16CA-E3/5B Tags
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