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Vishay General Semiconductor - Diodes Division P6SMB10A-E3/52
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- Part No.:
- P6SMB10A-E3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB10A-E3/52.pdf
- Description:
- TVS DIODE 8.55VWM 14.5VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:1,810
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Product details
Overview
P6SMB10A-E3/52 from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, rated for 600 W peak pulse power (10/1000 μs), 14.5 V maximum clamping voltage at 41.4 A peak pulse current, and 8.55 V stand-off voltage - deployed for overvoltage protection of MOSFETs, ICs, and sensor signal lines in industrial power supplies and automotive control modules.
For engineers reviewing the P6SMB10A-E3/52 datasheet, P6SMB10A-E3/52 pinout, P6SMB10A-E3/52 application, or P6SMB10A-E3/52 equivalent, key selection criteria include clamping voltage margin relative to protected circuit's absolute maximum rating, thermal resistance (RθJA = 100 °C/W), unidirectional polarity marking (cathode band), and RoHS-compliant matte tin plating per J-STD-002.
Technical Context
This TVS diode operates as a voltage-clamped shunt protector: under normal conditions it presents high impedance (>10 μA leakage at 8.55 V), then rapidly avalanches below 10.5 V breakdown (VBR min/max = 9.50–10.5 V at 1 mA) to divert transient energy away from downstream components. Its glass-passivated junction ensures stable avalanche characteristics and low incremental surge resistance.
Designed for automated SMT placement on PCBs with 0.2" × 0.2" copper pads per terminal, the device meets MSL Level 1 (peak reflow 260 °C) and supports repetitive transients at 0.01% duty cycle. It is not intended for continuous forward conduction - forward voltage is not specified, and IFSM (100 A, 8.3 ms) applies only to unidirectional surge events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 8.55 V - maximum reverse voltage before significant leakage; sets upper limit for safe continuous operation |
| VBR (Breakdown) | 9.50–10.5 V at 1 mA - guaranteed avalanche initiation range; defines minimum clamping threshold |
| VC (Clamping) | 14.5 V at 41.4 A (10/1000 μs) - peak voltage seen by protected circuit during worst-case transient |
| PPPM | 600 W - peak pulse power handling capability; determines survivability against lightning or inductive switch-off surges |
| RθJA | 100 °C/W - junction-to-ambient thermal resistance; dictates derating above 25 °C ambient for sustained reliability |
| ID (Leakage) | 10 μA max at VWM - ensures minimal standby power loss and signal integrity in high-impedance circuits |
| TJ max | +150 °C - maximum junction temperature; enables operation in under-hood automotive or enclosed industrial enclosures |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile case with matte tin-plated leads solderable per J-STD-002. Cathode identified by a single band at one end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point during reverse-biased clamping | Connected to protected line (e.g., VIN, signal trace); carries full transient current during avalanche |
| Cathode | Current exit point during reverse-biased clamping | Connected to ground or lower-potential reference; must be routed with low-inductance path to handle fast di/dt |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Enables robust protection against IEC 61000-4-5 Level 4 surges (4 kV line-earth) without derating on standard PCB pads |
| Low clamping ratio (VC/VBR ≈ 1.45) | Minimizes voltage overshoot across protected ICs - critical for 3.3 V or 5 V logic interfaces |
| Glass passivated junction | Ensures stable, repeatable avalanche behavior over 1000+ transient events and extended temperature cycling |
| MSL Level 1 moisture sensitivity | Allows direct placement without baking; compatible with standard lead-free reflow profiles up to 260 °C peak |
| RoHS-compliant, halogen-free option available | Meets IPC-1752A material declaration requirements for automotive and industrial OEM supply chains |
Applications
| Automotive Body Control Module | Industrial PLC Digital Input |
|---|---|
Use Scenario: Protecting microcontroller GPIO pins and CAN transceiver power rails from load-dump and jump-start transients. IC Role / Device Role / Timing Role: Unidirectional shunt clamp placed between 12 V supply rail and chassis ground. Use Value: Clamps 12 V system surges to ≤14.5 V, preventing latch-up or gate oxide damage in 3.3 V MCU peripherals. |
Use Scenario: Safeguarding 24 V DC digital input circuits from inductive kickback when solenoids or relays de-energize. IC Role / Device Role / Timing Role: Standoff-rated TVS connected across optocoupler input terminals. Use Value: Limits transient voltage to 14.5 V while maintaining <10 μA leakage at 24 V nominal - no false triggering. |
| Consumer Power Adapter EMI Filter | Telecom Base Station Sensor Interface |
Use Scenario: Secondary-side overvoltage suppression on 5 V/9 V USB-C PD output rails exposed to hot-plug events. IC Role / Device Role / Timing Role: Fast-response TVS placed after secondary-side rectifier and before DC-DC post-regulator. Use Value: Responds in <1 ps to clamp 100 V spikes to 14.5 V, preserving LDO input rating and preventing output overvoltage. |
Use Scenario: Shielding RS-485 transceiver data lines from ESD and lightning-induced surges in outdoor telecom cabinets. IC Role / Device Role / Timing Role: Unidirectional TVS on each differential line (A/B) referenced to local ground plane. Use Value: Maintains 14.5 V clamping with <10 μA leakage at 3.3 V common-mode bias - preserves signal integrity and failsafe biasing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ10A | Same SMB package, 10 V VWM, but lower PPPM = 400 W and higher VC = 16.7 V at 24.7 A | Less margin for high-energy transients; suitable only where peak currents remain <25 A | Select SMAJ10A only if system-level surge testing confirms 400 W sufficiency and layout minimizes trace inductance |
| 1.5SMC10A | Larger SMC (DO-214AB) package, identical VWM/VBR/VC, but PPPM = 1500 W and RθJA = 40 °C/W | Requires larger PCB footprint but delivers 2.5× pulse power and better thermal performance | Choose 1.5SMC10A when protecting high-current paths (e.g., motor drivers) or operating above 70 °C ambient |
Compared with SMAJ10A, P6SMB10A-E3/52 provides 50% higher pulse power headroom and tighter clamping; versus 1.5SMC10A, it trades 60% smaller board area for reduced thermal margin - ideal for space-constrained industrial sensors and automotive ECUs.
Availability
P6SMB10A-E3/52 is available at Aetrix Electronics and suitable for industrial PLCs, automotive body controllers, and telecom sensor interfaces requiring stable component supply with RoHS compliance and MSL Level 1 reflow compatibility.
Supply support for P6SMB10A-E3/52 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 high-reliability diodes, MOSFETs, and passive components for automotive, industrial, and computing markets.
The P6SMB Series targets cost-sensitive, high-volume transient protection needs in surface-mount power and signal lines - engineered for automated assembly, thermal robustness, and consistent clamping performance across temperature and life cycle.
FAQ
What is the maximum clamping voltage of the P6SMB10A-E3/52 under a 10/1000 μs transient?
The P6SMB10A-E3/52 has a maximum clamping voltage (VC) of 14.5 V when subjected to its rated peak pulse current of 41.4 A with a 10/1000 μs waveform. This value is measured per Figure 1 in Vishay document 88370 and represents the highest voltage the protected circuit will experience during such a transient event. The P6SMB10A-E3/52 maintains this clamping performance across its operational junction temperature range of -65 °C to +150 °C.
Is the P6SMB10A-E3/52 suitable for bidirectional signal line protection?
No, the P6SMB10A-E3/52 is a unidirectional TVS diode, indicated by the "A" suffix and cathode band marking. For bidirectional protection (e.g., AC lines or differential buses), the P6SMB10CA variant must be used. Using the unidirectional P6SMB10A-E3/52 on bidirectional signals risks forward conduction during negative half-cycles, potentially causing malfunction or damage. Always verify polarity alignment before integrating the P6SMB10A-E3/52 into the design.
Does the P6SMB10A-E3/52 meet AEC-Q101 qualification?
The base P6SMB10A-E3/52 is commercial-grade and RoHS-compliant but not AEC-Q101 qualified. Vishay offers AEC-Q101 variants under ordering codes like P6SMB10AHE3_B/H (with "HE3" and "_B" suffixes). These automotive-grade versions undergo additional stress testing including temperature cycling, humidity bias, and mechanical shock - critical for under-hood or safety-related applications. Confirm the full part number matches your qualification requirement before design-in.
What is the thermal resistance of the P6SMB10A-E3/52, and how does it affect layout?
The P6SMB10A-E3/52 has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. This means each watt of dissipated power raises the junction temperature by 100 °C above ambient. To maintain reliability during repetitive transients, minimize pad thermal resistance via internal ground planes and avoid narrow traces. Derating curves in Figure 2 of document 88370 must be applied above 25 °C ambient - the P6SMB10A-E3/52's safe operating area shrinks significantly at elevated temperatures.
How does the P6SMB10A-E3/52 compare to older P6KE10A through-hole TVS diodes?
The P6SMB10A-E3/52 replaces through-hole P6KE10A with identical electrical ratings (VWM = 8.55 V, VC = 14.5 V) but in a compact SMB (DO-214AA) surface-mount package - reducing PCB area by >60% and enabling full automation. Unlike P6KE10A, the P6SMB10A-E3/52 meets MSL Level 1 and supports lead-free reflow up to 260 °C. Its glass-passivated junction also improves long-term stability over epoxy-passivated P6KE devices, especially in humid or thermally cycled environments.
P6SMB10A-E3/52 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 8.55V
- Voltage - Breakdown (Min):
- 9.5V
- Voltage - Clamping (Max) @ Ipp:
- 14.5V
- Current - Peak Pulse (10/1000µs):
- 41.4A
- 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)
P6SMB10A-E3/52 FAQ
1.How can I place an order for P6SMB10A-E3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB10A-E3/52 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 P6SMB10A-E3/52 reliable?
The price and inventory of P6SMB10A-E3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB10A-E3/52 is usually 5 days.
3.What payment methods are accepted for P6SMB10A-E3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB10A-E3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB10A-E3/52?
P6SMB10A-E3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB10A-E3/52 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 P6SMB10A-E3/52?
For technical support, including P6SMB10A-E3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB10A-E3/52 requirements.
6.How does Aetrix verify that P6SMB10A-E3/52 is sourced from the original manufacturer or authorized distributors?
All P6SMB10A-E3/52 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 P6SMB10A-E3/52 meets industry standards.
7.What is the process for return or replacement of P6SMB10A-E3/52?
All P6SMB10A-E3/52 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB10A-E3/52, 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 P6SMB10A-E3/52 part is unused and in its original packaging.
Return procedure for P6SMB10A-E3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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