My Inquiry
My Account
Vishay General Semiconductor - Diodes Division P6SMB12CA-E3/52
;;2.jpg)
- Part No.:
- P6SMB12CA-E3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB12CA-E3/52.pdf
- Description:
- TVS DIODE 10.2VWM 16.7VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:2,610
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
P6SMB12CA-E3/52 from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode designed for clamping voltage transients on signal and power lines. It features a 12 V standoff voltage (VWM), 16.7 V maximum clamping voltage at 35.9 A peak pulse current, and 600 W peak pulse power capability with a 10/1000 μs waveform. It is used to protect MOSFETs, ICs, and sensor signal lines in industrial and automotive electronics.
For engineers reviewing the P6SMB12CA-E3/52 datasheet, P6SMB12CA-E3/52 pinout, P6SMB12CA-E3/52 application, or P6SMB12CA-E3/52 equivalent, key selection criteria include bidirectional clamping performance, SMB (DO-214AA) package compatibility, AEC-Q101 qualification eligibility, and compliance with IEC 61000-4-2/4-4/4-5 surge immunity requirements.
Technical Context
This bidirectional TVS operates symmetrically across both polarities, delivering identical clamping behavior for positive and negative transients. Its glass-passivated junction ensures stable breakdown characteristics and low leakage (<5.0 μA at 10.2 V), while the low incremental surge resistance enables rapid energy diversion during ESD or lightning-induced surges.
The device is rated for 150 °C maximum junction temperature and exhibits a typical thermal resistance of 100 °C/W (junction-to-ambient) on standard 0.2" × 0.2" copper pads. Its response time is sub-nanosecond, and it meets J-STD-020 MSL Level 1 with a 260 °C reflow peak.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 10.2 V - Maximum continuous reverse working voltage before clamping initiates; defines safe operating margin below circuit rail voltage. |
| VBR (Breakdown Voltage) | 11.4–12.6 V at 1.0 mA - Voltage at which avalanche conduction begins; tightly controlled tolerance ensures predictable turn-on. |
| VC (Clamping Voltage) | 16.7 V at 35.9 A - Maximum voltage seen by protected circuit during 10/1000 μs surge; critical for ensuring downstream component survival. |
| PPPM | 600 W - Peak transient power handling capacity under standardized 10/1000 μs waveform; determines robustness against repetitive surges. |
| Package | SMB (DO-214AA) - Surface-mount package with 2.2 mm × 3.9 mm footprint; compatible with automated placement and reflow soldering. |
| Temperature Range | −65 °C to +150 °C - Full operational and storage range supports under-hood automotive and industrial environments. |
| Leakage Current | ≤5.0 μA at VWM - Minimal standby power loss and negligible loading on high-impedance signal lines. |
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 | Transient return path (bidirectional) | Provides low-impedance path to ground or reference rail for both positive and negative transients. |
| Cathode | Transient return path (bidirectional) | Functionally identical to Anode; symmetry enables mounting without orientation constraints. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines without polarity concerns. |
| 600 W peak pulse power (10/1000 μs) | Withstands high-energy surges common in industrial motor drives and automotive load-dump events. |
| Low clamping ratio (VC/VBR ≈ 1.4) | Minimizes overvoltage stress on protected ICs-critical for 3.3 V and 5 V logic interfaces. |
| MSL Level 1, 260 °C peak reflow | Supports lead-free assembly without preconditioning or special handling requirements. |
| AEC-Q101 qualification option | HE3/HM3 variants available for automotive applications requiring validated reliability and traceability. |
Applications
| Automotive Sensor Interface Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting CAN, LIN, or analog sensor signal lines (e.g., temperature, pressure) from ESD and load-switching transients in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional TVS clamping element placed directly at connector entry point before signal conditioning circuitry. Use Value: Limits transient voltage to ≤16.7 V, preventing latch-up or damage to 12 V-tolerant analog front-end amplifiers and microcontrollers. |
Use Scenario: Shielding digital input/output channels of programmable logic controllers from inductive kickback and field wiring surges. IC Role / Device Role / Timing Role: Primary overvoltage clamp on 24 V DC I/O lines, coordinated with series current-limiting resistors and filtering capacitors. Use Value: Absorbs up to 600 W surge energy without degradation, maintaining system uptime in factory automation environments. |
| Telecom Line Card Surge Protection | Consumer Power Adapter ESD Guarding |
Use Scenario: Safeguarding Ethernet PHY interface lines and auxiliary power rails on telecom line cards exposed to lightning-induced surges. IC Role / Device Role / Timing Role: Secondary-level transient suppressor downstream of gas discharge tubes or primary MOVs. Use Value: Provides fast-response, low-clamp backup protection with <1 ns response time and minimal capacitance impact on 100 Mbps signals. |
Use Scenario: Adding robust ESD immunity to USB-C, barrel jack, or auxiliary power inputs in consumer adapters and chargers. IC Role / Device Role / Timing Role: Final-stage clamping device placed adjacent to input connector to shunt human-body-model (HBM) and IEC 61000-4-2 discharges. Use Value: Ensures >30 kV contact ESD survivability per IEC 61000-4-2 while adding <0.5 mm² PCB area in SMB package. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ12CA | Same SMB package, but lower PPPM (400 W) and higher VC (20.1 V at 24.9 A); tighter VBR tolerance (5%). | Limited to lower-energy transients; less suitable for 24 V industrial systems with high inductive energy. | Select SMAJ12CA only when cost sensitivity outweighs peak power margin and clamping voltage headroom. |
| SMCJ12CA | Higher-power SMC package (1500 W PPPM), same VWM/VC specs; larger footprint (7.1 mm × 6.2 mm). | Used where sustained surge energy exceeds P6SMB12CA-E3/52 capability-e.g., main power rail protection. | Choose SMCJ12CA when protecting 24–48 V bus lines with frequent high-current switching events. |
Compared with SMAJ12CA and SMCJ12CA, P6SMB12CA-E3/52 delivers optimal balance of compact SMB footprint, 600 W surge rating, and 16.7 V clamping-making it ideal for space-constrained signal-line protection where moderate surge energy must be managed without board real estate penalty.
Availability
P6SMB12CA-E3/52 is available at Aetrix Electronics and suitable for industrial PLC I/O modules, automotive sensor interfaces, telecom line cards, and consumer power adapter designs requiring stable component supply and RoHS-compliant sourcing.
Supply support for P6SMB12CA-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 diodes, rectifiers, MOSFETs, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The P6SMB Series targets cost-sensitive, high-volume transient suppression needs in automotive, industrial, and communications equipment-designed for robust surge immunity in compact surface-mount form factors.
FAQ
What is the clamping voltage of P6SMB12CA-E3/52 at its rated peak pulse current?
The P6SMB12CA-E3/52 has a maximum clamping voltage (VC) of 16.7 V at 35.9 A peak pulse current (IPPM) under a 10/1000 μs waveform. This value is measured per JEDEC standards and guarantees the voltage imposed on protected circuitry remains within safe limits during surge events. The P6SMB12CA-E3/52 achieves this with low incremental resistance and fast avalanche response.
Is P6SMB12CA-E3/52 suitable for automotive applications?
P6SMB12CA-E3/52 itself is commercial-grade (RoHS-compliant, E3 suffix), but the P6SMB12CA-HE3 variant is AEC-Q101 qualified for automotive use. Engineers selecting P6SMB12CA-E3/52 for automotive prototypes should verify qualification status via ordering code and consult Vishay's automotive-grade documentation. The P6SMB12CA-E3/52 shares identical electrical specs and SMB packaging with qualified versions.
How does the bidirectional design of P6SMB12CA-E3/52 affect PCB layout?
The bidirectional nature of P6SMB12CA-E3/52 eliminates polarity marking and orientation constraints-both terminals are functionally identical. This simplifies PCB layout by removing the need for silkscreen polarity indicators or asymmetric pad design. The P6SMB12CA-E3/52 can be placed in either direction across differential or floating lines without functional impact.
What is the thermal resistance of P6SMB12CA-E3/52, and how does it impact derating?
P6SMB12CA-E3/52 has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on 0.2" × 0.2" copper pads. At ambient temperatures above 25 °C, its peak pulse power must be linearly derated per Figure 2 in the datasheet-e.g., at 75 °C TA, usable PPPM drops to ~400 W. This derating directly affects sustained surge duty cycle planning in the P6SMB12CA-E3/52 application.
Does P6SMB12CA-E3/52 meet industry surge immunity standards?
Yes-P6SMB12CA-E3/52 is engineered to support compliance with IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (surge) when applied per recommended layout guidelines. Its 600 W PPPM and 16.7 V clamping enable robust protection against ±20 kV contact ESD and 1 kV/2 kV line-to-ground surges. System-level validation of P6SMB12CA-E3/52 performance remains the designer's responsibility.
P6SMB12CA-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:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 10.2V
- Voltage - Breakdown (Min):
- 11.4V
- Voltage - Clamping (Max) @ Ipp:
- 16.7V
- Current - Peak Pulse (10/1000µs):
- 35.9A
- 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)
P6SMB12CA-E3/52 FAQ
1.How can I place an order for P6SMB12CA-E3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB12CA-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 P6SMB12CA-E3/52 reliable?
The price and inventory of P6SMB12CA-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 P6SMB12CA-E3/52 is usually 5 days.
3.What payment methods are accepted for P6SMB12CA-E3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB12CA-E3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB12CA-E3/52?
P6SMB12CA-E3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB12CA-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 P6SMB12CA-E3/52?
For technical support, including P6SMB12CA-E3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB12CA-E3/52 requirements.
6.How does Aetrix verify that P6SMB12CA-E3/52 is sourced from the original manufacturer or authorized distributors?
All P6SMB12CA-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 P6SMB12CA-E3/52 meets industry standards.
7.What is the process for return or replacement of P6SMB12CA-E3/52?
All P6SMB12CA-E3/52 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB12CA-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 P6SMB12CA-E3/52 part is unused and in its original packaging.
Return procedure for P6SMB12CA-E3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB12CA-E3/52 Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
