My Inquiry
My Account
Vishay General Semiconductor - Diodes Division P6SMB11A-M3/52
;;2.jpg)
- Part No.:
- P6SMB11A-M3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB11A-M3/52.pdf
- Description:
- TVS DIODE 9.4VWM 15.6VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:8,471
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
P6SMB11A-M3/52 from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, designed for clamping voltage transients on power and signal lines. It features a 9.40 V stand-off voltage (VWM), 10.5–11.6 V breakdown voltage (VBR) at 1 mA, 15.6 V maximum clamping voltage (VC) at 38.5 A peak pulse current (IPPM), and 600 W peak pulse power capability with 10/1000 μs waveform.
For engineers reviewing the P6SMB11A-M3/52 datasheet, P6SMB11A-M3/52 pinout, P6SMB11A-M3/52 application, or P6SMB11A-M3/52 equivalent, this device serves as a robust, halogen-free, RoHS-compliant transient protection solution for automotive-grade and industrial power rail and interface line safeguarding where fast response (<1 ns), low clamping ratio (VC/VBR ≈ 1.45), and AEC-Q101 qualification readiness are critical selection criteria.
Technical Context
The P6SMB11A-M3/52 operates as a unidirectional avalanche diode, conducting only when reverse voltage exceeds its specified breakdown threshold. Its glass-passivated junction ensures stable VBR tolerance (±5%) and low leakage (≤5.0 μA at VWM), while its low incremental surge resistance enables effective energy diversion during ESD or lightning-induced surges.
Thermally, it exhibits RθJA = 100 °C/W and RθJL = 20 °C/W, supporting operation up to TJ = +150 °C. The device is rated for 100 A non-repetitive forward surge current (IFSM, 8.3 ms half-sine) and meets MSL Level 1 per J-STD-020 with 260 °C reflow peak temperature compatibility.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 9.40 V - Maximum continuous reverse voltage before significant leakage; defines safe operating margin below breakdown |
| VBR (Breakdown) | 10.5–11.6 V at 1.0 mA - Tight tolerance ensures predictable turn-on; critical for precise overvoltage threshold setting |
| VC (Clamping) | 15.6 V at 38.5 A - Limits transient voltage seen by downstream ICs; clamping ratio VC/VBR ≈ 1.45 indicates high efficiency |
| PPPM | 600 W (10/1000 μs) - Sustains high-energy transients without failure; suitable for IEC 61000-4-5 Level 3/4 surge immunity |
| ID (Leakage) | ≤5.0 μA at VWM - Minimizes standby power loss and avoids false triggering in low-current sensor or bias circuits |
| TJ max. | +150 °C - Enables use in under-hood automotive and high-temperature industrial environments without derating |
| Package | SMB (DO-214AA) - Low-profile, surface-mountable package compatible with automated assembly; 0.220" × 0.130" footprint |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, unidirectional configuration with cathode band marking. Dimensions: 5.59 mm × 3.30 mm × 2.20 mm (L × W × H). Matte tin-plated leads, solderable per J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side of protected line; conducts during forward surge (e.g., IFSM events) |
| Cathode | Reverse-biased clamping terminal | Connected to higher-potential side (e.g., VCC rail); avalanches to clamp transients above VBR |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power | Withstands IEC 61000-4-5 surges up to 4 kV (line-to-earth) without degradation when mounted per recommended pad layout |
| Fast response time | <1 ns - Limits voltage overshoot during ESD (IEC 61000-4-2) and fast transients, protecting sensitive CMOS inputs |
| Halogen-free & RoHS-compliant (M3 suffix) | Meets IPC-4101D/21 and JEDEC J-STD-020 MSL Level 1 - Supports green manufacturing and high-reliability reflow processes |
| Low clamping voltage (15.6 V) | Provides ≥2.4 V margin below typical 18 V automotive load-dump thresholds - prevents overvoltage damage to 12 V system ICs |
| AEC-Q101 qualification path | M3 suffix variant supports qualification-ready sourcing; HE3/HM3 variants are fully AEC-Q101 qualified for automotive applications |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
|
Use Scenario: Protecting 12 V battery-fed ECUs against load dump (ISO 7637-2 Pulse 5a) and alternator transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between VBAT and GND, clamping transients before they reach LDOs or microcontrollers. Use Value: 15.6 V clamping ensures downstream 16 V-rated components remain within safe operating area during 60 V/100 ms load dump events. |
Use Scenario: Safeguarding analog sensor outputs (e.g., pressure, temperature) connected to PLC I/O modules exposed to field wiring noise. IC Role / Device Role / Timing Role: TVS placed across differential or single-ended signal lines to shunt induced surges from long cables or relay switching. Use Value: Sub-1 ns response and ≤5 μA leakage preserve signal integrity and avoid DC offset errors in precision 4–20 mA loops. |
| Consumer USB Port ESD Protection | Telecom Line Card Surge Suppression |
|
Use Scenario: Adding secondary-level transient protection on USB VBUS lines in portable chargers and docking stations. IC Role / Device Role / Timing Role: Unidirectional TVS placed after primary fuse/FET, absorbing residual ESD (IEC 61000-4-2 ±15 kV contact) not filtered upstream. Use Value: 600 W rating handles multiple ESD strikes without parametric shift; SMB footprint allows placement near connector with minimal trace inductance. |
Use Scenario: Front-end protection of DSL or Ethernet PHY interfaces in central office line cards subjected to lightning-induced surges. IC Role / Device Role / Timing Role: TVS array component used in conjunction with gas discharge tubes (GDTs) for coordinated multi-stage surge suppression. Use Value: 15.6 V clamping complements GDT follow-on voltage (~100 V), enabling staged energy handling per ITU-T K.20/K.21 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 |
|---|---|---|---|
| SMAJ11A | Same VWM (9.4 V), identical SMB package, but lower PPPM (400 W) and higher VC (18.2 V at 33 A) | Limited to lower-energy transients (e.g., IEC 61000-4-2 only); unsuitable for IEC 61000-4-5 Level 4 | Select SMAJ11A only if cost sensitivity outweighs surge robustness requirements and layout space permits larger thermal pads. |
| 1.5SMC11A | Higher power rating (1500 W), same VWM/VC, but larger SMC (DO-214AB) package (7.11 mm × 6.22 mm) | Requires PCB redesign due to 2.5× larger footprint; better suited for high-power industrial AC mains protection | Choose 1.5SMC11A when system-level surge testing exceeds 600 W or when board real estate allows larger package for enhanced thermal margin. |
Compared with SMAJ11A and 1.5SMC11A, the P6SMB11A-M3/52 delivers optimal balance of compact SMB footprint, 600 W surge capacity, and low 15.6 V clamping-making it preferred for space-constrained automotive and industrial DC power rails where both size and performance are critical.
Availability
P6SMB11A-M3/52 is available at Aetrix Electronics and suitable for automotive control units, industrial sensor nodes, consumer power adapters, and telecom line cards requiring stable component supply, halogen-free compliance, and consistent surge performance across production batches.
Supply support for P6SMB11A-M3/52 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, MOSFETs, optoelectronics, and passive components with emphasis on reliability, efficiency, and application-specific optimization.
The P6SMB Series targets high-reliability transient suppression in automotive, industrial, and communications systems, engineered for fast clamping, low leakage, and seamless integration into automated SMT production lines.
FAQ
What is the maximum clamping voltage of the P6SMB11A-M3/52 under standard test conditions?
The P6SMB11A-M3/52 has a maximum clamping voltage (VC) of 15.6 V when subjected to its rated peak pulse current (IPPM) of 38.5 A using a 10/1000 μs waveform. This value is measured at TA = 25 °C with the device mounted on 0.2" × 0.2" copper pads per the datasheet's recommended layout. The P6SMB11A-M3/52 maintains this clamping performance across its full operating junction temperature range (−65 °C to +150 °C), with minor derating above 25 °C per Figure 2 in the official Vishay document 88370.
Is the P6SMB11A-M3/52 suitable for automotive applications?
Yes-the P6SMB11A-M3/52 is halogen-free and RoHS-compliant (M3 suffix), and belongs to the AEC-Q101-qualified P6SMB family. While the M3 suffix itself denotes commercial-grade qualification, Vishay offers the HM3 suffix variant (e.g., P6SMB11AHM3_B/H) that is fully AEC-Q101 qualified for automotive use. The P6SMB11A-M3/52 shares identical electrical characteristics, thermal behavior, and package dimensions with its HM3 counterpart, making it suitable for pre-qualification design-in and production ramp where AEC-Q101 certification is pending or not mandated.
How does the P6SMB11A-M3/52 differ from bidirectional versions like P6SMB11CA?
The P6SMB11A-M3/52 is unidirectional, meaning it conducts only in reverse bias above VBR and blocks forward current beyond VF ≈ 3.5 V at 50 A. In contrast, P6SMB11CA is bidirectional, providing symmetrical clamping in both polarities-ideal for AC signal lines or differential buses. The P6SMB11A-M3/52 features a cathode band marking and is optimized for DC power rail protection, whereas P6SMB11CA has no polarity marking and supports applications like RS-485 or CAN bus where voltage transients can swing positive or negative relative to ground.
What is the thermal resistance from junction to ambient for the P6SMB11A-M3/52?
The P6SMB11A-M3/52 has a typical thermal resistance from junction to ambient air (RθJA) of 100 °C/W when mounted on the minimum recommended pad layout (0.2" × 0.2" copper pads per terminal). Its junction-to-lead thermal resistance (RθJL) is 20 °C/W. These values enable reliable operation up to +150 °C junction temperature, provided PCB layout adheres to Vishay's mounting recommendations in document 88370. Derating curves in Figure 2 confirm usable power dissipation down to ~3.5 W at TA = 70 °C.
Does the P6SMB11A-M3/52 require additional series impedance for optimal ESD protection?
Yes-while the P6SMB11A-M3/52 provides low-clamping, high-power transient suppression, optimal ESD protection (per IEC 61000-4-2) requires coordination with upstream current-limiting elements such as ferrite beads or small-value resistors (e.g., 10–100 Ω) to reduce di/dt and prevent parasitic oscillation. The P6SMB11A-M3/52 alone cannot limit peak current slew rate; adding series impedance ensures the device operates within its specified 10/1000 μs waveform envelope and avoids localized heating during repetitive ESD events.
P6SMB11A-M3/52 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 9.4V
- Voltage - Breakdown (Min):
- 10.5V
- Voltage - Clamping (Max) @ Ipp:
- 15.6V
- Current - Peak Pulse (10/1000µs):
- 38.5A
- 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)
P6SMB11A-M3/52 FAQ
1.How can I place an order for P6SMB11A-M3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB11A-M3/52 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 P6SMB11A-M3/52 reliable?
The price and inventory of P6SMB11A-M3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB11A-M3/52 is usually 5 days.
3.What payment methods are accepted for P6SMB11A-M3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB11A-M3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB11A-M3/52?
P6SMB11A-M3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB11A-M3/52 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 P6SMB11A-M3/52?
For technical support, including P6SMB11A-M3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB11A-M3/52 requirements.
6.How does Aetrix verify that P6SMB11A-M3/52 is sourced from the original manufacturer or authorized distributors?
All P6SMB11A-M3/52 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 P6SMB11A-M3/52 meets industry standards.
7.What is the process for return or replacement of P6SMB11A-M3/52?
All P6SMB11A-M3/52 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB11A-M3/52, 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 P6SMB11A-M3/52 part is unused and in its original packaging.
Return procedure for P6SMB11A-M3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB11A-M3/52 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 …
