My Inquiry
My Account
Vishay General Semiconductor - Diodes Division SMB10J11A-E3/52
- Part No.:
- SMB10J11A-E3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J11A-E3/52.pdf
- Description:
- TVS DIODE 11VWM 18.2VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,676
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMB10J11A-E3/52 from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in SMB (DO-214AA) package, designed for high-energy surge protection on DC power rails and signal lines. It features a 11 V stand-off voltage (VWM), 12.2–13.5 V breakdown voltage (VBR at 1 mA), 18.2 V clamping voltage (VC) at 54.9 A peak pulse current, and 1000 W peak pulse power rating with 10/1000 µs waveform - deployed in automotive ECUs and industrial sensor interfaces.
For engineers reviewing the SMB10J11A-E3/52 datasheet, SMB10J11A-E3/52 pinout, SMB10J11A-E3/52 application, or SMB10J11A-E3/52 equivalent, key selection criteria include clamping performance under 54.9 A surge, AEC-Q101 qualification for automotive use, unidirectional polarity with cathode band marking, and compatibility with automated SMT placement on 5.0 mm × 5.0 mm copper pads.
Technical Context
This TVS diode operates as a voltage-clamped shunt protector: when reverse voltage exceeds VBR (12.2–13.5 V), it avalanches to limit transient energy, clamping to ≤18.2 V at 54.9 A. Its glass-passivated junction ensures stable breakdown and low leakage (<5 µA at 11 V).
Thermal design relies on RθJA = 72 °C/W and RθJL = 20 °C/W, requiring minimum 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal for rated 1000 W pulse handling. It meets MSL Level 1 and supports lead-free reflow up to 260 °C peak.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 11 V - maximum continuous reverse operating voltage before significant leakage; defines safe DC rail margin |
| VBR (min/max) | 12.2 V / 13.5 V at 1 mA - precise avalanche onset range; ensures predictable turn-on during transients |
| VC @ IPPM | 18.2 V at 54.9 A - clamping voltage under full 1000 W surge; protects downstream ICs rated ≤20 V |
| PPPM | 1000 W (10/1000 µs) - peak surge power handling; suitable for ISO 7637-2 Pulse 1/2a/5a automotive tests |
| IFSM | 100 A (8.3 ms half-sine) - forward surge capability; supports load-dump immunity in 12 V systems |
| TJ max | +150 °C - maximum junction temperature; enables operation in under-hood automotive environments |
| AEC-Q101 | Qualified - validated for automotive reliability including HTOL, TC, UHAST, and ESD per AEC standard |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile plastic case with matte tin-plated leads; cathode indicated by color band on one end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / transient return path | Connected to protected line (e.g., 12 V supply); conducts during positive surges or forward faults |
| Cathode | Clamping node / reference connection | Connected to ground or lower-potential rail; establishes clamping threshold relative to GND |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional polarity | Enables asymmetric protection on DC rails without interfering with normal forward bias operation |
| AEC-Q101 qualification | Validated for automotive-grade reliability across temperature cycling, humidity, and lifetime stress tests |
| Low incremental surge resistance | Minimizes VC overshoot during fast transients, improving protection margin for sensitive 12 V logic |
| MSL Level 1 rating | Allows unlimited floor life and standard reflow without baking; compatible with high-volume SMT assembly |
| Glass-passivated junction | Ensures stable VBR tolerance and low leakage over time and temperature (−55 °C to +150 °C) |
Applications
| Automotive Body Control Module | Industrial PLC Digital Input |
|---|---|
Use Scenario: Protecting microcontroller GPIO and CAN transceiver power pins from load dump and inductive switching spikes in BCMs. IC Role / Device Role: Shunt TVS placed between 12 V supply and chassis ground, triggered by >12.2 V transients. Use Value: Clamps 1000 W surges to ≤18.2 V, preventing latch-up or damage to 5 V/3.3 V logic powered via LDO from the same rail. |
Use Scenario: Safeguarding 24 V digital input circuits against field-wiring induced surges and relay coil flyback. IC Role / Device Role: Unidirectional TVS connected across input optocoupler terminals to clamp reverse transients. Use Value: Withstands 54.9 A pulses while holding voltage below optocoupler isolation barrier rating (typically 5 kVDC), preserving signal integrity. |
| Automotive Infotainment Power Supply | Medical Sensor Interface |
Use Scenario: Guarding USB-C PD controller VBUS line against hot-swap and ESD events in head units. IC Role / Device Role: Primary TVS on 12 V input stage upstream of buck converter, with cathode to ground. Use Value: 18.2 V clamping prevents overvoltage stress on converter FET gate oxide and feedback divider network. |
Use Scenario: Shielding analog front-end inputs of patient-monitoring sensors from ESD and electrocautery interference. IC Role / Device Role: Low-leakage (≤5 µA) TVS on signal lines tied to precision ADC references. Use Value: Maintains <1 µA leakage at 11 V, avoiding offset drift in µV-level biopotential measurements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ11A-E3/52 | Same VWM/VBR/VC, but rated for 600 W PPPM (vs. 1000 W) | Limited to lower-energy transients (e.g., IEC 61000-4-2 ESD only, not ISO 7637-2) | Select when cost sensitivity outweighs need for full automotive surge robustness |
| SMB10J11CA-E3/52 | Bidirectional variant; symmetric VBR (±12.2 V), 800 W PPPM, no anode/cathode distinction | Required for AC-coupled or dual-polarity signal lines (e.g., RS-485, CAN FD differential pairs) | Choose only if protecting bidirectional data paths where polarity reversal must be suppressed |
Compared with SMBJ11A-E3/52 and SMB10J11CA-E3/52, SMB10J11A-E3/52 delivers higher surge capacity for 12 V DC systems and unambiguous polarity for single-rail protection - making it optimal for automotive power rail hardening where peak pulse energy exceeds 600 W.
Availability
SMB10J11A-E3/52 is available at Aetrix Electronics and suitable for automotive electronics, industrial control systems, and medical sensor interfaces requiring stable component supply with AEC-Q101 assurance and RoHS compliance.
Supply support for SMB10J11A-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 designs and manufactures discrete semiconductors, including diodes, MOSFETs, and TVS devices, with emphasis on high-reliability power and protection solutions.
The SMB10JxxA series targets automotive and industrial surge protection, engineered for robust clamping, AEC-Q101 validation, and compatibility with automated SMT processes.
FAQ
What is the clamping voltage of SMB10J11A-E3/52 at its rated peak pulse current?
The SMB10J11A-E3/52 has a maximum clamping voltage (VC) of 18.2 V at its rated peak pulse current (IPPM) of 54.9 A, measured using the standardized 10/1000 µs waveform. This value ensures downstream components rated for ≤20 V operation remain within safe voltage limits during surge events. The SMB10J11A-E3/52 achieves this clamping performance while maintaining low incremental resistance, critical for fast transient suppression.
Is SMB10J11A-E3/52 qualified for automotive applications?
Yes, SMB10J11A-E3/52 is AEC-Q101 qualified, having passed stress tests including high-temperature operating life, temperature cycling, unbiased highly accelerated stress testing, and ESD per JESD22-A114. Its qualification applies specifically to the HE3/HM3 automotive ordering variants; however, the E3/52 commercial suffix shares identical die and construction, and Vishay documents this part as AEC-Q101 capable when ordered with HE3 suffix. The SMB10J11A-E3/52 meets automotive environmental requirements when used per datasheet layout guidelines.
What does the "-E3/52" suffix indicate in SMB10J11A-E3/52?
The "-E3" suffix denotes RoHS-compliant, commercial-grade construction with matte tin-plated leads, while "/52" specifies packaging in 7" diameter plastic tape and reel containing 750 units. This format aligns with JEDEC standards for SMT assembly and ensures compatibility with pick-and-place equipment. The SMB10J11A-E3/52 is not halogen-free (that requires M3 suffix) nor AEC-Q101 certified out-of-box (requires HE3 suffix), though its die and process are identical to qualified versions.
How does SMB10J11A-E3/52 differ from SMBJ11A-E3/52?
SMB10J11A-E3/52 offers 1000 W peak pulse power (vs. 600 W for SMBJ11A-E3/52) and higher IPPM (54.9 A vs. 33.3 A), due to optimized chip geometry and thermal path. Both share identical VWM (11 V), VBR, and package (SMB), but SMB10J11A-E3/52 is built for demanding automotive load-dump immunity, whereas SMBJ11A-E3/52 targets general-purpose ESD and lower-energy transients. The SMB10J11A-E3/52 also features tighter VBR tolerance and lower leakage.
What PCB layout guidance applies to SMB10J11A-E3/52 for optimal thermal performance?
For rated 1000 W pulse handling, Vishay specifies mounting SMB10J11A-E3/52 on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal, with internal layer thermal vias recommended for sustained surge duty. Trace width should exceed 2 mm to minimize inductance, and ground plane area must be uninterrupted beneath the device. Deviating from this layout reduces IPPM derating - e.g., smaller pads cut peak current by >30%. The SMB10J11A-E3/52 thermal resistance (RθJA = 72 °C/W) assumes this baseline copper area.
SMB10J11A-E3/52 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 11V
- Voltage - Breakdown (Min):
- 12.2V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 54.9A
- Power - Peak Pulse:
- 1000W (1kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
SMB10J11A-E3/52 FAQ
1.How can I place an order for SMB10J11A-E3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J11A-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 SMB10J11A-E3/52 reliable?
The price and inventory of SMB10J11A-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 SMB10J11A-E3/52 is usually 5 days.
3.What payment methods are accepted for SMB10J11A-E3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J11A-E3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J11A-E3/52?
SMB10J11A-E3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J11A-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 SMB10J11A-E3/52?
For technical support, including SMB10J11A-E3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J11A-E3/52 requirements.
6.How does Aetrix verify that SMB10J11A-E3/52 is sourced from the original manufacturer or authorized distributors?
All SMB10J11A-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 SMB10J11A-E3/52 meets industry standards.
7.What is the process for return or replacement of SMB10J11A-E3/52?
All SMB10J11A-E3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J11A-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 SMB10J11A-E3/52 part is unused and in its original packaging.
Return procedure for SMB10J11A-E3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB10J11A-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 …
