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Vishay General Semiconductor - Diodes Division SMB10J10-E3/52
- Part No.:
- SMB10J10-E3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J10-E3/52.pdf
- Description:
- TVS DIODE 10VWM 18.8VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:7,729
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Product details
Overview
SMB10J10-E3/52 from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in DO-214AA (SMB) package, designed for high-energy surge protection on DC power rails and signal lines. It features a 10 V stand-off voltage (VWM), 11.1–12.3 V breakdown voltage (VBR) at 1 mA, 17.0 V clamping voltage (VC) at 5.0 A peak pulse current, and 1000 W peak pulse power rating with 10/1000 µs waveform.
For engineers reviewing the SMB10J10-E3/52 datasheet, SMB10J10-E3/52 pinout, SMB10J10-E3/52 application, or SMB10J10-E3/52 equivalent, key selection criteria include clamping performance under 1000 W surges, unidirectional polarity for DC rail protection, AEC-Q101 qualification for automotive use, and compatibility with automated SMT placement on 0.2" × 0.2" copper pads.
Technical Context
This TVS diode operates as a voltage-clamped shunt protector: when reverse voltage exceeds VBR, it avalanches to divert transient energy away from downstream ICs or MOSFETs. Its glass-passivated junction ensures stable breakdown and low leakage (<5.0 µA at VWM), while the low incremental surge resistance enables rapid response to fast transients like ESD or inductive switching spikes.
The device is rated for -55 °C to +150 °C operating junction temperature, with thermal resistance of 72 °C/W (junction-to-ambient) and 20 °C/W (junction-to-lead), supporting reliable operation in thermally constrained PCB layouts. It meets MSL Level 1 per J-STD-020 and passes JESD201 Class 1A whisker testing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 10 V - Maximum continuous reverse working voltage before conduction begins; defines safe operating margin for 12 V DC systems. |
| VBR (min/max) | 11.1 V / 12.3 V at 1 mA - Confirmed avalanche onset range; ensures predictable turn-on across production lot and temperature. |
| VC @ IPPM | 17.0 V at 5.0 A - Clamped voltage during 10/1000 µs surge; limits stress on protected 12 V logic or power stages. |
| PPPM | 1000 W - Peak pulse power handling with 10/1000 µs waveform; supports IEC 61000-4-5 Level 4 (4 kV) surge immunity. |
| ID @ VWM | <5.0 µA - Reverse leakage at stand-off voltage; minimizes quiescent power loss and avoids false triggering. |
| TJ max. | +150 °C - Maximum junction temperature; enables deployment in under-hood automotive or industrial enclosures. |
| Package | DO-214AA (SMB) - Surface-mount outline with 0.205" × 0.130" footprint; compatible with standard SMT reflow profiles and pick-and-place equipment. |
Pinout & Package
DO-214AA (SMB) package: molded plastic case with matte tin-plated leads, cathode indicated by a color band on the marked end. Mounting requires 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal for rated power dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction path (for uni-directional operation) | Connected to system ground or lower-potential node; conducts only during forward-biased surges (e.g., reverse polarity events). |
| Cathode | Reverse-biased surge clamping node | Connected to protected line (e.g., 12 V rail); avalanches into conduction when line voltage exceeds VBR, shunting surge current to ground. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, humidity bias, and mechanical shock - suitable for engine control units and ADAS power domains. |
| Glass passivated junction | Ensures stable VBR tolerance and low leakage over lifetime; prevents parameter drift due to moisture ingress or surface contamination. |
| Low profile DO-214AA package | 0.086" height enables use in space-constrained modules; compatible with IPC-7351B SMB footprint and standard stencil apertures. |
| MSL Level 1 rating | Unlimited floor life at ≤30 °C/60% RH; eliminates bake requirements prior to reflow, reducing manufacturing cost and risk of moisture-induced popcorning. |
| 1000 W peak pulse power | Handles repetitive 10/1000 µs surges up to 5.0 A without degradation - sufficient for ISO 7637-2 Pulse 1/2a/5a compliance in 12 V vehicle networks. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
|
Use Scenario: Protecting 12 V supply inputs of body control modules (BCM) against load dump and alternator transients per ISO 7637-2. IC Role / Device Role / Timing Role: Shunt-type transient suppressor placed between VIN and GND, clamping surges within 1 ns of onset. Use Value: Limits voltage seen by downstream PMICs and microcontrollers to ≤17.0 V, preventing latch-up or gate oxide damage during 1000 W pulses. |
Use Scenario: Safeguarding analog outputs of pressure or temperature sensors connected to PLC I/O cards exposed to field wiring transients. IC Role / Device Role / Timing Role: Unidirectional clamp on sensor VOUT line, referenced to system ground to block negative-going spikes. Use Value: Maintains signal integrity by suppressing >100 V transients to <17.0 V within nanoseconds, avoiding ADC saturation or op-amp input stage damage. |
| Consumer DC Adapter Input Protection | Telecom Power Supply Surge Suppression |
|
Use Scenario: Securing 5–12 V input rails of smart home hubs or set-top boxes powered by wall adapters subject to lightning-induced surges. IC Role / Device Role / Timing Role: Primary-level TVS on main DC input, upstream of fuse and filtering components. Use Value: Absorbs 1000 W surges without failure, enabling compliance with UL 62368-1 Annex D and IEC 61000-4-5 Ed. 3. |
Use Scenario: Protecting -48 V DC distribution buses in telecom base station power shelves from induced surges on long interconnect cables. IC Role / Device Role / Timing Role: Unidirectional clamp referenced to -48 V rail, with cathode tied to protected line and anode to system return. Use Value: Clamps negative transients to ≤17.0 V above rail potential, preserving integrity of hot-swap controllers and DC-DC converters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ10A-E3/52 | Same DO-214AA package, identical VWM (10 V) and VC (17.0 V), but rated for 600 W PPPM (vs. 1000 W). | Limited to lower-energy surge environments (e.g., IEC 61000-4-4 Level 3), not recommended for ISO 7637-2 Pulse 5a. | Select SMBJ10A-E3/52 only where board space allows larger thermal relief or where system-level testing confirms 600 W sufficiency. |
| 1.5SMC10A | DO-214AB (SMC) package, same electrical specs (VWM = 10 V, VC = 17.0 V), but higher thermal mass and 1500 W PPPM rating. | Requires larger PCB footprint (0.265" × 0.165") and higher reflow thermal budget; suited for high-reliability industrial power supplies. | Choose 1.5SMC10A when sustained surge duty cycle or ambient temperature exceeds SMB10J10-E3/52 derating limits. |
Compared with SMBJ10A-E3/52 and 1.5SMC10A, SMB10J10-E3/52 delivers optimal balance of 1000 W surge capacity, compact DO-214AA footprint, and AEC-Q101 qualification - making it the preferred choice for automotive and space-limited industrial designs requiring verified 12 V rail protection.
Availability
SMB10J10-E3/52 is available at Aetrix Electronics and suitable for automotive ECUs, industrial sensor nodes, consumer power adapters, and telecom DC distribution systems requiring stable component supply with full traceability and RoHS compliance.
Supply support for SMB10J10-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, power density, and automotive qualification.
The SMB10J series is engineered for high-power-density transient suppression in harsh environments, targeting automotive, industrial, and telecom applications where robustness against repetitive surges and extended temperature operation are critical.
FAQ
What is the maximum clamping voltage of SMB10J10-E3/52 under a 10/1000 µs surge?
The SMB10J10-E3/52 has a maximum clamping voltage (VC) of 17.0 V when subjected to a 10/1000 µs waveform at 5.0 A peak pulse current. This value is measured per ANSI/IEEE C62.35 and confirmed in Vishay's datasheet revision 12-Nov-12, ensuring predictable voltage limiting for downstream 12 V components during surge events. The SMB10J10-E3/52 maintains this clamping performance across its full operating temperature range.
Is SMB10J10-E3/52 suitable for automotive applications?
Yes, SMB10J10-E3/52 is AEC-Q101 qualified and explicitly rated for automotive use, including under-hood environments. Its -55 °C to +150 °C junction temperature range, MSL Level 1 rating, and validation against temperature cycling and mechanical shock make it appropriate for engine control units, body electronics, and ADAS power domains. The SMB10J10-E3/52 meets ISO 7637-2 requirements when applied with proper PCB layout per Vishay's recommended 0.2" × 0.2" copper pads.
What does the "E3/52" suffix indicate in SMB10J10-E3/52?
The "E3" suffix denotes RoHS-compliant, commercial-grade construction with matte tin-plated leads meeting J-STD-002 solderability and JESD201 Class 1A whisker resistance. The "/52" indicates packaging in 7" diameter plastic tape and reel, with a base quantity of 750 units per reel. This configuration supports high-speed automated placement and is documented in Vishay's ordering information table for SMB10J10-E3/52.
How does SMB10J10-E3/52 differ from bi-directional variants like SMB8J10CA?
SMB10J10-E3/52 is unidirectional, with a defined cathode band and forward conduction capability, making it ideal for DC rail protection where polarity is fixed. In contrast, SMB8J10CA is bi-directional, lacks polarity marking, and clamps both positive and negative transients - suited for AC-coupled or floating signal lines. The SMB10J10-E3/52 offers higher peak pulse power (1000 W vs. 800 W) and lower clamping impedance for unidirectional use cases.
What thermal considerations apply when using SMB10J10-E3/52 in high-temperature environments?
SMB10J10-E3/52 has a junction-to-ambient thermal resistance (RθJA) of 72 °C/W and junction-to-lead (RθJL) of 20 °C/W. At ambient temperatures above 25 °C, its peak pulse power must be derated per Figure 2 in the datasheet - e.g., at 85 °C TA, maximum PPPM drops to ~700 W. To maintain full 1000 W rating, ensure adequate copper area (0.2" × 0.2" pads minimum) and avoid thermal crowding near the SMB10J10-E3/52 location on the PCB.
SMB10J10-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:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 10V
- Voltage - Breakdown (Min):
- 11.1V
- Voltage - Clamping (Max) @ Ipp:
- 18.8V
- Current - Peak Pulse (10/1000µs):
- 53.2A
- 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)
SMB10J10-E3/52 FAQ
1.How can I place an order for SMB10J10-E3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J10-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 SMB10J10-E3/52 reliable?
The price and inventory of SMB10J10-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 SMB10J10-E3/52 is usually 5 days.
3.What payment methods are accepted for SMB10J10-E3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J10-E3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J10-E3/52?
SMB10J10-E3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J10-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 SMB10J10-E3/52?
For technical support, including SMB10J10-E3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J10-E3/52 requirements.
6.How does Aetrix verify that SMB10J10-E3/52 is sourced from the original manufacturer or authorized distributors?
All SMB10J10-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 SMB10J10-E3/52 meets industry standards.
7.What is the process for return or replacement of SMB10J10-E3/52?
All SMB10J10-E3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J10-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 SMB10J10-E3/52 part is unused and in its original packaging.
Return procedure for SMB10J10-E3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB10J10-E3/52 Tags
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