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Vishay General Semiconductor - Diodes Division SMB8J6.0C-E3/52
- Part No.:
- SMB8J6.0C-E3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB8J6.0C-E3/52.pdf
- Description:
- TVS DIODE 6VWM 11.4VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:4,486
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Product details
Overview
SMB8J6.0C-E3/52 from Vishay General Semiconductor is a bi-directional transient voltage suppressor (TVS) diode in DO-214AA (SMB) package, designed for robust overvoltage protection on signal and power lines. It features a 6.0 V stand-off voltage (VWM), 6.67–7.37 V breakdown voltage (VBR) at 10 mA, 10.3 V clamping voltage (VC) at 2000 A peak pulse current (IPPM), and 800 W peak pulse power (PPPM) with 10/1000 µs waveform.
For engineers reviewing the SMB8J6.0C-E3/52 datasheet, SMB8J6.0C-E3/52 pinout, SMB8J6.0C-E3/52 application, or SMB8J6.0C-E3/52 equivalent, this device is selected for automotive sensor interface protection, industrial I/O line surge hardening, and telecom port-level ESD/transient suppression where AEC-Q101 qualification, low clamping ratio, and bi-directional symmetry are critical.
Technical Context
This bi-directional TVS operates symmetrically across both polarities, enabling protection of AC-coupled or differential signal paths without polarity constraints. Its glass-passivated junction ensures stable VBR tolerance and low leakage (<1 µA at VWM), while the low incremental surge resistance supports fast energy dissipation during 10/1000 µs transients.
The device is rated for -55 °C to +150 °C operating junction temperature, meets MSL Level 1 per J-STD-020 (260 °C reflow peak), and is qualified to AEC-Q101 - confirming suitability for under-hood automotive electronics and harsh industrial environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 6.0 V - Maximum continuous reverse working voltage before clamping begins; defines safe operating margin below breakdown. |
| VBR (min/max) | 6.67 V / 7.37 V at 10 mA - Tight breakdown range ensures predictable turn-on threshold across production lots. |
| VC @ IPPM | 10.3 V at 2000 A - Clamping voltage under full-rated surge; yields clamping ratio of ~1.72×VWM for effective downstream IC protection. |
| PPPM | 800 W (10/1000 µs) - Peak surge power handling capacity; enables protection against IEC 61000-4-5 Level 4 (4 kV) surges when properly mounted. |
| ID @ VWM | <1.0 µA - Ultra-low reverse leakage preserves signal integrity and minimizes standby power loss in high-impedance circuits. |
| TJ max. | 150 °C - Enables reliable operation in engine control units, motor drives, and other high-temperature embedded systems. |
| Package | DO-214AA (SMB) - Standard surface-mount outline with 5.59 mm × 4.06 mm footprint; compatible with automated pick-and-place and reflow assembly. |
Pinout & Package
DO-214AA (SMB) package: bi-directional device with no polarity marking; symmetrical terminals - Cathode band absent. Leads are matte tin-plated, solderable per J-STD-002 and JESD 22-B102, and meet JESD 201 Class 1A whisker test (E3 suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bi-directional surge conduction path | Either terminal serves as anode or cathode depending on transient polarity; no DC bias dependency. |
| Case (body) | Thermal and mechanical interface | Non-electrical; copper pad layout per datasheet (0.2" × 0.2") required to achieve rated PPPM and thermal performance. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including powertrain and ADAS sensor interfaces, with extended temperature cycling and HTRB reliability testing. |
| Bi-directional symmetry | Enables single-device protection of AC signals (e.g., RS-485, CAN FD, audio lines) without external polarity management circuitry. |
| Low clamping ratio (VC/VWM ≈ 1.72) | Minimizes voltage overshoot during surge events, protecting 5 V and 3.3 V logic interfaces without additional series impedance. |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and standard reflow profile use (peak 260 °C), eliminating bake requirements in SMT production. |
| Glass-passivated junction | Ensures long-term parameter stability and low leakage drift over time and temperature, critical for mission-critical protection functions. |
Applications
| Automotive Sensor Interface | Industrial Digital I/O Protection |
|---|---|
Use Scenario: Protecting LIN bus or analog sensor outputs (e.g., pressure, temperature) in engine control modules from load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Primary transient shunt element placed directly at connector entry point, clamping surges before reaching MCU ADC or LIN transceiver. Use Value: AEC-Q101 qualification and 150 °C TJ rating ensure functional safety compliance; 10.3 V VC limits stress on 5 V rail-tied front-end circuitry. |
Use Scenario: Hardening PLC digital input channels against field-induced surges from relay coil switching or lightning-induced ground potential rise. IC Role / Device Role / Timing Role: Standoff-clamp TVS placed between field wiring and optocoupler input, absorbing >1 kV transients without latch-up. Use Value: 800 W PPPM and low ID support high-impedance sensing while maintaining <1 µA leakage at 6 V, preserving input threshold accuracy. |
| Telecom Line Interface | Consumer USB/Type-C Port Protection |
Use Scenario: Surge protection on POTS or DSL line interface cards exposed to induced lightning transients per ITU-T K.20/K.21. IC Role / Device Role / Timing Role: First-line bi-directional clamp on tip/ring pair, coordinated with gas discharge tube (GDT) for staged protection. Use Value: Symmetric VBR and VC enable balanced clamping on differential pairs; DO-214AA footprint allows compact dual-line layout. |
Use Scenario: ESD and surge protection on USB 2.0 D+/D− lines and VBUS in portable chargers or docking stations. IC Role / Device Role / Timing Role: Secondary protection device after integrated ESD array, handling higher-energy IEC 61000-4-5 surges that exceed primary array ratings. Use Value: 10.3 V clamping safely protects 5.5 V tolerant USB PHYs; RoHS-compliant E3 finish ensures lead-free assembly compatibility. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ6.0CA | Same DO-214AA package and 6.0 V VWM, but rated for 600 W PPPM (10/1000 µs) and 1200 A IPPM - lower surge capacity than SMB8J6.0C-E3/52's 800 W / 2000 A. | Less suitable for IEC 61000-4-5 Level 4 or automotive load dump; appropriate for cost-sensitive consumer-grade protection. | Select SMBJ6.0CA only if system-level surge testing confirms 600 W sufficiency and AEC-Q101 is not required. |
| SMCJ6.0CA | DO-214AB (SMC) package, same 6.0 V VWM, but rated for 1500 W PPPM and 2400 A IPPM - higher power handling in larger footprint. | Used where PCB space permits larger package and higher surge immunity is mandated (e.g., industrial power supply inputs). | Choose SMCJ6.0CA when board layout allows 7.11 mm × 6.22 mm footprint and system requires >800 W surge margin. |
Compared with SMBJ6.0CA, SMB8J6.0C-E3/52 delivers 33 % higher PPPM and AEC-Q101 qualification; versus SMCJ6.0CA, it trades 40 % lower surge rating for 30 % smaller board area and identical mounting process - optimizing for space-constrained automotive modules.
Availability
SMB8J6.0C-E3/52 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial I/O modules, telecom line cards, and consumer USB port protection requiring stable component supply, AEC-Q101 compliance, and DO-214AA footprint consistency.
Supply support for SMB8J6.0C-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, MOSFETs, optoelectronics, and passive components with emphasis on reliability, power efficiency, and automotive-grade qualification.
The SMB8J series belongs to Vishay's TRANSZORB® TVS portfolio, engineered specifically for high-energy transient suppression in automotive, industrial, and telecom infrastructure where bi-directional symmetry, AEC-Q101 validation, and tight parametric control are mandatory.
FAQ
What is the clamping voltage of SMB8J6.0C-E3/52 at its rated peak pulse current?
The SMB8J6.0C-E3/52 has a maximum clamping voltage (VC) of 10.3 V when subjected to its rated peak pulse current (IPPM) of 2000 A using the 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and confirmed in the Vishay datasheet revision 12-Nov-12, ensuring predictable overvoltage limiting for protected downstream circuitry.
Is SMB8J6.0C-E3/52 suitable for automotive applications?
Yes, SMB8J6.0C-E3/52 is AEC-Q101 qualified and rated for operation from -55 °C to +150 °C junction temperature, making it suitable for under-hood and chassis-mounted automotive electronics. Its bi-directional capability, low clamping ratio, and MSL Level 1 reflow compatibility align with requirements for engine control units, body control modules, and ADAS sensor interfaces.
What does the "C" in SMB8J6.0C-E3/52 indicate?
The "C" in SMB8J6.0C-E3/52 denotes bi-directional configuration - distinguishing it from uni-directional variants like SMB8J6.0A-E3/52. This means the device provides symmetrical transient suppression for both positive and negative polarity surges, essential for protecting AC-coupled or differential signal lines without polarity constraints.
What is the maximum reverse leakage current for SMB8J6.0C-E3/52 at its stand-off voltage?
The SMB8J6.0C-E3/52 exhibits a maximum reverse leakage current (ID) of 1.0 µA at its 6.0 V stand-off voltage (VWM), measured at TA = 25 °C. This ultra-low leakage preserves signal integrity in high-impedance sensor interfaces and minimizes standby power loss in battery-powered systems.
Does SMB8J6.0C-E3/52 require special PCB layout considerations?
Yes - to achieve its rated 800 W peak pulse power, SMB8J6.0C-E3/52 must be mounted on minimum recommended copper pad areas: 0.2" × 0.2" (5.0 mm × 5.0 mm) per terminal, as specified in the Vishay datasheet. Inadequate copper reduces thermal dissipation and de-rates surge capability, potentially leading to premature failure during repetitive transients.
SMB8J6.0C-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:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 6V
- Voltage - Breakdown (Min):
- 6.67V
- Voltage - Clamping (Max) @ Ipp:
- 11.4V
- Current - Peak Pulse (10/1000µs):
- 70.2A
- Power - Peak Pulse:
- 800W
- 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)
SMB8J6.0C-E3/52 FAQ
1.How can I place an order for SMB8J6.0C-E3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB8J6.0C-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 SMB8J6.0C-E3/52 reliable?
The price and inventory of SMB8J6.0C-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 SMB8J6.0C-E3/52 is usually 5 days.
3.What payment methods are accepted for SMB8J6.0C-E3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB8J6.0C-E3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB8J6.0C-E3/52?
SMB8J6.0C-E3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB8J6.0C-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 SMB8J6.0C-E3/52?
For technical support, including SMB8J6.0C-E3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB8J6.0C-E3/52 requirements.
6.How does Aetrix verify that SMB8J6.0C-E3/52 is sourced from the original manufacturer or authorized distributors?
All SMB8J6.0C-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 SMB8J6.0C-E3/52 meets industry standards.
7.What is the process for return or replacement of SMB8J6.0C-E3/52?
All SMB8J6.0C-E3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMB8J6.0C-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 SMB8J6.0C-E3/52 part is unused and in its original packaging.
Return procedure for SMB8J6.0C-E3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB8J6.0C-E3/52 Tags
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