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Vishay General Semiconductor - Diodes Division SMBJ6.0CD-M3/I

Part No.:
SMBJ6.0CD-M3/I
Manufacturer:
Vishay General Semiconductor - Diodes Division
Category:
TVS Diodes
Package:
DO-214AA, SMB
Datasheet:
AetrixSMBJ6.0CD-M3/I.pdf
Description:
TVS DIODE 6VWM 10.2VC DO214AA
Quantity:
Payment:
Payment
Shipping:
Shipping

Inventory:8,781

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Product details

Overview

SMBJ6.0CD-M3/I from Vishay General Semiconductor is a bidirectional surface-mount transient voltage suppressor (TVS) diode in SMB (DO-214AA) package, designed for clamping voltage transients on signal or power lines. It features a 6.0 V stand-off voltage (VWM), 6.77–7.27 V breakdown voltage (VBR) at 10 mA, 600 W peak pulse power (10/1000 μs), and clamps to ≤10.2 V at 58.9 A peak surge current - used in sensor interface protection and industrial I/O line safeguarding.

For engineers reviewing the SMBJ6.0CD-M3/I datasheet, SMBJ6.0CD-M3/I pinout, SMBJ6.0CD-M3/I application, or SMBJ6.0CD-M3/I equivalent, key selection criteria include bidirectional polarity, ±3.5 % VBR tolerance, MSL Level 1 moisture sensitivity, halogen-free RoHS-compliant construction, and compatibility with automated SMT placement on standard PCB pad layouts.

Technical Context

This bidirectional TVS operates symmetrically in both forward and reverse directions, enabling robust protection of AC-coupled or differential signal paths without polarity constraints. Its low clamping ratio (VC/VBR ≈ 1.43) and fast response time ensure effective suppression of ESD, lightning-induced surges, and inductive switching transients.

The device is rated for 150 °C maximum junction temperature and exhibits 125 °C/W thermal resistance (junction-to-ambient, mounted on minimum recommended pad layout). It meets UL 497B recognition (QVGQ2) and complies with JESD201 Class 2 whisker resistance and J-STD-020 MSL Level 1 reflow requirements.

Key Specifications

Parameter Value and Actual Design Meaning
VWM 6.0 V - Maximum continuous reverse stand-off voltage before significant leakage; defines safe operating margin below breakdown.
VBR min/max 6.77 V / 7.27 V at 10 mA - Tight ±3.5 % tolerance ensures predictable turn-on across production lots.
VC @ IPPM ≤10.2 V at 58.9 A - Clamping voltage under 600 W 10/1000 μs surge; limits downstream IC stress during transient events.
PPPM 600 W - Peak pulse power handling capability per standard 10/1000 μs waveform at 0.01 % duty cycle.
ID @ VWM ≤500 μA - Low reverse leakage preserves signal integrity and minimizes standby power loss in high-impedance circuits.
Package SMB (DO-214AA) - Surface-mount outline with 2.20 mm × 3.94 mm footprint; optimized for automated pick-and-place and reflow.
MSL Level Level 1 (per J-STD-020) - No floor life limitation; supports standard reflow without baking preconditioning.

Pinout & Package

Package: SMB (DO-214AA), bidirectional - no cathode band marking; symmetrical two-terminal construction.

Pin/Terminal Circuit Role Design Meaning
Anode/Cathode (bidirectional) Surge current path Both terminals function identically; current flows either direction during overvoltage events - no polarity orientation required on PCB.
Cathode/Anode (bidirectional) Clamping node Terminal pair forms a voltage-clamped path between protected line and reference (e.g., GND or complementary rail); enables AC or differential line protection.

Key Features

Feature Design Value
Bidirectional symmetry Enables single-device protection of AC signals, RS-485 buses, or transformer-coupled interfaces without polarity concerns.
±3.5 % VBR tolerance Reduces design margin uncertainty and simplifies worst-case clamping analysis for safety-critical industrial systems.
600 W surge rating (10/1000 μs) Meets IEC 61000-4-5 Level 4 (4 kV) surge immunity when properly laid out with low-inductance grounding.
Halogen-free, RoHS-compliant M3 suffix Supports industrial-grade reliability and environmental compliance for global OEM deployments including automotive-adjacent applications.
MSL Level 1 & 260 °C reflow peak Eliminates pre-bake steps and streamlines high-volume SMT manufacturing with standard lead-free reflow profiles.

Applications

Industrial Sensor Interface RS-485 Communication Line

Use Scenario: Protecting analog output lines of pressure/temperature sensors exposed to motor drive noise and relay switching transients in factory automation cabinets.

IC Role / Device Role / Timing Role: Bidirectional clamping element placed between sensor output and microcontroller ADC input, referenced to system ground.

Use Value: Limits induced surges to ≤10.2 V, preventing ADC saturation or latch-up while maintaining <500 μA leakage at 6.0 V nominal line voltage.

Use Scenario: Safeguarding differential data lines in industrial RS-485 networks subject to cable discharge events and ground potential differences.

IC Role / Device Role / Timing Role: Paired TVS devices (one per line) referenced to common-mode ground, suppressing common-mode transients up to 600 W.

Use Value: Maintains signal integrity by clamping differential surges without affecting DC bias or data eye opening due to tight VBR tolerance and low capacitance.

Consumer Appliance Control Board Telecom Power Input Stage

Use Scenario: Shielding microcontroller GPIOs and relay driver outputs on washing machine control boards from inductive kickback and ESD.

IC Role / Device Role / Timing Role: Point-of-load TVS on 5 V or 3.3 V supply rails and switched outputs, placed adjacent to connectors.

Use Value: Absorbs 58.9 A transient current within nanoseconds, limiting voltage overshoot to 10.2 V and preserving MCU I/O cell reliability.

Use Scenario: Front-end surge protection on 48 V telecom power inputs subjected to lightning-induced surges per IEC 61000-4-5.

IC Role / Device Role / Timing Role: Primary clamping device in series with upstream fuse and parallel to bulk capacitor, referenced to chassis ground.

Use Value: Handles 600 W pulses without degradation, enabling compact front-end designs that meet Telcordia GR-1089-CORE Level 3 requirements.

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-E3/52 (Vishay) Same electrical specs and SMB package; differs only in packaging (tape/reel size) and M3 vs. E3 suffix - E3 indicates legacy halogen-containing version. No functional difference in circuit operation; E3 variant lacks halogen-free certification and JESD201 Class 2 whisker compliance. Select SMBJ6.0CD-M3/I for RoHS/halogen-free compliance and extended reliability in high-reliability industrial programs.
P6SMB6.0CA (ON Semiconductor) Identical VWM (6.0 V), VBR (6.77–7.27 V), VC (10.2 V), and PPPM (600 W); same SMB package but slightly higher ID (1000 μA max vs. 500 μA). Higher leakage may affect ultra-low-power sensor nodes; otherwise interchangeable in most industrial and telecom surge protection roles. Choose P6SMB6.0CA only if legacy qualification or dual-sourcing mandates ON Semi parts; verify leakage impact in battery-powered designs.

Compared with SMBJ6.0CD-M3/I, the Vishay SMBJ6.0CA-E3/52 offers identical clamping performance but lacks halogen-free and whisker-resistant certifications, while the ON Semiconductor P6SMB6.0CA trades tighter leakage for broader second-source availability - making SMBJ6.0CD-M3/I optimal for new designs requiring full industrial compliance.

Availability

SMBJ6.0CD-M3/I is available at Aetrix Electronics and suitable for industrial sensor interfaces, RS-485 communication lines, and telecom power input stages requiring stable component supply, long-term lifecycle support, and consistent MSL Level 1 manufacturability.

Supply support for SMBJ6.0CD-M3/I 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 SMBJ series was developed for high-energy transient suppression in space-constrained surface-mount applications, targeting industrial automation, telecommunications infrastructure, and consumer appliance markets demanding robust ESD and surge immunity.

FAQ

What is the polarity configuration of SMBJ6.0CD-M3/I?

The SMBJ6.0CD-M3/I is a bidirectional TVS diode with symmetrical terminal behavior - neither end is marked as anode or cathode. This allows it to clamp overvoltage transients equally in both directions, making it ideal for protecting AC-coupled signals, differential buses like RS-485, or any line where polarity cannot be guaranteed during surge events. The device has no cathode band marking.

Does SMBJ6.0CD-M3/I meet UL recognition standards?

Yes, SMBJ6.0CD-M3/I is Underwriters Laboratory (UL) recognized under standard UL 497B for protectors, with file number E136766. This applies to both unidirectional and bidirectional variants in the SMBJ family. The recognition covers its use in primary and secondary circuit protection applications, confirming compliance with safety requirements for transient voltage suppressors in commercial and industrial equipment.

What is the maximum clamping voltage of SMBJ6.0CD-M3/I under surge conditions?

The SMBJ6.0CD-M3/I clamps to a maximum of 10.2 V when subjected to its rated 58.9 A peak pulse current (IPPM), defined by the 10/1000 μs waveform. This clamping voltage is measured at the device terminals and represents the upper limit of voltage seen by downstream circuitry during a 600 W transient event - critical for ensuring connected ICs remain within absolute maximum ratings.

Can SMBJ6.0CD-M3/I be used in automotive applications?

SMBJ6.0CD-M3/I is not AEC-Q200 qualified and is specified for industrial-grade operation (−55 °C to +150 °C junction temperature). While its electrical specs and robustness make it suitable for under-hood or infotainment peripheral protection in some cases, Vishay does not certify it for automotive safety-critical systems. For automotive use, consult Vishay's AEC-Q200-qualified TVS portfolio such as the AUTOMOTIVE SMBJ series.

How does the M3 suffix affect SMBJ6.0CD-M3/I's reliability and processing?

The M3 suffix on SMBJ6.0CD-M3/I denotes halogen-free, RoHS-compliant construction with matte tin-plated leads meeting J-STD-002 solderability and JESD201 Class 2 whisker resistance. It also confirms MSL Level 1 rating - meaning the device can be reflowed at 260 °C peak without baking, supporting high-yield, low-risk SMT assembly in industrial and telecom manufacturing environments.

SMBJ6.0CD-M3/I 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:
-
Bidirectional Channels:
1
Voltage - Reverse Standoff (Typ):
6V
Voltage - Breakdown (Min):
6.77V
Voltage - Clamping (Max) @ Ipp:
10.2V
Current - Peak Pulse (10/1000µs):
58.9A
Power - Peak Pulse:
600W
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 (SMBJ)

SMBJ6.0CD-M3/I FAQ

1.How can I place an order for SMBJ6.0CD-M3/I through Aetrix?

Please submit a Request for Quotation (RFQ) for SMBJ6.0CD-M3/I 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 SMBJ6.0CD-M3/I reliable?

The price and inventory of SMBJ6.0CD-M3/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBJ6.0CD-M3/I is usually 5 days.

3.What payment methods are accepted for SMBJ6.0CD-M3/I?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ6.0CD-M3/I transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SMBJ6.0CD-M3/I?

SMBJ6.0CD-M3/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SMBJ6.0CD-M3/I 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 SMBJ6.0CD-M3/I?

For technical support, including SMBJ6.0CD-M3/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ6.0CD-M3/I requirements.

6.How does Aetrix verify that SMBJ6.0CD-M3/I is sourced from the original manufacturer or authorized distributors?

All SMBJ6.0CD-M3/I 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 SMBJ6.0CD-M3/I meets industry standards.

7.What is the process for return or replacement of SMBJ6.0CD-M3/I?

All SMBJ6.0CD-M3/I units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ6.0CD-M3/I, 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 SMBJ6.0CD-M3/I part is unused and in its original packaging.

Return procedure for SMBJ6.0CD-M3/I:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

SMBJ6.0CD-M3/I Tags

  • SMBJ6.0CD-M3/I
  • SMBJ6.0CD-M3/I PDF
  • SMBJ6.0CD-M3/I Datasheet
  • SMBJ6.0CD-M3/I Specifications
  • SMBJ6.0CD-M3/I Images
  • Vishay General Semiconductor - Diodes Division
  • Vishay General Semiconductor - Diodes Division SMBJ6.0CD-M3/I
  • Buy SMBJ6.0CD-M3/I
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