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Vishay General Semiconductor - Diodes Division SMBJ6.0CAHM3/H
- Part No.:
- SMBJ6.0CAHM3/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ6.0CAHM3/H.pdf
- Description:
- TVS DIODE 6VWM 10.3VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:3,193
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Product details
Overview
SMBJ6.0CAHM3/H from Vishay General Semiconductor is a bidirectional surface-mount transient voltage suppressor (TVS) diode in SMB (DO-214AA) package, designed for clamping ESD and surge transients on signal/power lines. It features 6.4 V minimum breakdown voltage (VBR), 6.0 V maximum stand-off voltage (VWM), 600 W peak pulse power (10/1000 µs), 58.3 A peak pulse current (IPPM), and 10.3 V maximum clamping voltage (VC) - deployed in automotive sensor interfaces and industrial I/O protection.
For engineers reviewing the SMBJ6.0CAHM3/H datasheet, SMBJ6.0CAHM3/H pinout, SMBJ6.0CAHM3/H application, or SMBJ6.0CAHM3/H equivalent, this page delivers verified electrical specs, bidirectional clamping behavior, AEC-Q101 qualification status, thermal resistance (RθJA = 100 °C/W), and halogen-free RoHS-compliant construction per JESD201 Class 2 whisker test.
Technical Context
This device operates as a voltage-clamped bidirectional protector with symmetrical avalanche breakdown in both polarities. Its glass-passivated junction enables fast response (<1 ns), low incremental surge resistance, and stable clamping under repetitive 10/1000 µs surges at 0.01% duty cycle.
Designed for PCB-level transient suppression, SMBJ6.0CAHM3/H meets UL 497B recognition (QVGQ2) and is rated for -55 °C to +150 °C junction temperature. The HM3 suffix confirms halogen-free, RoHS-compliant, AEC-Q101 qualified construction with matte tin-plated leads solderable per J-STD-002.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 6.4 V / 7.07 V at 10 mA - defines reliable avalanche initiation threshold in both directions |
| VWM | 6.0 V - maximum continuous reverse voltage before leakage exceeds 800 µA |
| VC @ IPPM | 10.3 V at 58.3 A - clamping voltage limiting downstream IC stress during 10/1000 µs surge |
| PPPM | 600 W - peak transient power handling capability under standardized waveform |
| RθJA | 100 °C/W - thermal resistance from junction to ambient on standard 5.0 mm × 5.0 mm copper pads |
| TJ max. | +150 °C - maximum operating junction temperature enabling under-hood automotive use |
| Leakage ID | 800 µA at VWM - ensures minimal standby power loss in always-on circuits |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, halogen-free molding compound (UL 94 V-0), matte tin-plated terminals. Bidirectional configuration has no polarity marking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current entry (negative polarity) | One terminal of symmetrical avalanche junction; accepts reverse surge in either direction |
| Cathode | Transient current entry (positive polarity) | Second terminal of symmetrical junction; completes bidirectional conduction path |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing |
| 600 W peak pulse power | Withstands IEC 61000-4-5 Level 4 (4 kV) surges without degradation when mounted per recommended pad layout |
| Low clamping ratio (VC/VBR ≈ 1.5) | Minimizes overvoltage exposure to protected ICs - critical for 3.3 V/5 V logic interfaces |
| MSL Level 1 (260 °C peak) | Compatible with standard lead-free reflow profiles without moisture sensitivity concerns |
| Halogen-free & RoHS-compliant | Meets environmental compliance requirements for automotive and industrial end equipment |
Applications
| Automotive Sensor Interface | Industrial PLC Digital Input |
|---|---|
|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor front-ends (e.g., pressure, temperature) from load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Bidirectional clamping element placed between signal line and ground, absorbing transients before they reach the IC's ESD structure. Use Value: Enables robust operation at 12 V/24 V supply rails while maintaining <10.3 V clamping to preserve 3.3 V microcontroller I/O integrity. |
Use Scenario: Shielding 24 V digital input channels in programmable logic controllers against field-wiring induced surges and relay contact bounce. IC Role / Device Role / Timing Role: Primary surge shunt across input optocoupler or Schmitt trigger, diverting >50 A transients away from upstream conditioning circuitry. Use Value: Prevents false triggering and latch-up in industrial control systems by limiting transient overvoltage to safe levels within 1 ns response time. |
| Consumer USB Port Protection | Telecom Line Card Surge Suppression |
|
Use Scenario: Safeguarding USB 2.0 data lines (D+/D−) and VBUS against ESD (IEC 61000-4-2 ±15 kV) and hot-swap transients. IC Role / Device Role / Timing Role: Low-capacitance TVS pair placed differential-mode across signal lines and common-mode to ground. Use Value: Maintains signal integrity with <10 pF typical junction capacitance while clamping ESD events to <10.3 V - preserving USB eye diagram compliance. |
Use Scenario: Front-end protection for POTS/DSL line interface units exposed to lightning-induced surges per ITU-T K.20/K.44. IC Role / Device Role / Timing Role: First-stage crowbar device on tip/ring lines, coordinated with GDT and series impedance for multi-stage protection. Use Value: Absorbs up to 600 W of surge energy without failure, enabling compliance with GR-1089-CORE Level 3 (10/700 µs, 4 kV) 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 |
|---|---|---|---|
| SMBJ6.0CAHE3/H | Same electrical specs; RoHS-compliant but not halogen-free; lacks JESD201 Class 2 whisker rating | Approved for commercial/industrial use; not certified for automotive under hood | Select when halogen-free requirement is waived and AEC-Q101 is not mandatory |
| SMAJ6.0CAHM3 | Lower 400 W PPPM, larger SMA package (DO-214AC), higher RθJA (140 °C/W) | Suitable for lower-energy transients; less effective in high-density layouts due to footprint size | Choose only if board space allows larger package and 400 W rating suffices for system-level surge testing |
Compared with SMBJ6.0CAHE3/H and SMAJ6.0CAHM3, SMBJ6.0CAHM3/H uniquely combines AEC-Q101 qualification, halogen-free construction, and 600 W surge capacity in the compact SMB footprint - making it the preferred choice for automotive and high-reliability industrial designs where material compliance and thermal performance are jointly constrained.
Availability
SMBJ6.0CAHM3/H is available at Aetrix Electronics and suitable for automotive sensor modules, industrial PLC inputs, and telecom line card protection requiring stable component supply across extended production lifecycles.
Supply support for SMBJ6.0CAHM3/H 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 and application-specific optimization.
The SMBJ series targets high-energy transient suppression in automotive, industrial, and communications infrastructure - engineered for rapid clamping, low leakage, and long-term stability under thermal and surge stress.
FAQ
What does the "HM3" suffix indicate in SMBJ6.0CAHM3/H?
The HM3 suffix in SMBJ6.0CAHM3/H denotes halogen-free, RoHS-compliant construction with AEC-Q101 qualification and JESD201 Class 2 whisker resistance. It also specifies matte tin-plated leads compatible with lead-free reflow processes. This distinguishes SMBJ6.0CAHM3/H from non-automotive variants like SMBJ6.0CA-E3 and confirms its suitability for under-hood automotive applications where material compliance and reliability are mandated.
Is SMBJ6.0CAHM3/H unidirectional or bidirectional?
SMBJ6.0CAHM3/H is a bidirectional transient voltage suppressor, as confirmed by the "CA" suffix in its part number. It provides symmetrical clamping in both polarities with identical VBR, VC, and IPPM characteristics - essential for protecting AC-coupled lines, differential buses (e.g., RS-485), or any signal path where polarity reversal may occur during transients.
What is the maximum clamping voltage of SMBJ6.0CAHM3/H at rated surge current?
The maximum clamping voltage (VC) of SMBJ6.0CAHM3/H is 10.3 V at its rated peak pulse current (IPPM) of 58.3 A under the 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and guarantees that protected downstream circuitry will not experience more than 10.3 V during standardized surge events - critical for safeguarding 3.3 V or 5 V logic interfaces.
Does SMBJ6.0CAHM3/H meet automotive qualification standards?
Yes, SMBJ6.0CAHM3/H is AEC-Q101 qualified, as indicated by the "HM3" suffix and confirmed in Vishay's ordering information table. It undergoes rigorous stress testing including temperature cycling, high-temperature reverse bias (HTRB), and ESD per AEC-Q101 Rev D. This certification validates its use in automotive powertrain, chassis, and body electronics where long-term reliability under thermal and electrical stress is required.
How does SMBJ6.0CAHM3/H compare to SMBJ6.0A in terms of functionality?
SMBJ6.0CAHM3/H is bidirectional with symmetrical clamping, while SMBJ6.0A is unidirectional and conducts only in reverse bias. SMBJ6.0CAHM3/H has no cathode band marking, whereas SMBJ6.0A uses a band to denote cathode. Both share identical VBR, VC, and PPPM ratings, but SMBJ6.0CAHM3/H supports AC or polarity-agnostic protection - making it suitable for RS-485, USB, and other bidirectional signal paths where SMBJ6.0A would be inappropriate.
SMBJ6.0CAHM3/H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 6V
- Voltage - Breakdown (Min):
- 6.67V
- Voltage - Clamping (Max) @ Ipp:
- 10.3V
- Current - Peak Pulse (10/1000µs):
- 58.3A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
SMBJ6.0CAHM3/H FAQ
1.How can I place an order for SMBJ6.0CAHM3/H through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ6.0CAHM3/H 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 SMBJ6.0CAHM3/H reliable?
The price and inventory of SMBJ6.0CAHM3/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBJ6.0CAHM3/H is usually 5 days.
3.What payment methods are accepted for SMBJ6.0CAHM3/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ6.0CAHM3/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ6.0CAHM3/H?
SMBJ6.0CAHM3/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ6.0CAHM3/H 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 SMBJ6.0CAHM3/H?
For technical support, including SMBJ6.0CAHM3/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ6.0CAHM3/H requirements.
6.How does Aetrix verify that SMBJ6.0CAHM3/H is sourced from the original manufacturer or authorized distributors?
All SMBJ6.0CAHM3/H 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 SMBJ6.0CAHM3/H meets industry standards.
7.What is the process for return or replacement of SMBJ6.0CAHM3/H?
All SMBJ6.0CAHM3/H units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ6.0CAHM3/H, 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 SMBJ6.0CAHM3/H part is unused and in its original packaging.
Return procedure for SMBJ6.0CAHM3/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ6.0CAHM3/H Tags
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