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Vishay General Semiconductor - Diodes Division SMBJ6.0AHM3_B/I
- Part No.:
- SMBJ6.0AHM3_B/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ6.0AHM3_B/I.pdf
- Description:
- 600W,6.0V 5%,UNIDIR,SMB TVS
- Quantity:
- Payment:
- Shipping:
Inventory:2,094
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Product details
Overview
SMBJ6.0AHM3_B/I from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in the SMB (DO-214AA) package, designed for clamping fast-rising voltage transients on power and signal lines. It features a 6.0 V stand-off voltage (VWM), 6.67–7.37 V breakdown voltage (VBR) at 10 mA, 600 W peak pulse power (10/1000 µs), and clamps to ≤10.3 V at 58.3 A peak surge current - enabling robust protection of MOSFETs, ICs, and sensor interfaces in industrial and automotive electronics.
For engineers reviewing the SMBJ6.0AHM3_B/I datasheet, SMBJ6.0AHM3_B/I pinout, SMBJ6.0AHM3_B/I application, or SMBJ6.0AHM3_B/I equivalent, this page delivers verified electrical specs, thermal derating behavior, AEC-Q101 qualification status, halogen-free RoHS compliance, and real-world use context for ESD and inductive switching surge suppression.
Technical Context
This TVS diode operates as a unidirectional clamping device with cathode-banded polarity, leveraging a glass-passivated silicon junction for low leakage (<800 µA at VWM) and fast response time (<1 ns). Its 100 °C/W junction-to-ambient thermal resistance requires careful PCB pad design per Vishay's 0.2" × 0.2" copper pad recommendation to sustain repetitive 600 W pulses at ≤0.01% duty cycle.
The SMBJ6.0AHM3_B/I is rated for -55 °C to +150 °C operating junction temperature, supports 100 A non-repetitive forward surge (8.3 ms half-sine), and exhibits a positive VBR temperature coefficient of +0.059 %/°C - critical for stable clamping across wide ambient ranges in automotive under-hood or industrial control environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 6.0 V - Maximum continuous reverse working voltage before significant leakage; sets upper limit for protected line DC bias. |
| VBR @ IT = 10 mA | 6.67–7.37 V - Verified breakdown range ensuring reliable turn-on during transients without premature conduction. |
| VC @ IPPM = 58.3 A | ≤10.3 V - Clamped voltage during 600 W surge; defines maximum stress imposed on downstream ICs or MOSFETs. |
| PPPM | 600 W - Peak pulse power handling capability with 10/1000 µs waveform; validates suitability for IEC 61000-4-5 Level 3/4 surges. |
| IFSM | 100 A - Single half-sine surge rating (8.3 ms); supports protection against motor-switching or relay-coil kickback events. |
| TJ max. | +150 °C - Maximum junction temperature; enables operation in high-temperature enclosures without thermal shutdown. |
| Package | SMB (DO-214AA) - Standardized surface-mount outline with 2.20 mm min. cathode band width; compatible with automated pick-and-place. |
Pinout & Package
Package: SMB (DO-214AA), molded plastic case with matte tin-plated leads, MSL Level 1 (260 °C peak reflow), UL 94 V-0 rated compound. Cathode indicated by band; anode is unmarked end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient current sink | Connected to protected line; conducts surge current to ground when VLINE exceeds VBR. |
| Anode (unbanded end) | Reference node | Typically tied to system ground or low-impedance return path; completes clamping loop during overvoltage events. |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 µs) | Validates compliance with IEC 61000-4-5 surge immunity requirements for industrial and automotive equipment. |
| AEC-Q101 qualified (HM3 suffix) | Confirms reliability for automotive applications including engine control units, body electronics, and ADAS sensor interfaces. |
| Halogen-free & RoHS-compliant | Meets EU Directive 2011/65/EU and IPC-1752A material declaration standards for green manufacturing. |
| Low incremental surge resistance | Enables tighter clamping (VC − VBR ≈ 3.6 V) and reduced energy dissipation in protected circuits. |
| Fast response time (<1 ns) | Prevents voltage overshoot beyond safe limits for sub-10 ns ESD events per IEC 61000-4-2. |
Applications
| Automotive Power Line Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs from load-dump transients and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and chassis ground to clamp spikes up to ±100 V. Use Value: Limits peak voltage to ≤10.3 V during 58.3 A surges, preventing latch-up or gate oxide damage in microcontrollers and CAN transceivers. |
Use Scenario: Shielding analog output lines (e.g., 4–20 mA current loops) from ESD and inductive coupling in factory automation. IC Role / Device Role / Timing Role: TVS mounted at connector entry point to shunt transients before reaching precision op-amps or ADC front-ends. Use Value: Sub-1 ns response ensures clamping occurs before sensitive analog circuitry experiences destructive overvoltage. |
| Consumer Device USB Port Protection | Telecom Power Supply Input Stage |
Use Scenario: Safeguarding USB VBUS lines in portable chargers and docking stations against hot-plug and ESD events. IC Role / Device Role / Timing Role: Unidirectional TVS connected between VBUS and GND to absorb ±15 kV contact ESD per IEC 61000-4-2. Use Value: 600 W rating handles multiple ESD strikes without degradation; low VC preserves USB 2.0 signaling integrity. |
Use Scenario: Front-end surge suppression on AC/DC adapter inputs exposed to lightning-induced surges in telecom base stations. IC Role / Device Role / Timing Role: TVS used in coordination with MOVs and fuses to divert high-energy transients before rectifier stage. Use Value: 100 A IFSM rating supports coordination with upstream overcurrent protection during 8.3 ms line surges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ6.0A-E3/52 | RoHS-compliant but not halogen-free; commercial grade only (no AEC-Q101 qualification). | Limited to non-automotive industrial or consumer designs where halogen content and automotive qualification are not required. | Select when cost sensitivity outweighs automotive qualification and halogen-free mandates. |
| SMBJ6.0AHE3_B/I | Same electrical specs and AEC-Q101 qualification, but uses standard RoHS-compliant (non-halogen-free) molding compound. | Suitable for automotive applications requiring AEC-Q101 but without halogen-free material restrictions (e.g., legacy OEM specs). | Choose when halogen-free certification is not mandated but AEC-Q101 validation is essential. |
Compared with SMBJ6.0A-E3/52 and SMBJ6.0AHE3_B/I, the SMBJ6.0AHM3_B/I uniquely combines AEC-Q101 qualification, halogen-free construction, and full RoHS compliance - making it the only option among the three for next-generation automotive platforms with strict material sustainability requirements.
Availability
SMBJ6.0AHM3_B/I is available at Aetrix Electronics and suitable for automotive ECU protection, industrial sensor interface hardening, and telecom power supply surge suppression requiring stable component supply, long-term lifecycle support, and traceable halogen-free sourcing.
Supply support for SMBJ6.0AHM3_B/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, rectifiers, MOSFETs, and protection devices with emphasis on reliability, power efficiency, and automotive-grade qualification.
The SMBJ series was engineered specifically for high-energy transient suppression in harsh environments - delivering consistent clamping performance, low leakage, and AEC-Q101 validation for mission-critical automotive and industrial systems.
FAQ
What is the clamping voltage of SMBJ6.0AHM3_B/I at its rated peak pulse current?
The SMBJ6.0AHM3_B/I clamps to a maximum of 10.3 V at its specified peak pulse current of 58.3 A (10/1000 µs waveform). This value is measured under standardized test conditions and defines the upper voltage limit imposed on protected circuitry during surge events. The SMBJ6.0AHM3_B/I maintains this clamping performance across its full operating temperature range, supporting robust design margin for downstream ICs and MOSFETs.
Is SMBJ6.0AHM3_B/I qualified for automotive applications?
Yes, SMBJ6.0AHM3_B/I is AEC-Q101 qualified, as confirmed by the "HM3" suffix in its ordering code. This qualification covers stress testing for temperature cycling, humidity, mechanical shock, and high-temperature operating life - validating its suitability for automotive powertrain, body electronics, and ADAS subsystems. The SMBJ6.0AHM3_B/I meets all applicable AEC-Q101 test requirements per Vishay's documentation.
What does the "HM3" suffix indicate in SMBJ6.0AHM3_B/I?
The "HM3" suffix in SMBJ6.0AHM3_B/I denotes halogen-free, RoHS-compliant construction with AEC-Q101 qualification. Specifically, "H" indicates AEC-Q101 qualification, "M" signifies halogen-free molding compound, and "3" confirms RoHS compliance. This distinguishes it from "E3" (RoHS only) and "HE3" (AEC-Q101 + RoHS, but not halogen-free) variants. The SMBJ6.0AHM3_B/I thus satisfies stringent environmental and reliability requirements for modern automotive platforms.
Can SMBJ6.0AHM3_B/I be used in bidirectional configurations?
No, SMBJ6.0AHM3_B/I is a unidirectional TVS diode, as indicated by the absence of "CA" in its part number and its cathode band marking. Bidirectional operation requires the "CA" suffix (e.g., SMBJ6.0CA). Using SMBJ6.0AHM3_B/I in reverse-biased configurations risks permanent damage due to lack of symmetrical breakdown characteristics. For bidirectional protection, select the correctly designated CA variant instead of the SMBJ6.0AHM3_B/I.
What is the thermal resistance and recommended PCB layout for SMBJ6.0AHM3_B/I?
The SMBJ6.0AHM3_B/I has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on minimum recommended pads. Vishay specifies 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal to achieve this rating. Reducing pad area increases RθJA, degrading surge power handling and accelerating thermal failure. The SMBJ6.0AHM3_B/I must be placed with adequate copper pour and avoid nearby heat sources to maintain safe junction temperatures during repetitive surge events.
SMBJ6.0AHM3_B/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:
- 1
- Bidirectional Channels:
- -
- 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)
SMBJ6.0AHM3_B/I FAQ
1.How can I place an order for SMBJ6.0AHM3_B/I through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ6.0AHM3_B/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 SMBJ6.0AHM3_B/I reliable?
The price and inventory of SMBJ6.0AHM3_B/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBJ6.0AHM3_B/I is usually 5 days.
3.What payment methods are accepted for SMBJ6.0AHM3_B/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ6.0AHM3_B/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ6.0AHM3_B/I?
SMBJ6.0AHM3_B/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ6.0AHM3_B/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 SMBJ6.0AHM3_B/I?
For technical support, including SMBJ6.0AHM3_B/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ6.0AHM3_B/I requirements.
6.How does Aetrix verify that SMBJ6.0AHM3_B/I is sourced from the original manufacturer or authorized distributors?
All SMBJ6.0AHM3_B/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 SMBJ6.0AHM3_B/I meets industry standards.
7.What is the process for return or replacement of SMBJ6.0AHM3_B/I?
All SMBJ6.0AHM3_B/I units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ6.0AHM3_B/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 SMBJ6.0AHM3_B/I part is unused and in its original packaging.
Return procedure for SMBJ6.0AHM3_B/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ6.0AHM3_B/I Tags
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