Vishay General Semiconductor - Diodes Division SMAJ6.0A-E3/61
- Part No.:
- SMAJ6.0A-E3/61
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMAJ6.0A-E3/61.pdf
- Description:
- TVS DIODE 6VWM 10.3VC DO214AC
- Quantity:
- Payment:

- Shipping:

Inventory:14,248
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Product details
Overview
SMAJ6.0A-E3/61 from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMA (DO-214AC) package, designed for clamping 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, 400 W peak pulse power (10/1000 μs), and clamps to ≤10.3 V at 38.8 A peak surge current - ideal for protecting MOSFET gates and microcontroller I/O in automotive body electronics.
For engineers reviewing the SMAJ6.0A-E3/61 datasheet, SMAJ6.0A-E3/61 pinout, SMAJ6.0A-E3/61 application, or SMAJ6.0A-E3/61 equivalent, key selection criteria include unidirectional polarity, 10.3 V clamping voltage at rated IPPM, 800 μA max reverse leakage at 6.0 V, and AEC-Q101 qualification eligibility via HE3 suffix variants.
Technical Context
This TVS diode operates as a voltage-clamping protection device triggered by transient overvoltage events exceeding its VWM. Its glass-passivated junction enables fast response (<1 ps) and low incremental surge resistance, ensuring robust suppression of ESD, inductive switching spikes, and lightning-induced surges.
The SMAJ6.0A-E3/61 uses a single-junction PN structure with cathode band marking, rated for -55 °C to +150 °C operation and compliant with MSL Level 1 (260 °C reflow). Its thermal resistance (RθJA = 120 °C/W) assumes mounting on 0.2" × 0.2" copper pads per terminal.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 6.0 V - maximum continuous reverse operating voltage before clamping begins |
| VBR (min/max) | 6.67 V / 7.37 V at 10 mA - ensures reliable turn-on above normal operating voltage with margin |
| VC @ IPPM | ≤10.3 V at 38.8 A - defines worst-case clamped voltage seen by protected circuitry |
| IPPM | 38.8 A - peak surge current capability under standardized 10/1000 μs waveform |
| ID @ VWM | ≤800 μA - low leakage preserves signal integrity and minimizes standby power loss |
| PPPM | 400 W - transient energy absorption capacity without degradation |
| TJ max | +150 °C - supports operation in under-hood automotive and industrial environments |
Pinout & Package
Package: SMA (DO-214AC), surface-mount, molded plastic case with matte tin-plated leads. 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 > VBR |
| Anode (unbanded end) | Reference node | Typically tied to system ground or lower-potential rail; completes clamping path |
Key Features
| Feature | Design Value |
|---|---|
| 400 W peak pulse power (10/1000 μs) | Handles high-energy transients from load dump or relay coil decay without failure |
| Low clamping ratio (VC/VBR ≈ 1.44) | Minimizes overvoltage stress on downstream ICs during clamping event |
| MSL Level 1 moisture sensitivity | Enables standard SMT reflow without baking or special handling |
| Glass passivated junction | Ensures stable VBR and low leakage across temperature and lifetime |
| RoHS-compliant, halogen-free option available | Meets environmental compliance requirements for global automotive and industrial markets |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Digital Input Protection |
|---|---|
Use Scenario: Protecting 5 V sensor supply lines against load dump and alternator ripple in vehicle door modules. IC Role / Device Role / Timing Role: Unidirectional TVS clamping transient overvoltage before it reaches LDO regulators and MCU analog inputs. Use Value: Prevents latch-up or permanent damage to 5 V rail components during ISO 7637-2 Pulse 5a events. |
Use Scenario: Safeguarding 24 V digital input channels from inductive kickback when solenoids or relays de-energize. IC Role / Device Role / Timing Role: Fast-acting voltage clamp placed between field input and optocoupler input stage. Use Value: Limits voltage to ≤10.3 V, keeping optocoupler LED forward voltage within safe operating range. |
| USB Port ESD Protection (VCONN Line) | DC-DC Converter Feedback Path Protection |
Use Scenario: Shielding USB-C VCONN line (typically 5 V) from contact ESD per IEC 61000-4-2 ±15 kV. IC Role / Device Role / Timing Role: Primary front-end TVS on VCONN, placed adjacent to connector to minimize trace inductance. Use Value: Sub-100 ps response time ensures clamping occurs before ESD pulse couples into controller IC. |
Use Scenario: Securing resistive feedback divider of isolated 12 V → 3.3 V flyback converter against output overvoltage faults. IC Role / Device Role / Timing Role: Clamping device across upper feedback resistor to prevent erroneous regulation during transient overvoltage. Use Value: Maintains regulation accuracy by limiting feedback node voltage to ≤10.3 V during fault conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ6.0A-M3/61 | Halogen-free, RoHS-compliant variant with identical electrical specs and package | No functional difference; selected where halogen-free materials are mandated | Choose for compliance-driven industrial or automotive programs requiring halogen-free BOMs |
| SMAJ6.0AHE3_A | AEC-Q101 qualified version; same VWM, VBR, VC, and PPPM; enhanced reliability testing | Required for automotive safety-critical subsystems (e.g., ADAS sensors, lighting control) | Specify when automotive qualification and extended lifetime validation are mandatory |
Compared with SMAJ6.0A-E3/61, the M3 variant adds halogen-free compliance without performance trade-offs, while the HE3 variant delivers AEC-Q101 qualification for automotive use - neither offers pin-to-pin replacement beyond shared SMA package and unidirectional function.
Availability
SMAJ6.0A-E3/61 is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC input stages, and consumer USB interface protection requiring stable component supply and full traceability.
Supply support for SMAJ6.0A-E3/61 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 performance.
The SMAJ series targets board-level transient protection in space-constrained designs, delivering high-power TVS performance in the compact SMA package for automotive, industrial, and computing applications.
FAQ
What is the clamping voltage of SMAJ6.0A-E3/61 at its rated peak pulse current?
The SMAJ6.0A-E3/61 clamps to a maximum of 10.3 V at its rated peak pulse current of 38.8 A (10/1000 μs waveform). This value is specified in the Vishay datasheet Document Number 88390, page 2, and defines the upper voltage limit imposed on protected circuits during surge events. The clamping voltage directly determines stress on downstream components like MCUs or gate drivers.
Is SMAJ6.0A-E3/61 suitable for bidirectional transient protection?
No, SMAJ6.0A-E3/61 is a unidirectional TVS diode, as indicated by the "A" suffix and cathode band marking. For bidirectional protection, the SMAJ6.0CA variant must be used. The unidirectional configuration allows lower leakage and optimized clamping in DC-biased applications such as 5 V power rails or signal lines referenced to ground.
What is the maximum reverse leakage current for SMAJ6.0A-E3/61 at its stand-off voltage?
The SMAJ6.0A-E3/61 exhibits a maximum reverse leakage current (ID) of 800 μA at its 6.0 V stand-off voltage (VWM), measured at 25 °C. This low leakage ensures minimal impact on power efficiency and signal integrity in always-on or battery-powered systems where quiescent current matters.
Does SMAJ6.0A-E3/61 meet automotive qualification standards?
The base SMAJ6.0A-E3/61 is commercial-grade and not AEC-Q101 qualified. However, the pin-compatible SMAJ6.0AHE3_A variant is fully AEC-Q101 qualified and shares identical electrical parameters. Automotive programs requiring qualification should specify the HE3 suffix version, which undergoes extended reliability testing per JESD22 and AEC stress requirements.
What PCB pad layout is recommended for optimal thermal performance of SMAJ6.0A-E3/61?
Vishay specifies a minimum 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pad area per terminal for SMAJ6.0A-E3/61 to achieve its rated 400 W peak pulse power. Smaller pads reduce thermal dissipation and derate both power handling and surge current capability. The datasheet (page 1) confirms this layout is required to meet the 120 °C/W RθJA specification.
SMAJ6.0A-E3/61 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AC, SMA
- 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):
- 38.8A
- Power - Peak Pulse:
- 400W
- 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-214AC (SMA)
SMAJ6.0A-E3/61 FAQ
1.How can I place an order for SMAJ6.0A-E3/61 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMAJ6.0A-E3/61 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 SMAJ6.0A-E3/61 reliable?
The price and inventory of SMAJ6.0A-E3/61 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMAJ6.0A-E3/61 is usually 5 days.
3.What payment methods are accepted for SMAJ6.0A-E3/61?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMAJ6.0A-E3/61 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMAJ6.0A-E3/61?
SMAJ6.0A-E3/61 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMAJ6.0A-E3/61 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 SMAJ6.0A-E3/61?
For technical support, including SMAJ6.0A-E3/61 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMAJ6.0A-E3/61 requirements.
6.How does Aetrix verify that SMAJ6.0A-E3/61 is sourced from the original manufacturer or authorized distributors?
All SMAJ6.0A-E3/61 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 SMAJ6.0A-E3/61 meets industry standards.
7.What is the process for return or replacement of SMAJ6.0A-E3/61?
All SMAJ6.0A-E3/61 units undergo pre-shipment inspection (PSI). If there is an issue with SMAJ6.0A-E3/61, 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 SMAJ6.0A-E3/61 part is unused and in its original packaging.
Return procedure for SMAJ6.0A-E3/61:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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