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Vishay General Semiconductor - Diodes Division SMA6J6.0A-M3/61
- Part No.:
- SMA6J6.0A-M3/61
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMA6J6.0A-M3/61.pdf
- Description:
- TVS DIODE 6VWM 9.5VC DO214AC
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
SMA6J6.0A-M3/61 from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMA (DO-214AC) package, designed for clamping transient overvoltages on power and signal lines. It features a 6.0 V stand-off voltage (VWM), 6.7–7.41 V breakdown voltage (VBR at 10 mA), 9.5 V maximum clamping voltage (VC) at 63.2 A (10/1000 μs), 600 W peak pulse power (10/1000 μs), and operates from –55 °C to +150 °C junction temperature - deployed for protecting MOSFETs and ICs in industrial power supplies.
For engineers reviewing the SMA6J6.0A-M3/61 datasheet, SMA6J6.0A-M3/61 pinout, SMA6J6.0A-M3/61 application, or SMA6J6.0A-M3/61 equivalent, key selection criteria include clamping voltage margin vs. protected device's absolute maximum rating, unidirectional polarity compatibility with DC-biased lines, thermal resistance (RθJA = 120 °C/W), M3 halogen-free RoHS compliance, and 5.0 mm × 5.0 mm PCB pad layout requirements.
Technical Context
This TVS diode operates as a voltage-clamped crowbar during transients: it remains high-impedance below VWM (6.0 V), avalanches sharply at VBR (min 6.7 V), and limits line voltage to ≤9.5 V under 63.2 A surge (10/1000 μs). Its dynamic resistance (RD = 0.033 Ω) ensures low clamping overshoot, while the 120 °C/W junction-to-ambient thermal resistance mandates defined copper pad area for sustained 4 W dissipation at TA = 50 °C.
The device is strictly unidirectional, with cathode marked by a band; it does not conduct in reverse bias until breakdown, and exhibits 600 μA max leakage at VWM. It meets J-STD-020 MSL Level 1 (260 °C reflow peak) and JESD201 Class 2 whisker resistance, confirming suitability for automated SMT assembly in industrial-grade applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 6.0 V - Maximum continuous reverse voltage before significant leakage; sets operating margin below protected circuit's max rating. |
| VBR (Breakdown Voltage) | 6.7–7.41 V at 10 mA - Confirmed avalanche initiation range; determines minimum overvoltage threshold for clamping activation. |
| VC (Clamping Voltage) | 9.5 V at 63.2 A (10/1000 μs) - Peak line voltage seen by downstream IC/MOSFET during standardized surge; must be < device's absolute max rating. |
| PPPM (10/1000 μs) | 600 W - Surge energy handling capacity under long-duration transients (e.g., inductive switch-off); defines PCB copper pad sizing (5.0 mm × 5.0 mm required). |
| RθJA | 120 °C/W - Junction-to-ambient thermal resistance; requires defined pad area and ambient derating above 25 °C for reliable 4 W continuous dissipation. |
| Polarity | Unidirectional - Cathode-band oriented toward positive rail; only protects against positive-going transients on DC-biased lines. |
| Package | SMA (DO-214AC) - Surface-mount outline with 2.54 mm lead pitch; compatible with standard SMT pick-and-place and reflow profiles (MSL Level 1). |
Pinout & Package
SMA6J6.0A-M3/61 uses the SMA (DO-214AC) package: molded plastic case with matte tin-plated leads, cathode identified by a color band. Dimensions are 4.50 mm × 2.79 mm × 2.20 mm (L × W × H), with 0.152 mm minimum lead thickness and 2.54 mm lead spacing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current return path | Connected to ground or low-side reference; carries full surge current during clamping event. |
| Cathode | Protected line connection | Connected to line being protected (e.g., VDD, signal trace); voltage referenced to anode during clamping. |
Key Features
| Feature | Design Value |
|---|---|
| Halogen-free, RoHS-compliant construction (M3 suffix) | Meets IEC 61249-2-21 and JEDEC J-STD-201 Class 2 whisker resistance; suitable for environmentally regulated industrial production. |
| Low-profile SMA package with MSL Level 1 rating | Enables high-density PCB layouts and compatibility with standard 260 °C Pb-free reflow without moisture sensitivity concerns. |
| 600 W peak pulse power (10/1000 μs) | Provides robust protection against common inductive switching transients (e.g., relay coil de-energization) without requiring external series impedance. |
| 120 °C/W junction-to-ambient thermal resistance | Defines thermal design boundary: requires 5.0 mm × 5.0 mm copper pads per terminal to sustain 4 W dissipation at 50 °C ambient. |
| 0.033 Ω dynamic resistance (RD) | Minimizes clamping voltage overshoot during fast-rising surges, improving protection margin for sensitive 3.3 V or 5 V logic interfaces. |
Applications
| Industrial Power Supply Protection | Automotive Body Control Module (BCM) Inputs |
|---|---|
|
Use Scenario: Protecting 12 V input rails of programmable logic controllers (PLCs) against load dump and inductive kickback from solenoid drivers. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed between input rail and chassis ground, activated within nanoseconds of overvoltage onset. Use Value: Limits rail voltage to ≤9.5 V during 63.2 A transients, preventing damage to upstream DC-DC converters and microcontrollers rated for 16 V absolute max. |
Use Scenario: Safeguarding LIN bus receiver inputs in BCMs exposed to battery voltage spikes during jump-start or alternator load dump. IC Role / Device Role / Timing Role: Standoff-rated TVS on LIN signal line (biased at ~12 V), conducting only during positive transients exceeding 6.0 V. Use Value: Maintains signal integrity by clamping spikes to 9.5 V while adding <1 pF capacitance, avoiding distortion of 20 kbps LIN waveforms. |
| Consumer Appliance Motor Drive Circuits | Telecom Power Entry Protection |
|
Use Scenario: Shielding gate drivers and bootstrap circuits in BLDC motor inverters from commutation-induced voltage spikes. IC Role / Device Role / Timing Role: Localized TVS on high-side gate supply rail, placed adjacent to driver IC to minimize loop inductance. Use Value: Absorbs 600 W surges with sub-10 ns response, preventing false turn-on or oxide breakdown in 600 V MOSFETs with 10 V gate max rating. |
Use Scenario: Primary-level surge suppression on 48 V DC telecom power feeds entering base station cabinets. IC Role / Device Role / Timing Role: First-stage unidirectional clamp on input rail, coordinated with MOVs and fuses for multi-level protection. Use Value: Handles repetitive 63.2 A transients without degradation, enabling compliance with IEC 61000-4-5 Level 3 (1 kV/2 Ω) test 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 |
|---|---|---|---|
| SMA6J6.0A-E3/61 | Same electrical specs and SMA package; E3 suffix indicates standard RoHS-compliant (non-halogen-free) construction. | Approved for general industrial use where halogen-free mandate is not enforced; lacks JESD201 Class 2 whisker certification. | Select SMA6J6.0A-E3/61 when environmental compliance requirements do not specify halogen-free materials. |
| SMCJ6.0A-M3 | Same VWM/VBR/VC ratings but in larger SMC (DO-214AB) package; higher PPPM (1500 W @ 10/1000 μs) and lower RθJA (50 °C/W). | Used where higher surge energy (e.g., >1000 W) or improved thermal performance is required; occupies more PCB area. | Choose SMCJ6.0A-M3 when system-level surge testing exceeds 600 W or board layout allows larger footprint for enhanced reliability. |
Compared with SMA6J6.0A-E3/61, the SMA6J6.0A-M3/61 adds halogen-free and whisker-resistant qualification for stricter environmental programs; versus SMCJ6.0A-M3, it trades surge capacity and thermal performance for space-constrained designs where 600 W clamping suffices.
Availability
SMA6J6.0A-M3/61 is available at Aetrix Electronics and suitable for industrial power supplies, automotive body control modules, consumer appliance motor drives, and telecom power entry circuits requiring stable component supply with halogen-free compliance and MSL Level 1 assembly support.
Supply support for SMA6J6.0A-M3/61 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, TVS devices, and optoelectronics with emphasis on reliability, precision, and application-specific optimization.
The SMA6J6.0A-M3/61 belongs to Vishay's TRANSZORB® family of transient suppressors, engineered for robust, low-clamping protection of DC power rails and signal lines in harsh industrial and automotive environments.
FAQ
What is the clamping voltage of SMA6J6.0A-M3/61 at 63.2 A?
The SMA6J6.0A-M3/61 has a maximum clamping voltage (VC) of 9.5 V when subjected to a 10/1000 μs surge current of 63.2 A. This value is measured under standardized test conditions with specified PCB mounting (5.0 mm × 5.0 mm copper pads per terminal) and confirms the device's ability to limit transient overvoltage to a safe level for downstream 5 V or 12 V components. The SMA6J6.0A-M3/61 achieves this with a dynamic resistance of 0.033 Ω.
Is SMA6J6.0A-M3/61 suitable for bidirectional transient protection?
No, SMA6J6.0A-M3/61 is a unidirectional TVS diode and provides protection only against positive-going transients on DC-biased lines. It does not suppress negative excursions - for bidirectional protection, a dedicated bidirectional part such as SMA6J6.0CA-M3/61 would be required. The cathode band on the SMA6J6.0A-M3/61 package must be oriented toward the positive side of the protected circuit.
What does the "M3" suffix indicate in SMA6J6.0A-M3/61?
"M3" denotes halogen-free, RoHS-compliant construction meeting IEC 61249-2-21 and passing JESD201 Class 2 whisker testing. Unlike the E3 variant, SMA6J6.0A-M3/61 contains no brominated flame retardants or chlorine-based compounds, making it compliant with stringent environmental regulations for industrial and automotive applications. The M3 suffix also confirms matte tin plating and solderability per J-STD-002.
Can SMA6J6.0A-M3/61 be used in place of SMA6J6.0A-E3/61 without layout changes?
Yes - SMA6J6.0A-M3/61 and SMA6J6.0A-E3/61 share identical electrical specifications, SMA (DO-214AC) package dimensions, pinout, and thermal profile. They are mechanically and electrically interchangeable on the same PCB footprint. The only differences are material composition (halogen-free vs. standard RoHS) and whisker resistance certification; no layout or schematic modifications are needed when substituting SMA6J6.0A-M3/61 for SMA6J6.0A-E3/61.
What is the maximum continuous power dissipation of SMA6J6.0A-M3/61 at 50 °C ambient?
The SMA6J6.0A-M3/61 has a maximum power dissipation (PD) of 4.0 W at TA = 50 °C, derated linearly above that temperature per Figure 2 in the datasheet. This rating assumes mounting on PCB pads per specification: 5.0 mm × 5.0 mm copper area per terminal. At 25 °C ambient, PD rises to ~5.3 W; at 70 °C, it drops to ~2.7 W. Exceeding this limit risks thermal runaway and permanent degradation of the SMA6J6.0A-M3/61.
SMA6J6.0A-M3/61 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):
- 6.7V
- Voltage - Clamping (Max) @ Ipp:
- 9.5V
- Current - Peak Pulse (10/1000µs):
- 63.2A
- 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-214AC (SMA)
SMA6J6.0A-M3/61 FAQ
1.How can I place an order for SMA6J6.0A-M3/61 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMA6J6.0A-M3/61 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 SMA6J6.0A-M3/61 reliable?
The price and inventory of SMA6J6.0A-M3/61 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMA6J6.0A-M3/61 is usually 5 days.
3.What payment methods are accepted for SMA6J6.0A-M3/61?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMA6J6.0A-M3/61 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMA6J6.0A-M3/61?
SMA6J6.0A-M3/61 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMA6J6.0A-M3/61 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 SMA6J6.0A-M3/61?
For technical support, including SMA6J6.0A-M3/61 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMA6J6.0A-M3/61 requirements.
6.How does Aetrix verify that SMA6J6.0A-M3/61 is sourced from the original manufacturer or authorized distributors?
All SMA6J6.0A-M3/61 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 SMA6J6.0A-M3/61 meets industry standards.
7.What is the process for return or replacement of SMA6J6.0A-M3/61?
All SMA6J6.0A-M3/61 units undergo pre-shipment inspection (PSI). If there is an issue with SMA6J6.0A-M3/61, 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 SMA6J6.0A-M3/61 part is unused and in its original packaging.
Return procedure for SMA6J6.0A-M3/61:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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