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Vishay General Semiconductor - Diodes Division SMP6.5A-M3/84A
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- Part No.:
- SMP6.5A-M3/84A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-220AA
- Datasheet:
-
SMP6.5A-M3/84A.pdf
- Description:
- TVS DIODE 6.5VWM 11.2VC DO220AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,790
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Product details
Overview
SMP6.5A-M3/84A from Vishay General Semiconductor is a unidirectional surface-mount TransZORB® transient voltage suppressor in the SMP (DO-220AA) package, featuring a 6.5 V stand-off voltage (VWM), 7.22–7.98 V breakdown voltage (VBR), 400 W peak pulse power (10/1000 μs), 35.7 A peak pulse current (IPPM), and 11.2 V clamping voltage (VC) - designed for protecting MOSFETs, ICs, and sensor signal lines against inductive switching transients in industrial and telecom equipment.
For engineers reviewing the SMP6.5A-M3/84A datasheet, SMP6.5A-M3/84A pinout, SMP6.5A-M3/84A application, or SMP6.5A-M3/84A equivalent, key selection criteria include unidirectional polarity, DO-220AA footprint compatibility, 1.0 mm profile for low-height PCB layouts, M3 halogen-free/RoHS/industrial-grade qualification, and verified 150 °C max junction temperature operation.
Technical Context
This device operates as a unidirectional TVS diode with avalanche breakdown behavior, optimized for fast response to sub-microsecond transients. Its low incremental surge resistance and 11.2 V clamping at 35.7 A ensure effective overvoltage limiting during ESD or load-switching events without latch-up or thermal runaway.
The SMP6.5A-M3/84A uses a planar junction structure in a molded SMP (DO-220AA) case with matte tin-plated leads compliant to J-STD-002 and JESD 22-B102. It meets MSL Level 1 per J-STD-020 and achieves 50 °C/W typical junction-to-lead thermal resistance for reliable power dissipation under repetitive surge conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 6.5 V - maximum reverse operating voltage before conduction begins; sets upper limit for normal circuit bias |
| VBR (min/max) | 7.22 V / 7.98 V at 10 mA - defines guaranteed avalanche onset range for design margining |
| VC @ IPPM | 11.2 V at 35.7 A - clamping voltage during 10/1000 μs surge; determines protected node's worst-case overvoltage |
| PPPM | 400 W - peak pulse power handling capability with standard 10/1000 μs waveform |
| IFSM | 40 A - non-repetitive forward surge rating for 10 ms half-sine, supporting inrush tolerance |
| TJ max. | +150 °C - maximum junction temperature enabling use in high-ambient industrial environments |
| RθJL | 50 °C/W - thermal resistance from junction to lead; informs PCB copper pad sizing for thermal management |
Pinout & Package
Package: SMP (DO-220AA), 2-terminal surface-mount case with cathode band marking; 1.0 mm typical height, 3.61 mm × 2.18 mm body dimensions, 2.54 mm lead pitch; UL 94 V-0 molding compound; M3 suffix denotes halogen-free, RoHS-compliant, industrial-grade construction with JESD 201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal during forward conduction or clamping | Connected to protected line (e.g., signal or power rail); forms low-impedance path to ground when clamping |
| Cathode | Current exit terminal; marked by color band | Typically tied to system ground or low-impedance return path; polarity must be observed to enable unidirectional protection |
Key Features
| Feature | Design Value |
|---|---|
| Very low profile (1.0 mm height) | Enables integration into space-constrained consumer and portable electronics without compromising board stacking height |
| 400 W peak pulse power (10/1000 μs) | Supports robust protection against IEC 61000-4-5 Level 3 surges (1 kV/42 Ω) on 12 V rails |
| Excellent clamping ratio (VC/VBR ≈ 1.45) | Minimizes overvoltage stress on downstream ICs compared to higher-ratio suppressors |
| MSL Level 1, 260 °C reflow compatible | Allows single-pass lead-free soldering without moisture-related popcorning or delamination |
| Matte tin-plated leads | Ensures reliable solder wetting and intermetallic formation per J-STD-002, reducing voiding risk |
Applications
| Industrial Motor Drives | Automotive Body Control Modules |
|---|---|
Use Scenario: Protection of gate drivers and microcontroller I/O pins from flyback voltage spikes generated by relay or solenoid coil de-energization. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed between MOSFET gate and source or across relay coil terminals. Use Value: Limits transient overshoot to ≤11.2 V, preventing gate oxide damage and logic upset in 3.3 V/5 V control circuits. | Use Scenario: Safeguarding LIN bus transceivers and sensor interface lines (e.g., ambient temperature, door position) from battery dump and load-dump events. IC Role / Device Role / Timing Role: Standoff-rated TVS connected between signal line and chassis ground to shunt transients before they reach IC input structures. Use Value: Withstands 400 W surges while maintaining <1 μA leakage at 6.5 V, preserving signal integrity and low-power sleep modes. |
| Telecom Power Supply Inputs | Consumer IoT Sensor Nodes |
Use Scenario: Input-stage protection on 12 V DC-DC converter inputs subjected to lightning-induced surges on long cable runs. IC Role / Device Role / Timing Role: Primary surge suppression element placed upstream of input filter capacitors and controller ICs. Use Value: Clamps 35.7 A pulses at 11.2 V, limiting stress on downstream electrolytic capacitors and PWM controllers during 10/1000 μs threats. | Use Scenario: ESD and EFT protection for analog sensor outputs (e.g., humidity, motion) in battery-powered smart home devices. IC Role / Device Role / Timing Role: Low-capacitance TVS (typ. <100 pF) mounted directly at connector or sensor IC pin to minimize stub inductance. Use Value: 1.0 mm height allows placement adjacent to fine-pitch sensor packages; 6.5 V VWM avoids false triggering during normal 3.3 V rail operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMP6.5A-M3/85A | Same electrical specs; differs only in packaging - 10,000-unit 13" tape-and-reel vs. 3,000-unit 7" reel | Identical functional performance; suited for high-volume automated assembly requiring larger reels | Select based on production volume and SMT line feeder compatibility, not electrical design change |
| SMAJ6.5A | Higher RθJA (350 °C/W vs. 250 °C/W); same VWM/VBR/VC but lower IPPM (33.3 A vs. 35.7 A); SMA package (DO-214AC) vs. SMP (DO-220AA) | Larger footprint (4.3 mm × 2.6 mm vs. 3.6 mm × 2.2 mm); less suitable for ultra-thin or dense layouts | Use SMAJ6.5A only if DO-220AA placement equipment or board height constraints do not apply |
Compared with SMP6.5A-M3/84A, the /85A variant offers identical protection performance in a higher-volume reel format, while SMAJ6.5A trades compactness and thermal efficiency for broader distributor availability and legacy footprint support - making SMP6.5A-M3/84A optimal for new designs prioritizing miniaturization and thermal derating headroom.
Availability
SMP6.5A-M3/84A is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, and telecom power supply inputs requiring stable component supply, consistent M3-grade material compliance, and DO-220AA footprint continuity.
Supply support for SMP6.5A-M3/84A 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, MOSFETs, and optoelectronics with emphasis on reliability, precision, and application-specific optimization.
The SMP series was developed to deliver high-power transient suppression in ultra-low-profile surface-mount packages for next-generation compact power electronics and automotive ECUs - balancing surge robustness, thermal performance, and automated assembly readiness.
FAQ
What is the maximum clamping voltage of the SMP6.5A-M3/84A under a 10/1000 μs surge?
The SMP6.5A-M3/84A has a maximum clamping voltage (VC) of 11.2 V when subjected to its rated peak pulse current of 35.7 A using the standardized 10/1000 μs waveform. This value is measured at the device terminals under specified test conditions (25 °C, 5.0 mm × 5.0 mm copper pads), and represents the highest voltage that will appear across the SMP6.5A-M3/84A during surge conduction - critical for ensuring downstream ICs remain within absolute maximum ratings.
Does the SMP6.5A-M3/84A meet RoHS and halogen-free requirements?
Yes, the SMP6.5A-M3/84A carries the M3 suffix, which certifies it as halogen-free, RoHS-compliant, and qualified for industrial-grade operation. It satisfies JEDEC JESD201 Class 2 whisker resistance testing and adheres to Vishay's material categorization standards per document 99912. These qualifications are fully documented in the official SMP3V3–SMP36A datasheet (Rev. 25-Apr-2022, Doc. #88481), confirming the SMP6.5A-M3/84A meets environmental and reliability mandates for modern electronics manufacturing.
What is the thermal resistance from junction to ambient for the SMP6.5A-M3/84A?
The SMP6.5A-M3/84A has a typical junction-to-ambient thermal resistance (RθJA) of 250 °C/W under standard mounting conditions: 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal on FR-4 PCB. This value assumes no additional heatsinking and is used to estimate steady-state temperature rise under DC leakage or repetitive surge conditions. For improved thermal performance, designers may increase pad area or add internal copper planes - though the SMP6.5A-M3/84A is primarily intended for transient, not continuous, power dissipation.
Can the SMP6.5A-M3/84A be used in bidirectional configurations?
No, the SMP6.5A-M3/84A is strictly unidirectional, as confirmed by its polarity marking (cathode band), datasheet specifications, and electrical characterization. It conducts only when the cathode is biased positively relative to the anode - making it unsuitable for AC line protection or symmetric transient suppression. For bidirectional protection, Vishay offers separate part numbers such as SMBJ6.5CA or SMCJ6.5CA; the SMP6.5A-M3/84A must be applied with correct orientation in DC or single-polarity signal paths.
What is the reverse leakage current of the SMP6.5A-M3/84A at its stand-off voltage?
At the rated stand-off voltage (VWM) of 6.5 V and ambient temperature of 25 °C, the SMP6.5A-M3/84A exhibits a maximum reverse leakage current (ID) of 100 μA. This low leakage ensures minimal power loss and signal interference in always-on or battery-critical applications - such as sensor interfaces or LIN bus nodes - where standby current budget is tightly constrained. Leakage remains well below 1 μA at voltages ≤5.0 V, further enhancing suitability for low-voltage logic protection.
SMP6.5A-M3/84A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-220AA
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 6.5V
- Voltage - Breakdown (Min):
- 7.22V
- Voltage - Clamping (Max) @ Ipp:
- 11.2V
- Current - Peak Pulse (10/1000µs):
- 35.7A
- 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-220AA (SMP)
SMP6.5A-M3/84A FAQ
1.How can I place an order for SMP6.5A-M3/84A through Aetrix?
Please submit a Request for Quotation (RFQ) for SMP6.5A-M3/84A 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 SMP6.5A-M3/84A reliable?
The price and inventory of SMP6.5A-M3/84A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMP6.5A-M3/84A is usually 5 days.
3.What payment methods are accepted for SMP6.5A-M3/84A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMP6.5A-M3/84A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMP6.5A-M3/84A?
SMP6.5A-M3/84A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMP6.5A-M3/84A 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 SMP6.5A-M3/84A?
For technical support, including SMP6.5A-M3/84A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMP6.5A-M3/84A requirements.
6.How does Aetrix verify that SMP6.5A-M3/84A is sourced from the original manufacturer or authorized distributors?
All SMP6.5A-M3/84A 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 SMP6.5A-M3/84A meets industry standards.
7.What is the process for return or replacement of SMP6.5A-M3/84A?
All SMP6.5A-M3/84A units undergo pre-shipment inspection (PSI). If there is an issue with SMP6.5A-M3/84A, 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 SMP6.5A-M3/84A part is unused and in its original packaging.
Return procedure for SMP6.5A-M3/84A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMP6.5A-M3/84A Tags
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