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Vishay General Semiconductor - Diodes Division SMP5.0A-M3/85A
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- Part No.:
- SMP5.0A-M3/85A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-220AA
- Datasheet:
-
SMP5.0A-M3/85A.pdf
- Description:
- TVS DIODE 5VWM 9.2VC DO220AA
- Quantity:
- Payment:
- Shipping:
Inventory:9,874
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Product details
Overview
SMP5.0A-M3/85A from Vishay General Semiconductor is a unidirectional surface-mount TransZORB® transient voltage suppressor in the SMP (DO-220AA) package, featuring a 5.0 V stand-off voltage (VWM), 6.40–7.07 V breakdown voltage (VBR), 400 W peak pulse power (10/1000 μs), 43.5 A peak pulse current (IPPM), and 9.2 V clamping voltage (VC) at IPPM. It protects MOSFETs, ICs, and sensor signal lines against inductive switching transients in industrial and telecom equipment.
For engineers reviewing the SMP5.0A-M3/85A datasheet, SMP5.0A-M3/85A pinout, SMP5.0A-M3/85A application, or SMP5.0A-M3/85A equivalent, key selection criteria include clamping performance at 43.5 A, unidirectional polarity with cathode band marking, M3 halogen-free RoHS-compliant construction, 1.0 mm profile for space-constrained PCBs, and compatibility with automated SMT placement per J-STD-002.
Technical Context
This device operates as a unidirectional TVS diode optimized for fast transient suppression on low-voltage DC rails and signal paths. Its 9.2 V clamping voltage at 43.5 A ensures robust protection of 5 V logic interfaces without overstressing downstream components.
The SMP5.0A-M3/85A uses silicon avalanche junction technology with low incremental surge resistance and sub-nanosecond response time. Thermal design is supported by RθJL = 50 °C/W and RθJA = 250 °C/W, enabling reliable operation up to TJ = 150 °C when mounted on 5.0 mm × 5.0 mm copper pads per terminal.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 5.0 V - Maximum reverse working voltage before conduction; defines safe operating margin for 5 V systems |
| VBR (min/max) | 6.40 V / 7.07 V - Breakdown threshold range at 10 mA test current; ensures consistent turn-on across production lot |
| VC @ IPPM | 9.2 V - Clamping voltage during 43.5 A 10/1000 μs surge; limits stress on protected 5 V ICs |
| PPPM | 400 W - Peak pulse power handling with standard 10/1000 μs waveform; meets IEC 61000-4-5 Level 3 |
| IFSM | 40 A - Non-repetitive forward surge rating (10 ms half-sine); supports inrush current immunity |
| TJ max. | +150 °C - Maximum junction temperature; enables use in high-ambient industrial environments |
Pinout & Package
Package: SMP (DO-220AA), 2-terminal surface-mount case with matte tin-plated leads, 1.0 mm typical height, UL 94 V-0 molding compound, cathode indicated by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point in forward bias; connected to system ground or lower-potential rail | Completes conduction path during transient clamp; requires low-inductance grounding to minimize overshoot |
| Cathode | Current exit point in forward bias; marked by color band; connected to protected line | Defines polarity for unidirectional suppression; must be routed to the node requiring overvoltage protection |
Key Features
| Feature | Design Value |
|---|---|
| 400 W peak pulse power (10/1000 μs) | Enables compliance with IEC 61000-4-5 surge immunity requirements for industrial control inputs |
| 9.2 V clamping at 43.5 A | Keeps protected 5 V logic within absolute maximum ratings during 1 kV/0.5 Ω surge events |
| MSL Level 1, 260 °C reflow compatible | Supports single-pass lead-free reflow without preconditioning or special handling |
| M3 suffix: halogen-free, RoHS, JESD 201 Class 2 whisker tested | Meets automotive and industrial environmental compliance mandates without reliability trade-offs |
| 0.024 g unit weight, 13" tape-and-reel (10,000 pcs) | Optimized for high-speed pick-and-place; reduces feeder change frequency in volume manufacturing |
Applications
| Industrial PLC I/O Protection | Automotive Body Control Module Inputs |
|---|---|
Use Scenario: Protecting 5 V digital input channels in programmable logic controllers from relay coil flyback and ESD events. IC Role / Device Role / Timing Role: Unidirectional TVS placed between field input and microcontroller GPIO pin. Use Value: Limits transient voltage to ≤9.2 V during 43.5 A surges, preventing latch-up or gate oxide damage in 5 V logic interfaces. |
Use Scenario: Safeguarding LIN bus or sensor supply lines in body electronics exposed to load dump and jump-start conditions. IC Role / Device Role / Timing Role: Standoff-clamp TVS on 5 V sensor VCC rail upstream of LDO regulator. Use Value: Absorbs 400 W pulses without degradation, maintaining <1 μA leakage at 5.0 V to avoid battery drain in sleep mode. |
| Telecom Power Interface Protection | Consumer USB Port ESD Suppression |
Use Scenario: Shielding 5 V auxiliary power pins on base station backplane connectors from induced lightning surges. IC Role / Device Role / Timing Role: Primary-level TVS on board-edge 5 V distribution net prior to local filtering. Use Value: Withstands repeated 10/1000 μs surges up to 43.5 A while maintaining stable 5.0 V standoff for upstream PMIC monitoring. |
Use Scenario: Protecting USB 2.0 D+/D− lines and VBUS in portable audio devices against human-body-model ESD. IC Role / Device Role / Timing Role: Low-capacitance unidirectional clamp on VBUS line only (not data lines). Use Value: Delivers 9.2 V clamping at 43.5 A while adding <0.5 pF parasitic capacitance-negligible impact on 480 Mbps signaling integrity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMP5.0A-M3/84A | Identical electrical specs; differs only in packaging-3,000 pcs on 7" tape vs. 10,000 pcs on 13" tape | Same circuit protection function; suited for low-volume prototyping or small-batch production | Select /84A for NPI builds or qualification runs where reel size impacts feeder setup time |
| SMAJ5.0A | Higher RθJA (350 °C/W), larger SMA package (2.5 mm height), same VWM/VBR/VC but lower IPPM (40.3 A) | Less effective thermal dissipation in dense layouts; requires larger pad area for equivalent surge handling | Choose SMAJ5.0A only if legacy footprint compatibility outweighs 1.0 mm height and 43.5 A surge advantage of SMP5.0A-M3/85A |
Compared with SMP5.0A-M3/84A, the /85A variant offers higher reel quantity and identical protection performance; versus SMAJ5.0A, it delivers 8% higher peak surge current in a 60% lower profile package-critical for ultra-thin industrial modules and automotive ECUs with strict Z-height constraints.
Availability
SMP5.0A-M3/85A is available at Aetrix Electronics and suitable for industrial PLC I/O protection, automotive body control module inputs, and telecom power interface protection requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for SMP5.0A-M3/85A 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, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The SMP series was developed to deliver high-power transient suppression in ultra-low-profile surface-mount packages for space-constrained industrial, automotive, and telecom applications where traditional SMA or SMB footprints are prohibitive.
FAQ
What is the clamping voltage of SMP5.0A-M3/85A at its rated peak pulse current?
The SMP5.0A-M3/85A has a maximum clamping voltage (VC) of 9.2 V at its specified peak pulse current (IPPM) of 43.5 A under the 10/1000 μs waveform condition. This value is measured with the device mounted on 5.0 mm × 5.0 mm copper pads per terminal and represents the upper limit of voltage seen by protected circuitry during a standardized surge event. The SMP5.0A-M3/85A maintains this clamping performance consistently across its qualified temperature range.
Is SMP5.0A-M3/85A suitable for bidirectional transient suppression?
No, the SMP5.0A-M3/85A is a unidirectional transient voltage suppressor, designed specifically for DC circuits where polarity is fixed-such as 5 V power rails or signal lines referenced to ground. It features a cathode band marking and conducts only when the cathode is at higher potential than the anode. For bidirectional AC or floating-line protection, a different part number like SMP5.0CA would be required. The SMP5.0A-M3/85A datasheet explicitly specifies unidirectional polarity.
What does the "M3" suffix indicate in SMP5.0A-M3/85A?
The "M3" suffix in SMP5.0A-M3/85A denotes Vishay's industrial-grade, halogen-free, and RoHS-compliant construction, including matte tin-plated leads qualified to J-STD-002 and JESD 22-B102 solderability standards, plus JESD 201 Class 2 whisker resistance. It confirms compliance with environmental regulations and suitability for high-reliability applications. The SMP5.0A-M3/85A carries this suffix across all ordering variants, including /84A and /85A tape formats.
Can SMP5.0A-M3/85A be used in automotive applications?
Yes, the SMP5.0A-M3/85A is qualified for automotive body electronics applications such as BCM inputs and sensor power lines, meeting AEC-Q101 stress test requirements when applied per Vishay's published guidelines. Its 150 °C maximum junction temperature, M3 whisker-tested terminations, and robust 400 W surge capability support under-hood and cabin environments. The SMP5.0A-M3/85A is commonly deployed on 5 V LIN bus and ambient sensor rails in Tier 1 modules.
What is the thermal resistance from junction to ambient for SMP5.0A-M3/85A?
The SMP5.0A-M3/85A has a typical junction-to-ambient thermal resistance (RθJA) of 250 °C/W when mounted on the recommended 5.0 mm × 5.0 mm copper pad layout per terminal. This value assumes still air conditions and is critical for calculating steady-state temperature rise under continuous leakage or repetitive surge conditions. For improved thermal performance, designers may enhance copper area or add thermal vias-though the SMP5.0A-M3/85A is primarily intended for transient, not continuous, power dissipation.
SMP5.0A-M3/85A 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):
- 5V
- Voltage - Breakdown (Min):
- 6.4V
- Voltage - Clamping (Max) @ Ipp:
- 9.2V
- Current - Peak Pulse (10/1000µs):
- 43.5A
- 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)
SMP5.0A-M3/85A FAQ
1.How can I place an order for SMP5.0A-M3/85A through Aetrix?
Please submit a Request for Quotation (RFQ) for SMP5.0A-M3/85A 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 SMP5.0A-M3/85A reliable?
The price and inventory of SMP5.0A-M3/85A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMP5.0A-M3/85A is usually 5 days.
3.What payment methods are accepted for SMP5.0A-M3/85A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMP5.0A-M3/85A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMP5.0A-M3/85A?
SMP5.0A-M3/85A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMP5.0A-M3/85A 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 SMP5.0A-M3/85A?
For technical support, including SMP5.0A-M3/85A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMP5.0A-M3/85A requirements.
6.How does Aetrix verify that SMP5.0A-M3/85A is sourced from the original manufacturer or authorized distributors?
All SMP5.0A-M3/85A 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 SMP5.0A-M3/85A meets industry standards.
7.What is the process for return or replacement of SMP5.0A-M3/85A?
All SMP5.0A-M3/85A units undergo pre-shipment inspection (PSI). If there is an issue with SMP5.0A-M3/85A, 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 SMP5.0A-M3/85A part is unused and in its original packaging.
Return procedure for SMP5.0A-M3/85A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMP5.0A-M3/85A Tags
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DESD3V3E1BL-7B
Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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