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Vishay Bi-Directional TVS Diode 3000 W Peak Pulse Power, Surface Mount, DO-214AB Package SMC3K78CAHM3_A/H
Specifications
| Country of Origin | India |
|---|---|
| Brand | Vishay |
| Model | SMC3K78CAHM3_A/H |
| Mount Type | Surface |
| Series | SMC3K |
| Maximum Operating Temperature | 175°C |
| Package Type | DO-214AB (SMC) |
| Minimum Operating Temperature | -55°C |
| Clamping Voltage VC | 126V |
| Automotive Standard | AEC-Q101 |
| Direction Type | Bi-Directional |
| Minimum Breakdown Voltage Vbr | 86.7V |
| Maximum Reverse Stand-off Voltage Vwm | 120V |
| Peak Pulse Power Dissipation Pppm | 3000W |
| Maximum Peak Pulse Current Ippm | 23.8A |
| Maximum Reverse Leakage Current | 1μA |
| Standards/ApprovalsUL 94, RoHS, J-STD-002, JESD 22-B102, ISO 7637-2 | 2011, ISO 16750-2 |
Key Features
- This diode offers bi-directional voltage suppression for sensitive electronic components.
- It features a minimum breakdown voltage of 86.7 V and a maximum reverse stand-off voltage of 120 V.
- The peak pulse current rating is 23.8 A with a clamping voltage of 126 V.
- Suitable for operation over a wide temperature range from -55°C to 175°C.
- Complies with automotive standard AEC-Q101 and multiple international certifications including UL 94 and RoHS.
- Designed for excellent clamping capability and low incremental surge resistance.
- The diode is ideal for protection against voltage transients caused by inductive load switching and lightning.
- Not recommended for PCB bottom side wave mounting and meets MSL level 1 per J-STD-020.
Product Description
Vishay SMC3K78CAHM3_A/H is a bi-directional transient voltage suppressor (TVS) diode designed for protecting sensitive electronics from voltage transients. It features a peak pulse power dissipation of 3000 W with a waveform of 10/1000 μs, making it highly effective in suppressing voltage spikes caused by load switching or lightning strikes in industrial, automotive, telecommunication, consumer, computer, and manufacturing applications.
This device is surface mountable using the DO-214AB (SMC) package and is optimized for bi-directional polarity only. It delivers a minimum breakdown voltage of 86.7 V and sustains a maximum reverse stand-off voltage of 120 V. The maximum peak pulse current rating is 23.8 A, with a clamping voltage of 126 V ensuring excellent voltage suppression performance.
Designed for robust operation, it withstands operating temperatures from -55°C to 175°C, making it suitable for harsh environmental conditions. The diode meets critical standards such as UL 94, RoHS, J-STD-002, JESD 22-B102, ISO 7637-2:2011, and ISO 16750-2, and conforms to automotive quality with AEC-Q101 certification.
Features include very fast response time, low incremental surge resistance, and compliance with moisture sensitivity level 1 according to J-STD-020, allowing operation up to 260 °C during lead-free soldering. It is not recommended for bottom side PCB wave soldering due to package construction limitations.
Bi-Directional polarity for transient voltage protection. 3000 W peak pulse power capability at 10/1000 μs waveform. Excellent clamping effectiveness with quick response time. Wide operating temperature range from -55°C to 175°C.
Automotive AEC-Q101 qualification ensuring reliability in demanding environments. Compliance with multiple international safety and quality standards. Surface mount DO-214AB (SMC) package suitable for modern PCB assembly.
Ideal for consumer electronics, industrial systems, automotive electronics, and telecommunications equipment protection.
This reliable TVS diode from Vishay is a critical component for safeguarding electronic circuits from damage due to voltage spikes and electrostatic discharge (ESD). Buyers can integrate this device confidently in high-performance industrial and automotive electronics requiring peak pulse power dissipation of 3000 W and stringent quality certifications.
Explore Vishay products and TVS Diode options at EnvMart for robust transient voltage suppression solutions.
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Frequently Asked Questions
The peak pulse power dissipation of this diode is 3000 W with a waveform of 10/1000 μs.
The minimum breakdown voltage of this model is 86.7 V.
The maximum reverse stand-off voltage is 120 V.
This model can handle a maximum peak pulse current of 23.8 A.
The clamping voltage of this diode is 126 V.
It operates over a wide temperature range from -55°C to 175°C.
This diode uses a DO-214AB (SMC) package type for surface mounting.
It complies with the automotive standard AEC-Q101.
This diode meets several international certifications including UL 94 and RoHS.
No, it is not recommended for bottom side PCB wave soldering due to its package construction limitations.
The maximum reverse leakage current is 1 μA.
This diode is suitable for protecting sensitive electronics in industrial, automotive, telecommunication, consumer, and computer applications.
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