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Bourns SMF4L78A-Q 1-Element Uni-Directional TVS Diode 400 W 2-Pin SOD-123 SMF4L78A-Q
Specifications
| Country of Origin | India |
|---|---|
| Brand | Bourns |
| Height | 0.22mm |
| Length | 0.27mm |
| Model | SMF4L78A-Q |
| Width | 0.25mm |
| Mount Type | Surface |
| Series | SMF |
| Maximum Operating Temperature | 150°C |
| Package Type | SOD-123 |
| Minimum Operating Temperature | -55°C |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Clamping Voltage VC | 78V |
| Automotive Standard | AEC-Q101 |
| Diode Configuration | Single |
| Direction Type | Uni-Directional |
| Minimum Breakdown Voltage Vbr | 95.8V |
| Maximum Reverse Stand-off Voltage Vwm | 85V |
| Peak Pulse Power Dissipation Pppm | 400W |
| Test Current It | 1mA |
| Maximum Reverse Leakage Current | 1μA |
| Standoff Voltage | 5 to 85 volts |
Key Features
- This diode has a minimum breakdown voltage of 95.8 V.
- It supports a maximum reverse stand-off voltage of 85 V.
- The clamping voltage is rated at 78 V for effective voltage suppression.
- Designed with a single diode configuration and uni-directional operation.
- Comes in a compact surface mount SOD-123 package suitable for automated assembly.
- Operating temperature ranges from -55°C to a maximum of 150°C.
- Features an automotive AEC-Q101 standard ensuring quality and reliability.
- Minimum operating test current is 1 mA with maximum reverse leakage current of 1 μA.
Product Description
Bourns SMF4L78A-Q is a single-element uni-directional Transient Voltage Suppressor (TVS) diode designed for transient and electrostatic discharge protection. It features a peak pulse power dissipation capability of 400 W in a compact 2-Pin SOD-123 surface-mount package, making it suitable for high-density PCB layouts.
This TVS diode is engineered with a minimum breakdown voltage of 95.8 V, providing robust protection with a maximum reverse stand-off voltage of 85 V. It clamps transient voltages at 78 V, quickly diverting surges to ground to protect sensitive components.
The device supports operation across a wide temperature range from -55°C to 150°C, making it suitable for demanding automotive and industrial environments. It meets the automotive standard AEC-Q101, ensuring durability and performance in automotive applications.
Its compact dimensions of 0.27 mm length, 0.25 mm width, and 0.22 mm height enable efficient PCB space utilization. The uni-directional single diode configuration simplifies circuit design for polarity-sensitive transient protection.
Applications include surge and ESD protection for power and signal lines in consumer electronics, automotive systems, industrial controls, and telecommunications equipment. The device is compliant with JEDEC standards and is easily assembled using standard pick-and-place equipment.
This diode has a minimum breakdown voltage of 95.8 V. Maximum reverse stand-off voltage is 85 V. Peak pulse power dissipation of 400 W ensures robust transient suppression. Compact surface mount SOD-123 package. Uni-directional single diode configuration.
Operating temperature from -55°C to 150°C. Automotive grade with AEC-Q101 certification. Maximum reverse leakage current of 1 μA. Test current of 1 mA. Height: 0.22 mm; Width: 0.25 mm; Length: 0.27 mm.
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Frequently Asked Questions
This model has a peak pulse power dissipation capability of 400 W, allowing it to effectively suppress transient voltages.
The minimum breakdown voltage is rated at 95.8 V, providing robust protection against voltage spikes.
The clamping voltage is rated at 78 V, which helps in effectively diverting surges to ground.
It operates within a temperature range of -55°C to a maximum of 150°C, making it suitable for various environments.
This model comes in a compact SOD-123 surface mount package, which is suitable for automated assembly.
This diode features a single-element configuration, designed for uni-directional operation.
It meets the automotive AEC-Q101 standard, ensuring quality and reliability in automotive applications.
The minimum operating test current is 1 mA, which is necessary for proper functionality during testing.
The dimensions are 0.27 mm in length, 0.25 mm in width, and 0.22 mm in height, allowing for efficient PCB space utilization.
This diode is suitable for surge and ESD protection in power and signal lines across consumer electronics, automotive systems, and telecommunications equipment.
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