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1.5SMC400A
+BOMTVS, 342V, 1500W Uni
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ManufacturerDiotec Semiconductor
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Mfr. Part #1.5SMC400A
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Datasheet 1.5SMC400A DataSheet
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Package DO-214AB
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In Stock1394
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Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR) |
| Part Status | Active |
| Type | Zener |
| Unidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 342V |
| Voltage - Breakdown (Min) | 380V |
| Voltage - Clamping (Max) @ Ipp | 548V |
| Current - Peak Pulse(10 / 1000µs) | 2.7A |
| Power - Peak Pulse | 1500W (1.5kW) |
| Power Line Protection | No |
| Applications | General Purpose |
| Operating Temperature | -50°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
Overview
Description
Key features of the 1.5SMC400A include:
- Peak Pulse Power: Capable of handling up to 1500 watts of peak pulse power, it can absorb transient energy effectively.
- Voltage Rating: It typically has a standoff voltage of about 400 volts, making it suitable for high-voltage applications.
- Package Style: It comes in a surface-mount DO-214AB (SMC) package, offering ease of integration into circuit designs.
- Response Time: The device provides fast response to surges, often in the sub-nanosecond range, ensuring quick protection.
- Polarity: It is available in both unidirectional and bidirectional configurations, catering to different circuit protection needs.
The 1.5SMC400A is an integral component for safeguarding electronic circuits against potentially damaging voltage transients, ensuring longevity and reliability of the devices it protects.
Equivalent
1. Littelfuse SMCJ400A
2. ON Semiconductor 1.5KE400A
3. Bourns P6SMB400A
4. Vishay 1.5KE400A
5. Diodes Incorporated SMCJ400A
Ensure compatibility through datasheet comparison, as specifications like packaging, breakdown voltage, and power rating should match the application requirements.
Features
1. Power Handling: It can handle a peak pulse power of 1500 watts at a 10/1000 µs waveform, making it suitable for applications requiring robust overvoltage protection.
2. Voltage Rating: The device has a standoff voltage (V_R) of 400V, which is the maximum voltage it can withstand without entering the breakdown region.
3. Response Time: It provides fast response times to overvoltage events, typically in the order of picoseconds, ensuring quick protection for connected circuits.
4. Package Type: The diode is available in a surface-mount DO-214AB (SMC) package, which is compact and suitable for high-density circuit boards.
5. Unidirectional Polarity: It is designed for unidirectional protection, meaning it will only conduct current in one direction when triggered.
6. Operating Temperature: It operates effectively over a wide temperature range, typically from -55°C to +150°C.
7. RoHS Compliant: The device is compliant with Restriction of Hazardous Substances (RoHS) standards, ensuring it is environmentally friendly.
These features make the 1.5SMC400A a reliable choice for safeguarding electronic devices against electrical transients.
Pinout
In terms of pin count, the 1.5SMC400A typically comes in a DO-214AB (SMC) package, which has two pins: an anode and a cathode. This package is designed for surface mounting on a circuit board.
Functionally, the 1.5SMC400A helps in clamping voltage surges and preventing them from damaging downstream components. It operates by redirecting excess voltage away from sensitive components when it exceeds a certain threshold, thereby providing overvoltage protection. This makes it suitable for a variety of applications, including telecommunications, industrial, and consumer electronics, where protection from electrical transients is necessary.
Manufacturer
Another manufacturer of the 1.5SMC400A is STMicroelectronics, a global semiconductor leader delivering a range of semiconductor products, including microcontrollers, sensors, and power management devices. STMicroelectronics serves multiple markets, including industrial, automotive, and personal electronics.
Both Littelfuse and STMicroelectronics are well-established in the electronics industry, providing reliable and high-quality components used worldwide by numerous applications. These companies are recognized for their innovation and contribution to advancing technology through their wide array of products.
Application
1. Telecommunications: Protecting communication lines and equipment.
2. Consumer Electronics: Safeguarding devices like TVs, gaming consoles, and household appliances.
3. Automotive Electronics: Shielding automotive circuitry from voltage transients.
4. Industrial Equipment: Ensuring robust operation of industrial control systems.
5. Power Supplies: Preventing voltage spikes in AC-DC and DC-DC converters.
6. Computing: Protecting PCs and peripherals against electrostatic discharge.
These application areas leverage the diode's ability to clamp excessive voltage and ensure device reliability and longevity.