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1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, DIP-8
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
HCPL-3120 by Avago Technologies is an Optocoupler.
Optocoupler are under the broader part category of Optoelectronics.
Optoelectronic components work to detect, generate, and control light. They can essentially produce and/or react to light. Read more about Optoelectronics on our Optoelectronics part category page.
Part # | Distributor | Description | Stock | Price | Buy | |
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Bristol Electronics | 6 |
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RFQ |
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HCPL-3120
Avago Technologies
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Datasheet
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HCPL-3120
Avago Technologies
1 CHANNEL LOGIC OUTPUT OPTOCOUPLER, DIP-8
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Pbfree Code | No | |
Rohs Code | No | |
Part Life Cycle Code | Active | |
Ihs Manufacturer | AVAGO TECHNOLOGIES INC | |
Package Description | DIP-8 | |
Reach Compliance Code | compliant | |
HTS Code | 8541.40.80.00 | |
Samacsys Manufacturer | Avago Technologies | |
Additional Feature | UL RECOGNIZED | |
Configuration | COMPLEX | |
Forward Current-Max | 0.016 A | |
Isolation Voltage-Max | 3750 V | |
JESD-609 Code | e0 | |
Mounting Feature | THROUGH HOLE MOUNT | |
Number of Elements | 1 | |
Number of Functions | 1 | |
Operating Temperature-Max | 100 °C | |
Operating Temperature-Min | -40 °C | |
Optoelectronic Device Type | LOGIC IC OUTPUT OPTOCOUPLER | |
Packing Method | TUBE | |
Power Dissipation-Max | 0.295 W | |
Response Time-Nom | 1e-16 ns | |
Supply Voltage-Min | 15 V | |
Supply Voltage-Nom | 35 V | |
Surface Mount | NO | |
Terminal Finish | TIN LEAD |
This table gives cross-reference parts and alternative options found for HCPL-3120. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of HCPL-3120, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
Part Number | Manufacturer | Composite Price | Description | Compare |
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HCPL-3120 | Hewlett Packard Co | Check for Price | Logic IC Output Optocoupler, 1-Element, 2500V Isolation | HCPL-3120 vs HCPL-3120 |
A good PCB layout for HCPL-3120 involves keeping the input and output circuits separate, using a ground plane, and minimizing the length of the input and output traces. It's also recommended to use a 0.1uF capacitor between VCC and GND pins to filter out noise.
To ensure reliability in high-temperature applications, it's essential to follow the recommended operating temperature range (−40°C to 100°C) and consider the derating of the device's current rating at higher temperatures. Additionally, ensure good thermal management, such as using a heat sink or thermal pad, to keep the junction temperature within the recommended range.
The maximum allowable voltage on the input pins of HCPL-3120 is 5.5V. Exceeding this voltage can cause damage to the device. It's recommended to use voltage limiting resistors or clamping diodes to protect the input pins from overvoltage conditions.
While HCPL-3120 is primarily designed for low-frequency applications, it can be used in high-frequency applications up to 25 kHz. However, the device's performance may degrade at higher frequencies due to internal capacitance and inductance. It's recommended to evaluate the device's performance in the specific application and consider using a faster optocoupler if necessary.
To troubleshoot issues with HCPL-3120, start by verifying the input signal and power supply voltage. Check for proper PCB layout, decoupling, and termination. Use an oscilloscope to measure the input and output waveforms, and verify that the device is operating within the recommended specifications. Consult the datasheet and application notes for guidance on troubleshooting specific issues.