2501 and 817 optocouplers are two common optoelectronic devices, which are mainly used for optoelectronic isolation, signal conditioning, digital to analog conversion and other applications. Their characteristics, performance and application parameters are described below.
2501 Photocoupler
characteristic:
1. High speed response: 2501 optocoupler has fast response time, suitable for processing high-speed signals.
2. Wide operating voltage range: It can adapt to various voltage inputs and has a wide operating voltage range.
3. High withstand voltage capacity: 2501 optocoupler has high CJ78M08 The insulation and withstand voltage performance can effectively isolate high-voltage signals.
4. Low power consumption: It consumes less power during operation, saves energy, and is suitable for long-term stable operation.
5. Small size: small size, easy to integrate in various circuit boards.
Performance:
1. Operating voltage range: usually within 5V to 24V.
2. Maximum operating frequency: up to hundreds of kHz, suitable for high-speed signal transmission.
3. Response time: generally between a few microseconds and tens of microseconds.
4. Insulation and withstand voltage: common products have thousands of volts of insulation and withstand voltage performance.
5. Operating temperature range: usually between - 40 ° C and 85 ° C, suitable for various environmental conditions.
Application parameters:
1. Digital logic isolation: 2501 optocoupler is commonly used for digital signal isolation to protect the receiving end from high-voltage interference.
2. Sensor signal processing: used to isolate and regulate sensor signals to ensure signal stability.
3. Control board interface isolation: it is used to isolate the interface between the control board and external equipment to prevent interference and damage.
4. Data acquisition: 2501 optocoupler can also be used for data acquisition and isolation of signal source.
817 Photocoupler
characteristic:
1. Economical: 817 optocoupler is relatively affordable and suitable for general application scenarios.
2. Wide application: It is widely used in various electronic equipment, such as switching power supply, computer interface, etc.
3. Good stability: 817 optocoupler works stably and has a long service life.
4. Low power consumption: relatively low power consumption, suitable for long-term operation.
5. Easy installation: simple structure and convenient installation.
Performance:
1. Operating voltage range: usually between 3V and 20V.
2. Maximum operating frequency: generally between tens of kHz and tens of kHz.
3. Response time: about ten microseconds to hundreds of microseconds.
4. Insulation and withstand voltage: generally hundreds of volts.
5. Operating temperature range: common products range from - 40 ° C to 85 ° C.
Application parameters:
1. Switching power supply: 817 optocoupler is commonly used in switching power supply circuit to realize isolation of control signal.
2. Analog signal isolation: it can be used for isolation and conditioning of analog signals to ensure signal quality.
3. Automatic control: it is used in automatic control system to ensure stable signal transmission.
4. Motor drive: used in motor control circuit to provide electrical isolation protection.
To sum up, 2501 and 817 optocouplers have their own characteristics, and their performance and application parameters are also different. Users can select suitable optocouplers according to specific needs to meet the requirements of their application scenarios.
