Rated at 5300 Vrms, protecting sensitive control logic from high-voltage spikes. Power Consumption: Low current draw, with ICCcap I sub cap C cap C end-sub maximum around 1.2 mA. Common Mode Rejection (CMR): Very high immunity to noise ( >50is greater than 50 🛠️ Typical Pin Configuration
Based on recommendations in the and industry best practices: a1458 optocoupler datasheet
Have you used the A1458 in a project? Share your experience or ask a question in the comments below. For more component deep dives, subscribe to our newsletter. Rated at 5300 Vrms, protecting sensitive control logic
Inside the package, pin 1 connects to the LED’s anode, pin 2 to its cathode. The phototransistor sits with its collector on pin 4 and emitter on pin 3. There is no base pin exposed; base current is generated solely by illumination. Share your experience or ask a question in
In the world of electronics, galvanic isolation is a critical requirement for safety, noise immunity, and signal integrity. Optocouplers (also known as opto-isolators) are the backbone of this technology. Among the myriad of components available, the stands out for its specific balance of speed, current transfer ratio, and isolation voltage.
Motor drive inverters, renewable energy systems (solar/wind inverters), and factory automation. Digital Isolation:
| Parameter | Symbol | Conditions | Value | Unit | |-----------|--------|-------------|-------|------| | Isolation Voltage | V_ISO | Ta=25°C, 60Hz, 1 sec | 5,000 | Vrms | | Isolation Resistance | R_IO | V_IO = 500V | 10^12 (min) | Ω | | Isolation Capacitance | C_IO | V_IO = 0V, f=1MHz | 0.8 (typ) | pF |
