1458 Optocoupler Datasheet |link| Jun 2026

An Arduino (5V logic) needs to switch a 120VAC lamp via a TRIAC. Solution: Use the optocoupler (e.g., MOC3021 – a special TRIAC driver) to bridge the gap. The 1458 is not here; you'd use a dedicated "random phase" optotriac. For DC loads, the 4N35 works perfectly.

Note: Switching times vary with load resistor and transistor biasing. 1458 optocoupler datasheet

In power electronics, such as solar inverters and industrial motor drives, the alternative variant HCPL-A1458 is frequently deployed as a gate driver helper. It safely conveys switching logic from low-voltage controllers to high-voltage IGBT or MOSFET stages. Vital Design and Layout Guidelines An Arduino (5V logic) needs to switch a

Adhering to the absolute maximum ratings in the is crucial to prevent permanent damage to the device: Storage Temperature: -55°C to +125°C Operating Temperature: -40°C to +85°C Supply Voltage ( VCCcap V sub cap C cap C end-sub ): 0 to 7.0 V Input Current ( IINcap I sub cap I cap N end-sub ): Low-level currents specified for logic inputs. Output Voltage ( VOcap V sub cap O ): Max 7.0 V. Applications of the HCPL-1458 Optocoupler For DC loads, the 4N35 works perfectly

(often referred to simply as the 1458 optocoupler) is a high-performance, hermetically sealed high-speed optocoupler

Create a physical barrier void of any copper traces, ground planes, or vias directly beneath the optocoupler package. This zone must stretch from the input pins to the output pins.

The device is standardly housed in an . This design allows it to safely separate high-voltage boundaries while consuming minimal board real estate.