A1458 Optocoupler Datasheet __hot__

The is one of the most important specifications in any optocoupler datasheet. It is defined as the ratio of the output transistor's collector current to the input LED's forward current, expressed as a percentage. A CTR of 15% to 30% means that for a given input current, the output will sink a current that is 15% to 30% of that value. This is a key parameter for ensuring the optocoupler can properly drive the input of the following logic gate or microcontroller.

Optocouplers are essential components in modern electronics, providing electrical isolation between low-power control circuits and high-voltage power systems. Among the various options available to engineers, the (often associated with high-performance optoelectronic devices from manufacturers like Broadcom/Avago) stands out for its reliability and speed. a1458 optocoupler datasheet

When a 5V microcontroller needs to control a 12V or 24V industrial relay, direct connection risks blowing out the MCU if the relay coils kick back high inductive voltages. The is one of the most important specifications

– Try searching exact string: "A1458" optocoupler datasheet on DatasheetArchive, Alldatasheet, Octopart, Mouser, DigiKey , or manufacturer sites (ON Semi, Vishay, Broadcom). This is a key parameter for ensuring the

: Many variants (like the Broadcom version) are hermetically sealed in SOP-8 packages to protect internal components from moisture and environmental contaminants, crucial for military or aerospace use. Low Power Requirement : Designed for low input forward current ( cap I sub cap F )—typically

) of 1.2 mA, it is highly efficient, making it ideal for low-power, high-density circuits.

The HCPL-A1458 (SOP-8 package) typically follows this pin configuration: (No Connect) Anode (Input LED) Cathode (Input LED) NC (No Connect) GND (Output Ground) VOcap V sub cap O (Output Voltage) VCcap V sub cap C (Output Supply Voltage) VDDcap V sub cap D cap D end-sub (Output Supply Voltage) 3. Key Applications