1458 Optocoupler Datasheet Jun 2026

, are designed with clock inputs that allow for a for better isolation.

The 1458 optocoupler is widely used in various applications requiring electrical isolation and signal transfer, including:

| Parameter | Symbol | Conditions | Min | Typ | Max | Unit | | :--- | :---: | :--- | :---: | :---: | :---: | :---: | | | | | | | | | | Forward Voltage | $V_F$ | $I_F = 20 \text mA$ | - | 1.2 | 1.4 | V | | Reverse Current | $I_R$ | $V_R = 4 \text V$ | - | - | 10 | $\mu A$ | | Output | | | | | | | | Collector Dark Current | $I_CEO$ | $V_CE = 20 \text V$ | - | - | 100 | nA | | Transfer Characteristics | | | | | | | | Current Transfer Ratio | CTR | $I_F = 5 \text mA, V_CE=5\textV$ | 50* | - | - | % | | Saturation Voltage | $V_CE(sat)$ | $I_F = 20 \text mA, I_C=1\textmA$ | - | 0.1 | 0.2 | V | | Switching Times | | | | | | | | Rise Time | $t_r$ | $V_CC=5\textV, I_C=2\textmA$ | - | 4 | 18 | $\mu s$ | | Fall Time | $t_f$ | $R_L=100 \Omega$ | - | 3 | 18 | $\mu s$ | 1458 optocoupler datasheet

3.0V to 5.5V, offering flexibility for both 3.3V and 5V logic systems. Propagation Delay:

If the HCPL-1458 is unavailable, designers can consider the following similar products: Go to product viewer dialog for this item. , are designed with clock inputs that allow

Connect a current-limiting resistor to the (Pin 1) to set the correct input current from your microcontroller. Connect the Cathode (Pin 2) to your input ground. Connect VCCcap V sub cap C cap C end-sub

This comprehensive guide serves as an expanded, engineering-grade datasheet and application breakdown for the 1458 series optocoupler. Functional Overview Connect a current-limiting resistor to the (Pin 1)

If you are sourcing components, you can check inventory or download verified datasheets directly through distributors like the Jotrin Electronics HCPL-1458 Portal or the Xecor Components Database.