A1458 Optocoupler Datasheet May 2026

However, based on common optocoupler naming conventions and visual similarities, here are the three most likely components you might be looking for, along with a summary of their datasheets:

The HCPL-A1458 stands out as an active isolation component, which distinguishes it from typical signal-transfer isolators (like the common PC817). Instead of simply transferring a digital state or analog level, this optocoupler utilizes a specialized logic or gate-drive output stage to ensure clean, high-speed switching of power devices. This mitigates the classic performance bottleneck where low-gain phototransistors degrade switching speed. 📋 Technical Specifications Outline a1458 optocoupler datasheet

Conclusion: Is the A1458 Right for Your Project?

The a1458 optocoupler datasheet reveals a robust, versatile, and reliable component for medium-speed, high-isolation applications. It is not the fastest optocoupler (do not use it for RS-485 or CAN bus isolation), nor is it the cheapest (the PC817 is slightly more economical). However, the A1458 shines in its excellent CTR consistency, wide temperature range, and high 5000Vrms isolation. However, based on common optocoupler naming conventions and

7. Switching Characteristics (VCE = 5V, IC = 2 mA, RL = 100Ω)

| Parameter | Symbol | Test Condition | Min | Typ | Max | Unit | |--------------------|--------|----------------------|-----|-----|-----|------| | Rise time | t_r | IF = 10 mA | - | 4 | 8 | µs | | Fall time | t_f | IF = 10 mA | - | 3 | 6 | µs | | Turn-on time | t_on | IF = 10 mA | - | 6 | 10 | µs | | Turn-off time | t_off | IF = 10 mA | - | 5 | 8 | µs | However, the A1458 shines in its excellent CTR

: Delivers impressive performance with typical propagation delays as low as and data rates reaching up to Exceptional Noise Immunity