A1458 Optocoupler Datasheet __hot__ May 2026

The (also commonly referred to as the Go to product viewer dialog for this item.

Telecommunications: Used for high-speed digital interface isolation and line receivers . Substitute & Cross-Reference Parts

Part 8: Layout and Design Guidelines

Based on recommendations in the A1458 optocoupler datasheet and industry best practices: a1458 optocoupler datasheet

This datasheet is for informational purposes. Verify specifications with original component supplier before design-in.

The device is commonly found in an 8-pin DIP or SO-8 package. While you should always verify with the official datasheet, a standard high-speed optocoupler pinout follows this logic: The (also commonly referred to as the Go

Part 5: Switching Characteristics (Speed)

The A1458 is not an ultra-high-speed device (like a logic gate optocoupler, e.g., 6N137), but it is adequate for most power supply feedback and low-speed data isolation (< 50 kHz).

Common Mode Transient Immunity (CMR): High noise immunity, typically 15 kV/µs to 50 kV/µs, essential for preventing false triggers in noisy industrial settings. Common Mode Transient Immunity (CMR): High noise immunity,

1. Key Specifications to Verify First

Based on standard optocoupler architecture (an infrared LED optically coupled to a phototransistor), the A1458 datasheet should prioritize these parameters:

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