A1458 Optocoupler Datasheet Jun 2026

If the A1458 is unavailable, the following components are common functional alternatives: : A widely available 10MBd high-speed optocoupler .

Mara read the datasheet carefully, treating it like a map. She noted these key points: a1458 optocoupler datasheet

Microcontroller (3.3V) A1458 Receiver (5V) ┌─────┐ ┌───┐ ┌─────┐ │ ├─── 220Ω ───┬───────┤1 4├──────┬───────────┤ │ │ │ │ │ │ │ │ │ │ │ ▼ │ │ ┼─ 10kΩ ────┤ │ │ │ GND │ │ │ (pull-up) └─────┘ │2 3├──────┘ └─────┘ └───┘ │ GND (isolated) If the A1458 is unavailable, the following components

It is very common for the letters "PC" to be misread as "A" or for prefixes to be dropped in casual notation. The is a standard 4-pin optocoupler. The is a standard 4-pin optocoupler

Protects sensitive MCUs from voltage spikes and noise while communicating with external hardware. Packaging Information

Whether you are building a smart home switch or a power supply, the A1458 is a reliable, cost-effective component to keep in your parts bin.

Search the manufacturer prefix (e.g., "Sharp A1458" or "Vishay A1458") – the first three letters often reveal the true brand.