: 3750 Vrms to 5000 Vrms (depending on the specific package and testing standard). Environmental Operating Temperature : Ranges from -40°C to +85°C. Pinout and Package The A1458 is typically housed in an 8-pin SOP (Small Outline Package) DIP-8 package Input Side
If you can share (PCB marking, schematic, BOM), I can help decode it. a1458 optocoupler datasheet
: Minimum of 15,000 V/µs (often reaching 50 kV/μs in newer models like the HCPL-1458) . Supply Voltage ( VCCcap V sub cap C cap C end-sub : 3750 Vrms to 5000 Vrms (depending on
The device is widely available in surface-mount SOP-8 or SOIC-8 packages, as well as 8-pin DIP formats for through-hole mounting. Some high-reliability versions are for use in aerospace or harsh industrial environments. HCPL-1458/ A1458 - Broadcom - Price, Inventory & Datasheets : Minimum of 15,000 V/µs (often reaching 50