TLP118 – Optocoupler – Toshiba

The Toshiba TLP118 is a 20 Mbps high-speed, single-channel logic-output photocoupler with inverter-logic open-collector output and 3750 Vrms isolation in a compact 5-lead SO6 surface-mount package.

The Toshiba TLP118 is a high-speed, single-channel logic-output photocoupler (optocoupler) that pairs a GaAs infrared LED with a high-sensitivity photo-IC detector. Rated for data rates up to 20 Mbps and a 3750 Vrms (min) isolation voltage, the TLP118 delivers galvanic isolation for digital signal paths while maintaining fast, clean switching over an operating temperature range of -40 C to 125 C. It is supplied in a space-saving 5-lead SO6 gull-wing surface-mount package.

Key Features

• Single-channel (1-channel) high-speed logic-output photocoupler
• Data rate up to 20 Mbps
• Isolation voltage: 3750 Vrms minimum (UL 1577 recognized)
• Inverter-logic type, open-collector output
• Supply voltage (Vcc): 4.5 V to 5.5 V
• Input threshold current: IFH = 5.0 mA (max)
• Propagation delay: tpHL / tpLH 60 ns (max)
• Common-mode transient immunity: +/-15 kV/us (min)
• Operating temperature: -40 C to 125 C
• 5-lead SO6 surface-mount (gull-wing) package

Applications

• Communication interface isolation
• Programmable logic controllers (PLC)
• Measurement and test instrumentation
• Industrial digital I/O and signal isolation
• High-speed isolated data transmission

Why Source TLP118 from Pacific Component Xchange

The TLP118 is marked Not Recommended for New Design (NRND) by Toshiba, which lists the TLP2368 as a replacement with nearly identical package and characteristics. With limited authorized-distributor availability, the TLP118 is a hard-to-find part for repair, maintenance, and legacy production runs. Pacific Component Xchange specializes in sourcing obsolete and allocation-constrained optocouplers and isolation ICs. We support legacy and end-of-life designs with authenticity-verified inventory, careful component handling, and global shipping. If your build still depends on the TLP118, request a quote and our team will source genuine parts to keep your line running. Submit an RFQ today for current availability, lead time, and pricing.