Telecommunications
Control Equipment
Data Acquisition System
Security Equipment
Measurement Equipment

The Toshiba TLP170A consists of an infrared emitting diode optically
coupled to a photo-MOSFET in a 4-pin SOP package.
This photorelay requires 1mA of LED current to turn it on. It is suitable
for applications that need electrical power savings.

• 4-pin SOP (2.54SOP4): Height = 2.1 mm, pitch = 2.54 mm
• Normally open (1-Form-A) device
• Peak off-state voltage: 60 V (min)
• Trigger LED current: 1 mA (max)
• ON-state current: 400 mA (max)
• ON-state resistance: 2 Ω (max)
• Isolation voltage: 1500 Vrms (min)
• UL-recognized: UL 1577, File No.E67349
• cUL-recognized: CSA Component Acceptance Service No.5A
File No.E67349
• VDE-approved: EN 60747-5-5 (Note 1)