Applications
• Mechanical relay replacements
• Security Systems
• Heating, ventilation and air conditioning (HVAC)
• ATE (Automatic Test Equipment)
• Factory Automation (FA)
• Battery Management System (BMS) (Non-Automotive)

General
The TLP241B and TLP241BF photorelay consist of a photo MOSFET optically coupled to an infrared light emitting
diode. They are housed in a 4-pin DIP package. They provide an isolation voltage of 5000 Vrms, making them
suitable for applications that require reinforced insulation.

Features
(1) Halogen-free
For details, see "Devices in Halogen-Free Resin Packages" at the end of this datasheet.
(2) Normally opened (1-Form-A)
(3) OFF-state output terminal voltage: 100 V (min)
(4) Trigger LED current: 3 mA (max)
(5) ON-state current: 2.0 A (max)
(6) ON-state resistance: 200 mΩ
(7) Isolation voltage: 5000 Vrms (min)
(8) Safety standards
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)