The CPC1561B is a single-pole, normally open, optically isolated solid state relay with integrated current limiting and thermal shutdown, designed to switch up to 1 A DC or RMS loads at 60 V blocking voltage. It is packaged in a 16-pin SOIC surface-mount format with dimensions of 10.312 mm long, 7.493 mm wide, and 2.337 mm high. The relay operates with a 2.5 mA input control current and has a maximum on-resistance of 245 mΩ at ambient temperatures below 60°C. It maintains a flat current limit over its operating range and automatically recovers after fault removal. The device is UL recognized under File #E76270, supports operating temperatures from -40°C to +85°C, and has an isolation voltage of 3750 Vrms. It is rated MSL 3 for moisture sensitivity and is ESD sensitive per JESD-625.
Specialized OptoMOS® single-pole, normally open Solid State Relays (1-Form-A) with an integrated active current limit and thermal shutdown feature that can replace electromechanical relays while enhancing the robustness of wireline interface applications. The active current-limit circuitry in these relays also has a thermal management feature that provides excellent power cross immunity for improved survivability in harsh environments. These features greatly improve the robustness of end systems that use these devices, when compared to systems using relays without integrated current limit. These devices may be used in both unidirectional DC applications as well as bidirectional AC applications. CPC1540, CPC1563, and CPC1593 incorporate an additional safety feature, Voltage Triggered Shutdown, VTS, that quickly shuts the device down if a voltage transient, above the VTS threshold, occurs in the load while current limiting is in effect. These devices are ideal for use in noisy environments where such transients can be expected. CPC1560 is available in 8-pin DIP and surface mount packages; CPC1510, CPC1540, CPC1563, and CPC1593 are available in 6-pin DIP and surface mount packages, and CPC1561B is available in a 16-pin SOIC package. Integrated Active Current Limit Protection Thermal Management Voltage-Triggered Shutdown (VTS) Low Input Control Current Low Drive Power Requirements 3.75 kVrms Isolation, Input-to-Output
| Littelfuse, Inc. | |
|---|---|
| Product Category | Solid State Relays |
| Product Number | CPC1561B |
| Product Name | Bidirectional normally open output |
