Bourns TBU-RSxxx-300-WH series high speed protectors

Bourns’ TBU-RSxxx-300-WH series high speed protectors are designed for surge protection in indoor and outdoor security camera systems using any kind of gateway (IP CAM and NVR...etc) with RS-485 or high speed signal functionality.

The TBU-RSxxx-300-WH series is an integrated dual channel Transient Blocking Unit (TBU) overcurrent device and integrated TVS diode overvoltage protector for the signal interfaces, such as RS-485. When coupled with an external overvoltage protector like the Bourns GDT (2030-42T-SM-RPLF) or TISP thyristor surge protector (TISP4350J3BJR-S), this integrated solution can cover all compliance to IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT) and IEC 61000-4-5 (surge) standards. The TBU-RSxxx300-WH not only reduces component count on your board, but provides an additional 52% of space saving compared to a discrete solution.

Features

• Dual channel protector for RS-485 interfaces
• Aids compliance to IEC 61000-4-2 (ESD), IEC
• 61000-4-4 (EFT) and IEC 61000-4-5 (surge) standards
• Fast protection response time (1μs)
• RoHS compliant*
• Faster surge current limiter
• Embedded three components in one DFN package
• Simultaneously protecting current and voltage

Applications​

• In/outdoor camera
• RS-485 interface surge protection
• AISG (Antenna Interface Standards Group) modem protection

_{* RoHS Directive 2015/863, Mar 31, 2015 and Annex.​}