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RS-485 Transceiver Protection Solutions

Bourns & Analog Devices RS-485 Transceiver Protection Solutions offer electromagnetic compatibility (EMC) compliant solutions for three protection levels for popular RS-485 communication ports. Each solution has been tested and characterized to ensure the dynamic interaction between transceiver and the protection circuit components functions together to protect against electrostatic discharge (ESD), electrical fast transients (EFT), and surge immunity specified in IEC 61000-4-2, IEC61000-4-4, and IEC61000-4-5. The circuits offer protection for RS-485 interfaces using the ADM3485E against ESD, EFT, and surge levels found in harsh environments.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes SOT-23 7V400W Low Capacitance CDSOT23-SM712 Bourns 1: CHF 1.06 141’904In Stock 570’000On Order	Mfr. Part No. CDSOT23-SM712 Mouser Part No 652-CDSOT23-SM712	Bourns	ESD Protection Diodes / TVS Diodes SOT-23 7V400W Low Capacitance Learn More about Bourns tvs diode array	Datasheet	141’904In Stock 570’000On Order On Order Ship Dates Mfr. No: CDSOT23-SM712 Stock: 141’904 Can Dispatch Immediately On Order: 225’000 Expected 5/18/2027 345’000 TBD Factory Lead Time: 22 Weeks	Cut Tape CHF 1.06 CHF 0.658 CHF 0.502 CHF 0.422 Reel CHF 0.262 View CHF 0.326 CHF 0.285 CHF 0.245 CHF 0.23 MouseReel Available	Min.: 1 Mult.: 1 : 3’000
Board Mount Surge Protectors Bi-directional TBU TBU-CA065-200-WH Bourns 1: CHF 1.75 35’651In Stock 42’000Expected 2/15/2027	Mfr. Part No. TBU-CA065-200-WH Mouser Part No 652-TBU-CA065-200-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	35’651In Stock 42’000Expected 2/15/2027	Cut Tape CHF 1.75 CHF 1.51 CHF 1.00 CHF 0.837 Reel CHF 0.724 View CHF 0.752 CHF 0.722 MouseReel Available	Min.: 1 Mult.: 1 : 3’000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors MINI TRIGARD SYMMETRICAL SMT 2038-15-SM-RPLF Bourns 1: CHF 1.71 5’038In Stock	Mfr. Part No. 2038-15-SM-RPLF Mouser Part No 652-2038-15-SM-RPLF	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors MINI TRIGARD SYMMETRICAL SMT Learn More about Bourns eval cn0313 sdpz	Datasheet	5’038In Stock	Cut Tape CHF 1.71 CHF 1.46 CHF 1.31 CHF 1.21 View Reel CHF 0.955 CHF 1.10 CHF 1.01 CHF 0.955 MouseReel Available	Min.: 1 Mult.: 1 : 1’000
Thyristor Surge Protection Devices - TSPD BI-DIRECTIONL PRTCTR 180volts TISP4240M3BJR-S Bourns 1: CHF 0.992 19’965In Stock	Mfr. Part No. TISP4240M3BJR-S Mouser Part No 652-TISP4240M3BJR-S	Bourns	Thyristor Surge Protection Devices - TSPD BI-DIRECTIONL PRTCTR 180volts Learn More about Bourns tisp4xm3bj overvoltage protectors	Datasheet	19’965In Stock	Cut Tape CHF 0.992 CHF 0.621 CHF 0.408 CHF 0.317 Reel CHF 0.25 View CHF 0.283 CHF 0.232 MouseReel Available	Min.: 1 Mult.: 1 : 3’000

RS-485 Transceiver Protection Solutions

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RS-485 Transceiver Protection Solutions

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