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Gas Discharge Tube for RS-485 Ports

Bourns Gas Discharge Tube (GDT) for RS-485 Ports is designed to meet industry standards on RS-485 port interfaces and to provide circuit protection in noisy and harsh electrical environments. For exposed lines that may see large and fast surges and where failure is not acceptable, a three-stage Bourns protection system is recommended.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes 33V 600W BiDir P6SMB33CA Bourns 1: 0,516 € 1 389In Stock 30 000On Order	Mfr. Part No. P6SMB33CA Mouser Part No 652-P6SMB33CA	Bourns	ESD Protection Diodes / TVS Diodes 33V 600W BiDir Learn More about Bourns p6smb series diodes	Datasheet	1 389In Stock 30 000On Order On Order Ship Dates Mfr. No: P6SMB33CA Stock: 1 389 Can Dispatch Immediately On Order: 9 000 Expected 19/04/2027 21 000 Expected 21/07/2027 Factory Lead Time: 22 Weeks	Cut Tape 0,516 € 0,235 € 0,204 € 0,154 € Reel 0,107 € View 0,137 € 0,098 € 0,095 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 39V 600W BiDir P6SMB39CA Bourns 1: 0,533 € 10 380In Stock	Mfr. Part No. P6SMB39CA Mouser Part No 652-P6SMB39CA	Bourns	ESD Protection Diodes / TVS Diodes 39V 600W BiDir Learn More about Bourns p6smb series diodes	Datasheet	10 380In Stock	Cut Tape 0,533 € 0,249 € 0,218 € 0,165 € Reel 0,117 € View 0,154 € 0,115 € 0,099 € 0,093 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 400V 600W UniDir P6SMB400A Bourns 1: 0,808 € 2 648In Stock 33 000On Order	Mfr. Part No. P6SMB400A Mouser Part No 652-P6SMB400A	Bourns	ESD Protection Diodes / TVS Diodes 400V 600W UniDir Learn More about Bourns p6smb series diodes	Datasheet	2 648In Stock 33 000On Order On Order Ship Dates Mfr. No: P6SMB400A Stock: 2 648 Can Dispatch Immediately On Order: 12 000 Expected 10/03/2027 21 000 Expected 08/04/2027 Factory Lead Time: 22 Weeks	Cut Tape 0,808 € 0,369 € 0,325 € 0,249 € Reel 0,178 € View 0,229 € 0,175 € 0,155 € 0,153 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 440V 600W UniDir P6SMB440A Bourns 1: 0,808 € 528In Stock 12 000Expected 17/11/2026	Mfr. Part No. P6SMB440A Mouser Part No 652-P6SMB440A	Bourns	ESD Protection Diodes / TVS Diodes 440V 600W UniDir Learn More about Bourns p6smb series diodes	Datasheet	528In Stock 12 000Expected 17/11/2026	Cut Tape 0,808 € 0,369 € 0,325 € 0,24 € Reel 0,175 € View 0,229 € 0,171 € 0,158 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 47V 600W BiDir P6SMB47CA Bourns 1: 0,525 € 958In Stock 24 000On Order	Mfr. Part No. P6SMB47CA Mouser Part No 652-P6SMB47CA	Bourns	ESD Protection Diodes / TVS Diodes 47V 600W BiDir Learn More about Bourns p6smb series diodes	Datasheet	958In Stock 24 000On Order On Order Ship Dates Mfr. No: P6SMB47CA Stock: 958 Can Dispatch Immediately On Order: 12 000 Expected 12/07/2027 12 000 Expected 29/07/2027 Factory Lead Time: 22 Weeks	Cut Tape 0,525 € 0,235 € 0,206 € 0,156 € Reel 0,11 € View 0,154 € 0,109 € 0,101 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 480V 600W BiDir P6SMB480CA Bourns 1: 0,808 € 2 046In Stock	Mfr. Part No. P6SMB480CA Mouser Part No 652-P6SMB480CA	Bourns	ESD Protection Diodes / TVS Diodes 480V 600W BiDir Learn More about Bourns p6smb series diodes	Datasheet	2 046In Stock	Cut Tape 0,808 € 0,369 € 0,326 € 0,25 € Reel 0,194 € View 0,248 € 0,169 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 510V 600W BiDir P6SMB510CA Bourns 1: 0,808 € 4 818In Stock 12 000Expected 08/07/2027	Mfr. Part No. P6SMB510CA Mouser Part No 652-P6SMB510CA	Bourns	ESD Protection Diodes / TVS Diodes 510V 600W BiDir Learn More about Bourns p6smb series diodes	Datasheet	4 818In Stock 12 000Expected 08/07/2027	Cut Tape 0,808 € 0,369 € 0,326 € 0,25 € Reel 0,194 € View 0,248 € 0,174 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 51V 600W UniDir P6SMB51A Bourns 1: 0,55 € 488In Stock 12 000Expected 11/03/2027	Mfr. Part No. P6SMB51A Mouser Part No 652-P6SMB51A	Bourns	ESD Protection Diodes / TVS Diodes 51V 600W UniDir Learn More about Bourns p6smb series diodes	Datasheet	488In Stock 12 000Expected 11/03/2027	Cut Tape 0,55 € 0,344 € 0,22 € 0,164 € Reel 0,098 € View 0,132 € 0,082 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 56V 600W UniDir P6SMB56A Bourns 1: 0,456 € 11 266In Stock	Mfr. Part No. P6SMB56A Mouser Part No 652-P6SMB56A	Bourns	ESD Protection Diodes / TVS Diodes 56V 600W UniDir Learn More about Bourns p6smb series diodes	Datasheet	11 266In Stock	Cut Tape 0,456 € 0,211 € 0,184 € 0,138 € Reel 0,104 € View 0,132 € 0,089 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 56V 600W BiDir P6SMB56CA Bourns 1: 0,559 € 8 439In Stock	Mfr. Part No. P6SMB56CA Mouser Part No 652-P6SMB56CA	Bourns	ESD Protection Diodes / TVS Diodes 56V 600W BiDir Learn More about Bourns p6smb series diodes	Datasheet	8 439In Stock	Cut Tape 0,559 € 0,249 € 0,219 € 0,165 € Reel 0,126 € View 0,124 € 0,108 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 6.8V 600W UniDir P6SMB6.8A Bourns 1: 0,499 € 12 152In Stock 12 000Expected 01/03/2027	Mfr. Part No. P6SMB6.8A Mouser Part No 652-P6SMB6.8A	Bourns	ESD Protection Diodes / TVS Diodes 6.8V 600W UniDir Learn More about Bourns p6smb series diodes	Datasheet	12 152In Stock 12 000Expected 01/03/2027	Cut Tape 0,499 € 0,223 € 0,195 € 0,147 € Reel 0,098 € View 0,137 € 0,096 € 0,085 € 0,083 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 6.8V 600W BiDir P6SMB6.8CA Bourns 1: 0,525 € 9 757In Stock	Mfr. Part No. P6SMB6.8CA Mouser Part No 652-P6SMB6.8CA	Bourns	ESD Protection Diodes / TVS Diodes 6.8V 600W BiDir Learn More about Bourns p6smb series diodes	Datasheet	9 757In Stock	Cut Tape 0,525 € 0,235 € 0,206 € 0,187 € Reel 0,122 € View 0,159 € 0,106 € 0,091 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 62V 600W UniDir P6SMB62A Bourns 1: 0,473 € 6 677In Stock	Mfr. Part No. P6SMB62A Mouser Part No 652-P6SMB62A	Bourns	ESD Protection Diodes / TVS Diodes 62V 600W UniDir Learn More about Bourns p6smb series diodes	Datasheet	6 677In Stock	Cut Tape 0,473 € 0,211 € 0,184 € 0,138 € Reel 0,104 € View 0,132 € 0,089 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 62V 600W BiDir P6SMB62CA Bourns 1: 0,585 € 384In Stock 12 000Expected 01/03/2027	Mfr. Part No. P6SMB62CA Mouser Part No 652-P6SMB62CA	Bourns	ESD Protection Diodes / TVS Diodes 62V 600W BiDir Learn More about Bourns p6smb series diodes	Datasheet	384In Stock 12 000Expected 01/03/2027	Cut Tape 0,585 € 0,264 € 0,232 € 0,175 € Reel 0,133 € View 0,167 € 0,115 € 0,114 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 75V 600W BiDir P6SMB75CA-H Bourns 1: 0,593 € 9 563In Stock	Mfr. Part No. P6SMB75CA-H Mouser Part No 652-P6SMB75CA-H	Bourns	ESD Protection Diodes / TVS Diodes 75V 600W BiDir Learn More about Bourns p6smb series diodes	Datasheet	9 563In Stock	Cut Tape 0,593 € 0,372 € 0,237 € 0,177 € Reel 0,121 € View 0,144 € 0,103 € 0,097 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000
ESD Protection Diodes / TVS Diodes 8.2V 600W UniDir P6SMB8.2A Bourns 1: 0,499 € 8 457In Stock	Mfr. Part No. P6SMB8.2A Mouser Part No 652-P6SMB8.2A	Bourns	ESD Protection Diodes / TVS Diodes 8.2V 600W UniDir Learn More about Bourns p6smb series diodes	Datasheet	8 457In Stock	Cut Tape 0,499 € 0,223 € 0,195 € 0,147 € Reel 0,105 € View 0,132 € 0,104 € 0,089 € 0,087 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 8.2V 600W BiDir P6SMB8.2CA Bourns 1: 0,636 € 5 398In Stock	Mfr. Part No. P6SMB8.2CA Mouser Part No 652-P6SMB8.2CA	Bourns	ESD Protection Diodes / TVS Diodes 8.2V 600W BiDir Learn More about Bourns p6smb series diodes	Datasheet	5 398In Stock	Cut Tape 0,636 € 0,399 € 0,255 € 0,19 € Reel 0,132 € View 0,154 € 0,114 € 0,094 € 0,092 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 82V 600W UniDir P6SMB82A Bourns 1: 0,473 € 9 170In Stock	Mfr. Part No. P6SMB82A Mouser Part No 652-P6SMB82A	Bourns	ESD Protection Diodes / TVS Diodes 82V 600W UniDir Learn More about Bourns p6smb series diodes	Datasheet	9 170In Stock	Cut Tape 0,473 € 0,211 € 0,184 € 0,138 € Reel 0,102 € View 0,124 € 0,101 € 0,088 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 70.1v 600W BiDir P6SMB82CA Bourns 1: 0,688 € 5 374In Stock	Mfr. Part No. P6SMB82CA Mouser Part No 652-P6SMB82CA	Bourns	ESD Protection Diodes / TVS Diodes 70.1v 600W BiDir Learn More about Bourns p6smb series diodes	Datasheet	5 374In Stock	Cut Tape 0,688 € 0,35 € 0,224 € 0,206 € Reel 0,141 € View 0,167 € 0,112 € 0,097 € 0,095 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 9.1V 600W UniDir P6SMB9.1A Bourns 1: 0,439 € 716In Stock	Mfr. Part No. P6SMB9.1A Mouser Part No 652-P6SMB9.1A	Bourns	ESD Protection Diodes / TVS Diodes 9.1V 600W UniDir Learn More about Bourns p6smb series diodes	Datasheet	716In Stock	Cut Tape 0,439 € 0,344 € 0,22 € 0,164 € Reel 0,095 € View 0,119 € 0,094 € 0,08 € 0,077 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 9.1V 600W BiDir P6SMB9.1CA Bourns 1: 0,559 € 80In Stock	Mfr. Part No. P6SMB9.1CA Mouser Part No 652-P6SMB9.1CA	Bourns	ESD Protection Diodes / TVS Diodes 9.1V 600W BiDir Learn More about Bourns p6smb series diodes	Datasheet	80In Stock	Cut Tape 0,559 € 0,249 € 0,218 € 0,165 € Reel 0,125 € View 0,154 € 0,117 € 0,102 € 0,098 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 91V 600W UniDir P6SMB91A Bourns 1: 0,473 € 6 318In Stock	Mfr. Part No. P6SMB91A Mouser Part No 652-P6SMB91A	Bourns	ESD Protection Diodes / TVS Diodes 91V 600W UniDir Learn More about Bourns p6smb series diodes	Datasheet	6 318In Stock	Cut Tape 0,473 € 0,211 € 0,184 € 0,138 € Reel 0,104 € View 0,132 € 0,088 € 0,084 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 10kA 58V BI Surface Mt High Temp PTVS10-058C-SH Bourns 1: 25,45 € 20In Stock	Mfr. Part No. PTVS10-058C-SH Mouser Part No 652-PTVS10-058C-SH	Bourns	ESD Protection Diodes / TVS Diodes 10kA 58V BI Surface Mt High Temp Learn More about Bourns PTVS	Datasheet	20In Stock	25,45 € 19,88 € 16,91 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 10kA 320V PTVS Diode Bidirectional PTVS10-320C-TH Bourns 1: 101,12 € 12In Stock	Mfr. Part No. PTVS10-320C-TH Mouser Part No 652-PTVS10-320C-TH	Bourns	ESD Protection Diodes / TVS Diodes 10kA 320V PTVS Diode Bidirectional Learn More about Bourns PTVS	Datasheet	12In Stock	101,12 € 90,61 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 10kA 380V PTVS Diode Bidirectional PTVS10-380C-TH Bourns 1: 101,47 € 6In Stock 20Expected 22/02/2027	Mfr. Part No. PTVS10-380C-TH Mouser Part No 652-PTVS10-380C-TH	Bourns	ESD Protection Diodes / TVS Diodes 10kA 380V PTVS Diode Bidirectional Learn More about Bourns PTVS	Datasheet	6In Stock 20Expected 22/02/2027	101,47 € 91,00 €	Min.: 1 Mult.: 1

Gas Discharge Tube for RS-485 Ports

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Gas Discharge Tube for RS-485 Ports

Types of Circuit Protection