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.

Results: 35
Select Image Part # Mfr. Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series Termination Style Package / Case Clamping Voltage Minimum Operating Temperature Maximum Operating Temperature Qualification Packaging
Bourns Varistors Chip Guard 0402 12 VOLTS 12,930In Stock
Min.: 1
Mult.: 1
Reel: 10,000

MLC SMD/SMT 0402 (1005 metric) 25 V - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Varistors CHIP GUARD 24VOLT 24,192In Stock
Min.: 1
Mult.: 1
Reel: 10,000

MLU SMD/SMT 0402 (1005 metric) 25 V - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Varistors 5VDC 0.2pF 0201 28,721In Stock
Min.: 1
Mult.: 1
Reel: 15,000

MLC SMD/SMT 0201 (0603 metric) 30 V - 55 C + 125 C Reel, Cut Tape, MouseReel
Bourns Varistors 5.5VDC 10% 0201 33pF 60,930In Stock
Min.: 1
Mult.: 1
Reel: 15,000

MLA SMD/SMT 0201 (0603 metric) 28 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Varistors Chip Guard 0603 12 Volt AEC-Q200 11,303In Stock
Min.: 1
Mult.: 1
Reel: 5,000

CGA-MLC SMD/SMT 0603 (1608 metric) 30 V - 55 C + 125 C AEC-Q100 Reel, Cut Tape, MouseReel
Bourns Varistors CHIP GUARD 856In Stock
30,000Expected 2026-04-22
Min.: 1
Mult.: 1
Reel: 10,000

MLC SMD/SMT 0402 (1005 metric) 25 V - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Varistors CHIP GUARD 3.3VOLT LOW LEAKAGE 7,619In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MLC SMD/SMT 0603 (1608 metric) 25 V - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Varistors CHIP GUARD 8,846In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MLC SMD/SMT 1206 (3216 metric) 30 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Varistors Chip Guard 0402 5 Volts 30,358In Stock
Min.: 1
Mult.: 1
Reel: 10,000

MLC SMD/SMT 0402 (1005 metric) 25 V - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Varistors Chip Guard 0402 12 Volts 20,636In Stock
Min.: 1
Mult.: 1
Reel: 10,000

MLC SMD/SMT 0402 (1005 metric) 25 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Varistors Chip Guard 0402 3.3 Volts 26,813In Stock
Min.: 1
Mult.: 1
Reel: 10,000

MLC SMD/SMT 0402 (1005 metric) 25 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Varistors CHIP GUARD 5VOLT 26,793In Stock
30,000Expected 2026-06-24
Min.: 1
Mult.: 1
Reel: 10,000

MLU SMD/SMT 0402 (1005 metric) 25 V - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Varistors CHIP GUARD 3.3VOLT LOW LEAKAGE 18,467In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MLC SMD/SMT 0603 (1608 metric) 25 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Varistors CHIP GUARD 5VOLT 74,364In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MLU SMD/SMT 0603 (1608 metric) 25 V - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Varistors CHIP GUARD 3.3VOLT 11,867In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MLU SMD/SMT 0603 (1608 metric) 25 V - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Varistors Chip Guard 0603 5 Volts 82,267In Stock
80,000Expected 2026-02-23
Min.: 1
Mult.: 1
Reel: 5,000

MLC SMD/SMT 0603 (1608 metric) 25 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Varistors Chip Guard 0603 12 Volts 17,105In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MLC SMD/SMT 0603 (1608 metric) 25 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Varistors Chip Guard 0402 5 Volt AEC-Q200 24,392In Stock
Min.: 1
Mult.: 1
Reel: 10,000

CGA-MLC SMD/SMT 0402 (1005 metric) 30 V - 55 C + 125 C AEC-Q100 Reel, Cut Tape, MouseReel
Bourns Varistors Chip Guard 0402 24 Volt AEC-Q200 21,332In Stock
Min.: 1
Mult.: 1
Reel: 10,000

CGA-MLC SMD/SMT 0402 (1005 metric) 30 V - 55 C + 125 C AEC-Q100 Reel, Cut Tape, MouseReel
Bourns Varistors Chip Guard 0603 24 Volt AEC-Q200 21,981In Stock
Min.: 1
Mult.: 1
Reel: 5,000

CGA-MLC SMD/SMT 0603 (1608 metric) 30 V - 55 C + 125 C AEC-Q100 Reel, Cut Tape, MouseReel
Bourns Varistors Chip Guard 0402 5 Volts 1,443In Stock
40,000Expected 2026-04-01
Min.: 1
Mult.: 1
Reel: 10,000

MLC SMD/SMT 0402 (1005 metric) 25 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Varistors Chip Guard 0402 24 Volts 10,399In Stock
30,000Expected 2026-06-04
Min.: 1
Mult.: 1
Reel: 10,000

MLC SMD/SMT 0402 (1005 metric) 25 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Varistors CHIP GUARD 12VOLT 8,086In Stock
30,000Expected 2026-05-14
Min.: 1
Mult.: 1
Reel: 10,000

MLU SMD/SMT 0402 (1005 metric) 25 V - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Varistors CHIP GUARD 3.3VOLT 5,523In Stock
30,000Expected 2026-06-18
Min.: 1
Mult.: 1
Reel: 10,000

MLU SMD/SMT 0402 (1005 metric) 25 V - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Varistors Chip Guard 0603 5 Volts 1,225In Stock
30,000Expected 2026-03-31
Min.: 1
Mult.: 1
Reel: 5,000

MLC SMD/SMT 0603 (1608 metric) 25 V - 40 C + 85 C Reel, Cut Tape, MouseReel