3-electrode GDT

BMSQ CMS (T&R) 230/20

Part Number: 929925701

The smallest 2-electrode GDT
No radioactive
ITU-K12 compliant
Surface Mounting Device: electrod anti-rolling
Tape & Reel Packaging

Datasheet
Tender specifications

CITEL BM surge arresters are 3-electrode gas discharge tubes designed in ceramic technology and created to protect telecommunication or computer equipment, The reduced size of the BM series enables the implementation in limited space applications (small connector blocks...), SMD mounting (BM CMS type) or PCB mounting (with lead termination : BMS). BM could be provide with external fail-safe mechanism (BMC type) and is available in several DC sparkover voltages.

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Electrical Properties Mechanical Properties Norms Schemas

DC sparkover voltage (100V/s)		184-276 V
DC spark voltage tolerance (100V/s)		+/- 20%
Maximum impulse sparkover voltage (1kV/µs)		≤ 680 V
Nominal discharge current	In	10 kA
Total Maximum discharge current	Imax Total	10 kA
Impulse current by pole	Iimp	2 kA
Impulse discharge current		2 kA
Max. capacitance	C	<0.5 pF
Insulation resistance	IR	≥10 GOhms
Arc Voltage		≤ 25 V
Glow-to-arc transition current		0.5 A
Glow voltage		≤ 100 V
AC discharge current (50Hz)		10 A
DC Holdover voltage		>80 V

Technology		Gas discharge tube
Mounting		Surface Mounting Device
Operating and storage temperature		-40°C / +90°C
Tape&Reel Version		Standard version
Dimensions		See diagram

Standards compliance		IEC 61643-311
Certification		UL Recognized / ROHS
RohS compliance		Yes