Arrestor - MPDevice Co., Ltd.

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MPDevice Co., Ltd.
[Korea]

Address:
45B-1L, #435, Nonhyun-dong Namdong-gu Incheon 405-848 Korea

Phone:
82-32-8223290

Contact name:
Sang-geun, Lee , President

Click to enlarge image

Features

Material Data

	Material	Standard	Finish
Housing, Coupling Nuts	Brass	ASTM-B-16	Ternary alloy Silver plating Electroless Nickel plating
Male Conductor	Brass	ASTM-B-16	Gold plating Silver plating
Female Conductor	Beryllium-copper Phorsphor bronze Brass	ASTM-B-196 ASTM-B-103 ASTM-B-16	Gold plating Silver plating
Insulator	PTFE	ASTM-D-1457	-
Gasket or O-ring	Silicone rubber	ASTM-E-1418 PS1	-

Coaxial Protestors Parameters and Selection

Parameter	QWS	QWSC	QWSM	GDT
Product Description	Quarter Wave Stub	Quarter Wave Stub and add DC Capacitor	Quarter Wave Stub and FilterProtectors	Gas Tube based Coaxial Protector
Protection Technology	1/4 wave stub	1/4 wave stub	1/4 wave stub and Bandpass filter	Gas Discharge Tube
Frequency	Narrow Band	Narrow Band	Multi band	Broad Band
VSWR	1.1 : 1	1.1 : 1	1.15 : 1	1.2 : 1
Insertion Loss	0.1	0.1	0.2	0.2
RF Power	Limited by Connector	Limited by Connector	Limited by Connector	30W ~ 1KW according to GDT voltage and limited by Connector
Work with DC Injection	No	No	No	Yes
Protection Performance	Better	Very Good	Very Good	Good