GDS-NBC series welder silicon rectifier bridge

GDS-NBC silicon rectifier bridge for welders qualified CE, SGS, ISO

GDS-NBC silicon rectifier bridge for welders

 

Model specification 

UQDQ200A	150-500	200	357×130×160
UQDQ300A	150-500	300
UQKQ400A	150-500	400
UQDQ500A	150-500	500

Type	Peak forward voltage	Peak forward voltage	Repetitive peak voltage	Repetitive peak current	Insulation voltage	Temperature rise	Fix power	Wind speed
	(A)	(A)	(mA)	(V)	(V)	(°C)	(N.M.)	(m/s)
UQD100A	100	≥600	≤3	≤1.2	150	≤55	≥12.5	3.0
UQD150A	150	≥600	≤4	≤1.2	150	≤60	≥12.5	3.0
UQD200A	200	≥600	≤5	≤1.3	150	≤60	≥12.5	3.0
UQD250A	250	≥600	≤5	≤1.3	150	≤65	≥12.5	3.0
UQD300A	300	≥600	≤6	≤1.3	150	≤80	≥12.5	3.0
UQD400A	400	≥600	≤6	≤1.4	150	≤85	≥12.5	3.0
UQD500A	500	≥600	≤7	≤1.4	150	≤90	≥12.5	3.0

Type	Peak forward voltage	Peak forward voltage	Repetitive peak voltage	Repetitive peak current	Insulation voltage	Temperature rise	Fix power	Wind speed
	(A)	(A)	(mA)	(V)	(V)	(°C)	(N.M.)	(m/s)
UQS100A	100	≥600	≤3.5	≤1.30	150	≤55	≥12.5	3.0
UQS150A	150	≥600	≤4.0	≤1.30	150	≤60	≥12.5	3.0
UQS200A	200	≥600	≤5.5	≤1.35	150	≤60	≥12.5	3.0
UQS250A	250	≥600	≤6.0	≤1.35	150	≤65	≥12.5	3.0
UQS300A	300	≥600	≤6.5	≤1.35	150	≤80	≥12.5	3.0
UQS400A	400	≥600	≤8.0	≤1.40	150	≤85	≥12.5	3.0
UQS500A	500	≥600	≤10.0	≤1.40	150	≤85	≥12.5	3.0
UQS600A	600	≥600	≤10.0	≤1.45	150	≤90	≥12.5	3.0

feature

Low costLow forward voltage dropHigh current capability & conductive packageVacuum thydrogen gas filled protection solder technology Device with hentsink & over-voltage protection

application

CO2 gas filled protection weld machineDC power suppliesRectificate circuit