DA53

DA53 has a micro gap cut to an accuracy of several tens of microns in widthfor rapid response against induced lightning and electrostatic discharges.
Allows performing the AC withstanding voltage test.
This series are ideal for protecting power supplies against surge voltage.

Features

• Small size. (φ5.3mm Length 10mm)

• Allows performing the AC withstanding voltage test.

• Used to protect power supplies.

• Quick response for surge voltage, and low limiting voltage.

• Small capacitance and excellent insulation resistance.

• Stable for repeated discharge test conditions and environmental fluctuation.

• No polarity.

• No dark effect.

• DA53 Series combined with varistor can be used as surge-protecting elements in power supplies.

Dimensions

Characteristics

Part Number DC spark-over
voltage Vs
Insulation resistance
IR
Electrostatic
capacitance
1kHz-6V max.
Surge current
capacity
8/20μsec.
DA53-701M 700V(560~840) 100MΩ min. DC 250V 1pF max. 3,000A
DA53-272M 2,700V(2,160~3,240) DC 500V
DA53-302M 3,000V(2,400~3,600)
DA53-362M 3,600V(2.880~4,320)
DA53-622M 6,200V(4,960~7,440) DC 1,000V
DA53-752M 7,500V(6,000~9,000)
DA53-782M 7,800V(6,240~9,360)
Part Number Surge life
test.
8/20μsec.
100A
AC
Withstanding
voltage
UL recognized CSA recognized EN approved
5)
UL1414
6)
UL1449
7)
C22.2
No.1
8)
C22.2
No.60065
9)
EN60065
EN60950-1
DA53-701M 300times - - ○ 2) - - -
DA53-272M AC1,000V-1min.
AC1,200V-3sec.
○ 1) ○ 2) ○ 2) - -
DA53-302M AC1,500V-1min. ○ 1) ○ 2) ○ 2) - ○ 4)
DA53-362M AC1,800V-3sec. ○ 1) ○ 2) ○ 2) - ○ 4)
DA53-622M AC3,000V-3sec. ○ 1) - ○ 2) ○ 3) ○ 4)
DA53-752M AC3,600V-3sec. ○ 1) - ○ 2) ○ 3) ○ 4)
DA53-782M AC4,000V-1min. ○ 1) - - - ○ 4)
1): Approved if used together with a varistor (AC125V : V1mA≧270V 8 Joule Min at 2ms, AC250V : V1mA≧470V 8 Joule Min at 2ms), electrically connected in series by means such as twist and soldering, staking, welding etc.
2): Approved if used together with a varistor (AC125V : V1mA≧270V, D≧φ5mm, AC250V : V1mA≧470V, D≧φ5mm), electrically connected in series by means such as twist and soldering, staking, welding etc.
3): Approved if used together with a varistor (AC125V : V1mA≧270V D≧φ14mm AC250V : V1mA≧470V D≧φ14mm), electrically connected in series by means such as twist and soldering, staking, welding etc.
4): Approved if used together with a varistor (V1mA≧470V, D≧φ5mm), electrically connected in series by means such as twist and soldering, staking, welding etc.
5): UL Standard UL 1414 File No. E89615
6): UL Standard UL 1449 File No. E318314
7): CSA Standard C22.2 No.1 File No. CA111411
8): CSA Standard C22.2 No.60065 File No. CA111411
9): TÜV Report No. J9851289(DA53-752M,782M), J9850855(DA53-302M,362M,622M)