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RHCA7044 Datasheet, PDF (1/2 Pages) Okaya Electric America, Inc. – SURGE PROTECTIVE DEVICES
RHCA7044 SERIES SURGE PROTECTIVE DEVICES
RHCA7044 Series is SMD type- Surge Protective
Device for protection from indirect lightning surge.
This series has excellent surge suppression
performance and 2,000A 8/20μs impulse current
capacity, also meets electric strength test standards
such as AC withstand voltage test.
Features
● Chip surge absorber for protection from indirect
lighting surge, adaptable to high density surface
mount technology
● SMD type, usable for reflow soldering
● Impulse current capacity 2,000A 8/20μs
● Small electrostatic capacity (Maximum 0.6pF)
● Creepage distance is more than 6mm
Safety Standard
UL
:UL1449
cUL :C22.2 No.8
File No.
E322107
● Application
Example (Telecommunication Line):
T
RHCA
R
High Voltage RHCA
Equipmemt
GND
Example (Power supply AC):
L1
Equipmemt
L2
High Voltage RHCA
NEW
● Dimensions
7.0±0.3
(0.4)
(0.4)
4.4±0.3
Unit: mm
GND
Electrical Specifications
Safety
Standard
Model Number
Impulse Sparkover
Voltage 1.2/50 μs (V)
Applied
Voltage Specification
Withstand
Voltage Test
50/60Hz
Insulation
Resistance
min. (MΩ)
Capacitance
1MHz
Impulse
Life Test
Impulse
Discharge
Current
RHCA-242H74U *1
RHCA-302H74U *1,2
RHCA-362H74U *1,2
RHCA-452H74U *1,2
5,000
8,000
AC1,000V-60sec
4,500 max.
AC1,200V- 3sec
4,700 max. AC1,500V-60sec
AC1,500V-60sec
4,950 max.
AC1,800V- 3sec
1,000
(DC500V)
8/20μs
0.6pF Max. 100A
300 times
1,000
7,950 max. AC2,000V- 60sec (DC1,000V)
8/20μs
2,000A
1 times
DC Sparkover
Voltage
(Reference Value)
2,400V±20%
3,000V±20%
3,600V±20%
4,500V±20%
*¹ Rated voltage AC125V: Approved if it is connected to UL approved varistor (V1.0mA≥270V, D≥φ 10mm).
*² Rated voltage AC250V: Approved if it is connected to UL approved varistor (V1.0mA≥470V, D≥φ 10mm).
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