RHCA7044
SERIES
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.
SURGE PROTECTIVE DEVICES
UL
cUL
Safety Standard
:UL1449
:C22.2 No.8
File No.
E322107
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
●
Application
Example (Telecommunication Line):
T
RHCA
R
High Voltage RHCA
GND
4.4±0.3
NEW
●
Dimensions
Equipmemt
7.0±0.3
Example (Power supply AC):
L1
Equipmemt
L2
Unit: mm
(0.4)
(0.4)
4.4±0.3
High Voltage RHCA
GND
Electrical Specifications
Safety
Standard
Model Number
Impulse Sparkover
Voltage 1.2/50
μs
(V)
Applied
Voltage Specification
4,500 max.
5,000
Withstand
Voltage Test
50/60Hz
Impulse
Insulation
Capacitance Impulse
Discharge
Resistance
1MHz
Life Test
Current
min. (MΩ)
DC Sparkover
Voltage
(Reference Value)
2,400V±20%
1,000
(DC500V)
0.6pF Max.
8/20μs
100A
300 times
8/20μs
2,000A
1 times
3,000V±20%
3,600V±20%
4,500V±20%
RHCA-242H74U *1
RHCA-302H74U *1,2
RHCA-362H74U *1,2
RHCA-452H74U *1,2
8,000
AC1,000V-60sec
AC1,200V- 3sec
4,700 max. AC1,500V-60sec
AC1,500V-60sec
4,950 max.
AC1,800V- 3sec
1,000
7,950 max. AC2,000V- 60sec (DC1,000V)
*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).
122
PCB设计
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