Hall Effect Current Sensors L18P***S12 Series
Tamura reserve the right to modify its products in order to improve them without prior notice
L18PXXXS12revD, March 2012
Issued by Module Components Div, TAMURA CORPORATION
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
-50 -40 -30 -20 -10 0 10 20 30 40 50
Saturation characteristic(L18P025S12)
TA=25ºC, VCC=+12V, RL=10kΩ
Electrical Performances
Specifications
1 Vof is fixed (independent of VCC). After removal of core hysteresis— 2 Without offset — 3 Time between 10% input current full scale and 90% of sen-
sor output full scale — 4 Without Thermal drift of offset
Advantage:
Excellent accuracy and linearity
Wide nominal current range
Low temperature drift
Wide frequency bandwidth
No insertion loss
High Immunity To External Interference
Optimised response time
Current overload capability
Features:
Open Loop type
Printed circuit board mounting
Integrated primary
Unipolar power supply
Busbar version from 40A to 60A
Insulated plastic case according
to UL94V0
Regulated offset voltage
UL Recognition
Parameters Symbol L18P003
S12
L18P005
S12
L18P010
S12
L18P015
S12
L18P020
S12
L18P025
S12
L18P030
S12
L18P040
S12
L18P050
S12
L18P060
S12
Primary nominal current If 3A 5A 10A 15A 20A 25A 30A 40A 50A 60A
Saturation current Ifmax ≥ ± If x 1.25
Rated output voltage Vo Vof +1.5V ± 0.045V (at If)
Offset voltage1 Vof 2.5V ± 0.035V (at If=0A)
Output linearity2(0A~If)
εL ≤ ± 1% (at If)
Power supply voltage VCC +12V ± 5%
Consumption current Icc ≤ 15mA
Response time3 tr ≤ 5μs (at di/dt = If / μs)
Thermal drift of gain4 TcVo ≤ ±2.0mV/ºC
Thermal drift of offset TcVof ≤ ±2.0mV/ºC
Hysteresis error VOH ≤ 25mV (at If=0A→If→0A)
Insulation voltage Vd AC3000V for 1minute (sensing current 0.5mA), primary secondary
Insulation resistance RIS ≥ 500MΩ (at DC500V), primary secondary
Ambient operation tem-
perature TA -30ºC~+80ºC
Ambient storage tem-
perature TS -40ºC~+85ºC
TA=25ºC Pulsed
-10
-8
-6
-4
-2
0
2
4
6
0.1 1 10 100
Frequency characteristic(kHz)
@ If=3(Arms)
Frequency characteristic(L18P025S12)