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LEM DHAB S124 Open Loop Hall Effect Current Transducer Featuring Dual Channel Measurement Capability

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LEM DHAB S124 Open Loop Hall Effect Current Transducer Featuring Dual Channel Measurement Capability

Description : Current Sensors RoHS

Mfr. Part # : DHAB S/124

Model Number : DHAB S/124

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Product Overview

The LEM DHAB S/124 is an open-loop Hall effect current transducer designed for DC, AC, or pulsed current measurements in high-power, low-voltage automotive applications. It offers galvanic separation between the primary and secondary circuits and provides a dual-channel sensor for wider measurement range and redundancy. Key advantages include good accuracy across high and low current ranges, good linearity, low thermal offset and sensitivity drift, and a hermetic package.

Product Attributes

Brand: LEM
Technology: Open Loop Hall Effect
Material (Case): PBT-GF30
Material (Magnetic Core Channel 1): FeNi alloy
Material (Magnetic Core Channel 2): FeSi alloy
Electrical Terminal Coating: Brass tin plated
Degrees of Protection: IP6K9K
Origin: Not specified
Color: Not specified
Certifications: IEC 61000-4-2, ISO 10605, ISO 16750-2

Technical Specifications

Parameter	Channel 1	Channel 2	Unit	Conditions
Primary Current Measuring Range	±75	±500	A
Primary Nominal DC or RMS Current	±75	±500	A	@ TA = 25 °C
Offset Voltage (VO)	2.5	2.5	V	@ UC = 5 V
Sensitivity (G)	26.7	4	mV/A	@ UC = 5 V
Resolution	1.25	1.25	mV	@ UC = 5 V
Frequency Bandwidth (BW)	70	70	Hz	@ -3 dB
Ratiometricity Error (εr)	±0.6	±0.6	%
Output Voltage Noise (peak-peak) (Vno pp)	±10	±10	mV
Electrical Offset Current (IOE)	±0.07	±0.6	A	@ TA = 25 °C
Magnetic Offset Current (IOM)	±0.03	±0.25	A	@ TA = 25 °C
Offset Current (IO)	-0.15 to 0.15	-1 to 1	A	@ TA = 25 °C
Sensitivity Error (εG)	±0.4	±0.4	%	@ TA = 25 °C
Linearity Error (εL)	±0.5	±0.5	%	@ TA = 25 °C, @ Uc = 5 V, of full range

Parameter	Unit	Specification	Conditions
Supply Voltage (UC)	V	4.75 to 5.25
Current Consumption (IC)	mA	15 to 20
Maximum Output Current (Iout)	mA	-1 to 1
Load Resistance (RL)	kΩ	10
Capacitive Loading (CL)	nF	1 to 100
Ambient Operating Temperature (TA)	°C	-40 to 125	High accuracy: -40 to 125 °C; Reduced accuracy: -10 to 65 °C
Ambient Storage Temperature (TS)	°C	-40 to 125
Mass	g	82
Max Assembly Torque	N⋅m	2.5	(for M4 x 0.7)

2410311332_LEM-DHAB-S-124_C454770.pdf

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