Current Sensors

Current Sensors are devices designed to detect an electric current in a circuit and to generate a signal that is proportional to that current. The signal can be measured and displayed or stored for further analysis. Current sensors can measure both AC and DC and can be divided into 2 categories:
• In-line sensors – mounted as an integral part of circuit
• Clamp type sensors – they can be clamped around the wire to be measured
Current Sensors use 3 working technology types:
• Hall Effect – Hall Effect sensors consist a core, Hall Effect device and signal conditioning circuitry. Sensors work when current conductor passes through a magnetically permeable core that concentrates the conductor’s magnetic field. The energised Hall device is then exposed to magnetic field from the core and it produces a potential difference that can be measured and amplified.
• Inductive – Inductive sensors use a coil through which a current-carrying wire passes. This causes power to flow in the coil that is proportional to the current. The current flow then can be measured or transformed.
• Magnetoresistive – a current flows through the plate and the effect is the property of certain materials to change the value of its resistance. When the current flows for a longer distance, resistance is increased and decreased at the shorter distance.

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Description Price Offset Voltage Quiescent Current Package Type Pin Count Mounting Type Dimensions Maximum Input Voltage Minimum Input Voltage Product Height Product Length Product Width Automotive Standard
RS Stock No. 170-9143
Mfr. Part No.ACS770LCB-050B-PFF-T
HK$65.106
Each (In a Tube of 34)
units
±6mV - PFF 5 Through Hole 10 x 13 x 7mm 5.5 V 4.5 V 7mm 14mm 13mm -
RS Stock No. 179-7073
Mfr. Part No.INA4181A1IPWR
HK$8.181
Each (In a Pack of 10)
units
±500µV 1000µA TSSOP 20 Surface Mount 6.6 x 4.5 x 1.05mm 5.5 V 2.7 V 1.05mm 6.6mm 4.5mm -
RS Stock No. 146-4458
Mfr. Part No.ACS730KLCTR-40AB-T
HK$20.904
Each (On a Reel of 500)
units
75mV - SOIC 8 Surface Mount 4.9 x 3.9 x 1.5mm 5.5 V 4.5 V 1.5mm 4.9mm 3.9mm -
New
RS Stock No. 186-9341
Mfr. Part No.FAN4010IL6X-F113
HK$5.798
Each (In a Pack of 25)
units
- 3.5µA MLP 6 Surface Mount 1.45 x 1 x 0.45mm 6 V 2 V 0.45mm 1.45mm 1mm -
RS Stock No. 179-3973
Mfr. Part No.PAC1934T-I/JQ
HK$13.156
Each (On a Reel of 3300)
units
±0.1mV - UQFN 16 Surface Mount 4 x 4 x 0.5mm 5.5 V 2.7 V 0.5mm 4mm 4mm -
New
RS Stock No. 188-4867
Mfr. Part No.SIC830AED-T1-GE3
BrandVishay
HK$26.049
Each (On a Reel of 3000)
units
- - PowerPAK MLP39 39 Surface Mount 6.1 x 5.1 x 0.8 19 V 12 V 0.8mm 6.1mm 5.1mm -
RS Stock No. 179-3971
Mfr. Part No.PAC1932T-I/JQ
HK$7.725
Each (On a Reel of 3300)
units
±0.1mV - UQFN 16 Surface Mount 4 x 4 x 0.5 5.5 V 2.7 V 0.5mm 4mm 4mm -
New
RS Stock No. 188-5150
Mfr. Part No.SIC830AED-T1-GE3
BrandVishay
HK$54.98
Each (In a Pack of 2)
units
- - PowerPAK MLP39 39 Surface Mount 6.1 x 5.1 x 0.8 19 V 12 V 0.8mm 6.1mm 5.1mm -
RS Stock No. 179-4001
Mfr. Part No.MCP39F511A-E/MQ
HK$23.536
Each (In a Pack of 5)
units
±1mV - QFN 28 Surface Mount 5 x 5 x 0.95mm 3.6 V 2.7 V 0.95mm 5mm 5mm -
RS Stock No. 850-7906
Mfr. Part No.ADM1191-2ARMZ-R7
HK$38.935
Each (In a Pack of 2)
units
- - MSOP 10 Surface Mount 3.1 x 3.1 x 0.95mm 26 V 3.15 V 0.95mm 3.1mm 3.1mm -
RS Stock No. 866-0770
Mfr. Part No.ACS722LLCTR-20AB-T
HK$44.01
Each (In a Pack of 2)
units
±15mV - SOIC 8 Surface Mount 4.9 x 3.9 x 1.5mm 3.6 V 3 V 1.5mm 4.9mm 3.9mm -
RS Stock No. 177-5554
Mfr. Part No.ACS722LLCTR-20AB-T
HK$32.612
Each (On a Reel of 3000)
units
±15mV - SOIC 8 Surface Mount 4.9 x 3.9 x 1.5mm 3.6 V 3 V 1.5mm 4.9mm 3.9mm -
RS Stock No. 866-0789
Mfr. Part No.ACS770LCB-050B-PFF-T
HK$59.90
Each
units
±6mV - PFF 5 Through Hole 10 x 13 x 7mm 5.5 V 4.5 V 7mm 14mm 13mm -
RS Stock No. 866-0795
Mfr. Part No.ACS770LCB-100U-PFF-T
HK$59.90
Each
units
±6mV - PFF 5 Through Hole 10 x 13 x 7mm 5.5 V 4.5 V 7mm 14mm 13mm -
RS Stock No. 146-4509
Mfr. Part No.ACS730KLCTR-40AB-T
HK$31.26
Each (In a Pack of 2)
units
75mV - SOIC 8 Surface Mount 4.9 x 3.9 x 1.5mm 5.5 V 4.5 V 1.5mm 4.9mm 3.9mm -
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