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XtremeSense™ TMR Technology Sensors

Allegro MicroSystems XtremeSense™ TMR (Tunnel Magnetoresistance) Technology Sensors feature a range of high-bandwidth and ultra-low-noise integrated contact current sensors. XtremeSense TMR technology enables high magnetic sensitivity, extremely low power consumption, and smaller size compared to other magnetic technologies such as Hall, AMR, and GMR. Allegro MicroSystems XtremeSense TMR Technology Sensors are an ideal fit for high-growth industries such as automotive, industrial, and consumer goods that require higher accuracy, lower power consumption, and greater bandwidth.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) Filter the results in the table by unit price based on your quantity.	Qty.
Board Mount Motion & Position Sensors PASSIVE TMR DUAL BRIDGE, SIN/COS, DIFF OUTPUT, TSSOP-8 CT310LS-HT8 Allegro MicroSystems 1: S/ 6.50 9,698In Stock	Mfr. Part # CT310LS-HT8 Mouser Part # 462-CT310LS-HT8	Allegro MicroSystems	Board Mount Motion & Position Sensors PASSIVE TMR DUAL BRIDGE, SIN/COS, DIFF OUTPUT, TSSOP-8 Learn More about Allegro MicroSystems allegro ct310 tmr sensors	Datasheet	9,698In Stock	Cut Tape S/ 6.50 S/ 5.61 S/ 5.10 S/ 4.55 View Reel S/ 3.18 S/ 4.32 S/ 3.73 S/ 3.47 S/ 3.28 S/ 3.18	Min.: 1 Mult.: 1 : 3,000
Board Mount Current Sensors CT427-HSN820MR CT427-HSN820MR Allegro MicroSystems 1: S/ 14.25 4,298In Stock	Mfr. Part # CT427-HSN820MR Mouser Part # 462-CT427-HSN820MR	Allegro MicroSystems	Board Mount Current Sensors CT427-HSN820MR Learn More about Allegro MicroSystems crocus ct427 current sensors	Datasheet	4,298In Stock	Cut Tape S/ 14.25 S/ 13.08 S/ 12.53 S/ 11.87 View Reel S/ 9.81 S/ 11.41 S/ 10.86 S/ 10.24 S/ 10.00 S/ 9.81	Min.: 1 Mult.: 1 : 2,000
Board Mount Current Sensors CT430-HSWF20MR CT430-HSWF20MR Allegro MicroSystems 1: S/ 21.18 4,460In Stock NRND	Mfr. Part # CT430-HSWF20MR Mouser Part # 462-CT430-HSWF20MR NRND	Allegro MicroSystems	Board Mount Current Sensors CT430-HSWF20MR Learn More about Allegro MicroSystems crocus ct430 sensors	Datasheet	4,460In Stock	Cut Tape S/ 21.18 S/ 19.03 S/ 18.22 S/ 17.28 Reel S/ 13.78 View S/ 16.62 S/ 16.00 S/ 14.32 S/ 13.16 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(50APK;VDD=3.3V;Upto+125C)FLT#forOCD CT417-HSN850MR Allegro MicroSystems 1: S/ 14.67 1,607In Stock	Mfr. Part # CT417-HSN850MR Mouser Part # 462-CT417-HSN850MR	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(50APK;VDD=3.3V;Upto+125C)FLT#forOCD Learn More about Allegro MicroSystems crocus ct41x current sensors	Datasheet	1,607In Stock	Cut Tape S/ 14.67 S/ 13.16 S/ 12.57 S/ 11.87 View Reel S/ 8.87 S/ 11.41 S/ 10.98 S/ 9.69 S/ 9.38 S/ 8.87	Min.: 1 Mult.: 1 : 2,000
Board Mount Current Sensors CT450-H12DRSN08 CT450-H12DRSN08 Allegro MicroSystems 1: S/ 17.56 1,761In Stock	Mfr. Part # CT450-H12DRSN08 Mouser Part # 462-CT450-H12DRSN08	Allegro MicroSystems	Board Mount Current Sensors CT450-H12DRSN08 Learn More about Allegro MicroSystems crocus ct450 sensors	Datasheet	1,761In Stock	Cut Tape S/ 17.56 S/ 15.73 S/ 15.06 S/ 14.25 View Reel S/ 10.86 S/ 13.70 S/ 13.20 S/ 11.83 S/ 11.44 S/ 10.86 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Board Mount Current Sensors CT430-HSWF50MR CT430-HSWF50MR Allegro MicroSystems 1: S/ 21.18 737In Stock NRND	Mfr. Part # CT430-HSWF50MR Mouser Part # 462-CT430-HSWF50MR NRND	Allegro MicroSystems	Board Mount Current Sensors CT430-HSWF50MR Learn More about Allegro MicroSystems crocus ct430 sensors	Datasheet	737In Stock	Cut Tape S/ 21.18 S/ 19.03 S/ 18.22 S/ 17.28 Reel S/ 13.78 View S/ 16.62 S/ 16.00 S/ 14.32 S/ 13.16 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors CT426-HSN830MR CT426-HSN830MR Allegro MicroSystems 1: S/ 16.62 890In Stock NRND	Mfr. Part # CT426-HSN830MR Mouser Part # 462-CT426-HSN830MR NRND	Allegro MicroSystems	Board Mount Current Sensors CT426-HSN830MR Learn More about Allegro MicroSystems crocus ct426 current sensors	Datasheet	890In Stock	Cut Tape S/ 16.62 S/ 14.87 S/ 14.25 S/ 13.47 View Reel S/ 10.74 S/ 12.96 S/ 12.46 S/ 11.13 S/ 10.78 S/ 10.74 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Board Mount Current Sensors XtremeSense TMR 1MHz Bandwidth Contactless Current Sensor , <1% Total Error 8-lead SOIC (6 mT Unipolar; VDD = 5.0 V; Up to +125C) CT450-H06DRSN08 Allegro MicroSystems 1: S/ 27.44 1,696In Stock NRND	Mfr. Part # CT450-H06DRSN08 Mouser Part # 462-CT450-H06DRSN08 NRND	Allegro MicroSystems	Board Mount Current Sensors XtremeSense TMR 1MHz Bandwidth Contactless Current Sensor , <1% Total Error 8-lead SOIC (6 mT Unipolar; VDD = 5.0 V; Up to +125C) Learn More about Allegro MicroSystems crocus ct450 sensors	Datasheet	1,696In Stock	Cut Tape S/ 27.44 S/ 23.12 S/ 21.53 S/ 19.50 View Reel S/ 13.31 S/ 18.14 S/ 16.85 S/ 14.52 S/ 13.97 S/ 13.31 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Board Mount Current Sensors CT450-H12MRSN08 CT450-H12MRSN08 Allegro MicroSystems 1: S/ 17.56 987In Stock	Mfr. Part # CT450-H12MRSN08 Mouser Part # 462-CT450-H12MRSN08	Allegro MicroSystems	Board Mount Current Sensors CT450-H12MRSN08 Learn More about Allegro MicroSystems crocus ct450 sensors	Datasheet	987In Stock	Cut Tape S/ 17.56 S/ 15.73 S/ 15.06 S/ 14.25 View Reel S/ 10.86 S/ 13.70 S/ 13.20 S/ 11.83 S/ 11.44 S/ 10.86 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Board Mount Current Sensors CT431-HSWF20MR CT431-HSWF20MR Allegro MicroSystems 1: S/ 21.18 876In Stock NRND	Mfr. Part # CT431-HSWF20MR Mouser Part # 462-CT431-HSWF20MR NRND	Allegro MicroSystems	Board Mount Current Sensors CT431-HSWF20MR Learn More about Allegro MicroSystems crocus ct431 sensors	Datasheet	876In Stock	Cut Tape S/ 21.18 S/ 19.03 S/ 18.22 S/ 17.28 Reel S/ 13.78 View S/ 16.62 S/ 16.00 S/ 14.32 S/ 13.16 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors CT430-HSWF20DR CT430-HSWF20DR Allegro MicroSystems 1: S/ 21.18 1,423In Stock NRND	Mfr. Part # CT430-HSWF20DR Mouser Part # 462-CT430-HSWF20DR NRND	Allegro MicroSystems	Board Mount Current Sensors CT430-HSWF20DR Learn More about Allegro MicroSystems crocus ct430 sensors	Datasheet	1,423In Stock	Cut Tape S/ 21.18 S/ 19.03 S/ 18.22 S/ 17.28 Reel S/ 13.78 View S/ 16.62 S/ 16.00 S/ 14.32 S/ 13.16 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors CT431-HSWF50DR CT431-HSWF50DR Allegro MicroSystems 1: S/ 21.18 788In Stock NRND	Mfr. Part # CT431-HSWF50DR Mouser Part # 462-CT431-HSWF50DR NRND	Allegro MicroSystems	Board Mount Current Sensors CT431-HSWF50DR Learn More about Allegro MicroSystems crocus ct431 sensors	Datasheet	788In Stock	Cut Tape S/ 21.18 S/ 19.03 S/ 18.22 S/ 17.28 Reel S/ 13.78 View S/ 16.62 S/ 16.00 S/ 14.32 S/ 13.74 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors CT430-HSWF50DR CT430-HSWF50DR Allegro MicroSystems 1: S/ 21.18 737In Stock NRND	Mfr. Part # CT430-HSWF50DR Mouser Part # 462-CT430-HSWF50DR NRND	Allegro MicroSystems	Board Mount Current Sensors CT430-HSWF50DR Learn More about Allegro MicroSystems crocus ct430 sensors	Datasheet	737In Stock	Cut Tape S/ 21.18 S/ 19.03 S/ 18.22 S/ 17.28 Reel S/ 13.78 View S/ 16.62 S/ 16.00 S/ 14.32 S/ 13.00 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors CT431-HSWF20DR CT431-HSWF20DR Allegro MicroSystems 1: S/ 21.18 511In Stock NRND	Mfr. Part # CT431-HSWF20DR Mouser Part # 462-CT431-HSWF20DR NRND	Allegro MicroSystems	Board Mount Current Sensors CT431-HSWF20DR Learn More about Allegro MicroSystems crocus ct431 sensors	Datasheet	511In Stock	Cut Tape S/ 21.18 S/ 19.00 S/ 18.22 S/ 17.24 Reel S/ 13.78 View S/ 16.58 S/ 16.00 S/ 14.32 S/ 13.16 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,<1%TotalError16-leadSOICWide(65ADC;VDD=3.3V;Upto+125C) CT431-HSWF65DR Allegro MicroSystems 1: S/ 21.18 1,404In Stock NRND	Mfr. Part # CT431-HSWF65DR Mouser Part # 462-CT431-HSWF65DR NRND	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,<1%TotalError16-leadSOICWide(65ADC;VDD=3.3V;Upto+125C) Learn More about Allegro MicroSystems crocus ct431 sensors	Datasheet	1,404In Stock	Cut Tape S/ 21.18 S/ 19.00 S/ 18.18 S/ 17.24 Reel S/ 13.78 View S/ 16.58 S/ 16.00 S/ 14.32 S/ 13.16	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors CT426-HSN830DR CT426-HSN830DR Allegro MicroSystems 1: S/ 16.62 4,699In Stock NRND	Mfr. Part # CT426-HSN830DR Mouser Part # 462-CT426-HSN830DR NRND	Allegro MicroSystems	Board Mount Current Sensors CT426-HSN830DR Learn More about Allegro MicroSystems crocus ct426 current sensors	Datasheet	4,699In Stock	Cut Tape S/ 16.62 S/ 14.91 S/ 14.25 S/ 13.47 View Reel S/ 10.24 S/ 12.96 S/ 12.49 S/ 11.13 S/ 10.78 S/ 10.24	Min.: 1 Mult.: 1 : 2,000
Board Mount Current Sensors CT430-HSWF30MR CT430-HSWF30MR Allegro MicroSystems 1: S/ 21.18 3,815In Stock NRND	Mfr. Part # CT430-HSWF30MR Mouser Part # 462-CT430-HSWF30MR NRND	Allegro MicroSystems	Board Mount Current Sensors CT430-HSWF30MR Learn More about Allegro MicroSystems crocus ct430 sensors	Datasheet	3,815In Stock	Cut Tape S/ 21.18 S/ 19.00 S/ 18.22 S/ 17.24 Reel S/ 13.78 View S/ 16.58 S/ 16.00 S/ 14.32 S/ 11.79 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,<1%TotalError16-leadSOICWide(65APK;VDD=5.0V;Upto+125C) CT430-HSWF65MR Allegro MicroSystems 1: S/ 21.18 891In Stock NRND	Mfr. Part # CT430-HSWF65MR Mouser Part # 462-CT430-HSWF65MR NRND	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,<1%TotalError16-leadSOICWide(65APK;VDD=5.0V;Upto+125C) Learn More about Allegro MicroSystems allegro ct430 sensors	Datasheet	891In Stock	Cut Tape S/ 21.18 S/ 19.03 S/ 18.22 S/ 17.28 Reel S/ 13.78 View S/ 16.62 S/ 16.00 S/ 14.32 S/ 13.16	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors CT431-HSWF50MR CT431-HSWF50MR Allegro MicroSystems 1: S/ 19.46 688In Stock NRND	Mfr. Part # CT431-HSWF50MR Mouser Part # 462-CT431-HSWF50MR NRND	Allegro MicroSystems	Board Mount Current Sensors CT431-HSWF50MR Learn More about Allegro MicroSystems crocus ct431 sensors	Datasheet	688In Stock	Cut Tape S/ 19.46 S/ 17.17 S/ 16.31 S/ 15.26 View Reel S/ 12.88 S/ 14.52 S/ 13.82 S/ 12.92 S/ 12.88 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(65APK;VDD=5.0V;Upto+85C) CT425-ESN865MR Allegro MicroSystems 1: S/ 19.73 1,382In Stock NRND	Mfr. Part # CT425-ESN865MR Mouser Part # 462-CT425-ESN865MR NRND	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(65APK;VDD=5.0V;Upto+85C) Learn More about Allegro MicroSystems crocus ct425 current sensors	Datasheet	1,382In Stock	Cut Tape S/ 19.73 S/ 16.66 S/ 15.45 S/ 14.05 View Reel S/ 9.50 S/ 13.04 S/ 12.14 S/ 10.35 S/ 10.00 S/ 9.50	Min.: 1 Mult.: 1 : 2,000
Board Mount Current Sensors XtremeSense TMR Ultra-Low Noise, <1% Total Error 16-lead SOIC Wide (50 ADC; VDD = 5.0 V; Up to +85C) CT430-ESWF50DR Allegro MicroSystems 1: S/ 31.26 499In Stock NRND	Mfr. Part # CT430-ESWF50DR Mouser Part # 462-CT430-ESWF50DR NRND	Allegro MicroSystems	Board Mount Current Sensors XtremeSense TMR Ultra-Low Noise, <1% Total Error 16-lead SOIC Wide (50 ADC; VDD = 5.0 V; Up to +85C) Learn More about Allegro MicroSystems crocus ct430 sensors	Datasheet	499In Stock	Cut Tape S/ 31.26 S/ 26.35 S/ 24.48 S/ 22.23 Reel View S/ 20.63 S/ 19.19 S/ 16.78 S/ 16.08 S/ 15.73 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors CT426-HSN820MR CT426-HSN820MR Allegro MicroSystems 1: S/ 18.96 4,589In Stock NRND	Mfr. Part # CT426-HSN820MR Mouser Part # 462-CT426-HSN820MR NRND	Allegro MicroSystems	Board Mount Current Sensors CT426-HSN820MR Learn More about Allegro MicroSystems crocus ct426 current sensors	Datasheet	4,589In Stock	Cut Tape S/ 18.96 S/ 16.43 S/ 15.45 S/ 14.29 View Reel S/ 9.19 S/ 13.51 S/ 12.77 S/ 11.13 S/ 10.78 S/ 9.19	Min.: 1 Mult.: 1 : 2,000
Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(50APK;VDD=3.3V;Upto+125C) CT426-HSN850MR Allegro MicroSystems 1: S/ 16.62 1,575In Stock NRND	Mfr. Part # CT426-HSN850MR Mouser Part # 462-CT426-HSN850MR NRND	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(50APK;VDD=3.3V;Upto+125C) Learn More about Allegro MicroSystems allegro ct430 sensors	Datasheet	1,575In Stock	Cut Tape S/ 16.62 S/ 14.91 S/ 14.25 S/ 13.47 View Reel S/ 10.24 S/ 12.96 S/ 12.38 S/ 11.13 S/ 10.78 S/ 10.24	Min.: 1 Mult.: 1 : 2,000
Board Mount Current Sensors XtremeSense TMR Ultra-Low Noise, <1% Total Error 16-lead SOIC Wide (50 APK; VDD = 5.0 V; Up to +85C) CT430-ESWF50MR Allegro MicroSystems 1: S/ 31.26 455In Stock NRND	Mfr. Part # CT430-ESWF50MR Mouser Part # 462-CT430-ESWF50MR NRND	Allegro MicroSystems	Board Mount Current Sensors XtremeSense TMR Ultra-Low Noise, <1% Total Error 16-lead SOIC Wide (50 APK; VDD = 5.0 V; Up to +85C) Learn More about Allegro MicroSystems crocus ct430 sensors	Datasheet	455In Stock	Cut Tape S/ 31.26 S/ 26.35 S/ 24.48 S/ 22.23 Reel View S/ 20.63 S/ 19.19 S/ 16.78 S/ 16.08 S/ 15.73 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors XtremeSense TMR Ultra-Low Noise, <1% Total Error 16-lead SOIC Wide (20 APK; VDD = 5.0 V; Up to +85C) CT430-ESWF20MR Allegro MicroSystems 1: S/ 27.01 420In Stock NRND	Mfr. Part # CT430-ESWF20MR Mouser Part # 462-CT430-ESWF20MR NRND	Allegro MicroSystems	Board Mount Current Sensors XtremeSense TMR Ultra-Low Noise, <1% Total Error 16-lead SOIC Wide (20 APK; VDD = 5.0 V; Up to +85C) Learn More about Allegro MicroSystems crocus ct430 sensors	Datasheet	420In Stock	Cut Tape S/ 27.01 S/ 22.77 S/ 21.14 S/ 19.19 Reel View S/ 17.83 S/ 16.58 S/ 14.29 S/ 13.70 S/ 13.12 MouseReel Available	Min.: 1 Mult.: 1 : 1,000

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