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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 Current Sensors CT433-HSWF20MR CT433-HSWF20MR Allegro MicroSystems 1: S/ 21.18 3,206In Stock	Mfr. Part # CT433-HSWF20MR Mouser Part # 462-CT433-HSWF20MR	Allegro MicroSystems	Board Mount Current Sensors CT433-HSWF20MR Learn More about Allegro MicroSystems allegro xtremesense tmr sensor	Datasheet	3,206In Stock	Cut Tape S/ 21.18 S/ 19.03 S/ 17.28 S/ 16.62 Reel S/ 14.32 View S/ 16.00 S/ 14.79 S/ 13.90 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Hall Effect / Magnetic Sensors XtremeSense TMR Omnipolar Switch with Push Pull Output CT8132BV-IS3 Allegro MicroSystems 1: S/ 3.62 41,258In Stock	Mfr. Part # CT8132BV-IS3 Mouser Part # 462-CT8132BV-IS3	Allegro MicroSystems	Board Mount Hall Effect / Magnetic Sensors XtremeSense TMR Omnipolar Switch with Push Pull Output Learn More about Allegro MicroSystems crocus technology ct813x tmr digital latches	Datasheet	41,258In Stock	Cut Tape S/ 3.62 S/ 3.17 S/ 2.82 S/ 2.65 View Reel S/ 2.03 S/ 2.50 S/ 2.22 S/ 2.11 S/ 2.03 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Hall Effect / Magnetic Sensors 1D X-AXIS LINEAR TMR SENSOR, ANA OUT, SELF CYCLE, SOT23-3 CT8150PC-HS3 Allegro MicroSystems 1: S/ 7.01 16,070In Stock	Mfr. Part # CT8150PC-HS3 Mouser Part # 462-CT8150PC-HS3	Allegro MicroSystems	Board Mount Hall Effect / Magnetic Sensors 1D X-AXIS LINEAR TMR SENSOR, ANA OUT, SELF CYCLE, SOT23-3 Learn More about Allegro MicroSystems crocus ct815 sensors	Datasheet	16,070In Stock	Cut Tape S/ 7.01 S/ 6.23 S/ 5.57 S/ 5.33 View Reel S/ 4.09 S/ 5.10 S/ 4.67 S/ 4.52 S/ 4.28 S/ 4.09	Min.: 1 Mult.: 1 : 3,000
Board Mount Current Sensors CT450-H00MRSN08 CT450-H00MRSN08 Allegro MicroSystems 1: S/ 22.62 3,909In Stock	Mfr. Part # CT450-H00MRSN08 Mouser Part # 462-CT450-H00MRSN08	Allegro MicroSystems	Board Mount Current Sensors CT450-H00MRSN08 Learn More about Allegro MicroSystems crocus ct450 sensors	Datasheet	3,909In Stock	Cut Tape S/ 22.62 S/ 19.07 S/ 17.71 S/ 14.95 View Reel S/ 10.82 S/ 13.90 S/ 12.81 S/ 10.82 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Board Mount Current Sensors CT430-HSWF20MR CT430-HSWF20MR Allegro MicroSystems 1: S/ 21.18 1,160In 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	1,160In Stock	Cut Tape S/ 21.18 S/ 19.03 S/ 17.28 S/ 16.62 Reel S/ 14.32 View S/ 16.00 S/ 14.79 S/ 13.90 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Hall Effect / Magnetic Sensors 1D X-AXIS LINEAR TMR BRIDGE, 1V/5.5V, DIFF. ANA OUT, SOT23-6 CT100LW-HS6 Allegro MicroSystems 1: S/ 4.67 15,684In Stock 36,000Expected 2/11/2027	Mfr. Part # CT100LW-HS6 Mouser Part # 462-CT100LW-HS6	Allegro MicroSystems	Board Mount Hall Effect / Magnetic Sensors 1D X-AXIS LINEAR TMR BRIDGE, 1V/5.5V, DIFF. ANA OUT, SOT23-6 Learn More about Allegro MicroSystems crocus ct100 tmr sensors	Datasheet	15,684In Stock 36,000Expected 2/11/2027	Cut Tape S/ 4.67 S/ 4.13 S/ 3.66 S/ 3.50 View Reel S/ 2.67 S/ 3.34 S/ 3.04 S/ 2.92 S/ 2.76 S/ 2.67	Min.: 1 Mult.: 1 : 3,000
Board Mount Current Sensors CT427-HSN820MR CT427-HSN820MR Allegro MicroSystems 1: S/ 17.63 4,172In 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	4,172In Stock	Cut Tape S/ 17.63 S/ 15.80 S/ 14.29 S/ 13.20 Reel S/ 11.02 View S/ 12.46 S/ 11.87 S/ 11.44 S/ 10.59	Min.: 1 Mult.: 1 : 2,000
Board Mount Current Sensors CT426-HSN820DR CT426-HSN820DR Allegro MicroSystems 1: S/ 16.62 836In Stock NRND	Mfr. Part # CT426-HSN820DR Mouser Part # 462-CT426-HSN820DR NRND	Allegro MicroSystems	Board Mount Current Sensors CT426-HSN820DR Learn More about Allegro MicroSystems crocus ct426 current sensors	Datasheet	836In Stock	Cut Tape S/ 16.62 S/ 14.91 S/ 13.47 S/ 12.96 Reel S/ 10.74 View S/ 12.49 S/ 11.52 S/ 11.13 S/ 10.67	Min.: 1 Mult.: 1 : 2,000
Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,<1%TotalError16-leadSOICWide(65ADC;VDD=5.0V;Upto+125C) CT430-HSWF65DR Allegro MicroSystems 1: S/ 21.18 996In Stock NRND	Mfr. Part # CT430-HSWF65DR Mouser Part # 462-CT430-HSWF65DR NRND	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,<1%TotalError16-leadSOICWide(65ADC;VDD=5.0V;Upto+125C) Learn More about Allegro MicroSystems allegro ct430 sensors	Datasheet	996In Stock	Cut Tape S/ 21.18 S/ 19.03 S/ 17.28 S/ 16.62 Reel S/ 14.56 View S/ 16.00 S/ 14.79 S/ 14.32 Quote	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,<1%TotalError16-leadSOICWide(40APK;VDD=3.3V;Upto+125C) CT431-HSWF40MR Allegro MicroSystems 1: S/ 21.18 803In Stock NRND	Mfr. Part # CT431-HSWF40MR Mouser Part # 462-CT431-HSWF40MR NRND	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,<1%TotalError16-leadSOICWide(40APK;VDD=3.3V;Upto+125C) Learn More about Allegro MicroSystems crocus ct431 sensors	Datasheet	803In Stock	Cut Tape S/ 21.18 S/ 19.03 S/ 17.28 S/ 16.62 Reel S/ 14.32 View S/ 16.00 S/ 14.79 S/ 13.90 Quote	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors CT450-H00MRTS08 CT450-H00MRTS08 Allegro MicroSystems 1: S/ 17.56 457In Stock	Mfr. Part # CT450-H00MRTS08 Mouser Part # 462-CT450-H00MRTS08	Allegro MicroSystems	Board Mount Current Sensors CT450-H00MRTS08 Learn More about Allegro MicroSystems crocus ct450 sensors	Datasheet	457In Stock	Cut Tape S/ 17.56 S/ 15.73 S/ 14.25 S/ 13.70 View Reel S/ 11.21 S/ 13.20 S/ 12.18 S/ 11.79 S/ 11.25 S/ 11.21 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Current Sensors CT427-HSN830MR CT427-HSN830MR Allegro MicroSystems 1: S/ 19.66 55In Stock 24,000Expected 7/5/2027	Mfr. Part # CT427-HSN830MR Mouser Part # 462-CT427-HSN830MR	Allegro MicroSystems	Board Mount Current Sensors CT427-HSN830MR Learn More about Allegro MicroSystems crocus ct427 current sensors	Datasheet	55In Stock 24,000Expected 7/5/2027	Cut Tape S/ 19.66 S/ 16.97 S/ 15.61 S/ 13.90 View Reel S/ 10.98 S/ 13.12 S/ 11.87 S/ 11.44 S/ 10.98 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Board Mount Current Sensors CT450-H06MRSN08 CT450-H06MRSN08 Allegro MicroSystems 1: S/ 17.56 1,975In Stock	Mfr. Part # CT450-H06MRSN08 Mouser Part # 462-CT450-H06MRSN08	Allegro MicroSystems	Board Mount Current Sensors CT450-H06MRSN08 Learn More about Allegro MicroSystems crocus ct450 sensors	Datasheet	1,975In Stock	Cut Tape S/ 17.56 S/ 15.73 S/ 14.25 S/ 13.70 Reel S/ 11.41 View S/ 13.20 S/ 12.18 S/ 11.79 S/ 11.33 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,<1%TotalError16-leadSOICWide(65APK;VDD=3.3V;Upto+125C) CT431-HSWF65MR Allegro MicroSystems 1: S/ 24.48 814In Stock NRND	Mfr. Part # CT431-HSWF65MR Mouser Part # 462-CT431-HSWF65MR NRND	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,<1%TotalError16-leadSOICWide(65APK;VDD=3.3V;Upto+125C) Learn More about Allegro MicroSystems crocus ct431 sensors	Datasheet	814In Stock	Cut Tape S/ 24.48 S/ 21.14 S/ 19.46 S/ 17.32 View Reel S/ 13.94 S/ 16.39 S/ 14.87 S/ 13.94 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 = 3.3 V; Up to +85C) CT431-ESWF20MR Allegro MicroSystems 1: S/ 27.01 190In Stock NRND	Mfr. Part # CT431-ESWF20MR Mouser Part # 462-CT431-ESWF20MR NRND	Allegro MicroSystems	Board Mount Current Sensors XtremeSense TMR Ultra-Low Noise, <1% Total Error 16-lead SOIC Wide (20 APK; VDD = 3.3 V; Up to +85C) Learn More about Allegro MicroSystems crocus ct431 sensors	Datasheet	190In Stock	Cut Tape S/ 27.01 S/ 22.77 S/ 21.14 S/ 17.83 View Reel S/ 13.55 S/ 16.58 S/ 15.96 S/ 13.55 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(50APK;VDD=5.0V;Upto+125C)FLT#forOCD CT418-HSN850MR Allegro MicroSystems 1: S/ 14.67 10In Stock 6,000Expected 12/24/2026	Mfr. Part # CT418-HSN850MR Mouser Part # 462-CT418-HSN850MR	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(50APK;VDD=5.0V;Upto+125C)FLT#forOCD Learn More about Allegro MicroSystems crocus ct41x current sensors	Datasheet	10In Stock 6,000Expected 12/24/2026	Cut Tape S/ 14.67 S/ 13.16 S/ 11.87 S/ 11.41 Reel S/ 9.19 View S/ 10.98 S/ 10.12 S/ 9.77 S/ 8.99	Min.: 1 Mult.: 1 : 2,000
Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(50APK;VDD=3.3V;Upto+125C)withFLTPin CT427-HSN850MR Allegro MicroSystems 1: S/ 19.19 11,120Expected 7/9/2027	Mfr. Part # CT427-HSN850MR Mouser Part # 462-CT427-HSN850MR	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(50APK;VDD=3.3V;Upto+125C)withFLTPin Learn More about Allegro MicroSystems allegro ct430 sensors	Datasheet	11,120Expected 7/9/2027	Cut Tape S/ 19.19 S/ 16.58 S/ 15.26 S/ 13.55 View Reel S/ 10.82 S/ 12.81 S/ 11.56 S/ 11.17 S/ 10.82	Min.: 1 Mult.: 1 : 2,000
Board Mount Current Sensors CT433-HSWF50MR CT433-HSWF50MR Allegro MicroSystems 1: S/ 24.48 5,983Expected 7/9/2027	Mfr. Part # CT433-HSWF50MR Mouser Part # 462-CT433-HSWF50MR	Allegro MicroSystems	Board Mount Current Sensors CT433-HSWF50MR Learn More about Allegro MicroSystems allegro ct432 ct433 xtremesense sensors	Datasheet	5,983Expected 7/9/2027	Cut Tape S/ 24.48 S/ 21.14 S/ 19.46 S/ 17.32 View Reel S/ 14.36 S/ 16.39 S/ 14.87 S/ 14.36 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors CT433-HSWF30MR CT433-HSWF30MR Allegro MicroSystems 6,000: S/ 13.55 Non-Stocked Lead-Time 10 Weeks	Mfr. Part # CT433-HSWF30MR Mouser Part # 462-CT433-HSWF30MR	Allegro MicroSystems	Board Mount Current Sensors CT433-HSWF30MR Learn More about Allegro MicroSystems allegro xtremesense tmr sensor	Datasheet	Non-Stocked Lead-Time 10 Weeks	Cut Tape S/ 13.55 MouseReel Available	Min.: 6,000 Mult.: 6,000 : 1,000
Board Mount Current Sensors CT431-HSWF30MR CT431-HSWF30MR Allegro MicroSystems 6,000: S/ 13.86 Non-Stocked Lead-Time 10 Weeks NRND	Mfr. Part # CT431-HSWF30MR Mouser Part # 462-CT431-HSWF30MR NRND	Allegro MicroSystems	Board Mount Current Sensors CT431-HSWF30MR Learn More about Allegro MicroSystems crocus ct431 sensors	Datasheet	Non-Stocked Lead-Time 10 Weeks	Cut Tape S/ 13.86 MouseReel Available	Min.: 6,000 Mult.: 6,000 : 1,000
Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(20ADC;VDD=3.3V;Upto+125C)withFLTPin CT427-HSN820DR Allegro MicroSystems 1: S/ 17.63 Non-Stocked Lead-Time 36 Weeks	Mfr. Part # CT427-HSN820DR Mouser Part # 462-CT427-HSN820DR	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(20ADC;VDD=3.3V;Upto+125C)withFLTPin Learn More about Allegro MicroSystems allegro ct430 sensors	Datasheet	Non-Stocked Lead-Time 36 Weeks	Cut Tape S/ 17.63 S/ 15.80 S/ 14.29 S/ 13.74 View Reel S/ 10.82 S/ 13.23 S/ 12.18 S/ 11.83 S/ 10.82	Min.: 1 Mult.: 1 : 2,000
Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(30ADC;VDD=3.3V;Upto+125C)withFLTPin CT427-HSN830DR Allegro MicroSystems 6,000: S/ 10.82 Non-Stocked Lead-Time 36 Weeks	Mfr. Part # CT427-HSN830DR Mouser Part # 462-CT427-HSN830DR	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(30ADC;VDD=3.3V;Upto+125C)withFLTPin Learn More about Allegro MicroSystems allegro ct430 sensors	Datasheet	Non-Stocked Lead-Time 36 Weeks	Cut Tape S/ 10.82	Min.: 6,000 Mult.: 6,000 : 2,000
Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(50ADC;VDD=3.3V;Upto+125C)withFLTPin CT427-HSN850DR Allegro MicroSystems 6,000: S/ 10.82 Non-Stocked Lead-Time 36 Weeks	Mfr. Part # CT427-HSN850DR Mouser Part # 462-CT427-HSN850DR	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(50ADC;VDD=3.3V;Upto+125C)withFLTPin Learn More about Allegro MicroSystems allegro ct430 sensors	Datasheet	Non-Stocked Lead-Time 36 Weeks	Cut Tape S/ 10.82	Min.: 6,000 Mult.: 6,000 : 2,000
Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(65ADC;VDD=3.3V;Upto+125C)withFLTPin CT427-HSN865DR Allegro MicroSystems 6,000: S/ 10.82 Non-Stocked Lead-Time 36 Weeks	Mfr. Part # CT427-HSN865DR Mouser Part # 462-CT427-HSN865DR	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(65ADC;VDD=3.3V;Upto+125C)withFLTPin Learn More about Allegro MicroSystems allegro ct430 sensors	Datasheet	Non-Stocked Lead-Time 36 Weeks	Cut Tape S/ 10.82	Min.: 6,000 Mult.: 6,000 : 2,000
Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(65APK;VDD=3.3V;Upto+125C)withFLTPin CT427-HSN865MR Allegro MicroSystems 6,000: S/ 10.70 Non-Stocked Lead-Time 36 Weeks	Mfr. Part # CT427-HSN865MR Mouser Part # 462-CT427-HSN865MR	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(65APK;VDD=3.3V;Upto+125C)withFLTPin Learn More about Allegro MicroSystems allegro ct430 sensors	Datasheet	Non-Stocked Lead-Time 36 Weeks	Cut Tape S/ 10.70	Min.: 6,000 Mult.: 6,000 : 2,000

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XtremeSense™ TMR Technology Sensors

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