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CT432/CT433 TMR Current Sensor Compact Carriers

CT432/CT433 TMR Current Sensor Compact Carrier pinout.

We are offering these breakout boards with support from Allegro Microsystems as an easy way to use or evaluate their CT432/CT433 tunneling magnetoresistance (TMR), electrically isolated, high-bandwidth current sensors that are optimized for high dV/dt applications. The following list details some of the sensors’ key features:

These sensors are the compact versions, which feature smaller 0.8″×1.1″, 2- or 4-layer PCBs for integration into more space-constrained applications or for evaluation of the IC’s performance with a smaller PCB area and fewer copper layers for thermal dissipation. Larger versions with a 6-layer PCB are also available with space for larger connectors and thicker wires for the high-current path.

The following table lists the available CT432/CT433 compact carrier options:

Pololu
Item #
Part Prefix Supply Voltage
(V)
Part Suffix Current
Range
Sensitivity
(mV/A)
Zero Point PCB
Details
Price


Compact Carrier
(0.8″×1.1″)
#5310 CT433 3.0 to 3.6
(3.3 nominal)
20MR Bidirectional ±20 A 50 1.65 V 2 layers,
2-oz copper
$8.95
#5311 30MR ±30 A 33.3
#5313 50MR ±50 A 20 4 layers,
2-oz copper
$9.95
#5315 70MR ±70 A 14.3
#5316 20DR Unidirectional 0-20 A 100 0.65 V 2 layers,
2-oz copper
$8.95
#5317 30DR 0-30 A 66.7
#5318 50DR 0-50 A 40 4 layers,
2-oz copper
$9.95
#5319 65DR 0-65 A 30.8
#5300 CT432 4.75 to 5.5
(5 nominal)
20MR Bidirectional ±20 A 100 2.5 V 2 layers,
2-oz copper
$8.95
#5301 30MR ±30 A 66.7
#5302 50MR ±50 A 40 4 layers,
2-oz copper
$9.95
#5303 65MR ±65 A 30.8
#5304 20DR Unidirectional 0-20 A 200 0.5 V 2 layers,
2-oz copper
$8.95
#5305 30DR 0-30 A 133.3
#5306 50DR 0-50 A 80 4 layers,
2-oz copper
$9.95
#5308 70DR 0-70 A 57.1

Alternatives available with variations in these parameter(s): current range Select variant…

Products in category “CT432/CT433 TMR Current Sensor Compact Carriers”

Pololu item #: 5300
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This is the compact version of a simple carrier for Allegro’s CT432-HSWF20MR TMR-based, electrically isolated current sensor that is optimized for high dV/dt applications and offers a high 1 MHz bandwidth with low noise. The typical primary current path resistance of the sensor IC is 1 mΩ.

Part Prefix Part Suffix Range Supply Voltage Sensitivity Zero Point Size PCB layers
CT432 20MR ±20 A (bidirectional) 4.75 V to 5.5 V 100 mV/A 2.5 V 0.8″×1.1″ 2
Pololu item #: 5301
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This is the compact version of a simple carrier for Allegro’s CT432-HSWF30MR TMR-based, electrically isolated current sensor that is optimized for high dV/dt applications and offers a high 1 MHz bandwidth with low noise. The typical primary current path resistance of the sensor IC is 1 mΩ.

Part Prefix Part Suffix Range Supply Voltage Sensitivity Zero Point Size PCB layers
CT432 30MR ±30 A (bidirectional) 4.75 V to 5.5 V 66.7 mV/A 2.5 V 0.8″×1.1″ 2
Pololu item #: 5302
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This is the compact version of a simple carrier for Allegro’s CT432-HSWF50MR TMR-based, electrically isolated current sensor that is optimized for high dV/dt applications and offers a high 1 MHz bandwidth with low noise. The typical primary current path resistance of the sensor IC is 1 mΩ.

Part Prefix Part Suffix Range Supply Voltage Sensitivity Zero Point Size PCB layers
CT432 50MR ±50 A (bidirectional) 4.75 V to 5.5 V 40 mV/A 2.5 V 0.8″×1.1″ 4
Pololu item #: 5303
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This is the compact version of a simple carrier for Allegro’s CT432-HSWF65MR TMR-based, electrically isolated current sensor that is optimized for high dV/dt applications and offers a high 1 MHz bandwidth with low noise. The typical primary current path resistance of the sensor IC is 1 mΩ.

Part Prefix Part Suffix Range Supply Voltage Sensitivity Zero Point Size PCB layers
CT432 65MR ±65 A (bidirectional) 4.75 V to 5.5 V 30.8 mV/A 2.5 V 0.8″×1.1″ 4
Pololu item #: 5304
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This is the compact version of a simple carrier for Allegro’s CT432-HSWF20DR TMR-based, electrically isolated current sensor that is optimized for high dV/dt applications and offers a high 1 MHz bandwidth with low noise. The typical primary current path resistance of the sensor IC is 1 mΩ.

Part Prefix Part Suffix Range Supply Voltage Sensitivity Zero Point Size PCB layers
CT432 20DR 0-20 A (unidirectional) 4.75 V to 5.5 V 200 mV/A 0.5 V 0.8″×1.1″ 2
Pololu item #: 5305
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This is the compact version of a simple carrier for Allegro’s CT432-HSWF30DR TMR-based, electrically isolated current sensor that is optimized for high dV/dt applications and offers a high 1 MHz bandwidth with low noise. The typical primary current path resistance of the sensor IC is 1 mΩ.

Part Prefix Part Suffix Range Supply Voltage Sensitivity Zero Point Size PCB layers
CT432 30DR 0-30 A (unidirectional) 4.75 V to 5.5 V 133.3 mV/A 0.5 V 0.8″×1.1″ 2
Pololu item #: 5306
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This is the compact version of a simple carrier for Allegro’s CT432-HSWF50DR TMR-based, electrically isolated current sensor that is optimized for high dV/dt applications and offers a high 1 MHz bandwidth with low noise. The typical primary current path resistance of the sensor IC is 1 mΩ.

Part Prefix Part Suffix Range Supply Voltage Sensitivity Zero Point Size PCB layers
CT432 50DR 0-50 A (unidirectional) 4.75 V to 5.5 V 80 mV/A 0.5 V 0.8″×1.1″ 4
Pololu item #: 5308
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This is the compact version of a simple carrier for Allegro’s CT432-HSWF70DR TMR-based, electrically isolated current sensor that is optimized for high dV/dt applications and offers a high 1 MHz bandwidth with low noise. The typical primary current path resistance of the sensor IC is 1 mΩ.

Part Prefix Part Suffix Range Supply Voltage Sensitivity Zero Point Size PCB layers
CT432 70DR 0-70 A (unidirectional) 4.75 V to 5.5 V 57.1 mV/A 0.5 V 0.8″×1.1″ 4
Pololu item #: 5310
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This is the compact version of a simple carrier for Allegro’s CT433-HSWF20MR TMR-based, electrically isolated current sensor that is optimized for high dV/dt applications and offers a high 1 MHz bandwidth with low noise. The typical primary current path resistance of the sensor IC is 1 mΩ.

Part Prefix Part Suffix Range Supply Voltage Sensitivity Zero Point Size PCB layers
CT433 20MR ±20 A (bidirectional) 3.0 V to 3.6 V 50 mV/A 1.65 V 0.8″×1.1″ 2
Pololu item #: 5311
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This is the compact version of a simple carrier for Allegro’s CT433-HSWF30MR TMR-based, electrically isolated current sensor that is optimized for high dV/dt applications and offers a high 1 MHz bandwidth with low noise. The typical primary current path resistance of the sensor IC is 1 mΩ.

Part Prefix Part Suffix Range Supply Voltage Sensitivity Zero Point Size PCB layers
CT433 30MR ±30 A (bidirectional) 3.0 V to 3.6 V 33.3 mV/A 1.65 V 0.8″×1.1″ 2
Pololu item #: 5313
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This is the compact version of a simple carrier for Allegro’s CT433-HSWF50MR TMR-based, electrically isolated current sensor that is optimized for high dV/dt applications and offers a high 1 MHz bandwidth with low noise. The typical primary current path resistance of the sensor IC is 1 mΩ.

Part Prefix Part Suffix Range Supply Voltage Sensitivity Zero Point Size PCB layers
CT433 50MR ±50 A (bidirectional) 3.0 V to 3.6 V 20 mV/A 1.65 V 0.8″×1.1″ 4
Pololu item #: 5315
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This is the compact version of a simple carrier for Allegro’s CT433-HSWF70MR TMR-based, electrically isolated current sensor that is optimized for high dV/dt applications and offers a high 1 MHz bandwidth with low noise. The typical primary current path resistance of the sensor IC is 1 mΩ.

Part Prefix Part Suffix Range Supply Voltage Sensitivity Zero Point Size PCB layers
CT433 70MR ±70 A (bidirectional) 3.0 V to 3.6 V 14.3 mV/A 1.65 V 0.8″×1.1″ 4
Pololu item #: 5316
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This is the compact version of a simple carrier for Allegro’s CT433-HSWF20DR TMR-based, electrically isolated current sensor that is optimized for high dV/dt applications and offers a high 1 MHz bandwidth with low noise. The typical primary current path resistance of the sensor IC is 1 mΩ.

Part Prefix Part Suffix Range Supply Voltage Sensitivity Zero Point Size PCB layers
CT433 20DR 0-20 A (unidirectional) 3.0 V to 3.6 V 100 mV/A 0.65 V 0.8″×1.1″ 2
Pololu item #: 5317
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This is the compact version of a simple carrier for Allegro’s CT433-HSWF30DR TMR-based, electrically isolated current sensor that is optimized for high dV/dt applications and offers a high 1 MHz bandwidth with low noise. The typical primary current path resistance of the sensor IC is 1 mΩ.

Part Prefix Part Suffix Range Supply Voltage Sensitivity Zero Point Size PCB layers
CT433 30DR 0-30 A (unidirectional) 3.0 V to 3.6 V 66.7 mV/A 0.65 V 0.8″×1.1″ 2
Pololu item #: 5318
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This is the compact version of a simple carrier for Allegro’s CT433-HSWF50DR TMR-based, electrically isolated current sensor that is optimized for high dV/dt applications and offers a high 1 MHz bandwidth with low noise. The typical primary current path resistance of the sensor IC is 1 mΩ.

Part Prefix Part Suffix Range Supply Voltage Sensitivity Zero Point Size PCB layers
CT433 50DR 0-50 A (unidirectional) 3.0 V to 3.6 V 40 mV/A 0.65 V 0.8″×1.1″ 4
Pololu item #: 5319
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This is the compact version of a simple carrier for Allegro’s CT433-HSWF65DR TMR-based, electrically isolated current sensor that is optimized for high dV/dt applications and offers a high 1 MHz bandwidth with low noise. The typical primary current path resistance of the sensor IC is 1 mΩ.

Part Prefix Part Suffix Range Supply Voltage Sensitivity Zero Point Size PCB layers
CT433 65DR 0-65 A (unidirectional) 3.0 V to 3.6 V 30.8 mV/A 0.65 V 0.8″×1.1″ 4

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