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Honeywell International Electronic Components Datasheet

SS361CT Datasheet

Latching Digital Hall-effect Sensor

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High Sensitivity, Latching Digital Hall-effect Sensor ICs:
SS361CT, SS461C
32309592
Issue A
Datasheet
SS461C
SS361CT
FEATURES
• Enhanced sensitivity
• Latching magnetics respond to alternating North and South
poles
• Wide operating voltage range of 4 Vdc to 24 Vdc
• Built-in reverse voltage capability enhances the protection of
the sensor and the circuits with which it is used
• Robust design: will operate up to 125 °C [257 °F]
• RoHS-compliant materials meet Directive 2002/95/EC
DESCRIPTION
The SS361CT and SS461C High Sensitivity Latching Hall-effect
Sensor ICs are small, sensitive, and versatile devices that are
operated by the magnetic field from a permanent magnet or
an electromagnet. They are designed to respond to alternating
North and South poles. The SS361CT is turned on by a North
pole while the SS461C is turned on by a South pole.
These products offer reverse polarity protection and deliver
enhanced sensitivity of only 50 G typical, at 25 °C [77 °F], 80
G max. at -40 °C to 85 °C [-40 °F to 185 °F], and 95 G over the
full temperature range, allowing the use of smaller, potentially
lower-cost magnets or wider air gaps.
These products are available in three package styles:
SS361CT: Subminiature SOT-23 surface-mount package
on tape and reel which allows for compact design with
automated component placement.
SS461C: Flat TO-92-style package with straight leads in bulk
packaging which allows for a compact PC board layout.
POTENTIAL APPLICATIONS
Transportation
• Speed and RPM sensing
• Tachometer, counter pickup
• Motor and fan control
• Electronic window lift
• Convertible roof position
Industrial
• Flow-rate sensing for appliances
• Speed and RPM sensing
• Tachometer, counter pickup
• Brushless dc motor commutation
• Motor and fan control
• Robotics control
PORTFOLIO
The SS361CT and SS461C are part of Honeywell’s family of
Latching Digital Hall-effect Sensor ICs, including:
SS360PT, SS460P, SS460P-T2
SS360NT, SS360ST, SS360ST-10K SS460S, SS460S-T2
SS361RT, SS461R
• SS46
SS461A, SS466A
Sensing and Productivity Solutions


Honeywell International Electronic Components Datasheet

SS361CT Datasheet

Latching Digital Hall-effect Sensor

No Preview Available !

High Sensitivity Latching Digital Hall-effect Sensor ICs:
SS361CT, SS461C
Table 1. Electrical and Environmental Specifications
(At Vs = 4.0 Vdc to 24.0 Vdc, 20 mA load, TA = -40 ºC to 125 ºC [-40 ºF to 257 ºF] except where otherwise specified.
Characteristic
CCondition
Min.
Typ.
Max.
Unit
Supply voltage
Supply current
Output current
4.0
Vsupply = 5 Vdc at 25 °C [77 °F]
24.0
VVdc
6.0
8.0
mA
20.0
mA
Vsat
Output leakage current
Gauss > 95
Gauss < -95
0.4
V
10.0
μA
Rise/fall time
Thermal resistance
Magnetic characteristics:
Operate (Bop)
Operate (Bop)
Release (Brp)
Release (Brp)
Differential
Differential
Operating temperature
25 °C [77 °F]
1.5
μs
single layer, single sided PCB
303
°C/W
-40 °C to 85 °C [-40 °F to 185 °F]
5
50
80
-5
50
95
-40 °C to 85 °C [-40 °F to 185 °F]
-80
-50
-5
Gauss
-95
-50
-5
-40 °C to 85 °C [-40 °F to 185 °F]
50
100
160
50
100
190
-40 [-40]
125 [257]
°C [°F]
Storage temperature
Soldering temperature and time:
SS361CT
SS461C
-40 [-40]
150 [302]
°C [°F]
infrared reflow process: 245 °C [473 °F] for 10 s max.
wave soldering process: 250 °C to 260 °C [482 °F to 500 °F] for 3 s max.
NOTICE
These Hall-effect sensor ICs may have an
initial output in either the ON or OFF state
if powered up with an applied magnetic
field in the differential zone (applied
magnetic field >Brp and <Bop). Honeywell
recommends allowing 10 μs after supply
voltage has reached 5 V (SS361CT) or
3 V (SS461C) for the output voltage to
stabilize.
NOTICE
The magnetic field strength (Gauss)
required to cause the switch to change
state (operate and release) will be as
specified in the magnetic characteristics.
To test the switch against the specified
limits, the switch must be placed in a
uniform magnetic field.
CAUTION
ELECTROSTATIC
SENSITIVE
DEVICES
DO NOT OPEN OR HANDLE
EXCEPT AT A
STATIC FREE WORKSTATION
ESD SENSITIVITY:
CLASS 1C
Table 2. Absolute Maximum Specifications
Characteristic
Supply voltage
Min.
Typ.
Max.
Unit
-28.0
28.0
V
Applied output voltage
-0.5
28.0
V
Output current
20.0
mA
Magnetic flux
no limit
Gauss
NOTICE
Absolute maximum ratings are the extreme limits the device will momentarily withstand without damage to the device. Electrical
and mechanical characteristics are not guaranteed if the specified voltage and/or currents are exceeded, nor will the device
necessarily operate at absolute maximum ratings.
2 Sensing and Productivity Solutions


Part Number SS361CT
Description Latching Digital Hall-effect Sensor
Maker HONEYWELL
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