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SS411P

Bipolar Hall-effect Digital Position Sensors with Built-in Pull-up Resistor

Honeywell International 

SS311PT/SS411P

Table 1. SS311PT/SS411P Specifications (At 2.7 Vdc to 7 Vdc supply, 4 mA load, TA = -40 ºC to 150 ºC [-40 ºF to 302 ºF]

Characteristic

Condition

Minimum

Typical

Maximum

Unit

Supply voltage

-40 °C to 150 °C [-40 °F to 302 °F]

2.7

5.0

7.0

Vdc

Supply current

gauss <-140, Vs = 5 V, 25 °C [77°F]

–

-40 °C to 150 °C [-40 °F to 302 °F]

–

5.5

–

mA

–

14

Output current

–

–

–

4.0

mA

Vsat

gauss >140

–

–

0.4

V

Output leakage current

gauss <-140

–

–

10

µA

Output rise time

Output fall time

25 °C [77 °F]

–

–

1.5

µs

–

–

1.5

Thermal resistance:

SS311PT

–

–

303

–

°C/W

SS411P

–

–

233

–

Operate

-40 °C to 150 °C [-40 °F to 302 °F]

-30

55

140

gauss

Release

-40 °C to 150 °C [-40 °F to 302 °F]

-140

-55

30

gauss

Differential

-40 °C to 150 °C [-40 °F to 302 °F]

40

–

–

gauss

Operating temperature

–

-40 [-40]

–

150 [302]

°C [°F]

Storage temperature

–

-40 [-40]

–

150 [302]

°C [°F]

NOTICE

Bipolar Hall-effect sensors 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 for output voltage to stabilize

after supply voltage has reached 5 Vdc.

Table 2. SS311PT/SS411P Absolute Maximum Ratings1

Characteristic

Minimum

Typical

Maximum

Unit

Supply voltage

-0.5

–

7.0

Vdc

Applied output voltage

-0.5

–

7.0

Vdc

Output current

–

–

8.0

mA

Magnetic flux

–

–

no limit

gauss

Note 1: 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 magnetic characteristics, the switch must be placed in a

uniform magnetic field.

NOTICE

Absolute maximum ratings are the extreme limits that the device will withstand without

damage to the device. However, the electrical and mechanical characteristics are not

guaranteed as the maximum limits (above recommended operating conditions) are

approached, nor will the device necessarily operate at absolute maximum ratings.

Figure 1. Current Sinking Output Block Diagram

2

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