SF Speed Sensor

Quick Overview

  • Non-contact, solid state device
  • Tight magnetic tolerance around zero Gauss level provides 50% duty cycle
  • Reads speeds 0 to 100 kHz
  • Digital output signal
  • 4 to 24 VDC operation range
  • Current sinking output
  • 20 mA continuous operation
  • Reverse polarity protection
  • Temperature compensated
  • Operates from -40°C to 125°C
  • Rugged thermoplastic housing
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Product Description

Part Number Configuration Guide

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Product Specifications

Magnetic
Characteristic Symbol Limits
Min.Typ.Max.Units
Operating Point BOP 32 95 Gauss
Release Point BRP -95 -20 Gauss
Hysteresis BHYS 30 52 Gauss
Maximum Field Exposure BMAX Gauss
Active Element Depth DP 0.02 Inch
Electrical
Characteristic Symbol Test Condition
Limits
Min.Typ.Max.Units
Supply Voltage VCC Operating 4.5 24 VDC
Supply Current IS VCC - 4.5V; Output Open 4.7 8.0 mA
Output Current IOUT VCC = 4.5V; Output Open 20 mA
Output Saturation Voltage VOUT(SAT) B > BOP; IOUT = 20mA 150 400 mV
Output Leakage Current IOFF B < BRP; VOUT = 24V 4.7 10 uA
Rise/Fall Time tr / tf RL = 1.2k; CL < 33pF 2 us
Output Definition

Recommended Pull-Up Resistor Values
Current, ISINK5V Supply12V Supply24V Supply
1.2 mA 4.3K 10.0K 20.0K
2.5 mA  2.0K 4.7K 10.0K
5.0 mA 1.0K 2.4K 4.7K
10.0 mA  510Ω  1.2K 2.4K

Output channels require customer supplied pull-up resistors unless internal pull-up option is selected.

Wiring & Connection
Standard Wiring Code
 Flying LeadsCable
Output White White
Gnd Black Black
+VCC Red Red

 

Wiring Options

 

 

 

Connector Options