SS421L Honeywell, SS421L Datasheet - Page 2

• Manufacturer Part Number: SS421L
• Description: Board Mount Hall Effect / Magnetic Sensors 4.5Vdc to 16Vdc Magnet Position Sens
• Manufacturer: Honeywell

Specifications of SS421L

• Magnetic Type: Bipolar
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (typ): 5/9/12/15V
• Operating Supply Voltage (max): 16V
• Mag Sensor Operate Point (g): 250Gs
• Mag Sensor Release Point (g): -250Gs
• Mag Sensor Hysteresis(g): 50Gs
• Package Type: SIP
• Pin Count: 4
• Mounting: Through Hole
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Operating Supply Voltage: 5 V or 9 V or 12 V or 15 V
• Supply Current: 15 mA
• Package / Case: SIP-4
• Mounting Style: Through Hole
• Maximum Operating Temperature: + 105 C
• Minimum Operating Temperature: - 40 C
• Supply Voltage (min): 4.5 VDC
• Supply Voltage (max): 16 VDC
• Lead Free Status / RoHS Status: Compliant

Solid State Hall-effect Sensors
Adjustable Hall-Effect Under-speed Detectors
Figure 1. SS421H Timing Diagram
Td is the time delay after the pulses/min go below the trip point. Td is set by the external RC.
Tp is the time delay after the pulses/min go above the trip point. Tp is less than 20% of Td.
Figure 2. SS421L Timing Diagram
Td is the time delay after the pulses/min go below the trip point. Td is set by the external RC.
Tp is the time delay after the pulses/min go above the trip point. Tp is less than 20% of Td.
2 Honeywell • Sensing and Control
HIGH
HIGH
APPLIED AND HELD
APPLIED AND HELD
SUPPLY VOLTAGE
SUPPLY VOLTAGE
LOW
LOW
SPEED
SPEED
TIME AXIS
TIME AXIS
<Td
<Td
LOW
LOW
Td
VOLTAGE
Td
VOLTAGE
HIGH
Tp
Tp
<Td
<Td
Tp
Tp
Td
Td
NO DELAY
NO DELAY
PASS
NON-INV
PASS
FAIL
FAIL
NON-INV
DELAY
DELAY
INV
INV
SS421 Series