SM451R datasheet, PDF - EEWORLD Datasheet

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SM451R: DescriptionBoard Mount Hall Effect / Magnetic Sensors 2.5 to 38V Hall Effect Sensor; CategoryThe sensor; File Size592KB，8 Pages; ManufacturerHoneywell; Websitehttp://www.ssec.honeywell.com/

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SM451R Overview

Board Mount Hall Effect / Magnetic Sensors 2.5 to 38V Hall Effect Sensor

SM451R Parametric

Parameter Name	Attribute value
Product Category	Board Mount Hall Effect / Magnetic Sensors
Manufacturer	Honeywell
RoHS	Details
Type	Magneto Resistive Sensor
Operating Supply Current	8 mA
Operating Point Min/Max	3 G to 11 G
Release Point Min/Max (Brp)	2 G to 9 G
Maximum Operating Temperature	+ 85 C
Mounting Style	Through Hole
Operating Supply Voltage	24 V
Package / Case	TO-92-3
Packaging	Bulk
Minimum Operating Temperature	- 40 C
Output Type	Digital
Output Voltage	500 mV
Product	Hall Effect Latches / Switches
Factory Pack Quantity	3000
Supply Voltage - Max	24 V
Supply Voltage - Min	3 V
Termination Style	Through Hole

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Magnetoresistive Sensor ICs

Standard Power Series: SM351RT, SM451R, SM353RT, SM453R

32304118

Issue C

Datasheet

SM451R

SM453R

SM351RT

SM353RT

DESCRIPTION

Honeywell’s Magnetoresistive Sensor ICs (integrated circuits),

Standard Power Series, are ultra-sensitive devices designed

for manufacturers who need a durable and reliable speed or

position sensor for large air gaps or small magnetic fields in

standard power (typically 3 Vdc to 24 Vdc) applications. Unlike

reed switches and other magnetic sensors, Honeywell’s solid

state design offers ultra-high sensitivity of 11 G max., making it

the highest sensitivity sensor in its class for standard powered

applications. The Magnetoresistive Sensor ICs, Standard Power

Series, respond to either a North or South pole applied in a

direction parallel to the sensor. They do not require the magnet

polarity to be identified, simplifying installation and potentially

reducing system cost.

VALUE TO CUSTOMERS

• Durable and reliable due to magnetic solid state, non-contact,

no-glass design which enhance switching capability.

• Cost-effective and flexible due to the sensor IC’s ultra-high

sensitivity—the highest sensitivity sensor in its class for

standard powered applications—which lowers the customer’s

cost of magnets and simplifies design-in.

• Simplifies design-in for wired applications due to its supply

voltage range, omnipolar operation, SOT-23 and flat TO-92-

style package options and wide operating temperature range.

DIFFERENTIATION

•

Ultra-high sensitivity (SM351RT and SM451R) allows for

potential use in applications requiring ultra-high magnetic

sensitivity (7 G typical operate, 11 G maximum operate).

FEATURES

• Magnetic sensitivities:

- Ultra-high sensitivity (SM351RT and SM451R): For

applications requiring ultra-high magnetic sensitivity

(7 G typical operate, 11 G maximum operate)

- Very high sensitivity (SM353RT and SM453R): For

applications requiring very high magnetic sensitivity

(14 G typical operate, 20 G maximum operate)

• Package styles:

- SOT-23 (SM351RT, SM353RT)

- Flat TO-92-style (SM451R, SM453R)

• Supply voltage range 3 Vdc to 24 Vdc

• Omnipolar sensing activates with either pole from a magnet

• Temperature range -40 °C to 85 °C [-40 °F to 185 °F]

• SOT-23 supplied on tape and reel (3000 units per reel)

• RoHS-compliant materials meet Directive 2002/95/EC

POTENTIAL APPLICATIONS

Industrial

• High frequency flow sensing in HVAC, water, fuel meters,

and gas utility meters

• Anti-tamper detection in water, electric, and gas utility

meters

• Liquid level detection

• Motor RPM sensing

• In-cylinder position sensing

Medical

• RPM sensing in exercise and rehabilitation equipment

• Magnetic interrupt in exercise and rehabilitation equipment

• Absence/presence detection in infusion pumps

• Position sensing of medication dispensing cabinet drawers

• Incline position sensing in hospital beds

White Goods

• Lid, door and drawer position detection

• Fluid flow detection

• Liquid level detection

PORTFOLIO

Honeywell’s Standard Power Series join:

• Magnetoresistive sensor ICs, including the

Nanopower

Series, 2SS52M Series, SS552MT Series

• Hall-effect sensor ICs, including the

SS351A, SS451A

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