Expertise Applied | Answers Delivered System Solutions for Major Appliances Appliances Users must independently evaluate the suitability of and test each product selected for their own specific applications. It is the User's sole responsibility to defermine fi particular system or use based on their own performance criteria, conditions, specific application, compatibility with other parts, and environmental conditions. Users must independently provide appropriate design and operating safeguards to minimize any risks associated with their applications and products. Littelfuse products are not designe for, and may not be used in, all applications. Read complete Disclaimer Notice at littelfuse.com/disclaimer-electronics.
Littelfuse, Inc. © 2021
Expertise Applied | Answers Delivered Litteliuse, Inc. © 2021

Market trends and drivers
Intelligent appliances that provide features such as recommending meals based on refrigeration contents and providing alerts prior to spoilage Increased sensors to support intelligence, including humidity, gas (food quality), and gesture control Sustainability focus with reduction in energy consumption and water usage and the use of recyclable material Provide conveniences such as boiling water quicker Global OEMs  have regional assembly for local customization and cost optimization
Sales (units) projections for major appliances
■Dish ■Laundry ■Cooking ■Microwaves ■Refrigeration Geographic view (Sales units in millions) ▪ Western EU ■ North America ■ Australia, NZ, Japan ■ Africa, ME, East EU ■ South America = SE Asia, China Sources: Passport market reports, OEM annual reports
Inside Fan for Air Circulation ●  Hall Effect Sensor ● Temperature Sensor Probe
lce Bucket Module
● Reed Sensor ● Temperature Sensor ● PPTC
Door Assembly
● Reed sensor ● Temperature sensor ● LED protector (@) (@) Displays and Controls ● TVS Diode Array ● MLV ●  Hall Effect Sensor Control Board ● MOV ●   Fuse and Fuse Clip ● TVS Diode ● PPTC
Motor Drive
。 TRIAC ● MOSFET ● Temperature Sensor Acronyms: PPTC:  Polymeric Positive Temperature Coefficient Transient Voltage Suppression TVS: Metal Oxide Varistors MOV: Multi-layer Varistors MLV: Littelfuse, Inc. © 2021 ((0)) Protect Control Sense
AC main
Legend: 4 Power 4 Data Littelfuse, Inc. © 2021
Littelfuse, Inc. © 2021
Explore the world of Littelfuse with the Electronics eCatalogs ( http://electronicscatalogs.littelfuse.com
Littelfuse Expertise Applied | Answers Delivered Littelfuse, Inc. © 2021 9

31 : ( 01 : 10 )
Problem (ORTED)
An industrial technology manufacturing company empowering a sustainable, connected, and safer world Our engineers partner directly with customers to help speed up product design and meet their unique needs Our global customer service team is with you to anticipate your needs and ensure a seamless experience To help customers in the design process to account for the requirements set by global regulatory authorities To help customers get products to the market faster, we offer certification testing to global regulatory standards High-volume manufacturing that is committed to the highest quality standards Expertise Applied | Answers Delivered Littelfuse.com Expertise Applied    Answers Delivered Sensing solutions for appliances

Inside fan for air circulation
● Hall effect speed sensor 55100 series, 55140 series ● Temperature sensor H3686 series: custom
lce bucket module
● Reed sensor 59140 series ● Surface temperature sensor with lug H3390 series: custom
Door assembly
● Reed sensor 59140 series ● Digital Hall effect 55100 series
Other Littelfuse solutions
● Overvoltage protection: MOVs , TVS diodes, TVS diode arrays ● Overcurrent protection: Fuses, PPTCs ● Power control: TRIACs
Displays and controls
● Reed switch 59170 series, 59166 series
Trays and drawers
● Reed sensor/Hall effect 59140 series, 55100 series ● Temperature sensors H3686 and H6270 series: custom
Compressor and motor drive
● Surface temperature sensor with lug H2946 series: custom Littelfuse, Inc. © 2021

Door latch/lock position
● Switch/reed sensor 59165 series, 59140 series ● Hall effect sensor 55100 series Spray arm rotation detection ● Reed sensor 59140 series, 59025 series
Water level & plugged drain
● Reed sensor 59630 series, 59140 series ●   Digital Hall effect 55100 series
Other Littelfuse solutions
● Overvoltage protection: MOVs , TVS diodes, TVS diode arrays ● Overcurrent protection: Fuses, PPTCs ● Power control: TRIACs
Compressor and motor drive
● Surface temperature sensor and lug Custom H2946 series
Sprayer diverter
● Reed sensor 59630 series, 59165 series Soap & water softener tray level ● Reed sensor 59630 series, 59165 series Littelfuse, Inc. © 2021

Door latch or lid sensor
● Overmolded reed sensor 59165 series, 59140 series ● Digital Hall effect sensor 55100 series
Other Littelfuse solutions
● Overvoltage protection: MOVs , TVS diodes, TVS diode arrays ● Overcurrent protection: Fuses, PPTCs ● Power control: TRIACs
Drum speed sensor
● Digital hall effect sensor 55100 series
Rotary selector dial/switch
● Analog Hall effect sensor 55300 series, 55250 series
Motor
● Temperature sensor LC series USUR1000 series
Water/salt level sensor
● 59630 sensor ● Custom sensor with reed switch and PCB Littelfuse, Inc. © 2021

Exhaust fan speed
● Hall effect sensor 55300 series
Door closure
● Reed sensor 59135 series ●  Magnetic actuator 57135 series
Other Littelfuse solutions
● Overvoltage protection: MOVs , TVS diodes, TVS diode arrays ● Overcurrent protection: Fuses , PPTCs ●   Power control: TRIACs
Door lock
● Reed sensor 59135 series ●  Magnetic actuator 57135 series Oven temperature ● NTC probe Custom H7235 series Littelfuse, Inc. © 2021

Magnetic sensor modeling
● Reduce cost and increase reliability ● Tolerance variation analysis ● Rapid prototyping with 3D printing
Encapsulation and sealing
● Transfer and low-pressure overmold ● Epoxy or urethane ● Meter or mix dispensing ●   Ultrasonic welding or heat staking
Reed and Hall effect assembly
●   Automated, cellular, and manual ● Custom reed switch forming ● Integral magnets within sensors
Circuit board assembly
●   Vision systems ● SMD–pick and place automation ● In-circuit test
Terminations
● Injection or insert molding ● Automated cut, strip, and crimp ● Connector type flexibility
Performance and reliability test
●  Validation testing ●   100% automatic end-line testing ● Actuation and contact resistance ● Long-term reliability testing

Mechanical fit modeling
● 3D modeling ● Tolerance variation analysis ● Rapid prototyping with 3D printing
Encapsulation and sealing
● Transfer and low-pressure overmold ●  Epoxy or silicone ●   Ultrasonic welding ● Moisture protection
Terminations
● Automated cut, strip, and crimp ● Crimp validation ● Connector type flexibility
Sensor fabrication and assembly
● Wire joining for optimal performance ● Precise component placement ● Statistical process control
Performance and reliability test
● Thermal performance confirmation ●  100% automatic end-line testing ● Long term reliability testing This document is provided by Littelfuse, Inc. ("Littelfuse") for informational and quideline purposes only. Littelfuse assumes no liability for errors or omissions in this d for any of the information contained herein. Information is provided on an "as is" and "with all faults" basis for evaluation purposes only. Applications described are for i purposes only, and Littelfuse makes no representation that such applications will be suitable for the customer's specific use without further testing or modification. Littel expressly disclaims all warranties, whether express, implied or statution, including but not limited to the implied warranties of merchantability and fitness for a particula and non-infringement.  It is the customer's sole responsibility to determine suitability for a particular system or use based on their own performance criteria, conditions, application, compatibility with other parts, and environmental conditions. Customers must independently provide appropriate design and operating safeguards to minimize any risks associated with their applications and products. Read complete Disclaimer Notice at littelfuse.com/disclaimer-electronics . Expertise Applied | Answers Delivered elfuse.com