Overmolded Reed Switches Low Power > 59045 59045 Miniature PCB Mountable Reed Switch + 57045 Actuator Description The 59045 is a miniature PCB-mountable reed switch, 17.78mm x 4.32mm x 3.3mm (0.700” x 0.170” x 0.130”) with a normally open contact. It has moulded stand-offs to allow board washing. It is capable of switching up to 200Vdc at 10W. It functions best with the matching actuator 57045-000. Note: The 57045 Actuator is sold separately. Features • Two-part magnetically operated proximity switch • Normally open contact configuration • Moulded stand-offs to allow board washing • Wave solder capable Agency Approvals Agency • Certified for use in North American Hazardous Locations: Class I, Division 2 and Zone 2 • ATEX certified for use in European explosive atmospheres: II 3 G Ex nC IIC Gc Benefits Agency File Number • Mounts directly into printed circuit board • No standby power requirement • Operates through non-ferrous materials such as wood, plastic or aluminium E61760 E471070 DEMKO 14 ATEX 1393U II 3 G Ex nC IIC Gc • Hermetically sealed, magnetically operated contacts continue to operate long after optical and other technologies fail due to contamination Applications Note: Contact Littelfuse for specific agency approval ratings. • Position and Limit Sensing • Security System Switch • Door Switch Dimensions Dimensions in mm (inch) D B B A Switch A D Actuator E C C F A Max. B Max. C ±0.25 (.010) D Max. E ±0.38 (.015) F Nom. 57045 Actuator 4.32 (.170) 17.78 (.700) * 3.3 (.130) – – 59045 Switch 4.32 (.170) 17.78 (.700) 15.24 (.600) 3.3 (.130) 3.3 (.130) 0.4699 (.0185”) Dia. * Mounting: 1.57 (.062) thick board, 3.17 (.125) holes on 13.72mm (.540) centerline. © 2016 Littelfuse Revised: 03/04/16 Specifications are subject to change without notice. littelfuse.com Overmolded Reed Switches Low Power > 59045 59045 Miniature PCB Mountable Reed Switch + 57045 Actuator Electrical Ratings Contact Type Normally Open Switch Type 1 Contact Rating VA/Watt - max. 10 Vdc - max. Vac - max. Vdc - min. 200 140 250 Carry Adc - max. Aac - max. Adc - max. 0.5 0.35 1.2 Resistance Contact, Initial Insulation Ω - max. Ω - min. 0.2 1010 Capacitance Contact pF - typ. 0.3 Temperature Operating °C -40 to +105 Voltage 3 Current 3 1 Switching 2 Breakdown Switching 4 2 Product Characteristics Operate Time 5 ms - max. 1.0 Release Time 5 ms - max. 1.0 11ms 1⁄2 sine G - max. 100 50-2000 Hz G - max. 30 Shock 6 Vibration 6 Notes: 1. Contact rating - Product of the switching voltage and current should never exceed the wattage rating. Contact Littelfuse for additional load/life information. 2. When switching inductive and/or capacitive loads, the effects of transient voltages and/or currents should be considered. Refer to Application Notes AN108A and AN107 for details. 3. Electrical Load Life Expectancy - Contact Littelfuse with voltage, current values along with type of load. 4. Breakdown Voltage - per MIL-STD-202, Method 301. 5. Operate (including bounce)/Release Time - per EIA/NARM RS-421-A, diode suppressed coil (Coil II). 6. Shock and Vibration - per EIA/NARM RS-421-A and MIL-STD-202. Sensitivity Options (Using 57045 Actuator) Select Option S Switch Type 1 Normally Open T U Pull-In AT Range Activate Distance, D mm (inch) Average Pull-In AT Range Activate Distance, D mm (inch) Average Pull-In AT Range Activate Distance, D mm (inch) Average 15-20 5.0 (.196) 20-25 4.3 (.170) 25-30 3.8 (.150) Note: Pull-In Range - Contact Littelfuse for narrower AT ranges available. These AT values are the before molding and modification AT of the 59045. D © 2016 Littelfuse Revised: 03/04/16 Specifications are subject to change without notice. littelfuse.com Overmolded Reed Switches Low Power > 59045 59045 Miniature PCB Mountable Reed Switch + 57045 Actuator Part Numbering System Switch: 59045 - 1 - X - 00 - 0 Actuator: Series Series Switch Type Standard Actuator 000 57045 - 000 Note: The 57045 Actuator is sold separately. Sensitivity S, T, or U Product Marking Switch: Actuator: 57045 - 000 59045-1-X-00-0 Part Number Part Number Packaging Packaging Option Packaging Specification Bulk © 2016 Littelfuse Revised: 03/04/16 Specifications are subject to change without notice. Bulk Quantity 200/Box MOQ = 1000pcs Quantity and Packaging Code N/A Taping Width N/A littelfuse.com