EAO SECME Division

1R3  SMT rotary changeover switch

1R3 surface mount rotary changeover switches offer a choice of 2- or 3-position operation to fill a large number of applications. The miniature sealed switches are screwdriver operated to provide dependable semi-snap action. The non-shorting contacts find particular use in telecommunications and video equipment. 1-pole, gold-plated contacts Semi-snap action, non-shorting contacts Gull wing surface mount design 2- or 3-position screwdriver operated Sealed for soldering and washing 800 operations

1R3
Description	Part Number
2-position, 60° actuation, with stop	09 55251 01
3-position, 360° actuation, no stop	09 65350 01

Specifications
Contacts:	Gold plated nickel 12 V/10 mA Nominal 50 V/50 mA max 20 mV/0.5 mA min 0.6 W nominal power <200 M Ohms resistance (initial)
Dielectric strength	500 V RMS, 50 Hz
Insulation resistance	>50,000 M Ohms, 100 VDC
Switch cap. and between terminals	<2 pF at 1 KHz
Operating life	800 operations
Nominal rotation angle	60° or 360°
Torque (mean value)	0.4 N. cm
Terminals	SnPb plated nickel
Operating temperature	-25 to +85°C
Storage temperature	-40 to +85°C
Damp heat	21 days (IEC 68-2-3)
Soldering time	260°C<10 sec, 200°C<60 sec
Sealing (IEC 68-2-45)	sealed for soldering and immersion solvent cleaning. Max. immersion: 90 sec

2-Position

3-Position

Recommended layout
for solder pads

Packaging
12 mm width, 8mm pitch tape,
180 mm diameter reels of 500 pieces