ULTRA SMALL SUBMINIATURE BASICS BASIC SWITCHES SINGLE BREAK, COMMERICAL & MILITARY GRADES The B1 series basic switches are ultra-subminiature in size, designed to reliably switch low level logic signals as well as up to 2 amps switching capacity for a minimum of 25,000 cycles. Mechanical life expectancy is in excess of one million cycles. The molded housing is rugged and structurally stable. The terminals are molded-in and sealed against solder flux entering the switch. The terminals are available in a choice of double turret solder style and 0.020” x 0.025” PC pins. The B1 series is also available with integral lever actuators as B1-5 series. Ultra-compact: only 0.300” w x 0.255” h x 0.100” thick 1 million cycle life, B1-5 Series Low level or logic level switching capability Designed to meet requirements of MIL-PRF-8805/94 Available in Commercial & Military grades Choice of solder or PC molded-in terminals Precision operating points RoHS/WEEE/Reach compliant Actual Size Standard Characteristics/Ratings: ELECTRICAL RATINGS: Load *L/R = 0.026 Electrical Life: 25,000 cycles Mechanical Life: B1 Series is 100,000 cycles (B1-5 Series is 1,000,000 cycles) Seal: Unsealed Operating Temp Range: -55°C to +125°C Operating Force: 6 oz max Release Force: 0.7 oz min Operate Point: 0.220 +/- 0.015 inches from mounting holes Overtravel: 0.003 inches min Movement Differential: 0.002 inches nominal, 0.005 inches max Pretravel: 0.015 inches max MATERIALS: Double Turret Terminals Style Code 2 PC Pins Terminals Style Code 3 Case: Thermoset, blue Cover: Thermoplastic, blue ORDERING INFORMATION: B1 Basic Select the OTTO B1 basic switch to match your specific circuit and mechanical requirements. To order, specify your requirement using the OTTO Part Number Code shown below. Example: B1-12111 specifies Military grade construction, double turret terminals, 6 oz max operating force and silver/gold high current contacts. Button: Thermoplastic, black Terminals: Brass, gold over nickel Contacts: Stationary: Silver with gold Moveable: Silver with gold Terminal Hardware: None provided Mounting Hardware: None provided B1 PART NUMBER CODE X Construction Grade Terminal Style* Operating Force Movement Differential Contact Material 2. Double Turret 3. PC Pins 1. Silver/Gold – High Current 3. Silver/Gold – Low Current * Wire leads available, contact factory. Specifications Subject To Change Without Notice