6700 Series TO-220, Subminiature Bimetal Disc Thermostat FEATURES RoHS compliant per EU directive 2002 / 95 / EC Gold-plated contacts TO-220 / Y-220 international electronic package standard Up to 20,000 life cycles max standard amperage Ideal for surface and air sensing on PC boards and heat sinks Up to 100,000 life cycles max gold contact amperage VDE approved with P bracket option DESCRIPTION The Airpax 6700 series is a RoHS compliant, positive snap action, single pole / single throw, sub-miniature bimetallic thermostat which provides accurate and reliable sensing and switching in a single device. The 6700 series thermostat dimensionally conforms to the international product package standard Y220 / TO220. Thus, the 6700 may be automatically placed and soldered onto PC boards with high speed automated equipment, eliminating the need for the expensive hand placement and termination required today for most power supply thermostats. The 6700 provides fast, positive response with excellent repeatability. The thermostat has a switch capability of up to 0.5 amp for 48 VDC, and achieves low-level switching down to 0.001A to 0.020A at 5 VDC for 100,000 cycles. Temperature is pre-set at the factory and is non-adjustable in the field. Thermal conductivity is mainly through the terminals and the mounting bracket making the unit ideal for both surface mount and ambient air sensing. The nickel-plated copper mounting bracket comes standard, or you can utilize the laminated plastic mounting bracket for increased dielectric strength and VDE approval. Primarily developed for thermal management applications on power supplies, the Airpax 6700 series is also ideally suited for use on crowded PC boards. Typical uses include turning on an indicator light, sounding an audible alarm, switch on a control circuit to send a message to a display screen or even switching a circuit to shut down a system. Applications include computers and computer peripherals, aircraft, automotive, medical devices and test equipment. OPERATION SCHEMATICS Schematic for Schematic for Open on Rise Close on Rise Operation Operation 6700 Series - Introduction 37 SPECIFICATIONS Contact Resistance 50 milliohms max (before and after rated life) Contact Ratings Cycles Voltage Amps (resistive) 20,000 48 VDC 0.5 100,000 5 VDC 0.001 (gold) Contact Operations Either close on rise (make) or open on rise (break) Operating Temperature 40C to 130C (104F to 266F) Temperature Tolerance Standard of 5C (9F) with nominal operating temperature settings in 5C increments Short Term / Long Term Short = 260C (500F), 10 second duration Long = -55C to 160C (-67F to 320F) Exposure Limit Nickel-plated copper bracket has 1480 VAC 60Hz, 1 second duration terminals to case. Plastic bracket Dielectric Strength has 2000 VAC 60Hz, 1 second duration terminals to case. Insulation Resistance 100 Mohms at 500 VDC Contact Bounce 3 milliseconds max (make) Vibration Per Mil-Std-202, method 204D, test condition D, 10 to 2,000 Hz Shock Per Mil-Std-202, method 213, test condition C, 100 Gs for 6 millisecond duration, sine wave Seal High temperature epoxy sealed for wave soldering and cleaning, moisture proof per Sensata specification S-722 (unit will not leak while submerged in 9 of water for a minimum of two minutes) Base Material PPS (Polyphenylene Sulfide), 94 VO rated Terminal Material 65% Copper, 18% Nickel Contact Material Gold-plated or overlay, silver crossbar Mounting Bracket Material Nickel-plated copper (standard) or high pressure laminated plastic (P mounting bracket option) Chemical Resistance Unit is resistance to water, salt, alcohol, ammonia, trichlorethane and most other organic solvents Solderability Terminal material is selectively striped with lead-free solder for improved solderability. Soldering Heat Resistance Per Mil-Std-202G, method 210F, test condition C & K, test condition K validated at 260C for 25 seconds Weight Approximately 0.5 grams Agency Approvals cU us recognized E36687 VDE approval 0631/12.83 RoHS Compliant per EU Directive 2002/95/EC 6700 Series - Specifications 38 6600 & 6700 Series
