1623912-8

SMD Professional Trimmers Type 3270 Series Type 3270 Series Characteristics Electrical This is the surface mount version of the Resistance Range: 10R to 1M Resistance Tolerance: ± 10% standard (closer tolerance available) Absolute Minimum Resistance: 1% or 2 ohms maximum Contact Resistance Variation: 3.0% or 3 ohms (whichever is greater) Adjustability: Voltage ± 0.02% : Resistance ± 0.05% Resolution: Infinite Insulation Resistance: 500 VDC, 1000M minimum Dielectric Strength: Sea level 600 VAC 80,000 feet 250 VAC Electrical Travel: 12 turns nominal popular Tyco 4270. Top adjust and low profile side adjust versions are available in special high temperature resistant packages. This multi-turn device offers good setability, infinite resolution and the other specification features typical of conventional trimmers yet now suitable for s.m. applications. Characteristics Mechanical Torque: 21 mNm maximum Mechanical Stops: Wiper idles Terminals: Solderable pins Weight: 0.4 gram maximum Mechanical Travel: 16 turns nominal Key Features Characteristics Environmental ■ Stable, Infinite Resolution Element ■ High Temperature Construction Maximum Exposure Temperature/Time: +245°C 10 seconds Power Rating (300 Volts maximum): 0.25 Watt at 85°C derating to zero at 150°C 0.25 Watt Power Rating at 85°C Temperature Range: -65°C to 150°C Temperature Coefficient of Resistance: ± 100ppm/°C maximum Low Temperature Coefficient: ± 100ppm/°C Seal Test: 85°C fluorinert Humidity: MIL STD 202 method 106 (2% ∆TR, IR 100 MW minimum) Vibration: 30G (1% ∆TR % ∆VR) Shock: 100G (1% ∆TR % ∆VR) Load Life: ∆R 3% (1000 hours, 0.25 Watts at 85°C) Mechanical Life: 200 cycles ■ ■ ■ ■ ■ Vertical and Low Profile Adjust Style Sealed to Withstand Dip and Wave Solder Packaged in Plastic Tubes Literature No. 1773137 Issued: 08-05 Dimensions are shown for reference purposes only. Dimensions are in millimetres unless otherwise specified. Specifications subject to change. www.tycoelectronics.com passives.tycoelectronics.com SMD Professional Trimmers Type 3270 Series Dimensions 3270P 3270W The 3270W is supplied in tubes of 50 pieces How to Order 3270 P 104 K Common Part Orientation Resistance Value Tolerance 3270 - 6mm Multiturn Trimmer P - Low Profile Side Adjust The first two digits are significant figures of resistance value and the third denotes the number of zeros following. K - 10 % W - Top Adjust e.g. 1K: 102 10K: 103 100K: 104 Literature No. 1773137 Issued: 08-05 Dimensions are shown for reference purposes only. Dimensions are in millimetres unless otherwise specified. Specifications subject to change. www.tycoelectronics.com passives.tycoelectronics.com