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