UTL Series Low Cost Silicone Coated Power Resistors • • • • • • Resistances from 0.1 to 8.2K Ohms Excellent Pulse Handling Power Rating 1 to 10 Watts Resistance Tolerances of ±5% Non-Inductive Windings Available Available in Bulk, Tape & Reel, and Ammo Pack SPECIFICATIONS Type 1 Power Rating ( Watts @ 40°C ) Ohmic Range Dimensions Min MAX1 A ( MAX ) B ( MAX ) ±0.002” [±0.05mm] C Maximum Working Voltage UTL-1 1 0.1 2.4K 0.47 [12.0] 0.18 [4.5] 0.028 [0.7] 33 UTL-2 2 0.1 4.7K 0.61 [15.5] 0.22 [5.5] 0.031 [0.8] 80 UTL-3 3 0.1 5.1K 0.63 [16.0] 0.24 [6.0] 0.031 [0.8] 148 UTL-5 5 0.1 8.2K 0.98 [25.0] 0.33 [8.5] 0.031 [0.8] 400 UTL-7 7 0.1 15K 0.98 [25.0] 0.37 [9.5] 0.031 [0.8] 400 UTL-10 10 0.1 27K 1.57 [40.0] 0.33 [8.5] 0.039 [1.0] 1000 For non-inductive windings, divide maximum resistance by 2 Ordering Information: For Non-Inductive Windings, insert the letter “N” ( i.e. UTLN-5 ) Part Description: Part Type - Resistance - Tolerance - Packing Example: UTL-5 100 Ohm 5% Tape & Reel Riedon Inc. 06/13 300 Cypress Avenue Alhambra CA 91801 www.riedon.com (626) 284-9901 (626) 284-1704 UTL Series Silicone Coated Power Resistors Specification Value Tolerances ±5% ( 1, 3, and 10% on Request ) Temperture Coefficient <10W : 0 to 600 ppm/°C ≥10W : -80 to +140 ppm/°C Temperature Range -40°C to +200°C Climatic Category ( IEC 60068 ) 40 / 200/ 56 Basic Specification IEC60 115-1 PxR Maximum Voltage Environmental Performance DR Load Life ( 1000h at rated power, 1.5h ON, 0.5h OFF ) ±5% + 0.1W Moisture Resistance ( 56d @ 40°C, 90-95% RH ) ±1% + 0.05W Thermal Shock ( 30m @ -40°C, 30m @ +200°C, 5 cycles) ±1% + 0.05W 10X Overload ( 5s ) ±2% + 0.1W Vibration ( 10 to 500Hz, 10g, 6h ) ±0.5% + 0.05W Power Derating Curve 120 Power ( % ) 100 80 60 40 20 0 -40 0 40 80 120 160 200 240 Ambient Temperature (°C) Riedon Inc. 06/13 300 Cypress Avenue Alhambra CA 91801 www.riedon.com (626) 284-9901 (626) 284-1704