High Power Resistors Type C Series Key Features � Vitreous Enamel Coated � Quality Approved � Up to 14 Watts Power � All Welded Construction � Overload 10 x 5 Seconds � Ammo Packed or Reeled (3-7 Watt) TE Connectivity has offered the 'C' Series of Vitreous Enamelled Wirewound Resistors for more than 25 years and as a result of continuous development and investment in the latest production equipment now supplies a product with a proven record of reliability and quality. These economically priced resistors are capable of dissipating high power from a relatively small size in harsh environmental conditions. The resistors are manufactured from quality materials for optimum reliability and stability. Characteristics - Electrical C3A C7 C10 C14 Wattage at 40°C: 4 7 10 14 Ohmic Value (Min): R10 R10 R10 R10 (Max): 10K 27K 47K 100K Limiting Element Voltage (DC/AC RMS): 200 350 500 650 Resistance Tolerance: 10%, 5%, 2% (1% by request on a limited value range) Temperature Coefficient of Resistance (Ohmic Value): Above 1R0 90ppm/°C Overload Resistance Change (Up to 10x rated wattage for 5 secs): ΔR Less than 1% Load Life stability at Rated Wattage (Resistance Change): 1000 Hours ΔR Less than 3% 8000 Hours ΔR Less than 5% Shelf Life Stability (Resistance Change): 2 Years ΔR Less than 0.25% Power Derating: Derate from 40°C linearly to zero at 350°C Characteristics - Environmental Climatic Category ΔR Typically less than 1% 55/200/56: Solder Heat 260° for ΔR Less than 0.1% 5 Seconds: Surface Temperature v Power Dissipation C3A C7 C10 C14 500 500 500 500 400 400 400 400 300 300 300 300 200 200 200 200 100 100 100 100 0 0 0 0 01 2 3 4 5 02 4 6 8 10 04 8 12 16 20 0 5 10 15 20 25 Watts Watts Watts Watts 1773188 CIS BI 11/2011 Dimensions are in millimeters Dimensions are shown for For email, phone or live chat, go to: te.com/help and inches unless otherwise reference purposes only. specified. Values in brackets Specifications subject are standard equivalents. to change. Surface Temp °C High Power Resistors Type C Series Dimensions L d D Measuring Distance Measuring Type L D d I Distance C3A 13.0 5.7 0.8 35.0 30.7 C7 22.0 8.5 0.8 35.0 37.7 C10 38.1 8.5 0.8 35.0 52.8 C14 53.3 8.5 0.8 35.0 69.5 Packaging Bandolier C10/C14 - packed in cardboard sleeves in multiples of 25. C3A - Ammo 500 Reeled 1000 C7 - Ammo 250 Reeled 500 How to Order C3A 680R J T Common Part Resistance Value Tolerance Pack Style 0.1 ohm C3A - 3 Watt (100 milliohms) R - Bandoliered Reel G - ±2% R10 T - Bandoliered C7 - 7 Watt 1.0 ohm J - ±5% Ammo Pack C10 - 10 Watt (1000 milliohms) L - Loose K - ±10% 1R0 C14 - 14 Watt (C10 & C14 only) 1K ohm (1000 ohms) 1K0 TE Connectivity, TE connectivity (logo) and TE (logo) are trademarks. Other logos, product and Company names mentioned herein may be trademarks of their respective owners. While TE has made every reasonable effort to ensure the accuracy of the information in this datasheet, TE does not guarantee that it is error-free, nor does TE make any other representation, warranty or guarantee that the information is accurate, correct, reliable or current. TE reserves the right to make any adjustments to the information contained herein at any time without notice. TE expressly disclaims all implied warranties regarding the information contained herein, including, but not limited to, any implied warranties of merchantabili- ty or fitness for a particular purpose. The dimensions in this datasheet are for reference purposes only and are subject to change without notice. Specifications are subject to change without notice. Consult TE for the latest dimensions and design specifications.