PCT Vishay Dale Wirewound Resistors, Commercial Power, Printed Circuit Board, Tab Type Terminals FEATURES * Variety of core lengths * Terminals designed for direct mounting into a circuit board to be securely clamped * Available potted in a ceramic case to increase power dissipation, contact factory by using the e-mail address at the bottom of this page Pb-free e3 RoHS COMPLIANT STANDARD ELECTRICAL SPECIFICATIONS POWER RATING P25 C W RESISTANCE RANGE 10 % standard, 5 % available WEIGHT (typical) g PCT-4050 2.0 0.10 - 390 0.57 PCT-4065 2.6 0.14 - 560 0.59 PCT4085 PCT-4085 3.4 0.20 - 785 0.62 PCT4105 PCT-4105 4.2 0.25 - 1.01K 0.65 PCT4145 PCT-4145 5.8 0.36 - 1.46K 0.71 PCT4185 PCT-4185 7.4 0.47 - 1.91K 0.77 PCT4215 PCT-4215 8.6 0.56 - 2.25K 0.81 GLOBAL MODEL (1) HISTORICAL MODEL (1) PCT4050 PCT4065 Note (1) PCT4000 model numbers are calculated from the power rating of 4 W per inch. The last three digits of the model number represent the mounting center spacing of the resistors in inches (decimal is between the first and second digit, mounting center spacing is available between 0.50" [12.70 mm] and 2.15" [54.61 mm]. Example: PCT4150 = 1.50 inches x 4 W per inch = 6 W. TECHNICAL SPECIFICATIONS PARAMETER UNIT PCT4000 RESISTOR CHARACTERISTICS Power Rating W 4 per inch ppm/C 600 below 1.0 , 300 1.0 and above Short Time Overload - 5 x rated power for 5 s Maximum Working Voltage V (P x R)1/2 Operating Temperature Range C - 65 to + 375 Terminal Strength lb 10 minimum Temperature Coefficient GLOBAL PART NUMBER INFORMATION New Global Part Numbering: PCT405015R00JB14 (preferred part numbering format) P C T GLOBAL MODEL (See Standard Electrical Specifications Global Model column for options) 4 5 0 VALUE R = Decimal K = Thousand R1500 = 0.15 1K500 = 1500 Historical Part Number Example: PCT-4050 www.vishay.com 62 0 15 1 5 TOLERANCE H = 3.0 % J = 5.0 % K = 10 % R 0 0 J B 1 4 PACKAGING B14 = Lead (Pb)-free bulk B31 = Lead (Pb)-free four layer bulk SPECIAL (Dash Number) (up to 2 digits) From 1 - 99 as applicable 5 % B14 (will continue to be accepted) PCT-4050 15 5% HISTORICAL MODEL RESISTANCE VALUE TOLERANCE CODE For technical questions, contact: ww2aresistors@vishay.com B14 PACKAGING Document Number: 30223 Revision: 14-Feb-06 PCT Wirewound Resistors, Commercial Power, Printed Circuit Board, Tab Type Terminals Vishay Dale DIMENSIONS in inches [millimeters] PCT4000 0.150 [3.81] 0.005 [0.127] 0.146 [3.71] 0.010 [0.254] 0.018 [0.457] minimum MATERIAL SPECIFICATIONS Element: Nickel-chrome alloy or copper-nickel alloy, depending on resistance value Core: Woven fiberglass Terminals: Electro tin plated steel RATED POWER IN % 0.055 [1.40] 0.005 [0.127] 0.500 0.032 [12.70 0.813] 0.105 [2.67] typical 0.180 [4.57] 0.005 [0.127] 0.030 [0.76] 0.005 [0.127] Mounting centers 0.500 0.020 to 1.15 0.020 [12.70 0.508 to 54.61 0.508] 120 100 80 60 40 20 Part Marking: None 0 - 65 - 50 Derating 0 75 25 150 225 300 375 AMBIENT TEMPERATURE IN C PERFORMANCE TEST CONDITIONS OF TEST Thermal Shock - 55 C to + 275 C, 5 cycles, 30 min dwell time (5.0 % + 0.05 ) R Short Time Overload 5 x rated power for 5 s (4.0 % + 0.05 ) R Low Temperature Operation - 65 C, full rated working voltage for 45 min (3.0 % + 0.05 ) R Humidity 75 C, 90 % - 100 % RH, 240 h (5.0 % + 0.05 ) R Load Life 1000 h at rated power, + 25 C, 1.5 h "ON", 0.5 h "OFF" (10.0 % + 0.05 ) R Resistance to Solder Heat Terminal immersed 3.5 s in molten solder at 1/8" to 3/16" from body (4.0 % + 0.05 ) R Document Number: 30223 Revision: 14-Feb-06 For technical questions, contact: ww2aresistors@vishay.com TEST LIMITS (EIA RS-344) www.vishay.com 63 Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, "Vishay"), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1