LCM0207SI Vishay Draloric Carbon Film, Cylindrical, Fusible Resistors FEATURES • Fusible resistor for constant voltage designed for overload protection • Specially spiralled to provide the fusible function • Flame retardant coating • Used in battery chargers, TV-sets, cordless phones, PC/CPU-cooler • Pure tin termination on nickel barrier, plated on press fit steel caps • Compatible with lead (Pb)-free and lead containing soldering processes • Lead (Pb)-free and RoHS compliant STANDARD ELECTRICAL SPECIFICATIONS POWER RATING1) P70 W 0.25 MODEL LCM0207SI TEMPERATURE COEFFICIENT ppm/K + 300/- 250 Note 1. Permissible dissipation depends on the maximum temperature at the solder point, the component placement density and the substrate material. TOLERANCE % ±5 RESISTANCE RANGE Ω R22 - 1K0 E-SERIES 24 • Marking: According to IEC 60062; see also datasheet “surface mount resistor marking” (document number: 20020) TECHNICAL SPECIFICATIONS PARAMETER Rated Dissipation at 70 °C UNIT W Minimum Overload to Fuse W Time to Fuse (max) Thermal Resistance2) Voltage Coefficient Category Temperature Range Failure Rate Weight/1000 pcs LCM0207SI 0.25 > 1R0 < 1R0 4 5 s K/W V-1 °C 10-9/h g 15 ≤ 220 ≥ 107 - 55 to + 125 < 30 71 Note 2. Based on measurements on test board acc. to EN 140400. PART NUMBER AND PRODUCT DESCRIPTION3) PART NUMBER4): LCM02070B01008JBP L C MODEL/SIZE LCM0207 M 0 2 0 SPECIAL CHARACTER B = SI Fusible 7 B TC 0 = neutral see data sheet for TC value 0 1 0 VALUE 3 digit value 1 digit multiplier Multiplier 7 = *10-3 0 = *100 8 = *10-2 1 = *101 9 = *10-1 0 8 J B P TOLERANCE J=±5% PACKING5) BP BS SPECIAL up to 2 digits 00 = standard PRODUCT DESCRIPTION: LCM0207SI 1R0 5% BP LCM0207SI 1R0 5% BP MODEL RESISTANCE VALUE TOLERANCE PACKING5) LCM0207SI 1R0 = 1 Ω R22 = 0.22 Ω ±5% BP BS Note 3. Products can be ordered using either the PRODUCT DESCRIPTION or the PART NUMBER. 4. The PART NUMBER is shown to facilitate the introduction of a unified part numbering system. Currently, this PART NUMBER is applicable in the Americas only. 5. Please refer to table PACKING, see below. www.vishay.com 54 For technical questions contact: [email protected] Document Number: 20002 Revision: 15-Feb-06 LCM0207SI Vishay Draloric Carbon Film, Cylindrical, Fusible Resistors Dimensions DIMENSIONS [in millimeters] MODEL LCM0207SI Dmax d* L A max A min 2.2 D - 0.4 5.8- 0.3 1.2 0.6 * d measured in the middle of the resistor SOLDER PAD DIMENSIONS [in millimeters] REFLOW SOLDERING WAVE SOLDERING MODEL LCM0207SI a b l a b l 1.8 2.5 2.9 2.4 2.5 2.8 PACKING BLISTER TAPE ON REEL ACC. IEC 60286-3 MODEL LCM0207SI DIAMETER PIECES/REEL CODE 180 mm/7" 1500 BP 330 mm/13" 7500 BS 120 Fusing Time in s Power Rating P in % Further information about PACKING see also datasheet “surface mount resistor packing” (document number: 20014). 100 80 60 20 10 7 5 4 3 40 2 20 0 - 55 1 - 25 0 25 50 Derating Voltage U [V] 50 40 30 70 75 100 125 Ambient Temp In °C 1 2 3 4 5 6 7 8 9 10 Fusing Performance 20 30 40 50 Power in W 500 300 200 100 50 30 20 10 0 10 100 1K 10K Resistance Value in Ω Umax in case of failure and max. pulse voltage Document Number: 20002 Revision: 15-Feb-06 For technical questions contact: [email protected] www.vishay.com 55 LCM0207SI Vishay Draloric Metal Film Cylindrical Resistors PERFORMANCE TEST CONDITIONS OF TEST REQUIREMENTS Endurance Test at 70 °C IEC 60115-1, 4.25.1 1000 hours at 70 °C, 1.5 hours "ON", 0.5 hours "OFF" ≤2% Endurance at UCT IEC 60115-1, 4.25.3 1000 hours at 125 °C without load ≤2% Thermal Shock IEC 60115-1, 4.19 and IEC 60068-2-14 Rapid change between upper and lower category temperature, 5 cycles Damp Heat Steady State IEC 60115-1, 4.24 and IEC 60068-2-78 56 days at 40 °C and 93 % relative humidity Resistance to Soldering Heat IEC 60115-1, 4.18 and IEC 60068-2-58 10 seconds at 260 °C solder bath temperature ≤ 0.5 % ≤2% ≤ 0.25 % SOLDERING INFORMATION • For reflow soldering only • Board has to be thoroughly cleaned after soldering. All flux materials must be completely removed APPLICABLE SPECIFICATION • EN 60115-1 www.vishay.com 56 For technical questions contact: [email protected] Document Number: 20002 Revision: 15-Feb-06 Legal Disclaimer Notice Vishay Notice Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc., or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. Customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Vishay for any damages resulting from such improper use or sale. Document Number: 91000 Revision: 08-Apr-05 www.vishay.com 1