SMM0204 Vishay Draloric Thin Film Mini-MELF Resistors FEATURES Advanced thin film technology AEC-Q200 qualified Low TCR and tight tolerances Excellent stability in different environmental conditions Pure tin termination on nickel barrier, plated on press fit steel caps Compliant to RoHS Directive 2002/95/EC STANDARD ELECTRICAL SPECIFICATIONS LIMITING ELEMENT POWER RATING TEMPERATURE RESISTANCE VOLTAGE TOLERANCE MODEL P COEFFICIENT RANGE E-SERIES 70 DC or AC % RMS ppm/K W V 0.1 43R to 221K SMM0204 0.25 200 15 0.25 22R to 221K 24 96 192 0.5 10R to 221K 0.1 43R to 511K SMM0204 0.25 200 25 0.25 22R to 511K 24 96 192 0.5 10R to 1M0 0.5 10R to 1M0 24 96 192 SMM0204 0.25 200 50 1 R82 to 10M 24 96 SMM0204 0.25 200 100 5 R22 to 10M 24 Zero-Ohm-Resistor: OMM0204 R = 10 m I = 3 A max. max. Notes SMM0204 EN803 E0 and OMM0204 EN803 E0 respectively are available versions with IECQ-CECC approval to EN 140401-803, version A, with nominal failure rate level E0. The power dissipation on the resistor generates a temperature rise against the local ambient, depending on the heat flow support of the printed-circuit board (thermal resistance). The rated dissipation applies only if the permitted film temperature of 155 C is not exceeded. TECHNICAL SPECIFICATIONS PARAMETER UNIT SMM0204 Power rating P W0.25 70 Limiting element voltage, DC or AC V 200 RMS Insulation voltage (1 min), DC or AC V 300 PEAK 10 Insulation resistance 10 Category temperature range C - 55 to + 125 (+ 155) -9 Failure rate: FIT 0.1 x 10 /h observed Notes The upper temperature limit of 125 C reflects the prescriptions of the detail specification EN 140401-803. However, the products may be operated up 155 C, if the tradeoff through decreased drift stability is acceptable to the specific application. The power dissipation on the resistor generates a temperature rise against the local ambient, depending on the heat flow support of the printed-circuit board (thermal resistance). The rated dissipation applies only if the permitted film temperature of 125 C or 155 C respectively is not exceeded. The specification of this product is based on a test board according to EN 140400, providing a thermal resistance of approximately 220 K/W. These resistors do not feature a limited lifetime when operated within the permissible limits. However, resistance value drift increasing over operating time may result in exceeding a limit acceptable to the specific application, thereby establishing a functional lifetime. The IECQ-CECC approved product versions SMM0204 EN803 E0 and OMM0204 EN803 E0 respectively feature a quality factor = 3 for Q the purpose of system MTBF calculations, compared with = 10 for the standard versions. Q ** Please see document Vishay Material Category Policy: www.vishay.com/doc 99902 www.vishay.com For technical questions, contact: melf vishay.com Document Number: 20004 30 Revision: 16-Sep-11 This document is subject to change without notice. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000SMM0204 Thin Film Mini-MELF Resistors Vishay Draloric DIMENSIONS L K L 1 D D 1 DIMENSIONS AND MASS L D L D K MASS max. 1 min. 1 TYPE (mm) (mm) (mm) (mm) (mm) (mg) SMM0204 3.6 + 0/- 0.15 1.4 1.75 D + 0/- 0.15 0.85 + 0/- 0.35 18 OMM0204 Notes Color code marking is applied according to IEC 60062 in four bands for 5 % tolerance, or in five bands. Each color band appears as a single 2 solid line, voids are permissible if at least / of the band is visible from each radial angle of view. The last color band for tolerance is 3 approximately 50 % wider than the other bands. The color of the body coating is light green for jumpers and for a temperature coefficient of 50 ppm/K or of 100 ppm/K, pink for 25 ppm/K, or violet for 15 ppm/K. Zero ohm jumper are marked with one centered black band. PATTERN STYLES FOR MELF RESISTORS X G Y Z RECOMMENDED SOLDER PAD DIMENSIONS WAVE SOLDERING REFLOW SOLDERING TYPE G Y X Z G Y X Z (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) SMM0204 1.5 1.5 1.8 4.5 1.6 1.25 1.7 4.1 OMM0204 Note The given solder pad dimensions reflect the considerations for board design and assembly as outlined e.g. in standards IEC 61188-5-x, or in publication IPC-7351. They do not guarantee any supposed thermal properties, however, they will be found adequate for most general applications. Document Number: 20004 For technical questions, contact: melf vishay.com www.vishay.com Revision: 16-Sep-11 31 This document is subject to change without notice. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000