WSM16801FLFTR

Molded Surface Mount Wirewound Resistor WSM Series • • • • • Flexible Terminations All welded construction Ideal for automatic pick and place Lead free, RoHS compliant construction available Contact factory for ohmic values above published ranges Electrical Data IRC Type WSM-1 WSM-2 WSM-3 Power Rating Resistance Maximum Working Range @ 70°C Voltage (watts) (ohms) (volts) 1W 2W 3W 0.01 to 1K 0.01 to 2K 0.01 to 3K TCR (ppm/°C) Resistance Standard Tolerance Values (%) Ambient Temperature (°C) √P x R 0.1Ω - 1000M 0.2 ± 0.001Ω 1.5 ± 0.001Ω WSM-1 3 ± 0.001Ω 3 ± 0.001Ω *Note: The power ratings to be applied depend upon the board used and the ambient temperature. Ordering Data Specify type, reference, etc. as indicated in this example of a WSM3 6801 F resistor with tape and reel packaging. Standard Quantities Per Package Type F LF TR Code R WSM1 1500 WSM2 800 WSM3 750 Sample Part No. IRC Type WSM3 6801 13" Reel (330mm) (WSM1, WSM2, WSM3) (100Ω and greater - First 3 significant digits plus 4th digit multiplier) Example: 100Ω = 1000, 1000Ω = 1001, 150,000Ω = 1503 (Less than 100Ω - "R" is used to designate decimal) Example: 51Ω = 51R0, 1Ω = 1R00, 0.25Ω = R250 Packaging: WSM2 resistors are supplied on .945 (24mm) wide carrier tape. WSM3 resistors are supplied on 1.26 (32mm) wide carrier tape. Both products are reeled onto 13.00 (330mm) diameter reels. *For packaging information, see Appendix "A". Dimensions (Inches and (mm)) Resistance Value Tolerance (K = 10%, J = 5%, G = 2%, F = 1%) Lead Free, RoHS Designator Packaging Code (TR = 13" Reel) Ao .165 (4.2) .266 (6.75) .288 (7.3) Bo .300 (7.62) .470 (11.95) .721 (18.3) Ko .165 (4.20) .206 (5.22) .264 (6.7) W .630 (16.0) .945 (24.0) 1.26 (32.0) P .315 (8.00) .473 (12.0) .473 (12.0) T .014 (0.36) .014 (0.36) .016 (0.4) B0 A0 P K0 WSM1 WSM2 W WSM3 t Wire and Film Technologies Division • 4222 South Staples Street • Corpus Christi Texas 78411 USA Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com WSM Series Issue December 2008 Sheet 3 of 3