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| PRODUCT BULLETIN MF-SERIES GENERAL PURPOSE METAL FILM RESISTORS Small Size Low Cost 0.5%, 1.0%, 5.0% Resistance Tolerance 100, 50 & 25 PPM Temperature Coefficient Conformal Coating Color Band Marking Tape & Reel Packaging WILLOW TECHNOLOGIES LTD. SHAWLANDS COURT, NEWCHAPEL ROAD LINGFIELD, SURREY, RH7 6BL, ENGLAND Tel. + 44 (0) 1342 835234 Fax. + 44 (0) 1342 834306 E-mail rob@willow.co.uk Website http://www.willow.co.uk Dimensions Type MF-12 MF-25 MF-50 Max. L. In Inches Max. Dia. Lead Dia. Lead L. .984 .984 .984 .984 .984 .146 .016 .059 .008 .017 .002 .256 .020 .091 .008 .0236 .0004* .354 .039 .138 .020 .0236 .0004* .472 .039 .177 .020 .031 .002 .630 .039 .217 .020 .031 .002 Lead L. MF-100 MF-200 Max L. Max. Dia. Lead Dia. * MF-25 & MF-50 ARE ALSO AVAILABLE WITH .022 IN. DIAMETER LEADS Dimensional Correlation in. .0004 .017 .022 .0236 .025 .031 .059 .091 .138 .146 .177 .217 .256 .354 .472 .630 .984 Specifications Type MF-12 MF-25 MF-50 MF-100 MF-200 Power Rating at 70C T100 & TC50 Range (Ohms) 51.1 5.11 5.11 5.11 5.11 511 2.4 2.4 2.4 5.11 mm .01 .45 .56 .60 .63 .80 1.50 2.30 3.50 3.70 4.50 5.50 6.50 9.00 12.0 16.0 25.0 TC25 Range (Ohms) 100 5.11 5.11 5.11 5.11 100 511 1 1 1 Voltage Voltage Max. Working Max. Overload 1/8 W 1/4 W 1/2 W 1W 2W 200 V 250 V 350 V 500 V 500 V 400 V 500 V 700 V 1000 V 1000 V LEAD TAPE PACKAGING PER EIA RS-296 Available Resistance Values 0.5% = E192 1% = E96 5% = E24 & E48 How to Order Sample Part Number MF-25 T100 100K 1% Resistance Tolerance Resistance Value Temperature Coefficient Type DEDICATION TO EXCELLENCE Subject to change without notice Continued on reverse side REV C 12/27/99 Characteristic Specification Test Method (All resistance measurements should be performed after stabilization or conditioning periods.) MIL-STD-202 Method 303 MIL-STD-202 Method 304 MIL-STD-202 Method 301 1/8W 300V 1 minute 1/4W 500V 1 minute 1/2W 700V 1 minute 1, 2W 750V 1 minute MIL-STD-202 Method 302 100V 1 minute MIL-STD-202 Method 308 MIL-STD-202 Method 201 10~ Hz X.Y.Z. 3 directions 2 hours each. MIL-STD-202 Method 211 MIL-STD-202 Method 210 350C, 3 0.05 seconds MIL-STD-202 Method 208 230C, 5 seconds MIL-STD-202 Method 107 -55C, +155C 5 cycles MIL-R-10509 Para, 4.6.6 2.5 times rated working voltage, 5 seconds MIL-STD-202 Method 103 40C, RH 95% 500 MIL-R-10509 Para 4.6.5 Rated working voltage, @ -65C 45 minutes. MIL-STD-202 Method 108 Rated working Voltage 1 1/2 hours on. 1/2 hour off for total 1000 hours MIL-STD-202 Method 215 DC RESISTANCE TEMPERATURE COEFFICIENT DIELECTRIC STRENGTH Within specified tolerance. As buyer requested 25PPM/C 100PPM/C 50PPM/C 200PPM/C No flashover or damage INSULATION RESISTANCE CURRENT NOISE TEST VIBRATION At least 1000M 5.11 to 9.99 less than 0.05V/V 10 to 9.99K less then 0.1V/V 10K to 1M less then 0.2V/V R within (0.25% + 0.05) TERMINAL STRENGTH RESISTANCE TO SOLDERING HEAT SOLDERABILITY No broken or loosened terminals. R within (0.25% + 0.05) At least 95% coverage R within (0.5% + 0.05) THERMAL SHOCK SHORT TIME OVERLOAD R within (0.05% + 0.05) HUMIDITY R within (1% + 0.05) NO mechanical damage R within (0.5% + 0.05) LOW TEMPERATURE OPERATION LOAD LIFE R within (1% + 0.05) RESISTANCE TO SOLVENT Color bands legible. No mechanical damage. CURRENT NOISE uV/V 1.0 0.32 0.10 0.032 0.010 0.003 10 100 1K 10K 100K dB 0 -10 -20 -30 -40 -50 1M Nominal Resistance () REV D 1/20/99 |
Price & Availability of MF-12T100100K05
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