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| TOKEN MF Metal Film Precision Resistors Metal Film Precision Resistors Precision Metal-Film Resistors for Low-Cost Uses Preview Token offers a low-cost alternative commercial metal film resistor for precision applications. The MF series offers tight tolerances and low TCRs over a wide resistance range and are suitable for applications where long-term stability is paramount. The MF is available in a resistance range of 10 to 1M with a standard resistance tolerance of 1% and a temperature coefficient of resistance (TCR) of +15/-25ppm/C, although other tolerances and TCR s are available. The resistance element in these devices is a precisely controlled thin film of metal alloy deposited on a high quality alumina rod. Plated caps are force-fitted before the assembly is trimmed using advanced trimming techniques to ensure excellent performance and low electrical noise. Leads are welded to the end caps prior to the resistor being coated with epoxy, and colour band marking applied. A variety of standard lead forms are available for use where auto-insertion is not available or practical. This gives the advantage of the value being shown, even if the resistor is machine preformed or auto-inserted. The MF is RoHS compliant with 100% lead free, Contact us with your specific needs. Features - Low cost, low noise, operating temperature range -55C ~ 155C - Precision tighted tolerance available in 0.1%, 0.25%, 0.5%, 1% - Pure tin plating provides compatibility with lead (Pb)-free and lead containing soldering processes Applications - Telecom - Test and measurement - All general purpose applications Version 2010 http://www.token.com.tw/ rfq token.com.tw 01 of 03 TOKEN MF Metal Film Precision Resistors Dimensions & Specifications (Unit: mm) Trimming Line Ceramic Core d Marking H MIL STYLE RN-50 RN-55 RN-60 RN-65 RN-70 POWER RATING(W) RN 1/8W 1/4W 1/2W 1W 2W RNS 1/4W 1/2W 1W 2W 3W Coating Resistive Film End Cap Lead Wire L DIMENSION (mm) MAX WORKING VOLTAGE RN RNS 200 150 250 200 350 250 500 300 500 350 D MAX OVERLOAD VOLTAGE RN RNS 400 300 500 400 700 500 1000 600 1000 700 STYLE MF - 12 MF - 25 MF - 50 MF - 100 MF - 200 L 3.2 0.2 6.0 0.3 9.0 0.5 11 1.0 15 1.0 D 1.5 0.2 2.3 0.3 3.0 0.5 4.0 0.5 5.0 0.5 H 26 1.0 26 1.0 26 1.0 35 3.0 35 3.0 d 0.05 0.40~0.45 0.40~0.50 0.50~0.55 0.75~0.80 0.75~0.80 Resistance Range STYLE MF-12 MIL STYLE RN-50 TOLERANCE 1% 0.5% 0.25% 1% 0.5% 0.25% 0.1% 1% 0.5% 0.25% 0.1% 1% 0.5% 0.25% 0.1% 1% 0.5% 0.25% 0.1% TC+15-25PPM 100-100K 100-100K 100-100K 51.1-511K 51.1-511K 100-300K 100-300K 51.1-1K 51.1-1K 100-551K 100-330K 51.1-1K 51.1-1K 100-551K 100-330K 51.1-1K 51.1-1K 100-551K 100-330K TC+50PPM 10-1M TC+100PPM 10-1M REMARK MF-25 RN-55 10-1M 10-1M *Standard resistance is 10-1M, below or over this resistance on request. MF-50 RN-60 10-1M 10-1M MF-100 RN-65 10-1M 10-1M MF-200 RN-70 10-1M 10-1M 02 of 03 http://www.token.com.tw/ rfq token.com.tw Version 2010 TOKEN Electrical Performance REQUIREMENTS Operating Temp.Range Temp Coefficient (C ) Short Time Overload Dielectric Withstanding V Effect of Soldering Temperature Cycling Low Temp Operation Terminal Strength Moisture Resistance Load Life Storage MF Metal Film Precision Resistors CHARACTERISTICS -55C ~ 155C 25 50 100 (0.5%%+0.05) (0.5%+0.05) (0.5%+0.05) (0.5%+0.05) (0.5%+0.05) (0.5%+0.05) (1%+0.05) (1%+0.05) (0.2%+0.05) JIS C 5202 5.2 5.5 A 5.7 A 6.4 350C 3 sec 7.4 MIL-R-10509F 4.6.12 4.6.6 4.6.8 4.6.10 4.6.4 4.6.5 6.1 4.6.7 7.9 1,000hr MIL R-22684 4.6.10 7.10 1,000hr 4.6.13 Shelved one year in a room of normal temperature and humidity How to Order MF-25 Part Number: MF Rated Power (W) 1/4W 100R F TB Resistance Tolerance (%) Code B C D F Resistance Tolerance 0.10% 0.25% 0.5% 1.0% Resistance Value () Code 10R Resistance Value 100R 1K 1M 10 100 1K 1M Package Code P TB Package Bulk Taping Box Back to 1st Page - Metal Film Resistors (MF) Version 2010 http://www.token.com.tw/ rfq token.com.tw 03 of 03 |
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