COMMERCIAL 1/10 to 1/2 WATT CARBON FILM MELF RESISTORS MCF SERIES RoHS RESISTORSCAPACITORSCOILSDELAY LINES Term.W is RoHS compliant & 260°C compatible Economy-grade pricing! Wide resistance range (up to 22MegΩ available) Standard tolerance: ±5% (±2% available) Series ZCF zero-ohm jumpers available, .02Ω maximum. Type ZCF10 is rated at 2A, ZCF12, 3A, and ZCF25 at 5A. ZCF Series marked with a single black band. Low cost, carbon film MELF’s! Pulse voltage to 3KV! Quality levels are unsurpassed due to stringent process controls. Automated Far East production results in low prices. RCD offers the industry’s widest range of sizes and options including zero ohm jumpers and high pulse voltage versions. L OPTIONS Option Z - high pulse voltage to 3KV Option 37 - Group A screening per Mil-R-39008 Inch [mm] t SPECIFICATIONS Series MCF Voltage Rating RCD Type Wattage at 70°C Voltage Rating 1 MCF10 MCF12 MCF22 MCF25 MCF25S .10 .125 .25 .25 .50 D W 100V 200V 250V 250V 250V Max. Pulse Voltage2 200V 400V 400V 600V 600V Series MCFZ Voltage Rating Resis. R an g e 3 Voltage Rating 1 1Ω - 1MΩ 1Ω - 1MΩ 1Ω - 1MΩ 1Ω - 2.2MΩ 1Ω - 2.2MΩ n/a 250V n/a 300V n/a Max. Pulse Voltage2 n/a 2K V n/a 3K V n/a L ±.008 [.2] Resis. R an g e 3 1KΩ - 1MΩ 1KΩ - 1MΩ 1KΩ - 1MΩ 1KΩ - 2.2M 1KΩ - 2.2M .079 .135 .135 .232 .232 D ±.008 [.2] [2.0] [3.4] [3.4] [5.9] [5.9] .044 .057 .057 .085 .085 W (Min.) t (Max.) [1.12] [1.45] [1.45] [2.15] [2.15] .012 .012 .012 .020 .020 [.3] [.3] [.3] [.5] [.5] .006 [.15] .006 [.15] .006 [.15] .008 [.2] .008 [.2] Maximum working voltage determined by E = √PR , E should not exceed value listed in column above. Dielectric strength is rated the same as the maximum working voltage. Peak pulse voltage is highly dependent on pulse waveform and resistance value. Voltage levels given indicate maximum levels for the series. These levels are not attainable for all values and pulse waveforms. Consult factory for application assistance. 3 Consult factory for resistance values outside of standard range (0.1Ω to 22 Meg available). 1 2 TEMPERATURE COEFFICIENT (Typ.) TEMP. COEFFICIENT (ppm/°c) DERATING 100 80 60 -1000 -750 -500 -250 0 10 40 100 1K 10K 100K 1M NOMINAL RESISTANCE (Ohms) 10M 20 CURRENT NOISE (Typ.) 0 25 50 75 100 125 150 175 155°C 200 AMBIENT TEMPERATURE (°C) PERFORMANCE CHARACTERISTICS Operating Temperature Range -55 to +155°C Solderability (5 sec. @ 230°C) 95% coverage Insulation Resistance (Dry) 10,000 MegΩ Short-Time Overload (5 sec. @ 2.5x power not to exceed 2x voltage rating) 0.5%* + .05Ω Resistance to Solder Heat (260°C, 5 sec.) 0.5% + .05Ω Temperature Cycling (-50°C + 120°C) 1.0% + .05Ω Moisture Resis. (MIL-Std-202, Method 106) 5.0% + .05Ω Load Life (1000 hours rated power) 2.5%* + .05Ω +20 NOISE INDEX (db) % OF RATED POWER 120 0 -20 -40 -60 10 100 1K 10K 100K 1M 10M NOMINAL RESISTANCE (Ohms) P/N DESIGNATION: MCF25 - 102 - J T W RCD Type Options: Z, 37 (leave blank if standard) 3-Digit Resis. Code: 2 signif. digits & multiplier 1R0=1Ω, 100=10Ω, 101=100Ω, 102=1KΩ, 103=10K,104=100K, 105=1M, 106=10M, etc. Tolerance: J = 5% (standard), K =10%, G =2% Packaging: B = Bulk, T = Tape & Reel Termination: W= Lead-free, Q= Tin/Lead (leave blank if either is acceptable, in which case RCD will select based on lowest price and quickest delivery * Multiply by 2 for MCF22 and MCF25S Series. RCD Components Inc, 520 E.Industrial Park Dr, Manchester, NH, USA 03109 rcdcomponents.com Tel: 603-669-0054 Fax: 603-669-5455 Email:[email protected] FA090A Sale of this product is in accordance with GF-061. Specifications subject to change without notice. 21