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COMMERCIAL 1/10 to 1/2 WATT CARBON FILM MELF RESISTORS
RESISTORS CAPACITORS COILS DELAY LINES
MCF SERIES
RoHS
Term.W is RoHS compliant & 260C compatible
Economy-grade pricing! Wide resistance range (up to 22Meg available) Standard tolerance: 5% (2% available) Series ZCF zero-ohm jumpers available, .02 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.
OPTIONS
Option Z - high pulse voltage to 3KV Option 37 - Group A screening per Mil-R-39008
L
W
D
Inch [mm]
SPECIFICATIONS
Series MCF Voltage Rating RCD Type MCF10 MCF12 MCF22 MCF25 MCF25S
1 2
t
Series MCFZ Voltage Rating Voltage Rating 1 n/a 250V n/a 300V n/a Max. Pulse Voltage2 n/a 2K V n/a 3K V n/a Resis. R an g e 3 1K - 1M 1K - 1M 1K - 1M 1K - 2.2M 1K - 2.2M L .008 [.2] .079 .135 .135 .232 .232 [2.0] [3.4] [3.4] [5.9] [5.9] D .008 [.2] .044 .057 .057 .085 .085 [1.12] [1.45] [1.45] [2.15] [2.15] W (Min.) t (Max.)
Wattage at 70C Voltage Rating 1 .10 .125 .25 .25 .50 100V 200V 250V 250V 250V
Max. Pulse Voltage2 200V 400V 400V 600V 600V
Resis. R an g e 3 1 - 1M 1 - 1M 1 - 1M 1 - 2.2M 1 - 2.2M
.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 (0.1 to 22 Meg available).
DERATING
120
% OF RATED POWER
TEMPERATURE COEFFICIENT (Typ.)
TEMP. COEFFICIENT (ppm/c)
-1000 -750 -500 -250 0 10 100 1K 10K 100K 1M NOMINAL RESISTANCE (Ohms) 10M
100 80 60 40 20 0 25 50 75 100 125 150 175 155C 200 AMBIENT TEMPERATURE (C)
CURRENT NOISE (Typ.)
+20
NOISE INDEX (db)
0 -20 -40 -60 10 100 1K 10K 100K 1M 10M NOMINAL RESISTANCE (Ohms)
PERFORMANCE CHARACTERISTICS
Operating Temperature Range Solderability (5 sec. @ 230C) Insulation Resistance (Dry) Short-Time Overload (5 sec. @ 2.5x power not to exceed 2x voltage rating) Resistance to Solder Heat (260C, 5 sec.) Temperature Cycling (-50C + 120C) Moisture Resis. (MIL-Std-202, Method 106) Load Life (1000 hours rated power)
* Multiply by 2 for MCF22 and MCF25S Series.
-55 to +155C 95% coverage 10,000 Meg 0.5%* + .05 0.5% + .05 1.0% + .05 5.0% + .05 2.5%* + .05
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=1, 100=10, 101=100, 102=1K, 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
RCD Components Inc, 520 E.Industrial Park Dr, Manchester, NH, USA 03109 rcdcomponents.com Tel: 603-669-0054 Fax: 603-669-5455 Email:sales@rcdcomponents.com
FA090A Sale of this product is in accordance with GF-061. Specifications subject to change without notice.
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