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ECONOMY WIREWOUND RESISTORS 1 WATT to 10 WATT
RESISTORS CAPACITORS COILS DELAY LINES
RW SERIES
RoHS
Term.W is RoHS compliant & 260C compatible
Excellent performance at economy prices Inherent stability due to all-welded wirewound construction Wide resistance range: 0.01 to 25K Standard tolerance is 5% (2% and 10% available) Available on exclusive SWIFTTM delivery program Available on horizontal Tape & Reel (1W-10W), or vertical Tape & Reel (1W-3W)
RW Series resistors are manufactured on an exclusive automated system, resulting in significant cost savings. Ceramic core results in performance levels far superior to conventional fiberglass cores, especially in regards to overload capability, TCR, noise characteristics, and load life stability. Coating is flame resistant and offers excellent moisture and solvent resistance.
OPTIONS
Option X: Low Inductance Option P: Increased Pulse Capability Option FF: Flameproof Fusible (see application guide below) Option E: Low Thermal EMF Option F: Flameproof Coating Also available: cut & formed leads (horizontal and vertical), increased voltage, special marking, etc. Customized components are an RCD specialty!
DERATING
% RATED POWER
100 75 50 25 0
RW1-RW3 RW5, RW10
0
25
50
75
100
125 150 175
200 225
250
275 300
AMBIENT TEMPERATURE ( C )
L (Max)
.390 [9.9] .500 [12.7] .49 [12.2] .638 [16.2] .500 [12.7] .74 [18.8] 1.7 [43.2]
H
L
D .032 [.8]
.140 [3.56] .180 [4.6] .188 [4.9] .220 [5.6] .180 [4.6] .256 [6.5] .325 [8.26]
d

D
H Min.**
0.96 [24] 1.16 [30] 1.16 [30] 1.16 [30] 1.25 [32] 1.25 [32] 1.25 [32]
SPECIFICATIONS
RCD Type
RW1 RW2 RW2S RW3 RW3S RW5 RW10
Wattage
1 2 2 3 3 5 10
Voltage Rating
60V 100V 100V 140V 120V 210V 700V
Resistance R an g e
0.01-2.4K 0.01-10K 0.01-9.1K 0.01-20K 0.01-10K 0.05-25K 0.1-25K
d .005 [.13]
.027 [.69] .028 [.71] .028 [.71] .031* [.8] .03 [.75] .031* [.8] .031* [.8]
* 0.040 lead dia. available, specify option `18'
** Lead length of parts supplied on tape may be shorter
TYPICAL PERFORMANCE CHARACTERISTICS
Temperature Range -55C to +275C 1 and above: 100ppm/C 0.05 to 0.99 : 300ppm/C Below 0.05 : 600ppm/C 1000 Megohms Color band (or alpha-numeric) with res.value and tolerance 2% R 1% R 500V 2% R (Option FF= 3% typ) 5 x rated W, 5 Sec. (Option FF = 2xW, 5S)
OPTION FF FUSE RESISTOR APPLICATION GUIDE
1. Opt. FF fusible version is available from 0.1 - 2.4K (RW1=1.2K max) 2. Fault level must be suitable to safely open the resistor. Option FF parts are desgned to blow within 20S at 15x rated power if 1, 20x if<1 (preferable if fault level is double this level to ensure quick fusing time). 3. Maximum fault must not exceed 200x W rating, or voltage rating, whichever is less (increased levels avail). 4. For customized fusing, complete RCD's fuse questionnaire, or advise the desired fusing wattage/current, min/max blow times, continuous power, surge reqts, ambient temp, physical constraints, fault voltage, inductance, etc. 5. Fuse types shouldn't be mounted in contact with other components or PCB. 6. Residual resistance is 100x initial value after fusing. 7. Verify selection by evaluating under the full range of fault conditions. Place resistors inside a protective case when testing under overload.
Temperature Coefficient
Insulation Resistance Marking Moisture Resistance Thermal Shock Dielectric Strength Load Life Overload
P/N DESIGNATION:
RW3
- R01 - J T W
RCD Type Options: X, P, FF, E, 18 (leave blank for std) Resis. Code: 2 signif. digits & multiplier, e.g. R01=.01, R015=.015, R10=.1, 1R0=1, 100=10, 101=100, 102=1K, etc. Tolerance Code: G=2%, J=5% (std), K=10% Packaging: B=Bulk, T=Horiz Tape & Reel, APN=Vertical Tape & Box Termination: W = Lead-free, Q = Tin/Lead (leave blank if either is acceptable)
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
FA046D Sale of this product is in accordance with GF-061. Specifications subject to change without notice.
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