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HIGH POWER & HIGH VOLTAGE RESISTORS 2 WATT to 250 WATT, 15KV to 300KV
RESISTORS CAPACITORS COILS DELAY LINES
SR SERIES
RoHS
Term.W is RoHS compliant & 260C compatible
Power ratings to 250 watts, voltages to 300KV Wide resistance range: 50K to 5000M Standard Tolerances: 2, 5, 10, 20% Excellent temperature stability Excellent resistance to voltage pulses Ferrule terminals for clip mounting
Industry's highest power film resistors!
RCD's SR Series is designed for high voltage and/or high power applications. Film construction has extremely low reactance enabling superior high-frequency performance. Insulation is resistant to moisture, solvents, and oil mediums. The combination of high power and high voltage provides new opportunities for design engineers to obtain the utmost in performance, without the need to assemble chains of resistors in series. Applications include X-ray equipment, electron microscopes, and TWT amplifiers.
D
| H |
|
Max. Working Voltage*
15K V 20K V 30K V 60K V 90K V 120K V 150K V 200K V 250K V 300K V
L
Wattage @ 70C**
2.0 3.0 5.0 10 25 50 100 150 200 250
|
Critical Resistance
112M 133M 180M 360M 324M 288M 225M 267M 312M 360M
RCD Type
SR15 SR20 SR30 SR60 SR90 SR120 SR150 SR200 SR250 SR300
Resistance R an g e
50K to 500M 50K to 1000M 50K to 2000M 50K to 5000M 50K to 5000M 50K to 5000M 50K to 5000M 100K to 5000M 100K to 5000M 100K to 5000M
Dimensions L
2.05 . 08 [52.1 2] 3.23 .08 [82 2 ] 3.94 .08 [100 2] 7.87 .08 [200 2] 11.02 .08 [280 2] 14.57 .08 [370 2] 18.50 .08 [470 2] 23.62 .12 [600 3] 31.50 .12 [800 3] 39.37 .12 [1000 3]
Inch [mm] H
.275.04 [7.01.01] .275.04 [7.01.01] .394.05 [10.01.27] .590.05 [14.01.27] .787.06 [20.01.52] .787.06 [20.01.52] .984.06 [25.01.52] .984.06 [25.01.52] 1.26.08 [32.01.52] 1.26.08 [32.01.52]
D
.512.02 [13.0.51] .512.02 [13.0.51] .748.02 [19.0.51] .906.02 [23.0.51] 1.18.02 [30.0.51] 1.81.02 [46.0.51] 1.81.02 [46.0.51] 1.81.02 [46.0.51] 2.12.02 [53.8.51] 2.12.02 [53.8.51]
* Maximum working voltage determined by E= PR below the critical resistance value. ** Increased wattage ratings up to double the standard are available, consult factory.
PERFORMANCE CHARACTERISTICS
Wattage Derating (linear) Temperature Range Temperature Coefficient Short-Time Overload* 1000 Hour Load Life (in oil) Dielectric Strength Full power @ 70C to zero @ 125C -25C to + 125C 300 ppm/C Typ. 2.5% Max. R 5.0% Max. R 1.0% Max. R
45
45
D
W
MOUNTING CLIPS
R
H
t
* 2.5x rated wattage (not to exceed 1.5x max. working voltage) for 5 seconds.
For use on Type SR15, SR20 SR30 SR60 SR90 SR120, SR150, SR200 SR250, SR300 R .24 .36 .44 .57 .89
L
L H M
M
(Dimensions given are nominal in inches)
P/N DESIGNATION:
SR90 -
107 - K B W
D .24 .40 .59
t
W .04 .06 .06 .06 .08 .08
RCD Type 3-Digit Resis. Code: 2 signif. digits & multiplier eg. 503= 50K, 104=100K, 105=1M, 106=10M, 107=100M, 108=1000M (1G), etc. Tolerance Code: F=1%, G=2%, J=5%, K=10%, M=20% Packaging: B = Bulk (only) Termination: W= Lead-free
.51 .67 .125 .02 .63 1.00 .165 .03 .71 1.25 .165 .04
.71 .95 1.54 .256 .04 .79 1.42 2.36 .256 .06
1.04 .98 1.77 2.75 .256 .06
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
FA103 Sale of this product is in accordance with GF-061. Specifications subject to change without notice.
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