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RK14LCT52RR20F Datasheet(PDF) 1 Page - KOA Speer Electronics, Inc.

Part # RK14LCT52RR20F
Description  general purpose metal film leaded resistor
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Manufacturer  KOA [KOA Speer Electronics, Inc.]
Direct Link  http://www.koaspeer.com
Logo KOA - KOA Speer Electronics, Inc.

RK14LCT52RR20F Datasheet(HTML) 1 Page - KOA Speer Electronics, Inc.

  RK14LCT52RR20F Datasheet HTML 1Page - KOA Speer Electronics, Inc. RK14LCT52RR20F Datasheet HTML 2Page - KOA Speer Electronics, Inc.  
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background image
MF
MFS
RK
features
MF, MFS, RK
general purpose metal film leaded resistor
dimensions and construction
Ceramic Core
d
D
Marking
Resistive
Film
Insulation Coating
Trimming Line
End
Cap
Lead
Wire
L
l
C
L (ref.)
MF1/4
.248±.02
(6.3±0.5)
.280
(7.1)
.091±.012
(2.3±0.3)
.024
(0.6)
1.10±.118
(28.0±3.0)
.024
(0.6)
.138±.016
(3.5±0.4)
.437
(11.1)
.354±0.4
(9.0±1.0)
MF1/2
Type
C (max.)
D
d (nom.)
l*
Dimensions inches
(mm)
1/4: T26, T52, VT, VTP,
VTE, MT, M, U,
M10, M12.5
1/2: T26, T52, VTP,
VTE, M12.5, M15
1:
T521
ordering information
+2%: 2 signifi-
cant figures +
1 multiplier
+0.5%,+1%:
3 significant
figures + 1
multiplier
“R” indicates
decimal on
value <100Ω
1/4: 0.25W
1/2: 0.50W
1: 1W
C: SnCu
B: ±0.1%
C: ±0.25%
D: ±0.5%
F: ±1%
G: ±2%
J: ±5%
MF
1/4
C
Termination
Material
Type
Power
Rating
Nominal
Resistance
Tolerance
Taping and Forming
New Part #
T52
R20
A: Ammo
R: Reel
Packaging
R
J
For further information on packaging,
please refer to Appendix C.
E: ±25
C: ±50
D: ±100
L: ±200
G: ±250
B: ±350
T.C.R.
L
MFS1/4
.126±.008
(3.2±0.2)
.133
(3.4)
.018
(0.45)
.024
(0.6)
.091±.012
(2.3±0.3)
.280
(7.1)
.248±.02
(6.3±0.5)
MFS1/2
.066 +.007
-.004
(1.7 +0.2)
-0.1
.031
(0.8)
1.50±.118
(38.0±3.0)
1.50±.118
(38.0±3.0)
.217±.02
(5.5±0.5)
.721
(18.3)
.610±.02
(15.5±0.5)
MF1
EU
RK1/4
.248±.02
(6.3±0.5)
.280
(7.1)
.091±.012
(2.3±0.3)
.024
(0.6)
.024
(0.6)
.138±.016
(3.5±0.4)
.437
(11.1)
.374±.04
(9.5±1.0)
RK1/2
.031
(0.8)
.217±.02
(5.5±0.5)
.720
(18.3)
.610±.04
(15.5±1.0)
RK1
0.94 min.
(24.0 min.)
Absolute
Maximum
Overload
Voltage
Absolute
Maximum
Working
Voltage
Part
Designation
Power
Rating
@ 70°C
applications and ratings
Minimum
Dielectric
Withstanding
Voltage
T.C.R.
(ppm/°C)
Resistance Range (Ω)
(B±0.1%)
E-96
(C±0.25%)
E-96
(D±0.5%)
E-24 E-192
(F±1.0%)
E-24 E-96
Operating
Temperature
Range
(G±2.0%)
E-24
(J±5.0%)
E-24
MFS1/4C
MFS1/4D
0.25W
49.9 -
562k
10 - 1M
D: ±100
C: ±50
300V
——
250V
300V
-55°C
to
+155°C
Derating Curve
100
80
60
40
20
-60
-40
0
40
6080
100160
70
20
Ambient Temperature
(°C)
0
-55
120
155
-20
140
Surface Temperature Rise
70
50
40
30
20
0
25
50
75
% Rated Power
0
100
10
60
MFS1/2
MF1/2
MF1/4
MFS1/4
MF1
* Lead length changes depending on taping and forming.
109
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/18/12
Semi-precision metal film resistors
The discharge path resistor is recognized by UL 1676 and
c-UL (CAS-C22.2 No.1-M94). (File No. E159326) (RK only)
Meets requirements of MIL-R-22684
Suitable for automatic machine insertion
MFS two times the power rating of the standard body type
Marking: Blue-gray body color with color-coded bands
Products with lead-free terminations meet EU RoHS
and China RoHS requirements
AEC-Q200 Qualified: MF1/4, MFS1/4, MFS1/2


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