MF1E 查看數據表（PDF） - Unspecified
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MF1E Datasheet PDF : 2 Pages
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MF, MFS, RK
general purpose metal film leaded resistor
EU
features
• Semi-precision metal film resistors
• Meets requirements of MIL-R-22684
• Suitable for automatic machine insertion
• MFS two times the power rating of the standard body type
• Products with lead-free terminations meet EU RoHS
and China RoHS requirements
• AEC-Q200 Qualified: MF1/4, MFS1/4, MFS1/2
dimensions and construction
L
l
D Trimming Line Ceramic Core
d
Type
MFS1/4
MF1/4
L (ref.)
.126±.008
(3.2±0.2)
.248±.02
(6.3±0.5)
Dimensions inches (mm)
C (max.)
D
d (nom.)
.133
(3.4)
.280
(7.1)
.066
+.007
-.004
(1.7 +-00..12)
.091±.012
(2.3±0.3)
.018
(0.45)
.024
(0.6)
Marking
Resistive
Film
Insulation Coating
C
End Lead
Cap Wire
MFS1/2
.248±.02
(6.3±0.5)
.280 .091±.012 .024
(7.1) (2.3±0.3) (0.6)
MF1/2C .354±.04 .437 .138±.016 .024
MF1/2D (9.0±1.0) (11.1) (3.5±0.4) (0.6)
Derating Curve
Surface Temperature Rise MF1/2L
.354±.04
(9.0±1.0)
.437 .138±.016 .024/.031
(11.1) (3.5±0.4) (0.6)/(0.8)
100
80
70
60
MFS1/2
MF1/2
MF1
MF1
.610±.02
(15.5±0.5)
.721
(18.3)
.217±.02
(5.5±0.5)
.031
(0.8)
50
MFS1/4
60
40
MF1/4
RK1/4
.248±.02
(6.3±0.5)
.280 .091±.012 .024
(7.1) (2.3±0.3) (0.6)
40
30
20
20
10
RK1/2
.374±.04
(9.5±1.0)
.437 .138±.016
(11.1) (3.5±0.4)
.024
(0.6)
0
0
-60 -40 -20 0 20 40 60 80 100 120 140 160
0
25
-55
70
155
Ambient Temperature
(°C)
ordering information
50
75
100
% Rated Power
RK1
.610±.04
(15.5±1.0)
.720
(18.3)
.217±.02
(5.5±0.5)
.031
(0.8)
* Lead length changes depending on taping and forming.
l*
1.10±.118
(28.0±3.0)
1.50±.118
(38.0±3.0)
0.94 min.
(24.0 min.)
1.50±.118
(38.0±3.0)
MF
Type
MF
MFS
RK
1/4
Power
Rating
1/4: 0.25W
1/2: 0.50W
1: 1W
For further information on
packaging, please refer to
Appendix C.
L
T.C.R.
E: ±25
C: ±50
D: ±100
L: ±200
G: ±250
B: ±350
C
Termination
Material
C: SnCu
T52
8
R
Taping and
Forming
1/4: T26, T52, VT,
VTP, VTE, MT,
M, U, M10,
M12.5
1/2: T26, T52,
VTP, VTE,
M12.5, M15
1: T521
Lead
Diameter
MF1/2L: T52
& Bulk Only:
6: 0.6mm
8: 0.8mm
Blank: All
others sizes
& packaging
Packaging
A: Ammo
R: Reel
R20
Nominal
Resistance
+2%: 2 significant
figures + 1 multiplier
+0.5%,+1%:
3 significant figures
+ 1 multiplier
“R” indicates
decimal on value
<100Ω
J
Tolerance
B: ±0.1%
C: ±0.25%
D: ±0.5%
F: ±1%
G: ±2%
J: ±5%
applications and ratings
Part
Designation
Power
Rating
@ 70°C
MFS1/4C
0.25W
MFS1/4D
Minimum
Dielectric T.C.R.
Withstanding (ppm/°C)
Voltage
300V
C: ±50
D: ±100
(B±0.1%)
E-96
—
Resistance Range (Ω)
(C±0.25%) (D±0.5%) (F±1.0%) (G±2.0%)
E-96 E-24 E-192 E-24 E-96 E-24
—
49.9 -
562k
10 - 1M
—
(J±5.0%)
E-24
—
Absolute
Maximum
Working
Voltage
250V
Absolute
Maximum
Overload
Voltage
Operating
Temperature
Range
500V
-55°C
to
+155°C
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
8/08/18
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
169
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