MF1/4ECT52R2001F [KOA]
Fixed Resistor, Metal Film, 0.25W, 2000ohm, 250V, 1% +/-Tol, 25ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT;
| 型号： | MF1/4ECT52R2001F |
| 厂家： | 
KOA SPEER ELECTRONICS, INC. |
| 描述： | Fixed Resistor, Metal Film, 0.25W, 2000ohm, 250V, 1% +/-Tol, 25ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT |
| 文件： | 总2页 (文件大小：97K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MF, MFS, RK
general purpose metal film leaded resistor
EU
features
• 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
dimensions and construction
L
l
Dimensions inches (mm5
Trimming Line
Ceramic Core
D
Type
L (ref.)
C (max.)
D
d (nom.)
l
d
+.007
.066
-.004
.126 .008
(3.2±±.25
.133
(3.ꢁ5
.018
(±.ꢁꢀ5
MFS1/4
(1.7 +-±±..125
Marking
Resistive
Film
End
Cap
Lead
Wire
.248 .02
.280
.024
.091 .012
MF1/4
MFS1/2
MF1/2
MF1
(6.3±±.ꢀ5
(7.15
(2.3±±.35
(±.65
1.18 .118
(3±.±±3.±5
Insulation Coating
.248 .02
(6.3±±.ꢀ5
.280
(7.15
.091 .012
(2.3±±.35
.024
(±.65
C
.374 .04
(9.ꢀ±1.±5
.437
(11.15
.138 .016
(3.ꢀ±±.ꢁ5
.024
(±.65
Derating Curve
Surface Temperature Rise
.610 .02
(1ꢀ.ꢀ±±.ꢀ5
.721
(18.35
.217 .02
(ꢀ.ꢀ±±.ꢀ5
.031
(±.85
1.50 .118
(38.±±3.±5
MF1/2
100
70
MFS1/2,MF1/4,
60
MF1/2 (+2%&+5%)
80
MF1/4
50
40
30
20
10
0
.248 .02
.280
.091 .012
.024
RK1/4
RK1/2
RK1
60
MF1
(6.3±±.ꢀ5
(7.15
(2.3±±.35
(±.65
MFS1/4
0.94 min.
40
(2ꢁ.± min.5
.374 .04
(9.ꢀ±1.±5
.437
(11.15
.138 .016
(3.ꢀ±±.ꢁ5
.031
(±.85
20
0
.610 .04
(1ꢀ.ꢀ±1.±5
.720
(18.35
.217 .02
(ꢀ.ꢀ±±.ꢀ5
.031
(±.85
1.50 .118
(38.±±3.±5
-60 -40 -20
-55
0
20 40 60 80 100 120 140 160
0
25
50
75
100
70
Ambient Temperature
(°C)
155
% Rated Power
ordering information
New Part #
MF
1/4
L
C
T52
R
R20
J
Power
Rating
Termination
Material
Nominal
Resistance
Type
T.C.R.
Taping and Forming
Packaging
Tolerance
MF
MFS
RK
1/4: 0.25W
1/2: 0.50W
1: 1W
E: 25
C: 50
D: 100
L: 200
G: 250
B: 350
C: SnCu
1/4: T26, T52, VT, VTP,
VTE, MT, M, U,
M10, M25
1/2: T26, T52, VTP,
VTE, M12.5, M15
A: Ammo
R: Reel
+2%: 2 signifi- B: 0.1%
cant figures +
1 multiplier
+0.5%,+1%:
3 significant
figures + 1
multiplier
C: 0.25%
D: 0.5%
F: 1%
G: 2%
J: 5%
1: T521
For further information on packaging,
please refer to Appendix C.
“R” indicates
decimal on
value <100Ω
applications and ratings
Minimum
Absolute Absolute
Resistance Range (Ω)
Power
Operating
Temperature
Range
Part
Dielectric
T.C.R.
Maximum Maximum
Working Overload
Rating
Designation
Withstanding (ppm/°C)
Voltage
(B 0.1%) (C 0.25%) (D 0.5%) (F 1.0%) (G 2.0%) (J 5.0%)
@ 70°C
Voltage
Voltage
E-96
E-96
E-24 E-96 E-24 E-96
E-24
—
E-24
MFS1/4C
C: 50
-55°C
to
+155°C
49.9 - 562k
10 - 1M
MFS1/4D 0.25W
300V
D: 100
L: 200
—
—
—
250V
300V
2.2 - 2.2M
MFS1/4L
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
1/13/09
99
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
MF, MFS, RK
general purpose metal film leaded resistor
applications and ratings
Minimum
Dielectric
Withstanding (ppm/°C)
Voltage
Absolute Absolute
Maximum Maximum
Working Overload
Resistance Range (Ω)
Power
Rating
@ 70°C
Operating
Temperature
Range
Part
Designation
T.C.R.
(B 0.1%) (C 0.25%) (D 0.5%) (F 1.0%) (G 2.0%) (J 5.0%)
Voltage
Voltage
E-96
E-96
E-24 E-96 E-24 E-96
E-24
E-24
30.1-750K
30.1 - 1.0M
10 - 2.21M
MF1/4C
MF1/4D
MF1/4E
MF1/4L
MFS1/2C
C: 50
10- 2.21M
24.3Ω-750K 24.3 - 1.0M
1.0 - 3.01M
D: 100
500V
—
—
0.25W
250V
500V
30.1-750K
30.1 - 1.0M
30.1 - 1.0M
30.1 - 1.0M
1.0 - 10
E: 25
0.51 - 10
10 - 2.2M
2.2 - 2.2M
0.20 - 2.2M
L: 200
C: 50
—
—
—
10 - 1M
10 - 2.21M
MFS1/2D 0.50W
MFS1/2L
500V
700V
D: 100
L: 200
C: 50
D: 100
E: 25
—
—
—
—
350V
350V
700V
700V
47.5- 1.0M
47.5 - 1.5M
10 - 4.99M
10 - 5.11M
47.5 - 2.0M
1.0 - 10
MF1/2C
10 - 5.05M
MF1/2D
—
—
—
-55°C
to
+155°C
0.50W
47.5- 1.0M
47.5 - 1.5M
47.5 - 2.0M
MF1/2E
0.51 - 10Ω 0.33 - 5.6M
MF1/2L
MF1C
L: 200
C: 50
—
—
—
47.5Ω - 1.0M 47.5 - 2.49M
10Ω - 5.11M 1.0 - 6.81M
—
—
MF1D
1W
700V
500V
350V
500V
700V
700V
D: 100
E: 25
—
—
47.5 - 2.0M 7.5 - 2.49M 47.5 - 4.64M 47.5 - 5.11M
MF1E
—
—
—
—
3.09M - 25M
RK1/4D
RK1/4L
RK1/4B
D: 100
L: 200
B: 350
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.25W
—
3.3M - 33M 3.3M - 33M
100k - 33M 100k - 33M
100k - 25M
5.11M - 33M
—
—
—
RK1/2D
RK1/2L
D: 100
L: 200
500V
700V
0.50W
700V
1000V
6.2M - 33M 6.2M - 33M
100k - 35M
RK1/2B
B: 350
100k - 51M 100k - 51M
100k - 100M 100k - 100M
100k - 51M
RK1BC
1W
1000V
700V
B: 350
G: 250
1000V
350V
1500V
700V
RK1/2G*
0.50W
—
1M - 12M
—
* Discharge path resistor
environmental applications
Performance Characteristics
Requirement ∆ R (% + 0.05Ω)
Parameter
Resistance
Limit
Within specified
tolerance
Typical
Test Method
—
25°C
Within specified
T.C.R.
T.C.R.
—
Room temperature, +100°C
RK: 1%, RK1/2G: 2.5% RK: 0.6%, RK1/2G: 2.5%
MF: 0.5% MF: 0.3%
RK: 1%; RK1/2G: 5%; RK: 0.5%; RK1/2G: 1%
MFS: 0.75%; MF1/4, MFS1/4: 0.4%; MF1/4,
MFS1/2, MF1/2: 0.5%, MFS1/2, MF1/2: 0.25%
Rated voltage x 2.5 or max. overload voltage for 5 seconds, whichever is less;
MFS1/2: Rated voltage x 2 or max. overload voltage for 5 seconds, whichever is less
Overload (Short Time)
Resistance to Solder Heat
260°C 5°C, 10 seconds 1 second or
350°C 10°C, 3.5 seconds 0.5 second
Dielectric Withstanding Voltage
Insulation Resistance
No breakdown
Not less than 10,000MΩ
—
—
1 minute
100V, 1 minute
RK,MF: 1%; RK1/2G: 5% MF: 0.3%; RK: 0.5%,
RK1/2G: 1%
Rapid Change of Temperature
Moisture Resistance
Endurance at 70°C
Resistance to Solvent
Impulse
-55°C (30 minutes), +155°C (30 minutes), 5 cycles
RK: 5%; RK1/2G: 10%; RK: 2%; RK1/2G: 5%;
MFS1/4: 1.5%; MF1/4,
MFS1/2, MF1/2: 1%
MFS1/4: 1%; MF1/4,
MFS1/2, MF1/2: 0.75%
40°C 2°C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
70°C 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
The resistor shall be immersed for 5 seconds in IPA
RK: 5%; RK1/2G: 10%; RK: 2%; RK1/2G: 5%;
MFS1/4: 1.5%; MF1/4,
MFS1/2, MF1/2: 1%
MFS1/4: 1%; MF1/4,
MFS1/2, MF1/2: 0.75%
No abnormality in
appearance. Marking
shall be easily legible
No such abnormalities
as short-circuit, burnout,
breakdown, etc.
—
—
Discharge from 1000pF capacitor 50 pulses. Internal 2.5 seconds.
Charge voltage: 1.25kV (RK1/4), 2.5kV (RK1/2) and 6kV (RK1)
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
1/09/09
100
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
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