LF1/4LCTT684G [KOA]
Fixed Resistor, 0.25W, 680000ohm, 250V, 2% +/-Tol, 50ppm/Cel, Through Hole Mount, RADIAL LEADED, ROHS COMPLIANT;
| 型号： | LF1/4LCTT684G |
| 厂家： | 
KOA SPEER ELECTRONICS, INC. |
| 描述： | Fixed Resistor, 0.25W, 680000ohm, 250V, 2% +/-Tol, 50ppm/Cel, Through Hole Mount, RADIAL LEADED, ROHS COMPLIANT 电阻器 |
| 文件： | 总2页 (文件大小：96K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
,
,
LF LFF RK26
radial metal film leaded resistors
features
• Lead frame construction
• High density assembly and excellent self-standing strength
• Marking: Blue body color with color dot marking
for resistance and tolerance values
• Products with lead-free terminations meet
RoHS requirements. Pb located in glass material,
electrode and resistor element is exempt per Annex 1,
exemption 5 of EU directive 2005/95/EC
dimensions and construction
Dimensions inches (mm)
L
D
Trimming Line
Ceramic Core
Type
LF1/8
L (max.) D (max.)
P
H
h (max.)
t
.197
(5.0)
.100 .008 .236 .039
(2.54 0.2) (6.0 1.0)
.200
(5.08)
.010
(0.25)
.118 .020
h
LF1/4
(ꢀ.0 0.5)
.295
.098
.200 .008
(7.5)
(2.5)
(5.08 0.2)
LF1/4L
LF1/2
.217 .020
(5.5 0.5)
Marking
Resistive
Film
End
Cap
.413
(9.6)
.300 .012
(7.62 0.ꢀ)
.217
(5.5)
.012
(0.ꢀ)
H
Insulation
Coating
Lead
Frame
.02 .004
(0.5 0.1)
t
LFF1/4
RK26B2E
.285
(7.25)
.100
(2.54)
.200 .012 .197 .039
(5.08 0.ꢀ) (5.0 1.0)
P
ordering information - LF, LFF
New Part #
LF
1/4
C
T
T
A
1000
D
Power
Rating
T.C.R.
(ppm/°C)
Termination
Material
Nominal
Resistance
Type
Taping
Packaging
Tolerance
LF
LFF
1/8: 0.125W
1/4: 0.25W
1/4L: 0.25W
1/2: 0.5W
C: 50
D: 100
L: 200
T: Sn
(Other
T: Taping
(1/8W,
1/4W only)
Ammo
(1/8, 1/4
only)
2ꢀ, 5ꢀ: 2 significant
figures + 1 multiplier
“R” indicates decimal
on value <10Ω
0.5ꢀ, 1ꢀ: 3 significant
figures + 1 multiplier
“R” indicates decimal
on value <100Ω
D: 0.5ꢀ
F: 1ꢀ
G: 2ꢀ
J: 5ꢀ
termination
styles may
be available,
please contact
factory for
options)
Blank: Bulk
ordering information - RK26
New Part #
RK26
B
2E
T
T
A
1003
F
T.C.R.
(ppm/°C)
Power
Rating
Termination
Material
Nominal
Resistance
Type
Taping
Packaging
Tolerance
RK26
B: 350
2E: 0.25W
T: Sn
(Other
T: Taping
Blank: Bulk
Ammo
2ꢀ, 5ꢀ: 2 significant
figures + 1 multiplier
“R” indicates decimal
on value <10Ω
0.5ꢀ, 1ꢀ: 3 significant
figures + 1 multiplier
“R” indicates decimal
on value <100Ω
F: 1ꢀ
G: 2ꢀ
J: 5ꢀ
termination
styles may be
available,
please contact
factory for
options)
For further information
on packaging, please
refer to Appendix C.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
2/19/07
98
KOA Speer Electronics, Inc. • Bolivar Drive • P.O. Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
,
,
LF LFF RK26
radial metal film leaded resistors
applications and ratings
Absolute
Maximum
Working
Voltage
Absolute
Maximum
Overload
Voltage
T.C.R.
(ppm/°C)
Max.
Resistance Range (Ω)
Rated
Ambient
Temperature
Operating
Temperature
Range
Part
Designation
Power
Rating
D 0.ꢀ5
E-96
F 15
G 25
E-24
J ꢀ5
E-24
E-24,E-96
C: 50
LF1/8
0.125W
0.25W
0.5W
D: 100
L: 200
C: 50
44.9 - 562k 4.7 - 1M
1 - 1M
1 - 1M
1 - 1M
1 - 1M
1 - 1M
200V
250V
350V
400V
500V
700V
-55°C
to
+150°C
LF1/4
LF1/4L
D: 100
L: 200
C: 50
10 - 1M
10 - 1M
10 - 1M
10 - 1M
+70°C
LF1/2
D: 100
L: 200
C: 50
1 - 1M
—
-55°C
to
+155°C
LFF1/4
0.25W
0.25W
—
—
10 - 100k 10 - 100k
250V
500V
500V
700V
D: 100
B: 350
RK26B2E
100K - 22M 100K - 33M 100K - 33M
environmental applications
Derating Curve
100
80
60
LFF, RK26
40
LF
20
0
-60 -40 -20
-55
0
20 40 60 80 100 120 140 160
70
Ambient Temperature
(°C)
150155
Performance Characteristics
Parameter
Short Time Overload
Effects of Solder
Requirement
(0.5ꢀ + 0.05Ω)
Moisture Resistance
Load Life
(1.0ꢀ + 0.05Ω)
Temperature Cycling
Vibration
(0.5ꢀ + 0.05Ω)
(0.2ꢀ + 0.05Ω)
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
1/03/05
99
KOA Speer Electronics, Inc. • Bolivar Drive • P.O. Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
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