,
,
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