Metal Film Fixed Resistors
Type LR Series
Key Features
I
Superior quality metal
film resistors with 1%
tolerance and
temperature coefficients
down to 50 ppm. 3 case
sizes are available in
0.25, 0.6, 0.75W. The
LR1L series is a
low ohmic value range
from 0.1 to 0.82 ohm.
Ideally suited where low
resistance and small size
are required.
I
Metal film resistors have
excellent stability under
load and severe
environmental
conditions. They exhibit
very low noise current
and voltage coefficients.
They are available in a
wide range of resistance
values and are suitable
for general purpose
and precision
applications.
The resistive element comprises a thin film of nickel-chrome alloy evaporated onto a high
thermal conductivity ceramic element. Metal end caps are force fitted to the element prior
to spiralling to value. Tinned copper lead wires are welded to the end caps and the
components are then coated. One coat of phenolic resin is followed by three coats of
epoxy resin. All resistors are tested for value and tolerance.
Characteristics - Electrical
LR0204
LR1L
LR1
LR2
LR100
0.25
0.5
0.6
0.75
1
2
10R
10R
Rated Power @ 70°C (W)
Resistance Range (Ohms) Min
1R0
10R
R10
Max
1R0
10R
1M1
1R0
9R1
1M0
10M
1M0
9R1
1M0
R82
Tolerance (%)
1
1
5
Code Letter
F
F
J
Temp. Coefficient (ppm/°C)
± 100
± 100
± 200
± 100
± 50
± 100
Selection Series
E24
E24
E12
E24
E24
E24
On Request
1
1
1
0.5 1 22 0.5 1 22 0.5 1 55 1
F
D F G D F G D F JJ F
G F
G F
1M0
LR200
1M0
2
1
5
1
5
G
F
J
F
J
± 100 25/50/100 25/50/100
E24
E24
E24
E96
E96
E96
E96
E96
Limiting Element Voltage
200
350
350
350
500
500
Max Permitted Element Voltage
200
350
350
350
500
500
400
500
700
700
1000
1000
750
750
750
1000
1000
700
700
700
Max Overload Voltage
Max Intermittent Overload Voltage
500
Operating Temp. Range (°C)
-55 to +155
Climatic Category
Dielectric Strength (V)
55/155/56
500
700
Insulation Resistance
Min Dry (Mohms)
1773241 CIS BI 06/2011
Dimensions are in millimeters
and inches unless otherwise
specified. Values in brackets
are standard equivalents.
700
1000
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
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