WILLOW LRC

PRODUCT BULLETIN
WILLOW TECHNOLOGIES LTD.
SHAWLANDS COURT, NEWCHAPEL ROAD
LINGFIELD, SURREY, RH7 6BL, ENGLAND
Tel. + 44 (0) 1342 835234 Fax. + 44 (0) 1342 834306
E-mail [email protected]
Website http://www.willow.co.uk
LRC-SERIES
Fractional Ohm
METAL FILM
STANDARD INDUSTRY CASE SIZES
0805 1206 2010 2512
POWER RATINGS .25W, .50W, .75W &
1.0W
TCR ±75, ±100 & ±200 PPM/°C
TOLERANCE 1%
LOW INDUCTANCE
WRAP AROUND TERMINATION
TERMINATION BARRIER FOR
INNER ELECTRODE PROTECTION
STABLE CURRENT DETECTING
RESISTOR
P
Specifications
INCHES
MILLIMETERS
Dimension
TYPE
L
W
H
P
LRC1220L
(0805)
0.079 ±0.006
(2.00 ±0.15)
0.049 ±0.006
(1.25 ±0.15)
0.020 ±0.006
(0.50 ±0.15)
0.016 ±0.010
(0.40 ±0.25)
LRC1632L
(1206)
0.126 ±0.006
(3.20 ±0.15)
0.063 ±0.006
(1.60 ±0.15)
0.024 ±0.006
(0.60 ±0.15)
0.020 ±0.010
(0.50 ±0.25)
LRC2550L
(2010)
0.200 ±0.006
(5.10 ±0.15)
0.098 ±0.006
(2.50 ±0.15)
0.024 ±0.006
(0.50 ±0.15)
0.024 ±0.010
(0.60 ±0.25)
LRC3264L
(2512)
0.250 ±0.006
(6.30 ±0.15)
0.126 ±0.006
(3.20 ±0.15)
0.024 ±0.006
(0.50 ±0.15)
0.024 ±0.010
(0.60 ±0.25)
Operating Temperature Range is -55°C to +125°C
Resistance Tolerance ± 1%
L
Resistance Range
W
Temperature Coefficient
0.025 .049
0.05 .099
0.1 1.0
H
± 200 PPM/°C
± 100 PPM/°C
± 75 PPM/°C
In addition the 0805 part is available from 0.01 .99
Power Ratings
Termination (Outer)
Termination (Barrier)
Termination (Inner)
Protective Coating
Resistive Element
Case Size
0805
1206
2010
2512
Available Values
All E6 values plus the following
Wattage
0805
2010
.25W @ 70°C
.50W @ 70°C
.75W @ 70°C
1.0W @ 70°C
2.0
2.5
5.0
Alumina Substrate
How to Order
Sample Part Number
LRC1632L TC100 0.1R
@ ±200 PPM/°C
1206
2512
2.0
2.4
2.5
2.7
3.9
5.0
5.6
7.5
8.2
1.2
1.6
2.0
2.5
4.0
5.0
6.5
±1%
Resistance Tolerance
Resistance Value
Temperature Coefficient
Type
DEDICATION TO EXCELLENCE
Subject to change without notice
Continued on reverse side
REV C
1/14/00
Performance Data
LOAD LIFE
R ±(0.5% +.0005Ω)
HUMIDITY
R ±(0.5% +.0005Ω)
TEMPERATURE CYCLE
R ±(0.5% +.0005Ω)
SHORT TIME OVERLOAD
R ±(0.5% +.0005Ω)
EFFECTS OF SOLDER HEAT
R ±(0.5% +.0005Ω)
Operating Temperature Range is -55°C to +125°C
Derating Curve
For resistors operated in ambient above 70°C, power dissipation
must be derated in accordance with the curve in Fig. 1.
100
80
Ratio to
60
Dissipation (%)
40
20
0
-60
-55
-40
-20
0
20
40
Ambient Temperature (°C)
60
80
70
100
120
140
125
Figure 1
Data subject to change without notice
See other side
REV C
1/14/00