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om c LRC / LRF . SERIES 4U t 2010 and 1206 sizes s * Standard 2512, e e * Resistance h values down to 0.003 ohms * Leach resistant solder-plated copper wrap-around termination aS - less than 0.2nH * Low inductance at EIA Tape - 1206 = 8mm; 2010 or 2512 = 12mm * Standard .D w w w SPECIFICATIONS:
Model LR1206 LR2010 LR2512 LR1225 Resistance Range (Ohms) 0.010 to 1 TCR (ppm/C) Power Rating at 70C (Watts) 0.5
LOW VALUE FLAT CHIP RESISTOR
ISO-9001 Registered
IRC proprietary low value resistance film system
High conductivity plated wrap around termination
* 2 Watts with total solder pad and trace size of 300 mm2
CONSTRUCTION & MECHANICAL DIMENSIONS:
Plating Wrap-around
H
SIZE LR1206
m o .c U t4 e e h S ta a .D w w w
Dielectric Withstanding Voltage 200 Temperature Rise at Rated Power 40C 0.003 to 1 0.003 to 1 100 (Contact factory for value below 0.050 ohms) 1.0 200 80C 1.5 / 2.0* 2.0 200 90C 0.003 to 0.10 200 80C
Pad and Trace Area for Max Power Rating @ 70C 30 mm2 30 mm2
100 mm2
200 mm2
LR1206 / 2010 / 2512
D L
LR1225
D bottom 2 places
D
w
H
60/40 Solder Plating Nickel Barrier Layer Copper Wraparound Termination Alumina Substrate
Protective Overcoat
Resistive Element
W
Copper Termination
BOTTOM
TOP
L
W
H
in. mm LR2010 in. mm in. LR2512 mm. LR1225 in. mm.
0.126 0.012 3.20 0.305 0.206 0.015 5.23 0.38 0.256 0.015 6.50 0.38 0.128 0.010 3.25 0.25
0.064 0.008 1.63 0.203 0.104 0.010 2.64 0.25 0.128 .010 3.25 0.25 0.256 0.015 6.5 0.38
0.024 0.004 0.061 0.102 0.029 0.004 0.74 0.1 0.029 0.004 0.74 0.1 0.029 0.004 0.74 0.1
ADVANCED FILM DIVISION 4222 South Staples Street * Corpus Christi, Texas 78411 * Tel: 361-992-7900 * Fax: 361-992-3377 * www.irctt.com
om .c 4U et he aS at .D w w w
D D bottom 0.019 0.010 0.48 0.25 0.019 0.010 0.48 0.25 0.019 0.010 0.48 0.25 0.019 0.010 0.48 0.25 0.019 0.010 0.48 0.25 0.019 0.010 0.48 0.25 0.020 0.010 0.48 0.25 0.031 0.005 0.79 0.12
050699
LRC / LRF
Characteristic
Thermal Shock Short Time Overload High Temperature Exposure Temperature Cycling Moisture
SERIES
ISO-9001 Registered
Environmental Performance
Test Method
MIL-STD-202 Method 107 Condition B, -65C +125C MIL-PRF-55342
Recommended Solder Pad Dimensions
Performance
0.5%
B A
0.5%
C
MIL-PRF-55342 MIL-STD-883 Method 1010 Test Condition B MIL-PRF-55342 MIL-PRF-55342 Rated Power @ 70C MIL-PRF-55342
0.5%
DIM. LR1206 in. mm in. mm in. mm 0.080 (2.0) 0.160 (4.0) 0.050 (1.25) LR2010 0.120 (3.05) 0.255 (6.5) 0.060 (1.5) LR2512 0.145 (3.7) 0.305 (7.75) 0.060 (1.5) LR1225 0.305 (7.75) 0.175 (4.45) 0.06 (1.5)
0.25%
A B
0.5%
Load Life Low Temperature Operation Low Temperature Storage Resistance to Solder Heat Leach Resistance
1.0%
C
0.5%
Derating Curve
100
-65C, 100 Hours
0.5%
% Of Rated Power
50
MIL-STD-202 Method 210
0.25% 90 seconds minimum
10 25 70 150
Molten Solder 250C
Temperature in C
Pulse and Surge Capability
70 50 Surge Power Watts 30 20
10 7 5 3
LRC 25 12 2 w atts LRC 20 10 1 w att LRC 12 06 0.5 watts
Average power dissipation should not exceed normal 70C rating
300 Sec Sec
1 m Sec
3 m Sec
10 m Sec 30 m Sec Surge or Repetitive Pulse Duration
100 m Sec
300 m Sec
1
HOW TO ORDER Sample Part Number: LRC - LR 2010 - 01 - R040 - J
MODEL LR = Resistance ranges above .025 ohm LRF = Resistance range .025 and below SIZE: 1206, 2010, 2512, 1225 TCR CHARACTERISTIC 01 = 100 ppm/oC (Standard) RESISTANCE CODE Standard MIL code with "R" signifying decimal place. TOLERANCE F = 1%; G = 2%; J = 5%; K = 10%
ADVANCED FILM DIVISION 4222 South Staples Street * Corpus Christi, Texas 78411 * Tel: 361-992-7900 * Fax: 361-992-3377 * www.irctt.com
050699

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