LRC [TTELEC]
Low Value Flat Chip Resistor; 低价值的片式电阻器
| 型号： | LRC |
| 厂家： | 
TT Electronics |
| 描述： | Low Value Flat Chip Resistor |
| 文件： | 总2页 (文件大小：106K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Low Value Flat
Chip Resistor
Welwyn Components
LRC/LRF Series
• Standard 2512, 2010 and 1206 sizes
• Resistance values down to 0.003 ohms
• Leach resistant solder-plated copper
wrap-around termination
• Low inductance - less than 0.2nH
• Standard EIA Tape - 1206 = 8mm; 2010 or
2512 = 12mm
Electrical Data
LR1206
0.5
LR2010
1.0
LR2512
1.5/2.0*
0R003 to 1R
200
Power rating at 70°C
Resistance range
watts
ohms
volts
0R010 to 1R
200
0R003 to 1R
200
Dielectric withstanding voltage
TCR
ppm/°C
%
100 (Contact factory for value below 0.050 ohms)
Resistance tolerance
≤R005 5%, >R005 1, 2, 5%
Temperature rise at rated power
Pad and trace area for max power rating @ 70°C
°C
mm2
40
30
80
30
90
100
*2 Watts with total solder pad and trace size of 300 mm2
Physical Data
Dimensions (mm)
Size
L
W
H (max)
0.8
D
D1
LR1206
LR2010
LR2512
3.20 0.305
5.23 0.38
6.50 0.38
1.63 0.203
2.64 0.25
3.25 0.25
0.48 0.25
0.48 0.25
0.48 0.25
0.48 0.25
0.48 0.25
0.48 0.25
0.8
0.8
LR 1225
LR 1206 / 2010 / 2512
D
W
W
L
H
H
D
Solder Plating
D
1
Nickel Barrier Layer
L
Protective Overcoat
Resistive Element
Copper Termination
Copper Wraparound
Termination
Alumina Substrate
General Note
Welwyn Components reserves the right to make changes in product specification without notice or liability.
All information is subject to Welwyn’s own data and is considered accurate at time of going to print.
A subsidiary of
TT electronics plc
© Welwyn Components Limited · Bedlington, Northumberland NE22 7AA, UK
Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
Issue E · 12.04
23
Low Value Flat
Chip Resistor
LRC/LRF Series
Welwyn Components
Dimensions (mm)
A
A
B
C
LR1206
LR2010
LR2512
2.0
4.0
1.25
B
3.05
3.7
6.5
1.5
1.5
C
7.75
(%)
100
80
60
40
20
0
Characteristics
Test Method
Performance
MIL-STD-202 Method 107
Condition B, -65°C +125°C
Thermal Shock
0.5%
Short Time
Overload
MIL-PRF-55342
MIL-PRF-55342
0.5%
0.5%
0.25%
0.5%
High Temperature
Exposure
Temperature
Cycling
MIL-STD-883 Method 1010
Test Condition B
25
70
150 (°C)
Ambient temperature
MIL-PRF-55342
Moisture
Load Life
MIL-PRF-55342
Rated Power @ 70°C
1.0%
Low Temperature
Operation
MIL-PRF-55342
-65°C, 100 Hours
0.5%
0.5%
Low Temperature
Storage
Resistance to
Solder Heat
MIL-STD-202 Method 210
Molten Solder 250°C
0.25%
90 seconds
minimum
Leach Resistance
Note:
Packaging
For resistance values R025 and below part will be supplied
Resistors are supplied tape and reel as per IEC 286-3.
as type LRF.
Type
1206
2010
Reel
3,000
3,000
Components must be mounted with resistance value
marking face up.
Ordering Procedure
Specify type reference, value and tolerance as shown in this
example of LR1206 1R 1%:
To ensure correct resistance value and tolerance.
Type
LR1206
IR0
F
Resistance value
(IEC62 code)
Tolerance
(IEC62 code)
F
1%
G
J
2%
5%
© Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK
Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
Issue E · 12.04
24
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