参数资料
型号: LRF3W-R0050JW
厂商: TT Electronics/Welwyn
文件页数: 1/4页
文件大小: 0K
描述: RES 0.005 OHM 3W 2512 5% SMD
标准包装: 1
系列: LRF3W
电阻(欧姆): 0.005
功率(瓦特): 3W
复合体: 厚膜
特点: 电流检测
温度系数: ±100ppm/°C
容差: ±5%
封装/外壳: 2512(6432 公制)宽(长侧)1225(3264 公制)
尺寸/尺寸: 0.125" L x 0.250" W(3.18mm x 6.35mm)
高度: 0.037"(0.94mm)
端子数: 2
包装: 标准包装
其它名称: 985-1223-6
p Resistors 3W
Chip Resistors
Chip Resistors
eries
Low Value 3W
Chip Resistors
Welwyn Componen
Welwyn Components
Welwyn Components
s @ 70°C LRF3W Series
? Tolerances range from 0.003 to 1 ?
ces to ±1%
· ? AEC-Q200 Qualified
Tolerances to ±1%
· Low
LRF3W Series
· ? 122570°CWatts @
LRF3W in Series package
from range to ? · ? 3 @ 70°C ? range Watts
nce range Resistance 0.003 from 1 0.003 to 0.1 Ω
Tolerances ±1%
AEC-Q200 Qualified
00 Qualified thermal impedance
· Wide Qualified
? AEC-Q200 terminations enhance robustness
· RoHS compliant and SnPb variants
C h s
Electrical Data
Electrical Data
V a l u e
LRF3W
Power Derating Curve
Power Derating Curve
100
cal Data
Resistance range 1 @70°C
Power dissipation
R003 Watts
3
Power Derating Curve
3
a c rating @70°C C h a e r c
Power dissipation @70°C
Resistance Range
D w Range d l r i h s
Resistance tolerance
watts l u e
3 V Watts
1R0
0 0 V % 2
R003 to 1R0
80
100
80
60
R003 to R10
<R004: 5, ≥R004: 1, 2, 5
i c
V a l u e
40 <R004: ±550,
TCR e l e c t r i c temp h s range
Ambient w i t t a n d
-55 to 2 ppm/°C
0 +150°C
≥R004: ±100
D i
0 V
ation @70°C Dielectric withstand
3 Watts ≥ -55 to 1, 2, 5%
Ambient temp range <R004 +150°C 20 200
R004
Ambient temperature range <R004 5%, 80 20 -55 to +150
ange Resistance tolerance R003 to 1R0 R004 p 1, 2, ° 5% 25 ° 70 ° 150 °
Values E24 preferred 2
60
0 Temperature in ° C
25 °
70 °
150 °
Pad R / trace area 3
T C
± 1 300mm 2 / ° 2 C
0 0 p p mm
m
h s t a n d
2 0 0 V
500
power trace area for maximum
Pad &
40
mp range
-55 to +150°C 300mm
Physical Data <R004 5%,
Physical Data R004 1, 2, 5%
lerance
± 1 0 0 p p m / ° C (Board Side) 25 ° Solder Pad Layout
Bottom Recommended Solder Pad Dimensions
Solder Pad Layout ° C
Temperature in
area for maximum
300mm 2
with example Kelvin PCB traces
*
60
100
Resistance tolerance
Pad & trace area for maximum
rating* Temperature in ° C
Note 1: Contact factory for values outside this range. Note 2 2: Many values = N x R001 and N x R005 up to N=10 are also available.
Note 3: rating*
power Recommended minimum pad & adjacent trace area for each termination for rated dissipation on FR4 PCB
20
Top Bottom 0 Recommended
Top Bottom Recommended
with Solder Pad PCB
(Board Side) Recommended example Kelvin Dimensions traces
0.51 ± 0.13mm 0.81 ± 0.13mm
0.51 ± 0.13mm 0.81 ± 0.13mm
150 °
7.6 mm
Recommended 1mm
6.35
al Data ± 0.13mm
6.35 ± 0.13mm
Top
3.18 ± 0.13mm
Plating
wrap-around
Plating
wrap-around
max
0.94 Bottom
thickness
(Board Side)
0.94 mm max
thickness
2.29
± 0.13mm
2.29
± 0.13mm
Current Track: I
Sense Tracks: V+
Current Track: I
7.6mm
7.6mm
2 mm
2mm
V- 1mm mm
2mm
Solder Pad Layout
0.51 ± 0.13mm
3.18 ± 0.13mm
Weight 0.065g typ.
Weight 0.065g typ.
0.81 ± 0.13mm
m
Plating
wrap-around
2.29
± 0.13mm
7.6mm
General Note
information Note subject to Welwyn’s own data and is considered accurate at time of going to print. A subsidiary of
TT electronics plc
Welwyn Components reserves the right to make changes in product specification without notice or liability.
thickness
0.13mm +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com 04.10
84
3.18 ±
General Note
Welwyn Components reserves the right to make changes in product specification without notice or liability.
TT electronics reserves the right to make changes in product specification without notice or liability.
? Welwyn is is subject TT Welwyn’s own own data is max at time time UK to to · mm and considered accurate at of of Limited data and subject A subsidiary of
All information Components electronics’ 0.94 Bedlington, Northumberland NE22 7AA, going going print. print. www.bitechnologies.com www.irctt.com www.welwyn-tt.com
TT Welwyn plc
? electronics Components Limited · Bedlington, Northumberland NE22 7AA, UK
plc
Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com TT electronics 04.10
2.14
2mm
1mm
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