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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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相关代理商/技术参数
LRF3W-R05JW 制造商:TT Electronics / Welwyn 功能描述:RES 0.05 OHM 3W 2512 5% SMD 制造商:TT Electronics / Welwyn 功能描述:RESISTOR 2512 0R05 制造商:TT Electronics / Welwyn 功能描述:RESISTOR, 2512 0R05 制造商:TT Electronics / Welwyn 功能描述:RESISTOR, 2512 0R05; Product Range:WELWYN - LRF Series; Resistance:0.05ohm; Power Rating:3W; Resistance Tolerance: 5%; Resistor Case Style:2512 [6432 Metric]; Resistor Element Material:Thick Film; Temperature Coefficient: ;RoHS Compliant: Yes
LRF3W-R05JW 制造商:TT Electronics / Welwyn 功能描述:RESISTOR 2512 0R05
LRF3W-R07JI 制造商:TT Electronics / Welwyn 功能描述:RESISTOR 2512 R07 3W 制造商:TT Electronics / Welwyn 功能描述:RESISTOR, 2512 R07 3W
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LRF3W-R100JW 制造商:TT Electronics / Welwyn 功能描述: 制造商:Welwyn Components 功能描述:
LRF3W-R10FW 制造商:TT Electronics / Welwyn 功能描述:Res Thick Film 1225 0.1 Ohm 1% 3W ±100ppm/°C Molded SMD T/R 制造商:TT Electronics / Welwyn 功能描述:Res Thick Film 2512 0.1 Ohm 1% 3W
LRF3W-R10JW 功能描述:RES 0.10 OHM 3W 2512 5% SMD RoHS:是 类别:电阻器 >> 芯片电阻 - 表面安装 系列:LRF3W - 汽车 产品培训模块:Chip Resistor 产品目录绘图:Thick Film Resistor Top Thick Film Resistor Side 标准包装:1 系列:RC1206 电阻（欧姆）:825 功率（瓦特）:0.25W，1/4W 复合体:厚膜 特点:- 温度系数:±100ppm/°C 容差:±1% 封装/外壳:1206（3216 公制） 尺寸/尺寸:0.122" L x 0.063" W（3.10mm x 1.60mm） 高度:0.026"（0.65mm） 端子数:2 包装:剪切带 (CT) 产品目录页面:2237 (CN2011-ZH PDF) 工具箱:PHF3-KIT-ND - KIT RES 1% 113 VALUE 200 EA 1206PHF3A-KIT-ND - KIT RES 1% 113 VALUES 50 EA 1206 其它名称:311-825FRCT
LRF3W-R10JW 制造商:TT Electronics / Welwyn 功能描述:RESISTOR 2512 0R1