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LRC-LRF3WLF-01 数据表(PDF) 2 Page - TT Electronics.

部件名 LRC-LRF3WLF-01
功能描述  LOW Value 3W Chip Resistors
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制造商  TTELEC [TT Electronics.]
网页  http://www.ttelectronics.com/
标志 TTELEC - TT Electronics.

LRC-LRF3WLF-01 数据表(HTML) 2 Page - TT Electronics.

  LRC-LRF3WLF-01 Datasheet HTML 1Page - TT Electronics. LRC-LRF3WLF-01 Datasheet HTML 2Page - TT Electronics. LRC-LRF3WLF-01 Datasheet HTML 3Page - TT Electronics.  
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Low Value 3W
Chip Resistors
LRF3W Series
Low Value 3W
Chip Resistors
LRF3W Series
© 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
04.10
Welwyn Components
85
Performance Data
Construction
Patented non-noble copper based thick film material,
overglaze and organic protection are screen printed on a 96%
alumina substrate. The components are laser trimmed to
achieve the required resistance tolerance.
Terminations
The wrap-around terminations have an electroplated nickel
barrier and matte tin finish, this ensures excellent ‘leach’
resistance properties and solderability.
Chips can withstand immersion in solder at 250°C for
90 seconds and are suitable for reflow or wave soldering
mounting applications.
Marking
The body protection and marking are resistant to all normal
industrial cleaning solvents suitable for printed circuits.
Chips are packed and mounted with marking side up.
The LRF3W Chips are mounted with the actual resistor
element mounted face down on its termination pads.
Packaging
LRF3W Resistors are supplied taped and reeled as per IEC 286-3. The standard quantity per reel is 1800 parts.
Notes:
1. Full AEC-Q200 qualification applies to ohmic values
R02.
Tape dimensions in mm
W
P1
P0
P2
D0
D1
E
F
A0
B0
K0
T
T1
T2
±0.3
±0.1
±0.1
±0.05
±0.1
±0.2
±0.1
±0.05
±0.1
±0.1
±0.1
±0.05
nom
±0.15
LRF3W
12
8
4
2
1.5
1.5
1.75
5.5
3.61
6.96
1.17
0.28
0.06
1.45
2.5
± 0.5
13
± 0.5
33
± 1.0
Marking
(Both sides)
0.8
± 0.15
13
± 0.5mm
P1
A0
D1
D0
P0
P2
T2
T1
K0
T
AEC-Q200 Table 7
Method
Max.
(add R05)
Typ.
(@R20)
ref
Test
3
High Temp. Exposure
MIL-STD-202 Method 108
R%
0.5
0.2
4
Temperature Cycling
JESD22 Method JA-104
R%
0.25
0.1
6
Moisture Resistance
MIL-STD-202 Method 106
R%
0.5
0.2
7
Biased Humidity
MIL-STD-202 Method 103
R%
0.5
0.2
8
Operational Life (Cyclic Load)
MIL-STD-202 Method 108
R%
1
0.5
14
Vibration
MIL-STD-202 Method 204
R%
0.5
0.05
15
Resistance to Soldering Heat
MIL-STD-202 Method 210
R%
0.25
0.05
16
Thermal Shock
MIL-STD-202 Method 107
R%
0.25
0.1
18
Solderability
J-STD-002
>95% coverage
21
Board Flex
AEC-Q200-005
R%
0.5
0.2
22
Terminal Strength
AEC-Q200-006
R%
0.25
0.1
Short Term Overload
6.25 x Pr for 2s
R%
0.5
Low Temperature Storage
-65°C for 100 hours
R%
0.5
Shelf Life Test
Room temp for 12 months
R%
0.1
Leach Resistance
Solder dip at 250°C
90s minimum
0
20
40
60
80
100
0
20
40
60
80
100
120
140
160
Ambient Temperature (°C)
Temperature Derating
Thermal Data
10
100
100
1000
PCB Copper Area per Termination (mm2)
Temperature Rise
1W
3W
2W
09.16
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
© TT Electronics plc
www.ttelectronicsresistors.com
BI Technologies IRC Welwyn


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