LVM Series
A p p L i c At i o n S
Current Sensing Metal Chip Resistor
F E At u R E S
• Power Management Applications
• Switching Power Supply
• Over Current Protection in Audio
Applications
• Voltage Regulation Module (VRM)
• DC-DC Converter, Battery Pack,
Charger, Adaptor
• SMD Type designed for automatic inser-
tion
• High overload rating in small size (5 times rated watt-
age for 5 seconds)
• Metal foil construction ensures high reliability and performance
with very low TCR values
• Designed for current sense circuits in power electronic systems
• Pb-Free to meet RoHS requirements
TCR
ppm/°C
Tolerance
100
±1% ±2% ±5%
50, 100
100
±1% ±2% ±5%
50, 100
75
±0.5% ±1% ±5%
50
p E R F o R M A n c E d AtA
Item Requiremen
TCR
As Spec.
Short Time
±(0.5%+0.05Ω)
Overload
Insulation
≥10G
Resistance
(100M for LVM25)
Endurance
±(1.0%+0.05Ω)
Test Method
JIS-C-5201-1 4.8, IEC-60115-1 4.8,
-55°C~+125°C, 25°C is the reference temperature
JIS-C-5201-1 4.13, IEC-60115-1 4.13, 5 X Rated
Power for 5 seconds
JIS-C-5201-1 4.6, IEC-60115-1 4.6, Max. Overload
voltage for 1 minute
JIS-C-5201-1 4.25, IEC-60115-1 4.25.1, 70±2°C,
RCWV for 1000 hrs with 1.5 hrs “ON” and 0.5 hrs
“OFF”
JIS-C-5201-1 4.24, 40±2°C, 90~95% R.H., RCWV
for 1000 hrs with 1.5 hrs “ON” and 0.5 hrs “OFF”
JIS-C-5201-1 4.23, IEC-60115-1 2.23.2, at +155°C
for 1000 hrs
JIS-C-5201-1 4.33, IEC-60115-1 4.33, Bending
once for 5 seconds with 3mm, 2010, 2512 sizes:
2mm
JIS-C-5201-1 4.17, IEC-60115-1 4.17, 245±5°C
for 3 seconds
JIS-C-5201-1 4.18, IEC-60115-1 4.18, 260±5°C
for 10 seconds
JIS-C-5201-1 4.7, IEC-60115-1 4.7, 1.42 times
Max. Operating Voltage for 1 minute
JIS-C-5201-1 4.18, IEC-60068-2-58 8.2.1,
260±5°C for 30 seconds
S E R i E S S p E c i F i c At i o n S
Series
LVM06
LVM12
LVM25
Power Resistance
Rating
Range*
0.125W 10m-19m
20m- 100m
0.5W
10m-19m
20m- 100m
1.0W
7m-100m
15m- 100m
chARActERiSticS
Rated Cont.
√(P*R) or Max. Operating
Working Volts
voltage whichever is
lower
Derating
100% @ 70°C, Derates
Linearly to Zero @ 155°C
(170°C for LVM25)
Operating
-55°C ~ +155°C
temp. range
(LVM25, -55°C ~ +170°C)
Storage
25° ±3°C C; Humidity
Temperature
< 80%RH
Derating
100
Percent Rated Power
80
60
40
20
0
0
LVM06
LVM12
20 40 60 80 100 120 140 160 180
Ambient Temperature,
°C
LVM25
Damp Heat
±(1.0%+0.05Ω)
with Load
(LVM06 & 12 only)
Dry Heat
±(0.5%+0.05Ω)
(1% for LVM25)
Bending
±(1.0%+0.05Ω)
Strength
Solderability
95% min. coverage
Resistance
±(0.5%+0.05Ω)
to Soldering
(LVM06 & 12 only)
Heat
Voltage Proof
No breakdown or
flashover
(LVM06 & 12 only)
Leaching
Individual leach-
ing area ≤5%, Total
leaching area ≤10%
(LVM06 & 12 only)
Rapid Change
±(0.5%+0.05Ω)
of Temp.
1% for LVM25
JIS-C-5201-1 4.18, IEC-60115-1 4.18, -55°C to
+155°C, 5 cycles
10
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LVM Series
Soldering condition
IR Reflow Soldering
Temp. (°C)
245°
220°
180°
150°
Pre-heating
90 ~ 120 sec.
Max.
20 sec.
Max.
60 sec.
Peak: 265°C
260°C / 10 sec.
Heat-up rate ~ 3K/sec.
Current Sensing Metal Chip Resistor
chARActERiSticS
Wave Soldering (Flow Soldering)
Temp. (°C)
265°
235°
Cooling rate
~ 6K/sec.
First wave
150°
100°
~2K/sec.
Time (sec.)
Number of reflow cycles allowed: 2
Time (sec.)
~200K/sec.
~5K/sec.
Typical values
Process limits
260°C / 10 sec.
LVM06 and LVM12 only
Second wave
~2K/sec.
Number of reflow cycles allowed: 3
(1) Time of IR reflow soldering at maximum temperature point 260°C, 10 sec.
(2) Time of wave soldering at maximum temperature point 260°C, 10 sec.
(3) Time of soldering iron at maximum temperature point 410°C, 5 sec.
diMEnSionS
(mm)
Series
Size Res. mΩ
L
W
T
A
B
L
W
A
T
B
Land Pattern
A
B
C
0.9
0.9
0.40 1.20
0.70 1.05
LVM12 1206 10-29 3.05 ±.15 1.55 ±.15 0.58 ±.15 0.50 ±.25 0.90 ±.25
30-100 3.05 ±.15 1.55 ±.15 0.55 ±.15 0.50 ±.25 0.60 ±.25
LVM25 2512 7-100 6.40 ±.25 3.20 ±.25 0.70 ±.20 0.90 ±.30 0.90 ±.30
LVM06 0603 10-29 1.55 ±.10 0.85 ±.10 0.40 ±.10 0.30 ±.15 0.45 ±.15
30-100 1.55 ±.10 0.85 ±.10 0.40 ±.10 0.30 ±.15 0.35 ±.15
B
C
A
4.00 2.00 3.50
0.9 1.70 1.70
1.50 1.40 1.70
R E E L S p E c i F i c At i o n S
(mm)
Tape
Paper
tape
Top
tape
Embossed
tape
Top
tape
B
T
0
LVM06
LVM12
Series
A
Reel
Series
øA
øB
60.0+1.0
60.0+1.0
øC
13.5±0.7
13.5±0.7
W
9.5±0.1
9.5±0.1
T
Qty.
D
0
P
1
P
0
E
F
W
0
LVM25 178.0±1.5
LVM12 178.0±1.0
LVM06 178.0±1.0
60.0+1.0
13.0±0.5 13.0-±1.0 15.5±0.5 4,000
11.5±1.0 5,000
11.5±1.0 5,000
øA
T
0
LVM25
B
W0
Direction of feed
E
P
2
A
ø1.4mm min.
(plastic tape only)
P0
P1
P2
øD0
T0
F
øB
LVM06 1.10±0.10 1.90±0.10
LVM12 1.90±0.10 3.50±0.20
8.0±0.20
LVM25 3.50±0.10 6.70±0.10 12.0±0.30 1.75±0.10
8.0±0.20
1.75±0.10 3.50±0.05 4.00±0.10 4.00±0.05
5.5±0.05
1.75±0.10 3.50±0.05 4.00±0.10 4.00±0.05
2.00±0.05 1.50+0.1,-0 0.70±0.10
2.00±0.05 1.50+0.1,-0 1.20 max.
4.00±0.10 4.00±0.10
2.00±0.05 1.50+0.1,-0 0.85±0.10
øC
W
T
o R d E R i n g i n F o R M At i o n
Not all TCR’s available in all resistance values. Please see characteristics chart above.
TCR
Z= 75ppm
V= 50ppm
T= 100ppm
Standard Part Numbers
RoHS Compliant
LVM06FTR050E-TR
Series
Case Size
06 = 0603
12 = 1206
25 = 2512
Tolerance
D = 0.5%
F = 1%
G = 2%
J = 5%
Ohms
R030 = 0.030
R100 = 0.100
Packaging
TR=Tape and reel
LVM06FTR010E-TR
LVM06FTR015E-TR
LVM06FTR025E-TR
LVM06FTR050E-TR
LVM06FTR100E-TR
LVM12FTR010E-TR
LVM12FTR015E-TR
LVM12FTR025E-TR
LVM12FTR050E-TR
LVM12FTR100E-TR
LVM25FZR010E-TR
LVM25FVR015E-TR
LVM25FVR020E-TR
LVM25FVR025E-TR
LVM25FVR030E-TR
LVM25FVR050E-TR
LVM25FVR100E-TR
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11
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