Current Sense. LVT12 Datasheet

LVT12 Sense. Datasheet pdf. Equivalent


OHMITE LVT12
LVT Series
Low Value Current Sense
The Ohmite LVT series is s metal alloy strip resistor providing
good TCR ratings. Low value stability is important when using
a current sense resistor. The LVT offers TCR ratings down to
50ppm with tolerances down to 1%. The LVT series provides
a resistance range from 2m to 20m ohms. TCR stability with
tight tolerances and wide resistance range makes the LVT series
suited for most current sense applications.
Series Specifications
Pkg.
Series
Size
Power Resistance
Rating
Range
(W @70°C) (mΩ)
TCR
(ppm/°C)
LVT04 0402
0.33W
LVT06 0603
0.33W
LVT08 0805
0.5W
2.5
3 ~ 4
5 ~ 20
2
3 ~ 4
5 ~ 20
2
3
4
5 ~ 10
11 ~ 20
±150
±150
±100
±150
±150
±100
±100
±100
±75
±75
±50
LVT12 1206
1.0W
2
3
4
5 ~ 10
11 ~ 20
±100
±100
±75
±75
±50
Tolerance
±3% (H)
±2% (G)
±1% (F)
±3% (H)
±2% (G)
±1% (F)
±3% (H)
±2% (G)
±2% (G)
±1% (F)
±1% (F)
±3% (H)
±2% (G)
±2% (G)
±1% (F)
±1% (F)
c h a r a c t e r i st i c s
Res. Range 0.002- 0.020 dependent on size and TCR value
Operating Temp. Range -55℃ ~ 155℃
Rated Ambient Temperature +70°C
Resistance Tolerance 3%, 2% and 1% based on resistance value
Temperature Coefficient ±150, 100, 75, or 50 ppm based on resistance
Coating Material epoxy resin
Terminals 100% matte tin
Storage conditions 2 years airtight, +10℃ ~ 40℃, relative humid-
ity ≤75%. Without dew, +10℃ ~ 60℃, relative
humidity 95%, maximum value for 30 days.
Construction
Epoxy substrate
Epoxy adhesive
Cu-alloy resistor
Protective coating:
flame-retardant epoxy,
meets UL- 94-V0 requirements
Electrode (Cu+Ni+Sn)
Epoxy resin marking
Cu
Ni
Sn
Derating
Power rating is based on continuous
full load operation at rated ambient
temperature of 70ºC. For resistors
operated at ambient temp. in excess
of 70 ºC, the max. load shall be der-
ated in accordance with the following
curve.
100
80 -55°
70°
60
40
20 155°
0
-60 -20 20 60 100 140 180
Ambient Temperature (°C)
12 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com


LVT12 Datasheet
Recommendation LVT12 Datasheet
Part LVT12
Description Low Value Current Sense
Feature LVT12; LVT Series Low Value Current Sense The Ohmite LVT series is s metal alloy strip resistor providing .
Manufacture OHMITE
Datasheet
Download LVT12 Datasheet




OHMITE LVT12
LVT Series
Low Value Current Sense
p e r f o r m a n c e c h a r a c t e r i st i c s
Parameter Condition
Short Time Overload 2.5Pr; 5±2ºC, 5sec.
High Temp. Exposure +155±2ºC, 1000h
Low Temp. Storage -55±2ºC, 1000h
Moisture Load Life 60°C, 95% RH; Vtest = Vmax; 60±2ºC;
RH=95%; 90min ON, 30min OFF, 1000h
Thermal Shock -55ºC 30min., R.T. 3min.. +155ºC 30min.,
R.T. 3min, 100 Cycles
Load Life at 70ºC Vtest = Vmax; 70±2ºC; 90min ON, 30min
OFF, 1000h
Solderability Dip into solder at 245 ±5ºC, 3±0.5sec.,
Resistance to Solder Heat Through Reflow, 275 ±5ºC, 20 ±1sec.
Mechanical Shock 100G, 11ms, 5x
Substrate Bending Span between fulcrums; 90mm; Bend
Width 2mm; Test board Glass-Epoxy
Board; Thickness 1.6mm
Requirement
±(1.0%+0.5mΩ);
IEC60115-1 4.13
±(1.0%+0.5mΩ);
IEC60115-1 4.25
±(1.0%+0.5mΩ);
IEC60115-1 4.25
±(2.0%+0.5mΩ);
IEC60115-1 4.25
±(1.0%+0.5mΩ);
IEC60115-1 4.19
±(2.0%+0.5mΩ);
IEC60115-1 4.25
covered area 95%;
IEC60115-1 4.17
±(1.0%+0.5mΩ);
IEC60115-1 4.18
±(1.0%+0.5mΩ);
IEC60115-1 4.21
±(1.0%+0.5mΩ);
IEC60115-1 4.33
Wave
soldering
Reflow
300
Soldering 10 sec.
250
Preheating
200 200K/s
150
-5K/s
-3.5K/s
-2K/s
Cooling
100
50
0
2K/s
50 100 150 200 250
Time (sec.)
Preheating : 100°C ~ 130°C, max.100 sec.
Soldering: 250°C ~ 265°C max. 10 sec.
Maximum temperature : 260°C ±5, max. 10 sec.
300
250
Preheating
200
Soldering
Cooling
150
100
50
0
30 ~ 90
10~20
Time (sec.)
120
Preheating : 145°C ±15, max.120 sec.
Soldering : min. 220°C, max. 60 sec.
Maximum temperature : 260°C ±5, max. 10 sec.
Rework temperature
(hot air equipment) 350℃, 3 ~ 5 seconds
Recommended reflow methods
IR, vapor phase oven, or hot air oven. If
reflow temperatures exceed the recom-
mended profile, devices may not meet the
performance requirements.
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
13



OHMITE LVT12
LVT Series
Low Value Current Sense
(mm)
Solder pad
T
A
W
dimensions
Part
LVT04
LVT04
LVT06
LVT06
LVT06
LVT08
LVT08
LVT12
LVT12
LVT12
Res. Range
R0025~R004
R005~R020
R002
R003
R004~R020
R002
R003~R020
R002
R003
R004~R020
W
0.55 ±0.10
0.55 ±0.10
0.80 ±0.25
0.80 ±0.25
0.80 ±0.25
1.25 ±0.25
1.25 ±0.25
1.60 ±0.25
1.60 ±0.25
1.60 ±0.25
L
1.00 ±0.10
1.00 ±0.10
1.60 ±0.25
1.60 ±0.25
1.60 ±0.25
2.00 ±0.25
2.00 ±0.25
3.20 ±0.25
3.20 ±0.25
3.20 ±0.25
T
0.30 ±0.05
0.30 ±0.05
0.40 ±0.25
0.40 ±0.25
0.40 ±0.25
0.40 ±0.25
0.40 ±0.25
0.40 ±0.25
0.40 ±0.25
0.40 ±0.25
A
0.30 ±0.10
0.23 ±0.10
0.45 ±0.20
0.35 ±0.20
0.30 ±0.20
0.60 ±0.20
0.40 ±0.20
1.05 ±0.30
0.80 ±0.30
0.60 ±0.30
Part
Res. Range
LVT04 R0025~R020
LVT06
R002
LVT06 R003~R020
LVT08
R002
LVT08 R003~R020
LVT12
R002
LVT12 R003~R020
P
0.40mm
0.50mm
0.60mm
0.50mm
0.80mm
0.60mm
1.20mm
W
0.60mm
0.92mm
0.92mm
1.44mm
1.44mm
1.84mm
1.84mm
D
0.60mm
1.35mm
1.30mm
1.55mm
1.40mm
2.10mm
1.80mm
W
PD
(mm)
Tape
LVT04
4.00 ±0.10
2.00 ±0.10
B0
LVT06, 08 & 12
4.00 ±0.10
2.00 ±0.10
B0
tape and reel
Reel
1.50 ±0.10
T
1.75 ±0.10
3.50 ±0.10 8.00
±0.30
A0 P
Max. 0.1
0.40 ±0.05
1.50 ±0.10
T
1.75 ±0.10
3.50 ±0.10 8.00
±0.30
178mm
60mm
Part
LVT04
LVT06
LVT08
LVT12
Qty/reel
10,000
5,000
5,000
5,000
Weight (g)
100 ±30
110 ±30
120 ±30
140 ±30
9mm
Peeling strength
165°~180°
0.1-1.0N (10-100gf )
A0 P
Part
P
A0 B0
T
LVT04 2.00 ±0.10 0.75 ±0.20 1.25 ±0.20 0.50 ±0.05
LVT06 4.00 ±0.10 1.18 ±0.20 1.98 ±0.20 0.75 ±0.10
LVT08 4.00 ±0.10 1.55 ±0.20 2.30 ±0.20 0.75 ±0.20
LVT12 4.00 ±0.10 2.05 ±0.20 3.65 ±0.20 0.75 ±0.20
ORDERING INFORMA T ION
RoHS Compliant
Standard part numbers
LVT04R0025HER
Series
Case Size
04 = 0402
06 = 0603
08 = 0805
12 = 1206
Ohms
R005 = 0.005
Tolerance
D = 0.5%
F = 1%
G = 2%
H = 3%
Tape & Reel
LVT04R0025HER LVT06R0020HER LVT08R0020HER LVT12R0020HER
LVT04R0030GER LVT06R0030GER LVT08R0030GER LVT12R0030GER
LVT04R0050FER LVT06R0050FER LVT08R0050FER LVT12R0050FER
LVT04R0100FER LVT06R0100FER LVT08R0100FER LVT12R0100FER
LVT04R0150FER LVT06R0150FER LVT08R0150FER LVT12R0150FER
LVT04R0200FER LVT06R0200FER LVT08R0200FER LVT12R0200FER
rev 7/18-1
14 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com







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