Product Details
  • Series ID: 1394

LR: Ultra Low Ohm Chip Resistors

I. Features

  1. High Power rating to 3 Watts
  2. Low TCR down to 50PPM/℃
  3. Resistance values from 0.5 to 20 m ohm
  4. Customized resistance available
  5. Wide range package sizes1206/2010/2512
  6. RoHS compliant

II. Dimension and Construction

 

Type

Resistance value(m Ω)

Dimensions(mm) 

L

W

T

D
LR12T0M50G
0.50
6.350.254
3.180.35
0.600.20
2.6750.254
LR12T0M75G
0.75
6.350.254
3.180.35
0.600.20
2.4750.254
LR12TG
1.0-1.5
6.350.254
3.180.35
0.600.20
1.4250.254

LR12TG

2.0-3.0
6.350.254
3.180.35
0.600.20
1.1750.254
LR12TR004G
4.00
6.350.254
3.180.35
0.600.20
2.1750.254
LR12TG
5.0-6.0
6.350.254
3.180.35
0.600.20
1.9250.254
LR12TR007G
7.0
6.350.254
3.180.35
0.600.20
1.4250.254

LR12TG

8.0-20
6.350.254
3.180.35
0.600.20
1.1750.254
LR12T0M50
0.50
6.350.254
3.180.354
1.40.20
1.4250.377
LR12T0M75
0.75
6.350.254
3.180.254
1.00.20
1.4250.377
LR12TR001
1.00
6.350.254
3.180.254
0.800.20
1.4250.377
LR12T1M50
1.5
6.350.254
3.180.254
0.650.20
1.4250.377

LR12TR002

2.00
6.350.254
3.180.254
0.500.20
1.4250.377
LR12T2M50
2.50
6.350.254
3.180.254
1.000.20
1.4250.377
LR12TR003
3.00
6.350.254
3.180.254
0.700.20
1.4250.377
LR12TR004
4.00
6.350.254
3.180.254
0.600.20
1.4250.377

LR12TR005

5.00
6.350.254
3.180.254
0.500.20
1.4250.377
LR12TR006
6.00
6.350.254
3.180.254
0.500.20
1.4250.377
LR12T6M50
6.50
6.350.254
3.180.254
0.450.20
1.4250.377
LR12TR007
7.00
6.350.254
3.180.254
0.450.20
1.4250.377
LR10T
1.0-10
5.080.254
2.540.15
0.600.20
1.6650.625
LR06T
1.0-10
3.200.254
1.600.104
0.600.20
0.9800.380

Standard Electrical Specifications

Type

Power

Operatiing Temp Range

Tolerance (%)

Resistance(m Ω)

TCR(PPM/℃)
LR12TK
1W
-55℃~+170℃
1,3,5
2.5-3.0
150
LR12TE
1W
1,3,5
4.0-5.0
100
LR12TW
1W
1,3,5
6.0-7.0
75

LR12TDG

1W
1,3,5
11.0-20.0
50
LR06TD
1W
1,3,5
1.0-10.0
50
Operating current I =√ (P/R): Operating Voltage = √ (P*R)

High Power Rating Electrical Specification

Type

Power

Operatiing Temp Range

Tolerance (%)

Resistance(m Ω)

TCR(PPM/℃)
LR12TDS
2.0W
-55℃~+170℃
1,3,5
0.5-2.0
50
LR12TDSG
2.0W
1,3,5
7.0-10
50
LR12TDBG
2.5W
1,3,5
4.0-6.0
50

LR12TDRG

3.0W
1,3,5
1.0-3.0
50
LR12TERG
3.0W
1,3,5
0.5-0.75
100
LR10TDA
1.5W
1,3,5
1.0-10.0
50
Operating current I =√ (P/R): Operating Voltage = √ (P*R)


III. Characteristics

Item

Specification

Test methods

Black Coating
Green Coating

Temperature Cofficient of
Resistance

As Spec

MIL-STD-202F Method 304
+25/-55/+25/+125/+25℃

Short time overload

0.5%
1%

JIS5202-5.5
2.5 time RCWV for 5 seconds

Solderability

The area of soldering is over 95%

JIS5202-6.4
350C10C for 30.5 seconds

Thermal Shock
0.5%
1%
MIL-STD-202F Method 107G
-55℃-150℃, for 100cycles
Resistance to Dry Heat
1%
1%
MIL-STD-202F Method 210E
260℃5℃,101 Seconds
Resistance to Soldering Heat
0.5%
1%
MIL-STD-202F Method 210E
260℃5℃,101 Seconds

Load life

1%
1%

MIL-STD-202F Method 103A
70C at RCWV for 1000 hrs.
(1.5 hrs. on, 0.5 hrs. off)