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
6.35±0.254
3.18±0.35
0.60±0.20
2.675±0.254
LR12T0M75G
0.75
6.35±0.254
3.18±0.35
0.60±0.20
2.475±0.254
LR12TG
1.0-1.5
6.35±0.254
3.18±0.35
0.60±0.20
1.425±0.254

LR12TG

2.0-3.0
6.35±0.254
3.18±0.35
0.60±0.20
1.175±0.254
LR12TR004G
4.00
6.35±0.254
3.18±0.35
0.60±0.20
2.175±0.254
LR12TG
5.0-6.0
6.35±0.254
3.18±0.35
0.60±0.20
1.925±0.254
LR12TR007G
7.0
6.35±0.254
3.18±0.35
0.60±0.20
1.425±0.254

LR12TG

8.0-20
6.35±0.254
3.18±0.35
0.60±0.20
1.175±0.254
LR12T0M50
0.50
6.35±0.254
3.18±0.354
1.4±0.20
1.425±0.377
LR12T0M75
0.75
6.35±0.254
3.18±0.254
1.0±0.20
1.425±0.377
LR12TR001
1.00
6.35±0.254
3.18±0.254
0.80±0.20
1.425±0.377
LR12T1M50
1.5
6.35±0.254
3.18±0.254
0.65±0.20
1.425±0.377

LR12TR002

2.00
6.35±0.254
3.18±0.254
0.50±0.20
1.425±0.377
LR12T2M50
2.50
6.35±0.254
3.18±0.254
1.00±0.20
1.425±0.377
LR12TR003
3.00
6.35±0.254
3.18±0.254
0.70±0.20
1.425±0.377
LR12TR004
4.00
6.35±0.254
3.18±0.254
0.60±0.20
1.425±0.377

LR12TR005

5.00
6.35±0.254
3.18±0.254
0.50±0.20
1.425±0.377
LR12TR006
6.00
6.35±0.254
3.18±0.254
0.50±0.20
1.425±0.377
LR12T6M50
6.50
6.35±0.254
3.18±0.254
0.45±0.20
1.425±0.377
LR12TR007
7.00
6.35±0.254
3.18±0.254
0.45±0.20
1.425±0.377
LR10T
1.0-10
5.08±0.254
2.54±0.15
0.60±0.20
1.665±0.625
LR06T
1.0-10
3.20±0.254
1.60±0.104
0.60±0.20
0.980±0.380

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
350°C±10°C for 3±0.5 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℃,10±1 Seconds
Resistance to Soldering Heat
±0.5%
±1%
MIL-STD-202F Method 210E
260℃±5℃,10±1 Seconds

Load life

±1%
±1%

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