Surface Mount Type Custom Milliohm Resistors LR72
• The super low resistance (2mΩ - )is suitable to sense large current.
• All custom-made products.
• Easy soldering. Applicable for reflow soldering.
• An automatic mounting machine is applicable.
• Products with lead free termination meet EU-RoHS requirements.
2. Solder coat
| Type | Dimensions(mm) |
|---|---|
| a | |
| LR72A | 5.2±0.2 |
| LR72B | 3.0±0.2 |
| LR72C | 3.2±0.4 |
| LR | 72 | A | N | TE | 2L0 | J |
|---|---|---|---|---|---|---|
| Product Code |
Element Symbol |
Process Style |
Terminal Surface Material |
Taping | Nominal*3 Resistance |
Resistance Tolerance |
| 72：A, B, C-Style | A B C |
N：Non-presolder *1 D：SnAgCu * 2 |
TE：Taping | 3digits | J：±5% |
Contact us when you have control request for environmental hazardous material other than the substance specified by EU-RoHS.
For further information on taping, please refer to Common Specification.
*1 Only A and B styles are Non-presolder type.
*2 Onｌy C style is SnAgCu type.
*3
| Resistance Value(Ω) | 3digits |
|---|---|
| 2m to 8m | 2L0 to 8L0 |
| Type | Symbol | Power Rating *4 | Resistance Range(mΩ) *5 | Resistance Tolerance | T.C.R. (×10-6/K) | Rated Ambient Temp. | Operating Temp. Range |
|---|---|---|---|---|---|---|---|
| LR72A | 72 | 0.5W | 2 to 8 | J:±5% | ±100 | +70°C | -40°C to +180°C |
| LR72B | 72 | 0.25W | 3 to 5 | ||||
| LR72C | 72 | 1W | 2,3 | ±350 | +85°C | -40°C to +155°C |
*4 Rated power in case of glass epoxy resin (FR-4) is used for the substrate material.
*5 Plaese consult with us in advance about resistance value for custom-made products.
Other, shapes and resistances than the above are also available on request.
For resistors operated at an ambient temperature of 70°C or higher, a power rating shall be derated in accordance with the left derating curve.