APLICACIONES AUTOMOTRICES
Resistor de precisión de película delgada 0.01%, TC2ppm, con cable de unión, anticorrosivo, MELF. Detección...
Lee masResistor de Chip de Tira de Metal de Ohm Ultra Bajo (Serie LR LR12FTWR007)
LR12FTWR007
resistores de metal
Resistor de tira de metal ultra baja resistencia para la detección de corrientes grandes, resistente a altas temperaturas. Baja TCR para una deriva de resistencia estable a través de altas temperaturas.
LR Series2512 ±1% 75 1W Series7mΩ
| Tamaño | Tolerancia | TCR (ppm /℃) | Potencia | Resistencia (Ohm) |
|---|---|---|---|---|
| 2512 | ±1% | 75 | 1W | 7m |
Especificaciones eléctricas de alta potencia
| Item Part No. | Power Rating at 70°C | Operating Temp. Range | Resistance Range (mΩ) | TCR (PPM/°C) | ||
|---|---|---|---|---|---|---|
| ±1% | ±3% | ±5% | ||||
| LR12□TDS□□□□ | 2W | -55 ~ +155°C | 0.5, 0.75, 1, 1.5, 2 | ±50 | ||
| LR12□TWS□□□□ | 2W | -55 ~ +155°C | 6, 6.5, 7 | ±75 | ||
| LR12□TES□□□□ | 2W | -55 ~ +155°C | 4, 5, 10 | ±100 | ||
| LR12□TKS□□□□ | 2W | -55 ~ +155°C | 2.5, 3 | ±150 | ||
Operating Current =√(P/R), Operating Voltage=√(P*R)
☑ Viking has the ability of manufacture following options based on customer's requirement..
Ejemplo de códigos de resistencia
Resistance (4Marking)
| Resistance | 1mΩ | 2mΩ | 7mΩ | 10mΩ |
|---|---|---|---|---|
| Codes | R001 | R002 | R007 | R010 |
Características Ambientales
| Item/th> | Requirement | Test Method |
|---|---|---|
| Temperature Coefficient of Resistance (T.C.R.) | As Spec. | MIL-STD-202 Method 304 +25~125°C, 25°C is the reference temperature |
| Short Time Overload | ±0.5% | JIS-C-5201-1 5.5 5*rated power for 5 seconds |
| ±1% | MIL-STD-202 Method 108A 70±2°C, RCWV for 1000 hrs with 1.5 hrs “ON” and 0.5 hr “OFF” | |
| Dry Heat | ±1% | JIS-C-5201-1 7.2 at +170°C for 1000 hrs |
| Solderability | 95% min. coverage | MIL-STD-202 Method 208H 245±5°C for 3 seconds |
| Resistance to Soldering Heat | ±0.5% | MIL-STD-202 Method 210E 260±5°C for 10 seconds |
| Thermal Shock | ±0.5% | MIL-STD-202 Method 107G -55°C ~ 150°C, 100 cycles |
RCWV(Rated Continuous Working Voltage)= √(P*R) or Max. Operating Voltage whichever is lower.
☑ Storage Temperature: 15~28°C; Humidity < 80%RH
Reflujo
☑ Green coating ”Reflow Air Convection ”is available
☑ Green coating can't be working with wave soldering bath
Medidas
1. LR12 4-wire precision measurement (Black Coating)
■ Equipment: ADEX AX-1152D DC Low Ohm Meter
■ Excitation Current: 3A (0.5mΩ~1.5 mΩ)
1A (2mΩ~10mΩ)
2. LR12 4-wire pad layout (recommended for precision current sensing)
■ Note: No circuits between pads to avoid short circuit
3. LR12 2-wire pad layout
■ Note: No circuits between pads to avoid short circuit
Embalaje
Embossed Plastic Tape Specifications
| Type | Resistance (mΩ) | A | B | W | E | F | P0 | P1 | P2 | ΦD0 | ΦD1 | T | Quantity (EA) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LR06 | 0.5 - 10 | 1.90±0.1 | 3.60±0.1 | 8.0±0.2 | 1.75±0.1 | 3.5±0.05 | 4.0±0.1 | 4.0±0.1 | 2.0±0.05 | 1.55±0.05 | 1.0min. | 0.87±0.1 | 2,000 |
| LR10 | 0.5 - 10 | 2.85±0.1 | 5.55±0.1 | 12.0±0.2 | 1.75±0.1 | 5.5±0.05 | 4.0±0.1 | 4.0±0.1 | 2.0±0.05 | 1.55±0.05 | 1.4min. | 0.85±0.1 | 2,000 |
| LR12 | 0.50 - 0.75 | 3.40±0.1 | 6.75±0.1 | 12.0±0.1 | 1.75±0.1 | 5.5±0.05 | 4.0±0.1 | 4.0±0.1 | 2.0±0.05 | 1.55±0.05 | 1.4min. | 1.45±0.2 | 2,000 |
| 1 - 10 | 0.81±0.1 |
- The cumulative tolerance of 10 sprockets hole pitch is ± 0.2mm.
- Carrier camber shall be not more than 1mm per 100mm through a length of 250mm.
- A & B measured 0.3mm from the bottom of the packet.
- T measured at a point on the inside bottom of the packet to the top surface of the carrier.
- Pocket position relative to sprocket hole is measured as the true position of the pocket and not the pocket hole.
Código
- R007
- Descarga de Archivos
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