Current Sense MELF Resistor SMD, Low ohmic value
The Current Sense MELF Resistor offers a power rating between 0.5W and 3W and resistance values ranging from 10m ohms to 511m ohms. It features an SMD (surface-mount device) structure that ensures superior solderability. This resistor excels in heat dissipation compared to chip resistors, making it particularly suitable for air cooling applications. Furthermore, its robust mechanical structure enables it to withstand vibrations and thermal shocks.
| Type | Body Length (L, mm) | Cap Diameter (D1, mm) | Body Diameter (D2, mm) | Soldering Spot (B, mm) | Net Weight Per 1000 pcs |
|---|---|---|---|---|---|
| 1/2W | 3.52 ± 0.15 | 1.35 ± 0.1 | D1 + 0.02/ -0.15 | 0.6 Min. | 17 grams |
| 1W | 5.90 ± 0.20 | 2.20 ± 0.1 | D1 + 0.02/ -0.2 | 1.0 Min. | 66 grams |
| 2W | 8.50 ± 0.50 | 3.00 ± 0.2 | D1 + 0.05/ -0.35 | 1.3 Min. | 186 grams |
| 3W | 10.50 ± 0.50 | 4.00 ± 0.5 | D1 + 0.05/ -0.45 | 1.6 Min. | 446 grams |
| Power Rating (at 70°C) | Up Grade Power Rating*** | Maximum Working Voltage | Maximum Overload Voltage | Minimum Resistance | Maximum Resistance | Resistance Tolerance | Available Resistance Values |
|---|---|---|---|---|---|---|---|
| 1/2W | 0.8W | √PR | 2.5√PR | 10Ω | 510Ω | ±1%~±5% | E - 24/E - 96 |
| 1W | 1.6W | √PR | 2.5√PR | 10Ω | 510Ω | ±1%~±5% | E - 24/E - 96 |
| 2W | - | √PR | 2.5√PR | 10Ω | 510Ω | ±1%~±5% | E - 24/E - 96 |
| 3W | - | √PR | 2.5√PR | 10Ω | 510Ω | ±1%~±5% | E - 24/E - 96 |
*Special sizes, values, and specifications not listed available on special order.
| Characteristics | Limits |
|---|---|
| Temperature Coefficient, PPM / °C* | ±50, ±100, ±200, ±300, ±600 |
| Operating Temperature Range, °C | -55 ~ +155 |
| Insulation Resistance, MΩ | >10⁴ |
| Failure Rate in Time, pcs / 10⁹ device hours | <1.5 |
| Tin Whisker (JESD201 Temperature Cycling & High Temp. / Humidity Storage), μm | <5 |
Not applicable to all resistance values. Please check with us regarding the PPM of specific resistance value(s).
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Current Sense MELF Resistor SMD, Low ohmic value
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Resistor Supplies - Jepsun Tech Corporation
+86755-29796190 +8615920026751 [email protected]
Huangjiazhongxin building Donghuan Road Longhua District SHENZHEN City, GUANGDONG Prov. CHINA 518000
