FSQ Series
FSQ Series - Fusible Wirewound Cement Resistors
FSQ Fusible Wirewound Cement Resistors, Flame Proof.
It is suitable for protecting circuit boards.
Small in size.
Noncombustible insulating coating. Solvent proof and resistant to high temperature.
Low T/C.
Unfirming in Fusing Time.
| TYPE | Rated wattage |
Dimension(mm) | Resistance Range(Ω)L |
Dielectric Withstanding VoltageD |
|||||
|---|---|---|---|---|---|---|---|---|---|
| D±1 | L±1.5 | H±0.5 | W±0.5 | C±3 | d±0.5 | ||||
| FKN | 1W | 4.0 | 9 | - | 28 | 28 | 0.65 | 0.1~20 | 350V |
| 2W | 5.0 | 11 | - | 28 | 28 | 0.8 | 0.1~100 | 500V | |
| 3W | 5.5 | 13 | - | 38 | 38 | 0.8 | 0.1~100 | 500V | |
| 5W | 6.5 | 19 | - | 38 | 38 | 0.8 | 0.1~200 | 500V | |
| FSQ | 2W | - | 18 | 7 | 23 | 23 | 0.65 | 0.1~10k | 1000V |
| 3W | - | 22 | 8 | 35 | 35 | 0.8 | 0.1~33K | 1000V | |
| 5W | - | 22 | 9 | 35 | 35 | 0.8 | 0.1~50K | 1000V | |
| 7W | - | 35 | 9 | 35 | 35 | 0.8 | 0.1~50K | 1000V | |
| 10W | - | 48 | 9 | 35 | 35 | 0.8 | 0.1~50K | 1000V | |
ELECTRICAL PERFORMANCE
| Test Items | Condition | Spec. | Test Method JIS-C-5202 |
|---|---|---|---|
| Fusing Characteristics | 16 times 0f rated wattage ，fusing time is within 60 sec. |
for relerence only | |
| Operating Temp. | -55°C~200.°C(FKN) -55°C~150°C(FSQ) |
- | - |
| Resistance Temp. Coff. | -30°C~150°C | 300ppm/°C | 5.2 |
| Short Time Overload | 2.5 times of rated voltage for 5 sec. |
2% | 5.5 |
| Insulation Resistance | 500Vmegger | 1,000mΩ | 5.6 |
| Temp.Cycie | -30°C~85°C for 5 cycles. | 1% | 7.4 |
| Load Life | 70°C on-off cycle 1,000hrs. | 5% | 7.10 |
| Moisture-proof Load Life |
40°C 95%RH on-off cycle 1,000hrs. |
5% | 7.9 |
| Resistance to Soldering Heat |
270°C±5/10 1sec | 1% | 6.4 |
| Nonflammablity | 16times of rated wattage for 5min. |
not flamed | 7.12 |
