SEPIC/ZETA用变压器 SQR1242C
特长
- 2合1结构的小型・高效率的SEPIC和ZETA变换器等上使用
- 闭磁路结构，大电流规格
- 4端子结构，提高了耐振动性和耐冲击性
- 符合AEC-Q200
- 工作温度范围：-40℃～+125℃（包含自身发热）
用途
- 音频＆映像 照相机
- 车载 汽车音响, 汽车导航, ECU, LED前灯
- 其他 各种电源, 工业机器
电气特性
| 型号 | 电感值(µH) | 直流电阻 (Ω) ±30% | 额定直流电流 (A) | 额定温度上升电流 (A) | ||
|---|---|---|---|---|---|---|
| ④-③ | ②-① | One winding | Series connection | |||
| SQR1242C-1R2N | 1.2 ± 30% | 0.008 | 0.009 | 12.5 | 4.85 | 3.75 |
| SQR1242C-2R0N | 2 ± 30% | 0.011 | 0.014 | 9.9 | 4.2 | 3.15 |
| SQR1242C-2R7N | 2.7 ± 30% | 0.014 | 0.018 | 8.05 | 3.65 | 2.8 |
| SQR1242C-3R9N | 3.9 ± 30% | 0.02 | 0.025 | 6.9 | 3.2 | 2.35 |
| SQR1242C-5R1N | 5.1 ± 30% | 0.025 | 0.031 | 6.1 | 2.75 | 2.1 |
| SQR1242C-6R8N | 6.8 ± 30% | 0.033 | 0.041 | 5.3 | 2.45 | 1.83 |
| SQR1242C-8R2N | 8.2 ± 30% | 0.041 | 0.052 | 4.8 | 2.15 | 1.6 |
| SQR1242C-100M | 10 ± 20% | 0.052 | 0.064 | 4.25 | 2 | 1.48 |
| SQR1242C-120M | 12 ± 20% | 0.058 | 0.072 | 4.05 | 1.8 | 1.35 |
| SQR1242C-150M | 15 ± 20% | 0.079 | 0.1 | 3.4 | 1.55 | 1.18 |
| SQR1242C-180M | 18 ± 20% | 0.09 | 0.11 | 3.1 | 1.45 | 1.1 |
| SQR1242C-220M | 22 ± 20% | 0.1 | 0.13 | 2.95 | 1.35 | 1.03 |
| SQR1242C-270M | 27 ± 20% | 0.13 | 0.16 | 2.5 | 1.2 | 0.9 |
| SQR1242C-330M | 33 ± 20% | 0.16 | 0.2 | 2.25 | 1.05 | 0.8 |
| SQR1242C-390M | 39 ± 20% | 0.19 | 0.24 | 2.1 | 0.95 | 0.73 |
| SQR1242C-470M | 47 ± 20% | 0.22 | 0.28 | 1.9 | 0.85 | 0.65 |
| SQR1242C-560M | 56 ± 20% | 0.28 | 0.35 | 1.8 | 0.8 | 0.6 |
| SQR1242C-680M | 68 ± 20% | 0.33 | 0.42 | 1.6 | 0.73 | 0.55 |
| SQR1242C-820M | 82 ± 20% | 0.41 | 0.51 | 1.53 | 0.65 | 0.49 |
| SQR1242C-101M | 100 ± 20% | 0.51 | 0.64 | 1.33 | 0.6 | 0.44 |
| SQR1242C-121M | 120 ± 20% | 0.61 | 0.74 | 1.2 | 0.55 | 0.4 |
- 电感量测试条件:100kHz,1V
- 直流饱和容许电流:电感值下降至初始值的30%以内的电流值
- 温度上升容许电流:磁芯表面温度上升至40℃以下的电流值
电流特性图
直流电阻特性
温度上升特性
