SEPIC/ZETA Transformers SQR8042CA
AEC-Q200 2 in 1
Mag 
Features
- Small size and high efficiency are realized with the 2 in 1 structure, developed specifically for the SEPIC and ZETA converter.
- Magnetically shielded structure, high current.
- Four terminals structure for resisting to mechanical shock and vibration.
- AEC-Q200 compliant
- Operating temperature：-40℃～+125℃(The self-heating is included)
Applications
- AudioVisual Camera
- Automotive Car Audio, Car Navigation, ECU, LED Headlights
- Others Power Supply, FA
Electrical Characteristics
| Part Number | Inductance(µH) | DCR (Ω) max. | DC Saturation Allowable Current (A) | Temperature Rise Allowable Current (A) | ||
|---|---|---|---|---|---|---|
| ④-③ | ①-② | One winding | Series connection | |||
| SQR8042CA-1R3A | 1.3 ± 35% | 0.017 | 0.017 | 6.3 | 3.85 | 3.15 |
| SQR8042CA-1R8A | 1.8 ± 35% | 0.024 | 0.024 | 5.1 | 3.3 | 2.65 |
| SQR8042CA-2R4A | 2.4 ± 35% | 0.031 | 0.031 | 4.35 | 2.8 | 2.35 |
| SQR8042CA-3R3A | 3.3 ± 35% | 0.04 | 0.04 | 3.85 | 2.6 | 2.05 |
| SQR8042CA-3R9A | 3.9 ± 35% | 0.046 | 0.046 | 3.4 | 2.5 | 1.95 |
| SQR8042CA-5R1N | 5.1 ± 30% | 0.059 | 0.059 | 3.05 | 2.1 | 1.7 |
| SQR8042CA-6R2N | 6.2 ± 30% | 0.069 | 0.069 | 2.8 | 1.9 | 1.5 |
| SQR8042CA-6R8N | 6.8 ± 30% | 0.08 | 0.08 | 2.55 | 1.8 | 1.4 |
| SQR8042CA-8R2N | 8.2 ± 30% | 0.095 | 0.095 | 2.35 | 1.65 | 1.3 |
| SQR8042CA-100M | 10 ± 20% | 0.11 | 0.11 | 2.2 | 1.5 | 1.2 |
| SQR8042CA-120M | 12 ± 20% | 0.14 | 0.14 | 1.9 | 1.4 | 1.1 |
| SQR8042CA-150M | 15 ± 20% | 0.17 | 0.17 | 1.7 | 1.2 | 0.95 |
| SQR8042CA-180M | 18 ± 20% | 0.19 | 0.19 | 1.6 | 1.15 | 0.9 |
| SQR8042CA-220M | 22 ± 20% | 0.23 | 0.23 | 1.45 | 1.05 | 0.8 |
| SQR8042CA-270M | 27 ± 20% | 0.28 | 0.28 | 1.3 | 0.95 | 0.73 |
| SQR8042CA-330M | 33 ± 20% | 0.36 | 0.36 | 1.15 | 0.85 | 0.65 |
| SQR8042CA-390M | 39 ± 20% | 0.42 | 0.42 | 1.05 | 0.75 | 0.6 |
| SQR8042CA-470M | 47 ± 20% | 0.51 | 0.51 | 0.95 | 0.7 | 0.55 |
- Inductance Measuring Condition:100kHz,1V
- DC saturation allowable current:The current value which inductance decrease within 30% from the initial value
- Temperature rise allowable current:The rise in temperature of core surface is within 40℃
Current characteristic graph
Characteristics of DC Superposition
Characteristics of Temperature Rise
