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SEPIC/ZETA Transformers    SQR8042CA

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

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