SEPIC/ZETA Transformers SQR1277CA

AEC-Q200 2 in 1 Mag

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)

Part Number	Inductance(µH)	DCR (Ω) max.		DC Saturation　Allowable Current (A)	Temperature Rise　Allowable Current (A)
Part Number	Inductance(µH)	④-③	①-②	DC Saturation　Allowable Current (A)	One winding	Series connection
SQR1277CA-2R2A	2.2 ± 35%	0.017	0.017	13.6	4.2	3.35
SQR1277CA-3R0A	3 ± 35%	0.021	0.021	11.2	3.85	3.1
SQR1277CA-3R9A	3.9 ± 35%	0.023	0.018	9.15	3.75	2.95
SQR1277CA-5R1A	5.1 ± 35%	0.027	0.021	8.35	3.4	2.75
SQR1277CA-6R8A	6.8 ± 35%	0.035	0.027	7.45	3.05	2.4
SQR1277CA-8R2N	8.2 ± 30%	0.039	0.03	7	2.9	2.25
SQR1277CA-100M	10 ± 20%	0.044	0.034	6.35	2.75	2.2
SQR1277CA-120M	12 ± 20%	0.052	0.04	5.85	2.45	1.95
SQR1277CA-150M	15 ± 20%	0.071	0.054	5.15	2.15	1.7
SQR1277CA-180M	18 ± 20%	0.083	0.064	4.8	2	1.55
SQR1277CA-220M	22 ± 20%	0.11	0.08	4.35	1.75	1.35
SQR1277CA-270M	27 ± 20%	0.12	0.091	3.85	1.6	1.25
SQR1277CA-330M	33 ± 20%	0.14	0.11	3.35	1.55	1.15
SQR1277CA-390M	39 ± 20%	0.18	0.14	3.05	1.35	1.03
SQR1277CA-470M	47 ± 20%	0.2	0.15	2.9	1.3	0.98
SQR1277CA-560M	56 ± 20%	0.25	0.19	2.7	1.15	0.87
SQR1277CA-680M	68 ± 20%	0.3	0.23	2.35	1.05	0.79
SQR1277CA-820M	82 ± 20%	0.035	0.27	2.1	0.96	0.72
SQR1277CA-101M	100 ± 20%	0.42	0.33	1.95	0.88	0.66
SQR1277CA-121M	120 ± 20%	0.51	0.39	1.8	0.8	0.6
SQR1277CA-151M	150 ± 20%	0.63	0.49	1.55	0.72	0.53
SQR1277CA-181M	180 ± 20%	0.75	0.58	1.45	0.68	0.49

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℃

Characteristics of DC Resistance

Characteristics of Temperature Rise