SEPIC/ZETA Transformers SQR1242C

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) ±30%		DC Saturation　Allowable Current (A)	Temperature Rise　Allowable Current (A)
Part Number	Inductance(µH)	④-③	②-①	DC Saturation　Allowable Current (A)	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

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