Delta Electronics STQ127 User Manual
SMT Power Inductor
STQ124R,STQ125R,STQ127R Type
Features
Low profile, SMD type.
Magnetically shielded, suitable for high density mounting.
High energy storage and low DCR.
Provided with embossed carrier tape packing.
Two windings ,ideal for notebook power source circuits, DC-DC
converters applications.
In addition to the standard versions shown here, custom inductors
are available to meet your exact requirements.
Mechanical Dimension : Unit :mm
¡Ó
H
12.2 0.3
7.6
12.2 0.3¡Ó
12.8
2.9
7.0
RECOMMENDED PAD
2.4
2.2
Electrical Characteristics :
PART NO.
STQ124R -5622 5.6 24.5 25 450 1 : 2.2 5.2 4.5
STQ124R -6822 6.8 28 33 470 1 : 2.2 4.7 4.5
STQ124R -8222 8.2 35 33 580 1 : 2.2 4.3 4.5
STQ124R -1022 10 45 36 590 1 : 2.2 4.0 4.5
STQ124R -1024 10 47 39 600 1 : 2.4 4.0 4.5
STQ124RA -6320 6.3 26.5 33 510 1 : 2.0 5.5 4.5
STQ124RA -8222 8.2 35 33 580 1 : 2.2 5.0 4.5
STQ1250R -4722 4.7 22.2 25 340 1 : 2.2 7.0 4.5
STQ1250R -1022 10 45 30 420 1 : 2.2 7.0 4.5
STQ125R -5622 5.6 26.5 20 220 1 : 2.2 5.3 6.0
STQ125R -6822 6.8 32 21 250 1 : 2.2 5.0 6.0
STQ125R -8220 8.2 32 22 260 1 : 2.0 4.7 6.0
STQ125R -8222 8.2 35 22 270 1 : 2.2 4.7 6.0
STQ125R -1014 10 21 27 182 1 : 1.4 4.3 6.0
STQ125R -1016 10 25 27 220 1 : 1.6 4.3 6.0
STQ125R -1022 10 45 27 300 1 : 2.2 4.3 6.0
STQ125R -1220 10 45 30 300 1 : 2.0 4.0 6.0
STQ125RA -5022 5.0 23.5 17 260 1 : 2.2 7.0 6.0
STQ125RA -8222 8.2 28 22 250 1 : 2.2 5.0 6.0
STQ125RA -1018 10 31.8 27 232 1 : 1.8 7.0 6.0
STQ125RA -7322 7.3 36.5 25 340 1 : 2.2 7.0 6.0
STQ127R -7622 7.6 38 22 300 1 : 2.2 7.0 8.0
STQ127R -1022 10 45 30 200 1 : 2.2 4.5 8.0
STQ127R -1042 10 178 30 660 1 : 4.2 4.5 8.0
STQ127RA -4722 4.7 15.2 11 220 1 : 2.2 10 8.0
STQ127RA -1022 10 45 30 200 1 : 2.2 7 8.0
Tolerance of inductance : 30%
IRATED : rated current L<25% , T< 45 at IRATED.
Operating temperature : -20 to 105 (including self-temperature rise)
Test condition at 25 : 1KHz, 1V
L1 L2 L1 L2
O
C
L (uH)
O
C
2.0
O
C
O
1.0
C
DCR ( m ) MAX
5.4
TURN RATIO
( L1 : L2 )
0.6
IRATED
(Adc)
DIMENSION "H"
mm (MAX)
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
252, SAN YING ROAD, KUEISAN INDUSTRIAL ZONE, TAOYUAN SHIEN, 333, TAIWAN, R.O.C.
TEL: 886-3-3591968; FAX: 886-3-3591991
http://www.deltaww.com
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