2
1
.
1
Shape and Size : (Dimensions in mm)
Features : Ordering Information :
．Compact, Low Profile and large current S M T ER122H - 1R2 M
．Low DCR (1) (2) (3) (4)
．High power, High saturation inductors. (1)Type : Surface Mountable Type .
．Ideal inductors for DC-DC conversion. (2)Style : ER Core and large current
．Available on tape and reel for auto surface (3)Inductance : 1R2 for 1.2 uH.
mounting. (4)Inductance tolerance :
"N":±30% "M": ±20%;
Inductance and rated current ranges : Characteristics :
．SMTER122 1.2~22.0uH 6.6~2.3A ． Rated DC Current: It is either the inductance is
．SMTER122H 0.7~15.0uH 6.6~2.3A 20%(“N” is 30%) lower than its initial value in D.C.
saturation characteristics or temperature raise becomes
△T=40℃ (Ta=20℃), whichever is lower.
．Operating temperature:-40℃ to 85℃
．Test equipments: Applications:
L : Agilent 4284A LCR meter @100KHz ,100mV ．Notebook /Desktop/server applications
DCR : Milli-ohm meter. ．Battery Power equipment
Electrical specifications at 25℃. ．DC/DC converters,
．Other various electronic appliances.
SHIELDED SMT POWER INDUCTORS
SMTER 122 TYPE
2
1
.
2
L DC Resistance Rated DC Curren
Part No. ( mOHM )Max. ( Amp )Max.
(μH) ER122 ER122H ER122 ER122H
R70 0.7 10.7 6.6
1R2 1.2 10.7 14.0 6.6 5.8
2R0 2.0 17.8 5.2
2R1 2.1 14.0 5.8
3R0 3.0 21.6 4.7
3R3 3.3 17.8 5.2
4R2 4.2 26.4 4.2
4R6 4.6 21.6 4.7
5R6 5.6 30.0 4.0
6R4 6.4 26.4 4.2
7R0 7.0 34.2 3.8
8R2 8.2 30.0 3.8
8R6 8.6 38.4 3.5
100 10.0 34.2 67.5 3.4 2.5
120 12.0 74.5 2.4
130 13.0 38.4 2.9
150 15.0 67.5 85.0 2.5 2.3
190 19.0 74.5 2.4
220 22.0 85.0 2.3
．Note:
．Measuring Frequency :
100KHZ , 100mV
．Tolerance of Inductance :
SMTER122 ± 20%(M)
SMTER122H ± 20%(M)
SHIELDED SMT POWER INDUCTORS
SMTER 122 TYPE
