23.1
Shape and Size : (Dimensions in mm)
Features : Ordering Information :
．Clip Plated Type, Low Profile. SMT BW105 S - 1R8 M
．Low DCR (1) (2) (3) (4)
．High power, High saturation inductors. (1)Type :Surface Mountable Type .
．Ideal inductors for DC-DC co nversion. (2)Style :Flat wire with ER Core and S or H is used for a big
．Available on tape and reel for auto surface current type instead of BW105
mounting. (3)Inductance : 1R8 for 1.8 uH.
(4)Inductance tolerance :
"N":±30% "M": ±20%;
Inductance and rated current ranges : Characteristics :
．SMTBW104L 0.36～4.3uH 18.0～5.0A ． Rated DC Current: It is either the induct ance is 20%(“N” is
．SMTBW104S 0.22～2.5uH 18.0～5.0A 30%) lower than its initial value in D.C. saturation
．SMTBW105L 0.36～8.8uH 19.0～4.8A characteristics or temperature raise becomes △T=40℃
．SMTBW105S 0.22～5.0uH 19.0～4.9A (Ta=20℃), whichever is lower.
．SMTBW105H 0.15～3.0uH 19.0～4.9A ．Operating temperature: -40℃ to 105℃
．Test equipments: Applications:
L : Agilent 4284A LCR meter @100KHz ,1V ．Notebook /Desktop/server applications
DCR : Milli-ohm meter. ．Battery Power equipment
Electrical specifications at 25℃. ．DC/DC converters,
．Power supplier, etc
SMT FLAT WIRE COILS
SMTBW 104/105 TYPE
23.2
L DC Resistance Rate DC Current
Part No. ( mOHM )Max. ( Amp )Max.
(μH) 104L 104S 105L 105S 105H 104L 104S 105L 105S 105H
R15 0.15 1.7 19.0
R22 0.22 2.2 1.7 18.0 19.0
R30 0.30 2.4 17.7
R36 0.36 2.2 1.7 18.0 19.0
R45 0.45 3.7 2.4 13.4 17.7
R50 0.5 4.1 13.0
R80 0.8 3.7 5.9 2.4 4.1 5.3 13.4 10.2 16.0 13.0 11.2
1R2 1.2 7.5 9.0
1R3 1.3 11.8 5.3 7.3 11.2
1R4 1.4 5.9 4.1 10.2 12.0
1R5 1.5 10.5 7.8
1R8 1.8 18.6 7.5 5.4 9.0
2R0 2.0 12.4 7.4
2R2 2.2 11.8 5.3 7.3 9.6
2R5 2.5 21.8 10.5 5.0 7.8
3R0 3.0 23.8 4.9
3R2 3.2 18.6 7.5 12.4 5.4 7.8 7.4
4R0 4.0 18.0 6.2
4R3 4.3 21.8 10.5 5.0 6.8
5R0 5.0 23.8 4.9
5R7 5.7 12.4 5.8
7R2 7.2 18.0 5.3
8R8 8.8 23.8 4.8
．Note:
．Measuring Frequency :
100KHz , 1V
．Tolerance of Inductance :
SMTBW104L 0.36uH ± 30%(N) ; 0.8uH-4.3uH ± 20% (M).
SMTBW104S 0.22uH ± 30%(N) ; 0.45uH-2.5uH ± 20%(M).
SMTBW105L 0.36uH ± 30%(N) ; 0.8uH-8.8uH ± 20%(M).
SMTBW105S 0.22uH ± 30%(N) ; 0.45uH-5.0uH ± 20%(M).
SMTBW105H 0.15uH , 0.3± 30%(N) ; 0.5uH-3.0uH ± 20%(M).
SMT FLAT WIRE COILS
SMTBW 104/105 TYPE
23.3
Shape and Size : (Dimensions in mm)
Features : Ordering Information :
．Clip Plated Type, Low Profile. SMT BW125 U - 1R8 M
．Low DCR (1) (2) (3) (4)
．High power, High saturation inductors. (1)Type : Surface Mountable Type .
．Ideal inductors for DC-DC co nversion. (2)Style : Flat wire with ER Core and H or U is used for a big
．Available on tape and reel for auto surface current type instead of BW125
mounting. (3)Inductance : 1R8 for 1.8 uH.
(4)Inductance tolerance :
"N":±30% "M": ±20%;
Inductance and rated current ranges : Characteristics :
．SMTBW125 1.5～10.0uH 14.0～5.0A ． Rated DC Current: It is either the inductance is 20%(“N” is 30%)
．SMTBW125H 1.0～7.2uH 16.5～7.6A lower than its initial value in D.C. saturation characteristics or
．SMTBW125U 0.35～5.6uH 18.5～7.6A temperature raise becomes △T=40℃ (Ta=20℃), whichever is
．SMTBW134 0.4～8.0uH 18.5～6.5A lower.
．SMTBW134H 0.3～6.0uH 18.5～6.5A ．Operating temperature:-40℃ to 105℃
．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,
．Power supplier, etc
SMT FLAT WIRE COILS
SMTBW125/134 TYPE
23.4
L DC Resistance Rate DC Current
Part No. ( mOHM )Max. ( Amp )Max.
(μH) 125 125H 125U 134 134H 125 125H 125U 134 134H
R30 0.3 1.90 18.5
R35 0.35 1.8 18.5
R40 0.4 1.9 18.5
R66 0.66 2.5 17.0
R80 0.8 2.5 16.5
R90 0.9 2.5 17.0
1R0 1.0 2.5 16.5
1R2 1.2 3.7 15.0
1R4 1.4 3.4 15.5
1R5 1.5 2.5 14.0
1R6 1.6 3.7 15.0
1R8 1.8 3.4 6.6 15.3 10.5
2R2 2.2 5.4 12.5
2R5 2.5 3.4 6.6 10.0 10.5
2R7 2.7 10.8 8.0
2R8 2.8 5.4 12.3
3R2 3.2 8.0 9.9
3R6 3.6 10.8 12.0 8.0 7.5
4R0 4.0 8.0 8.0 8.3 9.9
4R3 4.3 11.4 8.2
4R8 4.8 12.0 16.3 7.5 7.0
5R6 5.6 11.4 13.5 8.2 7.6
6R0 6.0 8.0 18.4 6.7 6.5
6R4 6.4 16.3 7.0
7R2 7.2 13.5 7.6
8R0 8.0 18.4 6.5
8R2 8.2 11.4 5.8
100 10.0 13.5 5.0
．Note
．Measuring Frequency : 100KHZ , 100mV
．Tolerance of Inductance :
SMTBW125 ± 20%(M); SMTBW125(H) ±20% (M)
SMTBW125U 0.35uH,0.8uH ±30% (N) ; 1.4uH-5.6uH± 20%(M)
SMTBW134 0.4uH±30% (N); 0.9uH-8.0uH± 20%(M)
SMTBW134H 0.3uH,0.66uH ±30% (N); 1.2uH-6.0uH± 20%(M)
SMT FLAT WIRE COILS
SMTBW125/134 TYPE