BDR SERIES
UNSHIELDED SMT POWER INDUCTOR
Applications :
．Hand
phone of new generation.
．DSC,
DVC , PDA ,MP3, Hard disk drives products.
．DC
to DC converters, etc.
Shape and Dimensions (Dimensions are in mm) :
Item
BDR4D12
BDR4D15
A
4.6±0.3
4.6±0.3
B
1.3
1.3
C Max
1.2
1.5
D
3.2
3.2
E
0.7
0.7
F
0.6
0.6
Item
BDR4D12
BDR4D15
G
5.0
5.0
H
1.6
1.6
I
1.4
1.4
J
2.8
2.8
Features :
．Automatic
process.
．New
designed terminal for low cost.
．Low
profile and high current.
．Magnetically
unshielded construction.
．Ideal
for digital equipment and hand phone of new
generation.
．RoHS
compliant.
Product identification :
BDR4D12
–
470
(1)
(2)
M
(3)
(1) Type : Surface mountable type.
Style : Copper
Base
with
DR
core.
4D
is 4.6mm
square and
12
is about 1.2mm height.
(2) Inductance :
470
for
47
uH.
(4) Inductance tolerance :
M:
±
20%.
Characteristics :
．Saturation
Rated Current (Isat): The current when the
inductance becomes 30% lower than its initial value.
(Ta=20℃)
．Temperature
Rise Current (Irms): The current when
temperature of coil increases up to Max.
△
T=40℃
(Ta=20℃)
．Operating
temperature : -40℃ to 105℃.
Test equipments :
．Inductance
measured at 0Adc on HP 4284A LCR
meter or equivalent.
．DCR
measured on Chroma 16502 micro-ohmmeter
or equivalent.
．Electrical
specifications at 25℃.
Lasting. Leaning. Leading
3L Electronic Corp.
2.9
Web : http://www.3lcoil.com
l
BDR 4D12 series
Part
No.
Inductance Tolerance
L
(uH)
(±%)
1.0
1.8
2.2
3.3
4.7
5.6
6.8
8.2
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
Test
Freq
(0.1V)
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
I sat
DCR
(A) Max.
(mΩ)
Max. (Typ.)
△
L/L10%TYP.
△
L/L30%TYP.
66 (55)
90 (75)
108 (90)
138 (115)
192 (160)
210 (175)
240 (200)
288 (240)
384 (320)
432 (360)
492 (410)
720 (600)
768 (640)
1056 (880)
1224 (1020)
1476 (1230)
1700 (1420)
2.50
1.80
1.50
1.20
1.00
0.95
0.85
0.80
0.71
0.65
0.60
0.55
0.45
0.43
0.40
0.35
0.32
3.00
2.20
2.00
1.60
1.40
1.30
1.20
1.00
0.92
0.85
0.78
0.70
0.65
0.60
0.56
0.50
0.42
I rms
(A)
Max.
2.50
2.10
1.94
1.72
1.45
1.39
1.30
1.19
1.00
0.97
0.90
0.75
0.59
0.47
0.44
0.40
0.37
BDR4D12-1R0M
BDR4D12-1R8M
BDR4D12-2R2M
BDR4D12-3R3M
BDR4D12-4R7M
BDR4D12-5R6M
BDR4D12-6R8M
BDR4D12-8R2M
BDR4D12-100M
BDR4D12-120M
BDR4D12-150M
BDR4D12-180M
BDR4D12-220M
BDR4D12-270M
BDR4D12-330M
BDR4D12-390M
BDR4D12-470M
Typical performance curves :
Lasting. Leaning. Leading
3L Electronic Corp.
2.10
Web : http://www.3lcoil.com
l
BDR 4D15 series
Part
No.
Inductance Tolerance
L
(uH)
(±%)
1.2
1.5
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
Test
Freq
(0.1V)
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
I sat
DCR
(A) Max.
(mΩ)
Max. (Typ.)
△
L/L10%TYP.
△
L/L30%TYP.
78 (65)
96 (80)
108 (90)
120 (100)
138 (115)
156 (130)
174 (145)
204 (170)
222 (185)
264 (220)
306 (255)
396 (330)
450 (375)
564 (470)
660 (550)
912 (760)
1182 (985)
1380 (1150)
1730 (1440)
3.40
3.00
2.60
2.50
2.10
1.90
1.80
1.60
1.40
1.30
1.20
1.10
1.00
0.92
0.85
0.75
0.65
0.60
0.55
4.00
3.50
3.00
2.70
2.50
2.20
2.10
1.80
1.70
1.60
1.50
1.30
1.20
1.10
1.00
0.85
0.80
0.70
0.64
I rms
(A)
Max.
2.35
2.00
1.95
1.80
1.70
160
1.50
1.35
1.30
1.20
1.00
0.95
0.90
0.80
0.70
0.55
0.45
0.40
0.35
BDR4D15-1R2M
BDR4D15-1R5M
BDR4D15-2R2M
BDR4D15-2R7M
BDR4D15-3R3M
BDR4D15-3R9M
BDR4D15-4R7M
BDR4D15-5R6M
BDR4D15-6R8M
BDR4D15-8R2M
BDR4D15-100M
BDR4D15-120M
BDR4D15-150M
BDR4D15-180M
BDR4D15-220M
BDR4D15-270M
BDR4D15-330M
BDR4D15-390M
BDR4D15-470M
Typical performance curves :
* Due to the limited space, the catalogue shows the typical specifications only. For more specific details ( characteristics graph, reliability, and others),
kindly invite you to access 3L official website www.3lcoil.com for better known.
Lasting. Leaning. Leading
3L Electronic Corp.
2.11
Web : http://www.3lcoil.com
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