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SMDR0402-1R5M 数据表(PDF) 1 Page - MERITEK ELECTRONICS CORPORATION

部件名 SMDR0402-1R5M
功能描述  Unshielded SMT Power Inductors
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制造商  MERITEK [MERITEK ELECTRONICS CORPORATION]
网页  http://www.meritekusa.com
标志 MERITEK - MERITEK ELECTRONICS CORPORATION

SMDR0402-1R5M 数据表(HTML) 1 Page - MERITEK ELECTRONICS CORPORATION

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1
MERITEK
Unshielded SMT Power Inductors
SMDR Series
SMDR 0402/0802/0804/0810/1206 TYPE
• I sat: The current when the inductance becomes 10%
lower than its initial value. (Ta = 20 ºC)
• I rms: The current when temperature of coil increases up
to Max.
T = 40 ºC (Ta = 20 ºC)
• Operating temperature: -40 to 85 ºC
CHARACTERISTICS
• High power, high saturation, low resistence
• Ideal inductors for DC-DC conversion in notebook
computer, PDAs, Step-up or step-down converters, flash
memory programmers, etc.
• SMDR0402 used ceramic base with gold-planting
• The others used LCP plastic base
FEATURES
SMDR0402..........1.0 ~ 1000 uH.............2.9 ~ 0.07A
SMDR0802..........10 ~ 1000 uH..............2.0 ~ 0.05A
SMDR0804..........1.0 ~ 1000 uH.............6.8 ~ 0.030A
SMDR0810..........10 ~ 1000 uH..............3.5 ~ 0.10A
SMDR1206..........1.0 ~ 1000 uH.............8.6 ~ 0.56A
INDUCTANCE AND RATED CURRENT RANGES
Test Equipments:
• L: Agilent 4284A LCR meter @ 100kHz 0.1V
• DC Resistance: Milli - ohm meter or equivalent
• SRF: Agilant 4291 B RF Impedance Analyzer
• Electrical specifications at 25 ºC
• Portable telephones
• Personable computers
• DC/DC converters, etc.
• Other various electronic appliances
APPLICATIONS
SMDR
Meritek Series
0802
Size (in mm)
Code
0402
0802
0804
0810
1206
See corresponded dimensions chart
Inductance (uH)
First two digits are significant figures
Third Digit denotes number of Zeros
470
-
Tolerance
Code
K
M
10%
20%
±
±
M
PART NUMBERING SYSTEM
(1) Type: Surface Mount
(2) Style: DR Core OD =8.5mm H=4.0mm
(3) Inductance: 470 for 47uH
(4) Inductance Tolerance: K :
±10%; M : ±20%
ORDERING INFORMATION
SM
DR0804
- 470
M
(1)
(2)
(3)
(4)
ITEM
A (MAX) B (MAX) C (MAX)
D
E
F
H
I
J
SMDR0402
6.60
4.45
2.82
4.32
1.27
1.02
3.56
1.40
4.06
SMDR0802
12.95
9.40
3.50
7.62
2.54
2.54
2.79
2.92
7.37
SMDR0804
12.95
9.40
5.21
7.62
2.54
2.54
2.79
2.92
7.37
SMDR0810
12.95
9.40
11.43
7.62
2.54
2.54
2.79
2.92
7.37
SMDR1206
18.54
15.24
7.11
12.70
2.54
2.54
2.79
2.92
12.45
Shape and Size: (Dimensions are in mm)


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