SDH2812-470-R COILTRONICS, SDH2812-470-R Datasheet
SDH2812-470-R
Manufacturer Part Number
SDH2812-470-R
Description
INDUCTOR POWER, 20UH, 7.8A, PCB
Manufacturer
COILTRONICS
Datasheet
1.SDH2812-100-R.pdf
(4 pages)
Specifications of SDH2812-470-R
Inductance Tolerance
± 20%
Dc Resistance Max
1.99ohm
Dc Current Rating
0.3Arms
Core Material
Ferrite
Inductor Case Style
SMD
No. Of Pins
2
Lead Spacing
1.54mm
Inductance
46.7µH
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SDH2812-470-R
Manufacturer:
COOPER
Quantity:
20 000
Low Profile, High Power, Shielded Drum Inductors
SDH2812 Series
Description
• Halogen Free
• 125°C maximum total temperature operation
• 3.2 x 3.0 x 1.2mm maximum shielded drum core
• Ferrite core material
• High power density, ultra-compact footprint
• Inductance range from 1.02μH to 97.7μH
• Current range from 0.217 to 1.95 Amps
• Magnetically shielded, low EMI
• RoHS compliant
1 Open Circuit Inductance (OCL) Test Parameters: 100kHz, 0.10V rms , 0.0Adc
2 I rms : DC current for an approximate temperature rise of 40°C without core loss. Derating is
3 I sat : Peak current for approximately 30% rolloff at +25°C.
1209
Part
Number
SDH2812-1R0-R
SDH2812-1R5-R
SDH2812-2R2-R
SDH2812-3R3-R
SDH2812-4R7-R
SDH2812-6R8-R
SDH2812-8R2-R
SDH2812-100-R
SDH2812-150-R
SDH2812-220-R
SDH2812-330-R
SDH2812-470-R
SDH2812-680-R
SDH2812-820-R
SDH2812-101-R
SMD Device
necessary for AC currents. PCB pad layout, trace thickness and width, air-flow and proximity of
other heat generating components will affect the temperature rise. It is recommended the part
temperature not exceed 125°C under worst case operating conditions verified in the end
application.
BU-SB091134
5
1.02±30%
1.50±30%
2.20±20%
3.20±20%
4.20±20%
6.60±20%
8.17±20%
9.67±20%
14.7±20%
21.6±20%
33.2±20%
46.7±20%
68.0±20%
82.2±20%
97.7±20%
OCL
(μH)
1
Part Marking
Designator
M
O
B
D
G
H
N
A
C
E
F
J
K
L
I
Product Specifications
(Amps)
0.900
0.730
0.660
0.620
0.500
0.440
0.350
0.300
0.270
0.230
0.217
I rms
1.45
1.33
1.26
1.08
2
4 K-factor: Used to determine B p-p for core loss (see graph). B p-p = K * L * ΔI. B p-p (Gauss),
5 Part Number Definition: SDH2812-xxx-R
I sat
Applications
•
•
•
•
•
•
•
• MP3 Players
Environmental Data
• Storage temperature range: -40°C to +125°C
• Operating temperature range: -40°C to +125°C
• Solder reflow temperature: J-STD-020D compliant
Packaging
• Supplied in tape and reel packaging, 4,500 parts per reel
K: (K-factor from table), L: (inductance in μH), ΔI (peak-to-peak ripple current in amps).
• SDH2812 = Product code and size
• xxx= Inductance value in μH, R = decimal point,
• “-R” suffix = RoHS compliant
If no R is present then 3
(Amps)
Buck or boost inductor
Cellular phones/ PDAs
LED Photo flash
LCD Displays
Handheld/Mobile devices
GPS Systems
Digital cameras
(ambient plus self-temperature rise)
13” diameter reel
1.000
0.830
0.780
0.710
0.570
0.460
0.380
0.320
0.270
0.240
0.218
3
Page 1 of 4
1.95
1.71
1.53
1.16
@ 25°C
DCR (Ω) @ 20°C
rd
digit equals number of zeros.
(Typical)
0.062
0.082
0.095
0.138
0.200
0.270
0.380
0.389
0.620
0.870
1.37
1.72
2.46
3.15
3.61
Data Sheet: 4354
HF
FREE
HALOGEN
DCR (Ω) @ 20°C
(Maximum)
0.083
0.102
0.114
0.154
0.224
0.336
0.417
0.467
0.721
0.922
1.43
1.99
2.70
3.47
3.97
Pb
K-factor
1212
1070
866
673
587
466
404
387
308
264
209
173
148
135
122
4
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SDH2812-470-R Summary of contents
Page 1
... SDH2812-100-R 9.67±20% SDH2812-150-R 14.7±20% SDH2812-220-R 21.6±20% SDH2812-330-R 33.2±20% SDH2812-470-R 46.7±20% SDH2812-680-R 68.0±20% SDH2812-820-R 82.2±20% SDH2812-101-R 97.7±20% 1 Open Circuit Inductance (OCL) Test Parameters: 100kHz, 0.10V rms , 0.0Adc 2 I rms : DC current for an approximate temperature rise of 40°C without core loss. Derating is necessary for AC currents ...
Page 2
Dimensions - mm Top V iew S ide V iew 2.8 ±0.2 3.0 ±0.2 Two-digit (2) Part Marking Digit indicates inductance value per “Part Marking Designator” column in Product Specifications table 2 nd Digit indicates bi-weekly production date ...
Page 3
Core Loss 10 1 0.1 0.01 0.001 0.0001 0.00001 100 Inductance Characteristics 100% 80% 60% 40% 20 20% 1209 BU-SB091134 1000 ...
Page 4
Solder Reflow Profile T P Max. Ramp Up Rate = 3°C/s Max. Ramp Down Rate = 6°C Preheat A T smax T smin t s 25°C Time 25°C to Peak Reference JDEC J-STD-020D Profile Feature Preheat and Soak ...