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參數(shù)資料
| 型號： | LPD4012-822MSC |
| 廠商： | COILCRAFT INC |
| 元件分類： | 通用定值電感 |
| 英文描述： | 2 ELEMENT, 8.2 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD |
| 封裝： | CHIP, 4040-12M |
| 文件頁數(shù)： | 1/3頁 |
| 文件大小： | 128K |
| 代理商： | LPD4012-822MSC |
Coilcraft, Inc. 2010
Specifications subject to change without notice.
Please check our website for latest information.
Document 580-1
Coupled Inductors–LPD4012
The LPD4012 coupled miniature shielded inductors are
only 1,1 mm high and 4 mm square. Their excellent
coupling coefficient (k
≥ 0.94) makes them ideal for use
in SEPIC applications. In SEPIC topologies, the re-
quired inductance for each winding in a coupled induc-
tor is half the value needed for two separate inductors,
allowing selection of a part with lower DCR and higher
current handling.
These inductors provide high efficiency and excellent
current handling in a rugged, low cost part.
They can also be used as two single inductors con-
nected in series or parallel, as a common mode choke
or as a 1 : 1 transformer.
For SEPIC and other
Applications
0.060
1,52
0.0433 ±0.004
1,10 ±0,10
Dash
number
Internal
code
Dot indicates pin 1
0.155 ±0.003
3,94 ±0,076
0.155 ±0.003
3,94 ±0,076
XXX X
14
23
Recommended
Land Pattern
0.174
4,40
0.103
2,606
0.103
2,606
0.049
1,24
0.049
1,24
0.174
4,40
0.031
0,78
45°
typ
1
4
2
3
Core material Ferrite
Core and winding loss See www.coilcraft.com/coupledloss
Weight 54 – 64 mg
Terminations RoHS compliant silver-palladium-platinum-glass frit.
Other terminations available at additional cost.
Ambient temperature –40°C to +85°C with
Irms current, +85°C to
+125°C with derated current
Storage temperature Component: –40°C to +125°C.
Packaging: –40°C to +80°C
Winding to winding isolation 100 V
Resistance to soldering heat Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging 1000/7
″reel; 3500/13″ reel Plastic tape: 12 mm wide,
0.25 mm thick, 8 mm pocket spacing, 1.32 mm pocket depth
Recommended pick and place nozzle OD: 4 mm; ID:
≤ 2 mm
PCB washing Only pure water or alcohol recommended
Document 580-1
Revised 08/02/10
2
1
4
3
L1
L2
L1
L2
Q1
C1
C2
+
++
––
D1
VOUT
VIN
Load
Typical SEPIC schematic
Refer to Application Note, Document 639,
“Selecting Coupled Inductors for SEPIC Applications.”
Visit http://www.coilcraft.com/apps/sepic/selector_2.cfm
for the Coilcraft on-line SEPIC Inductor Selector tool.
Dimensions are in
inches
mm
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| LPD4012-821NTC | 2 ELEMENT, 0.82 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LPD4012-823 | 制造商:Coilcraft Inc 功能描述:Power inductor, dual-wound, 20/30% tol, SMT, RoHS |
| LPD4012-823ML | 制造商:Coilcraft Inc 功能描述:Power inductor, dual-wound, 20/30% tol, SMT, RoHS |
| LPD4012-823MLB | 功能描述:耦合電感 Coupled Inductor 82 uH 20 % 0.31 A RoHS:否 制造商:Bourns 電感 - 并聯(lián):10 uH 電感 - 串聯(lián):40 uH 容差:20 % 最大直流電流:2.08 A 最大直流電阻:0.0826 Ohms 端接類型:SMD/SMT 工作溫度范圍:- 40 C to + 105 C 系列:SRF0703 類型:Dual-Winding Shielded Power Inductors |
| LPD4012-823MLC | 功能描述:耦合電感 Coupled Inductor 82 uH 20 % 0.31 A RoHS:否 制造商:Bourns 電感 - 并聯(lián):10 uH 電感 - 串聯(lián):40 uH 容差:20 % 最大直流電流:2.08 A 最大直流電阻:0.0826 Ohms 端接類型:SMD/SMT 工作溫度范圍:- 40 C to + 105 C 系列:SRF0703 類型:Dual-Winding Shielded Power Inductors |
| LPD401A | 制造商:Black Box Corporation 功能描述:CONVERTER, POE TO RS-232; Convert From:Power Over Ethernet; Convert To:RS-232 ;RoHS Compliant: Yes |
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