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参数资料
| 型号： | HC7-3R9-R |
| 厂商： | Cooper Bussmann |
| 文件页数： | 1/2页 |
| 文件大小： | 0K |
| 描述： | INDUCTOR POWER HI CURR 3.9UH SMD |
| 标准包装： | 610 |
| 系列： | HC7 |
| 电感： | 3.9µH |
| 电流： | 10.4A |
| 电流 - 饱和： | 20A |
| 类型： | 铁粉芯 |
| 容差： | ±20% |
| 屏蔽： | 无屏蔽 |
| DC 电阻(DCR)： | 最大 7.9 毫欧 |
| 封装/外壳： | 0.543" L x 0.511" W x 0.216" H（13.80mm x 13.00mm x 5.50mm） |
| 安装类型： | 表面贴装 |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 155°C |
| 频率 - 测试： | 100kHz |
| 其它名称： | HC7-3R9 HC7-3R9-ND |
HC7 Series
HIGH CURRENT 7
Power Inductors
Description
? 155°C maximum total temperature operation
? Surface mount inductors designed for higher
speed switch mode applications requiring
lower inductance, low voltage and high current
? Design utilizes high temperature powder iron material
with a non-organic binder to eliminate thermal aging
? Inductance range from 0.22 uH to 4.81 uH
? Current range from 35.8 to 9.8 Amps
? Frequency range 1kHz to 500kHz
Applications
? Next generation microprocessors
? High current DC-DC converters
? VRM, multi-phase buck regulator
? PC, Workstations, Routers
? Telecom soft switches, Base Stations
RoHS
2002/95/EC
Packaging
? Supplied in tape and reel packaging, 610 parts per reel
Environmental Data
? Storage temperature range: -40°C to +155°C
? Operating ambient temperature range: -40°C to +155°C
(range is application specific)
? Solder reflow temperature: +260°C max. for 10 seconds
max.
Part
Number
HC7-R20-R
HC7-R47-R
HC7-1R0-R
HC7-1R5-R
HC7-2R2-R
HC7-3R9-R
HC7-4R7-R
Rated
Inductance
μH
.20
.47
1.0
1.5
2.2
3.9
4.7
OCL (1)
nominal
+/-20% μH
0.220
0.534
1.05
1.73
2.58
3.61
4.81
Irms (2)
Amperes
(Typ.)
35.80
23.40
20.30
14.20
13.00
10.40
9.80
Isat (3)
Amperes
15% rolloff
45.8
27.5
19.6
15.3
12.5
10.6
9.2
Isat (4)
Amperes
30% rolloff
86.5
51.9
37.1
28.8
23.6
20.0
17.3
DCR (m ? )
max. @
20°C
0.67
1.60
2.10
4.30
5.20
7.90
9.00
Volts (5)
μSec
(VμS)
2.27
3.83
5.36
6.90
8.40
10.0
12.6
1) Test Parameters: 100KHz, 1.0Vrms
2) Irms Amperes for approximately ? T of 40°C above 85°C ambient
3) Isat Amperes Peak for approximately 15% rolloff (@20°C)
4) Isat Amperes Peak for approximately 30% rolloff (@20°C)
5) Applied Volt-Time product (V-μS) across the inductor. This value represents the
applied V-μS at operating frequency necessary to generate additional core loss
which contributes to the 40°C temperature rise. De-rating of the Irms is required
to prevent excessive temperature rise. The 100% V-uS rating is equivalent to a
ripple current Ip-p of 20% of Isat (30% rolloff option).
It is recommended that the temperature of the part not exceed 155°C under worst
case operating conditions verified in the end application.
Units supplied in tape and reel packaging. 13" reels 610 parts per reel.
Carrier tape width = 24 mm. Meets EIA standard
Part number definition:
HC7-XXX-R
HC7 = Product code and size
XXX = Inductance value in uH.
R = Decimal point. If no R is present, third character = #of zeros
-R suffix indicates RoHS compliant
Mechanical Diagrams
FRONT VIEW
TOP VIEW
C
L
SIDE VIEW
HC7-XXX
Length
Max
Height
Max
3.0 ± 0.25
(2x)
Maximum Dimension
Part Number Height mm Length mm
wwllyy R
13.0
Max
5.10
± 0.40
2.60 max
HC7-R20-R
HC7-R47-R
HC7-1R0-R
HC7-1R5-R
6.0
5.5
5.5
5.5
14.25
13.8
13.8
13.8
RECOMMENDED PCB PAD LAYOUT
3.50 typ
2plcs
1
SCHEMATIC
HC7-2R2-R
HC7-3R9-R
5.5
5.5
13.8
13.8
HC7-4R7-R
5.5
13.8
3.50 typ
2plcs
Dimensions in Millimeters.
All dimensions I+/- 0.2 mm unless otherwise specified.
wwllyy = Date code R = Revision level
6.50 typ
2
All soldering surfaces are coplanar within 0.15 mm.
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