HM74-R85 [TTELEC]
High Frequency High Current Low Profile Surface Mount Inductors; 高频大电流超薄表面贴装电感器
| 型号： | HM74-R85 |
| 厂家： | 
TT Electronics |
| 描述： | High Frequency High Current Low Profile Surface Mount Inductors |
| 文件： | 总3页 (文件大小：49K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NEW PRODUCT
MODEL HM74 SERIES
High Frequency
High Current
Low Profile
Surface Mount Inductors
FEATURES AND BENEFITS
• Closed magnetic circuit for high density board assembly
• High performance, low loss ferrite core up to 5 MHz
• Low profile designed for machine placement
• Low DCR and high current up to 27 amps continuous
• Class F design is compatible with vapor phase and infrared reflow soldering
• Custom designs available
APPLICATIONS
• Laptop and notebook computers
• DC/DC converters in distributed power systems or VRM applications
• Inductor for general purpose use
ELECTRICAL / ENVIRONMENTAL
Operating Temperature Range
Storage Temperature Range
Ambient Temperature, Maximum
Insulation System
-25°C to +135°C
-40°C to +85°C
80°C
6
Class F, 155°C
Specifications subject to change without notice.
6-121
Model HM74 Series
SPECIFICATIONS
(1)
(2)
(3)
Inductance
Rated
DC
DC
Nominal
µH
DC Current
Amps
Resistance
Resistance
Part
mΩ
mΩ
Number
±±20
Max.
Typ.
HM74-R47
HM74-R85
HM74-1R4
HM74-2R1
HM74-3R0
HM74-4R0
HM74-5R1
HM74-6R3
0.47
0.85
1.40
2.10
3.00
4.00
5.10
6.30
26.0
19.0
14.5
12.5
8.0
7.5
7.0
6.5
1.1
2.1
3.6
0.9
1.8
3.0
3.7
9.9
11.4
12.9
14.3
4.4
11.9
13.7
15.5
17.2
Notes: (1) Inductance measured at 100kHz, 0.25V without DC current.
(2) Rated DC current is the approximate current at which inductance will be decreased by 20% from
its initial (zero DC) value or the DC current at which ∆T = 50°C, whichever is lower.
(3) DC resistance measured at 20°C.
ORDERING INFORMATION
HM74 1RO TR
Model Series
Packaging Option:
TB = Tubes (32 Units /Tube)
TR = Tape & 13" Reel (250 Units /Reel)
Inductance Code:
First two digits are significant.
Last digit denotes number of
trailing zeros. Values below
10µH "R" denotes decimal point.
6-122
Model HM74 Series
OUTLINE DIMENSIONS (Inch/mm)
Recommended
Solder Pad Layout
Top View
.583
Max.
14.8
.173
4.40
.622
Max.
15.8
.276
7.00
.449
11.40
.173
4.40
.197
Max.
5.0
.472
12.00
6
6-123
Model HM74 Series
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