• Operating temperature: -40°C to +125°C (range is application
specific). Temperature rise is approximately 40°C at rated rms
current.
• Solder reflow temperature: 260°C max. for 10 seconds max.
Packaging
• Supplied in tape and reel packaging, LD1 (2,000),
LD2 (1,000) parts per reel
Description
• Metalized drum core design utilizes board space
• Current Range from 4.46 amps to 0.52 amps
• Inductance range from 1.0µH to 470µH
• Ferrite core material
Part
Number
LD1-1R0-R
LD1-1R4-R
LD1-1R8-R
LD1-2R2-R
LD1-2R7-R
LD1-3R3-R
LD1-3R9-R
LD1-4R7-R
LD1-5R6-R
LD1-6R8-R
LD1-8R2-R
LD1-100-R
LD1-120-R
LD1-150-R
LD1-180-R
LD1-220-R
LD1-270-R
LD1-330-R
LD1-390-R
LD1-470-R
LD1-560-R
LD1-680-R
Rated
Inductance
(µH)
1.0
1.4
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
OCL
(1)
Nominal
1.00
1.40
1.80
2.20
2.70
3.30
3.90
4.70
5.60
6.80
8.20
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
Irms
(2)
Amps
2.66
2.47
2.35
2.22
2.11
2.00
1.75
1.57
1.51
1.41
1.32
1.13
1.05
0.99
0.83
0.78
0.67
0.66
0.63
0.52
0.50
0.46
Isat
(3)
Amps
4.46
3.41
3.05
2.76
2.52
2.32
2.14
2.00
1.75
1.56
1.41
1.28
1.18
1.05
0.98
0.89
0.87
0.75
0.68
0.61
0.57
0.52
DCR
(4)
(
Ω
)
(Max.)
0.0330
0.0380
0.0420
0.0470
0.0520
0.0580
0.0760
0.0940
0.1010
0.1170
0.1320
0.1820
0.2100
0.2350
0.3380
0.3780
0.5220
0.5400
0.5870
0.8440
0.9370
1.12
Notes:
1) Open Circuit Inductance Test Parameters: 100kHz, 0.25Vrms, 0.0Adc
+/-20% except for LD1-330-R to LD1-331-R and LD2-470-R to LD2-471-R which is +/-10%
2) RMS current for an approximate
∆T
of 40°C. It is recommended that the temperature of the
part not exceed 125°C
3) Peak current for an approximate 10% rolloff at 20°C
4) DCR limits @ 20°C
5) Part number definition: LDx-yyy-R
LDx = product code and size, -yyy = inductance value in µH,
R = decimal point. If no R is present, third character = # of zeros
-R suffix = RoHS compliant
1207
BU-SB07325
Page 1 of 3
Data Sheet 4310
Part
Number
LD1-820-R
LD1-101-R
LD1-151-R
LD1-221-R
LD1-331-R
LD2-100-R
LD2-120-R
LD2-150-R
LD2-180-R
LD2-220-R
LD2-270-R
LD2-330-R
LD2-390-R
LD2-470-R
LD2-560-R
LD2-680-R
LD2-820-R
LD2-101-R
LD2-121-R
LD2-151-R
LD2-181-R
LD2-221-R
LD2-271-R
LD2-331-R
LD2-391-R
LD2-471-R
Rated
Inductance
(µH)
82
100
150
220
330
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
OCL
(1)
Nominal
82
100
150
220
330
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82
100
120
150
180
220
270
330
390
470
Irms
(2)
Amps
0.43
0.36
0.29
0.26
0.22
3.83
3.57
3.38
3.19
3.13
2.81
2.70
2.42
2.25
1.96
1.88
1.63
1.53
1.43
1.23
1.15
1.00
0.94
0.83
0.78
0.74
Isat
(3)
Amps
0.50
0.45
0.40
0.33
0.30
3.45
3.20
2.85
2.60
2.45
2.10
2.01
1.85
1.64
1.50
1.35
1.28
1.15
1.09
0.95
0.87
0.79
0.73
0.64
0.58
0.55
DCR
(4)
(
Ω
)
(Max.)
1.28
1.72
2.68
3.42
4.70
0.0700
0.0800
0.0900
0.1000
0.1100
0.1200
0.1300
0.1600
0.1800
0.2400
0.2800
0.3700
0.4300
0.4700
0.6400
0.7100
0.9600
1.11
1.26
1.77
1.96
Notes:
1) Open Circuit Inductance Test Parameters: 100kHz, 0.25Vrms, 0.0Adc
+/-20% except for LD1-330-R to LD1-331-R and LD2-470-R to LD2-471-R which is +/-10%
2) RMS current for an approximate
∆T
of 40°C. It is recommended that the temperature of the
part not exceed 125°C
3) Peak current for an approximate 10% rolloff at 20°C
4) DCR limits @ 20°C
5) Part number definition: LDx-yyy-R
LDx = product code and size, -yyy = inductance value in µH,
R = decimal point. If no R is present, third character = # of zeros
-R suffix = RoHS compliant
Dimensions - mm
Top View
A
Recommended Pad Layout
Front View
B
Bottom View
H
Schematic
1
C
xxx
Marking
I
G
I
2
Component Side
Marking:
LD1: xxx=inductance value
per family chart
LD2: "C" logo
xxx=inductance value
Dimensions
LD1
LD2
A
+/-0.3
4.5
7.8
B
+/-0.3
4.0
7.0
C
+/-0.3
3.2
5.0
G
ref
1.5
2.0
H
ref
4.5
7.5
I
ref
1.75
3.0
1207
BU-SB07325
Page 2 of 3
Data Sheet 4310
Packaging Information
LD1 Series
Supplied in tape and reel packaging,
2000 parts per reel, 13" diameter reel.
8.0
12.0
ACTUAL SIZE
LD1
xxx
xxx
User Direction Feed
xxx
xxx
LD2 Series
Supplied in tape and reel packaging,
1000 parts per reel, 13" diameter reel.
12.0
16.0
ACTUAL SIZE
LD2
xxx
xxx
User Direction Feed
xxx
xxx
Inductance Characteristics
OCL vs Isat
LD1
100
90
80
70
100
90
80
70
OCL vs Isat
LD2
OCL (%)
60
50
40
30
20
10
0
0
10
20
30
40
50
60
70
80
90
100
110
120
OCL (%)
60
50
40
30
20
10
0
0
10
20
30
40
50
60
70
80
90
100
110
120
% of Isat
% of Isat
North America
Cooper Bussmann
1225 Broken Sound Parkway NW
Suite F
Boca Raton, FL 33487-3533
Tel: 1-561-998-4100
Fax: 1-561-241-6640
Toll Free: 1-888-414-2645
Cooper Bussmann
P.O. Box 14460
St. Louis, MO 63178-4460
Tel: 1-636-394-2877
Fax: 1-636-527-1607
Europe
Cooper Bussmann
Cooper (UK) Limited
Burton-on-the-Wolds
Leicestershire • LE12 5TH UK
Tel: +44 (0) 1509 882 737
Fax: +44 (0) 1509 882 786
Cooper Bussmann
Avda. Santa Eulalia, 290
08223
Terrassa, (Barcelona), Spain
Tel: +34 937 362 812
+34 937 362 813
Fax: +34 937 362 719
Asia Pacific
Cooper Bussmann
1 Jalan Kilang Timor
#06-01 Pacific Tech Centre
Singapore 159303
Tel: +65 278 6151
Fax: +65 270 4160
This bulletin is intended to present product design solutions and technical information that will help the end user with design applications. Cooper Bussmann reserves the right, without notice,
to change design or construction of any products and to discontinue or limit distribution of any products. Cooper Bussmann also reserves the right to change or update, without notice, any
technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
Life Support Policy: Cooper Bussmann does not authorize the use of any of its products for use in life support devices or systems without the express written approval of an officer of the
Company. Life support systems are devices which support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling,
can be reasonably expected to result in significant injury to the user.
I am determined to learn embedded systems, and I ordered a learning board the day before yesterday. Now that I have the board, I don't know how to use it in the most basic way and get started. I hope ...
I am using arm-linux-gcc-3.3.2 system fedora. The error is as follows: not recognized: failed to merge target specific data of file /usr/local/arm/3.3.2/lib/gcc-lib/arm-linux/ 3.3.2/libgcc.a(_udivdi3....
[color=#00ff][size=5]Event Details >> [/size][/color][size=5][url=https://www.eeworld.com.cn/huodong/201408_EXP430FR5969/]TI's First Low Power Design Competition - Play with MSP430 FRAM MCU! [/url][/s...
Data cards are essential image storage devices for digital cameras, but they also need to be bridged through various access devices to import image data into computers and then distribute them to the ...
I am making a full-screen preview application for the camera on a mobile phone. I need to have several icons on the full-screen preview window to control taking photos and recording videos. I don't kn...
My teacher asked me to draw an up-converter board...I didn't consider the external inductance of the VCO when I drew the first version. My senior brother suggested to use solder to adjust the size of ...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
The installation locations of DC-DC converters are relatively scattered. DC-DC converters can be found on the power board, main board, logic control board and other circuit boards of PDP color TVs....[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
