EEWORLDEEWORLDEEWORLD

Part Number

Search

CTH7F-3R9K

Description
1 ELEMENT, 3.9 uH, GENERAL PURPOSE INDUCTOR
CategoryPassive components    inductor   
File Size170KB,1 Pages
ManufacturerCT [ Central Technologies ]
Environmental Compliance
Download Datasheet Parametric View All

CTH7F-3R9K Overview

1 ELEMENT, 3.9 uH, GENERAL PURPOSE INDUCTOR

CTH7F-3R9K Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Reach Compliance Codecompli
ECCN codeEAR99
structureTubul
DC Resistance0.02 Ω
Nominal inductance(L)3.9 µH
Inductor ApplicationsPOWER INDUCTOR
Inductor typeGENERAL PURPOSE INDUCTOR
JESD-609 codee3
Lead diameter0.813 mm
Lead length23.9 mm
Manufacturer's serial numberCTH7F
Number of functions1
Number of terminals2
Maximum operating temperature125 °C
Minimum operating temperature-55 °C
Package diameter7.37 mm
Package length15.3 mm
Package formAxial
method of packingTR
Maximum rated current1.3 A
self resonant frequency38 MHz
seriesCTH7F SERIES
Shape/Size DescriptionTUBULAR PACKAGE
shieldNO
surface mountNO
Terminal surfaceMatte Tin (Sn)
Terminal locationAXIAL
Terminal shapeWIRE
Test frequency0.001 MHz
Tolerance10%
Base Number Matches1
Power Line Chokes - Axial
ctparts.com
CTH7F Series
From 3.9 µH to 18,000 µH
Part
Number
SPECIFICATIONS
Part numbers indicate tolerance available..
K = ±10%
Inductance
(µH)
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
1200
1500
1800
2200
2700
3300
3900
4700
5600
6800
8200
10000
12000
15000
18000
L Test
Freq.
(kHz)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
SRF
Min.
(MHz)
38
26
25
25
22
17
16
12
11
10
7.0
7.0
7.0
6.0
6.0
7.0
4.0
3.0
3.0
3.0
3.0
3.0
2.0
2.0
2.0
2.0
1.0
1.0
1.0
1.0
1.0
.85
.67
.65
.65
.60
.60
.50
.60
.40
.35
.30
.25
.23
.22
DCR
Max.
Ω
(Ω)
.02
.02
.02
.03
.03
.03
.04
.04
.04
.05
.06
.08
.09
.11
.13
.14
.15
.21
.28
.34
.36
.43
.56
.67
.77
1.2
1.3
1.6
2.0
2.3
2.7
3.5
4.0
4.5
5.4
6.6
8.6
9.7
14
16
21
26
30
43
48
Saturation
DC
(A)
7.3
6.3
5.6
5.3
4.5
4.1
3.6
3.3
3.0
2.7
2.5
2.2
2.0
1.8
1.7
1.5
1.4
1.2
1.1
1.0
.95
.86
.77
.70
.64
.59
.54
.49
.44
.40
.35
.33
.29
.27
.24
.22
.20
.18
.16
.15
.13
.12
.11
.10
.09
Rated
AC
(A)
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.0
.80
.80
.80
.80
.80
.63
.51
.51
.51
.51
.40
.40
.40
.32
.32
.25
.20
.20
.20
.16
.16
.16
.13
.13
.10
.10
.08
.08
.07
.05
.05
.04
.04
ENGINEERING KIT #2
Not shown at actual size.
CTH7F-3R9K
CTH7F-4R7K
CTH7F-5R6K
CTH7F-6R8K
CTH7F-8R2K
CTH7F-100K
CTH7F-120K
CTH7F-150K
CTH7F-180K
CTH7F-220K
CTH7F-270K
CTH7F-330K
CTH7F-390K
CTH7F-470K
CTH7F-560K
CTH7F-680K
CTH7F-820K
CTH7F-101K
CTH7F-121K
CTH7F-151K
CTH7F-181K
CTH7F-221K
CTH7F-271K
CTH7F-331K
CTH7F-391K
CTH7F-471K
CTH7F-561K
CTH7F-681K
CTH7F-821K
CTH7F-102K
CTH7F-122K
CTH7F-152K
CTH7F-182K
CTH7F-222K
CTH7F-272K
CTH7F-332K
CTH7F-392K
CTH7F-472K
CTH7F-562K
CTH7F-682K
CTH7F-822K
CTH7F-103K
CTH7F-123K
CTH7F-153K
CTH7F-183K
Compliant
RoHS
CHARACTERISTICS
Description:
Axial leaded power line inductor (UL sleeved)
Applications:
Used in switching regulators, power amplifiers,
power supplies, SCR and Triac controls, speaker crossover
networks, RFI suppression and filters. Various applications
Operating Temperature:
-55°C to +125°C
Inductance Tolerance:
±10%
Testing:
Inductance is tested on an HP4284A at 1.0 kHz
Packaging:
Tape & Reel standard, bulk packaging available.
Marking:
Coils are sleeved in heat resistant polyolefin and
labeled with the part number
Miscellaneous:
RoHS Compliant.
Higher current parts available.
Saturation Current:
Lowers inductance by 10%
Bobbin:
High saturation, allows for high inductance with low
DC resistance
Additional Information:
Additional electrical & physical
information available upon request
Samples available. See website for ordering information.
PHYSICAL DIMENSIONS
Size
mm
inches
A
Max.
15.3
0.6
B
Max.
7.37
0.29
C
see
below
20 AWG
Nom.
0.813
0.319
A
B
CTH7F-XXXX
20 AWG
*C
* 0.940“±0.060”
(Tape & Reel)
1.150“±0.060” (Bulk)
04.14.08
Technologies
Manufacturer of Passive and Discrete Semiconductor Components
800-684-5322
Inside US
949-453-1811
Outside US
Copyright © 2008 by CT Magnetics, DBA Central Technologies. All rights reserved.
CT Magnetics reserves the right to make improvements or change specifications without notice
CENTRAL

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 2200  143  146  1369  177  45  3  28  4  7 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号