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CTM3F-680M

Description
1 ELEMENT, 68 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR
CategoryPassive components    inductor   
File Size157KB,1 Pages
ManufacturerCT [ Central Technologies ]
Environmental Compliance
Download Datasheet Parametric View All

CTM3F-680M Overview

1 ELEMENT, 68 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR

CTM3F-680M Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerCT [ Central Technologies ]
Reach Compliance Codecompli
ECCN codeEAR99
Is SamacsysN
core materialFERRITE
DC Resistance4.2 Ω
Nominal inductance(L)68 µH
Inductor ApplicationsRF INDUCTOR
Inductor typeGENERAL PURPOSE INDUCTOR
JESD-609 codee3
Manufacturer's serial numberCTM3F
Number of functions1
Number of terminals2
Maximum operating temperature125 °C
Minimum operating temperature-55 °C
Minimum quality factor (at nominal inductance)55
Maximum rated current0.22 A
self resonant frequency11 MHz
Shape/Size DescriptionTUBULAR PACKAGE
shieldNO
surface mountNO
Terminal surfaceMatte Tin (Sn)
Terminal locationAXIAL
Terminal shapeWIRE
Test frequency2.5 MHz
Tolerance20%
Base Number Matches1
Molded Inductors - Axial
ctparts.com
SPECIFICATIONS
CTM3F Series
From .15 µH to 1,000 µH
Part
Number
CTM3F-R15_
CTM3F-R22_
CTM3F-R27_
CTM3F-R33_
CTM3F-R47_
CTM3F-R56_
CTM3F-R68_
CTM3F-R82_
CTM3F-1R0_
CTM3F-1R2_
CTM3F-1R5_
CTM3F-1R8_
CTM3F-2R2_
CTM3F-2R7_
CTM3F-3R3_
CTM3F-3R9_
CTM3F-4R7_
CTM3F-5R6_
CTM3F-6R8_
CTM3F-8R2_
CTM3F-100_
CTM3F-120_
CTM3F-150_
CTM3F-180_
CTM3F-220_
CTM3F-270_
CTM3F-330_
CTM3F-390_
CTM3F-470_
CTM3F-560_
CTM3F-680_
CTM3F-820_
CTM3F-101_
CTM3F-121_
CTM3F-151_
CTM3F-181_
CTM3F-221_
CTM3F-271_
CTM3F-331_
CTM3F-391_
CTM3F-471_
CTM3F-561_
CTM3F-681_
CTM3F-821_
CTM3F-102_
Not shown at actual size.
Please specify tolerance code when ordering.
CTM3F-R15_
J = ±5%, K = ±10%, M = ±20%
L Test
Freq.
(MHz)
25
25
25
25
25
25
25
25
25
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
.79
.79
.79
.79
.79
.79
.79
.79
.79
.79
.79
.79
.79
Q
Factor
Min.
50
50
50
50
50
50
45
40
40
30
30
30
30
30
30
30
30
30
30
30
30
50
55
60
60
65
55
55
55
55
55
55
45
60
60
60
60
65
65
65
65
65
60
60
60
Q Test
Freq.
(MHz)
25
25
25
25
25
25
25
25
25
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
.79
.79
.79
.79
.79
.79
.79
.79
.79
.79
.79
.79
.79
SRF
Min.
(MHz)
510
415
360
350
300
270
250
210
200
180
170
150
140
120
70
65
60
50
50
48
42
36
30
30
24
22
18
16
14
14
11
9.3
8.5
7.3
6.2
5.7
5.2
5.6
5.0
4.5
4.0
3.8
3.4
3.1
2.8
DCR
Max.
Ω
(Ω)
.03
.03
.05
.06
.08
.12
.15
.21
.29
.40
.49
.74
.97
1.2
.14
.15
.21
.28
.37
.44
.61
1.1
1.2
2.0
2.2
2.8
2.3
2.5
3.4
4.1
4.2
4.4
4.9
5.4
6.2
7.1
7.9
8.2
9.1
10
11
12
14
15
16
Rated
DC
(mA)
3050
2800
2400
2000
1700
1450
1300
1100
930
785
700
550
505
460
990
870
745
645
560
540
440
370
310
255
240
205
300
285
245
225
220
215
205
195
180
170
160
110
105
100
95
91
85
81
78
Inductance
(µH)
.15
.22
.27
.33
.47
.56
.68
.82
1.0
1.2
1.5
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
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
Compliant
RoHS
CHARACTERISTICS
Description:
Axial leaded molded inductor
Applications:
Used for various kinds of OSC and TRAP coils.
Ideal for various RF applications
Operating Temperature:
-55°C to +125°C
Inductance Tolerance:
±5%, ±10% & ±20%
Testing:
Inductance and Q are tested on an HP4285A at
specified frequency
Packaging:
Bulk pack or Tape & Reel, 2,500 parts per reel
Marking:
Five band EIA color code indicating inductance code
and tolerance
Material:
Molded epoxy resin over coil
Core:
Magnetic core (ferrite or iron) except for values .15 µH to
2.7 µH (phenolic)
Miscellaneous:
RoHS Compliant.
Additional Information:
Additional electrical & physical
information available upon request
Samples available. See website for ordering information.
PHYSICAL DIMENSIONS
Size
mm
inches
A
11.2±0.25
0.44±0.01
B
4.82±0.25
0.19±0.01
C
Typ.
29.2
1.15
24 AWG
Nom.
0.511
0.02
04.05.07
Technologies
Manufacturer of Passive and Discrete Semiconductor Components
800-684-5322
Inside US
949-453-1811
Outside US
Copyright © 2007 by CT Magnetics, DBA Central Technologies. All rights reserved.
CT Magnetics reserves the right to make improvements or change specifications without notice
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