7M2-272 [COILCRAFT]
7 mm Tunable Inductors; 7毫米可调电感
| 型号： | 7M2-272 |
| 厂家： | 
Coilcraft lnc. |
| 描述： | 7 mm Tunable Inductors |
| 文件： | 总4页 (文件大小：147K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Document 112-1
“Slot Seven” 7 mm Tunable Inductors
This product is not RoHS-compliant. Contact Coilcraft
for current status or possible alternatives.
These versatile Coilcraft variable inductors operate over
a wide range of frequencies. Standard inductance val-
ues are available from less than 100 nH to over 250 µH.
Custom values can also be provided upon request.
Coilcraft “Slot Seven” RF coils come in an international
7 mm package. Their precision-molded slotted bobbins
ensure tight tolerances and high stability.
A variety of shielding options are offered. “Slot Seven”
coils are tuned by means of slotted ferrite tuning cores
for easy, positive adjustment. Use the Coilcraft Slot
Tuner for a precise fit to the tuning slug.
Coilcraft Designer’s Kit M106 contains 39 coils (3
each). To order, please contact Coilcraft or purchase
on-line at http://order.coilcraft.com.
Recommended
Board Layout
Bottom View
0.300
7,62
0.460 0.008
11,68 0,20
0.138 0.040
3,51 1,02
0.177 0.005
4,50 0,13
max sq
sq
0.039
0,99
(5)
0.0885
2,248
1
2
3
ref
Finish
Start
0.039 0.008
0,99 0,20
0.059
1,50
(2)
0.285
ref
6
4
Tab thickness
0.006 0.0004
0,15 0,010
Tuning
slug
7,24
0.019
0,48
dia nom
Can tab centers
Weight 7M2 series 1.00 – 1.06 g
7M3 series 1.30 – 1.34 g
Schematic
1
3
Specifications subject to change without notice.
Please check our website for latest information.
Document112-1 Revised02/16/05
© Coilcraft, Inc. 2007
Document 112-2
“Slot Seven” 7 mm Tunable Inductors
Series 7M2 — Shielded with Plastic Sleeve
Test
frequency
Q min
@ L nom
DCR max
(Ohms)
Part Number
L min (µH)
L nom (µH)
L max (µH)
7M2-101
7M2-121
7M2-151
7M2-181
7M2-221
0.094
0.113
0.141
0.169
0.207
0.100
0.120
0.150
0.180
0.220
0.106
0.127
0.159
0.191
0.233
25 MHz
25 MHz
25 MHz
25 MHz
25 MHz
27
27
30
30
35
0.124
0.124
0.151
0.151
0.176
7M2-271
7M2-331
7M2-391
7M2-471
7M2-561
0.254
0.310
0.367
0.442
0.526
0.270
0.330
0.390
0.470
0.560
0.286
0.350
0.413
0.498
0.594
25 MHz
25 MHz
25 MHz
25 MHz
25 MHz
35
40
40
40
40
0.198
0.248
0.271
0.291
0.317
7M2-681
7M2-821
7M2-102
7M2-122
7M2-152
0.612
0.738
0.9
0.680
0.820
1.0
0.748
0.902
1.1
25 MHz
25 MHz
25 MHz
7.9 MHz
7.9 MHz
40
45
45
27
27
0.333
0.368
0.396
0.412
0.466
1.1
1.2
1.3
1.4
1.5
1.7
7M2-182
7M2-222
7M2-272
7M2-332
7M2-392
1.6
2.0
2.4
3.0
3.5
1.8
2.2
2.7
3.3
3.9
2.0
2.4
3.0
3.6
4.3
7.9 MHz
7.6 MHz
7.9 MHz
7.9 MHz
7.9 MHz
27
27
27
27
27
0.544
0.595
0.898
1.04
1.12
7M2-472
7M2-562
7M2-682
7M2-822
7M2-103
4.2
5.0
6.1
7.4
9.0
4.7
5.6
6.8
8.2
10
5.2
6.2
7.5
9.0
11
7.9 MHz
7.9 MHz
7.9 MHz
7.9 MHz
7.9 MHz
27
27
27
27
27
1.38
1.42
1.49
1.65
2.42
7M2-123
7M2-153
7M2-183
7M2-223
7M2-273
10
13
15
19
23
12
15
18
22
27
14
17
21
25
31
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
20
20
20
20
20
2.75
3.71
4.01
7.37
8.48
7M2-333
7M2-393
7M2-473
7M2-563
7M2-683
28
33
40
48
58
33
39
47
56
68
38
45
54
64
78
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
20
20
20
20
20
13.34
14.72
16.42
17.76
19.76
7M2-823
7M2-104
70
85
82
100
94
115
2.5 MHz
2.5 MHz
20
20
22.01
24.25
Parts in bold are included in Coilcraft Designer’s Kit M106.
Typical Q at L nom — Series 7M2
Notes:
1. All readings taken on Agilent/HP
4342-A Q Meter.
75
2. L min is achieved at maximum
extension of the core toward PC
board. Complete tuning range is
reached within the boundaries of the
coil form.
3. All specifications are at standard “Q”
meter frequencies. L and Q readings
change with frequency.
4. Shielded parts have a sleeve insert
to protect the winding.
5. Operating temperature range -40°C
to +85°C.
-331
50
25
-181
-102
-101
-332
-333
6. Electrical specifications at 25°C.
-104
0
1
10
100
Frequency (MHz)
Specifications subject to change without notice.
Please check our website for latest information.
Document112-2 Revised11/21/02
© Coilcraft, Inc. 2007
Document 112-3
“Slot Seven” 7 mm Tunable Inductors
Series 7M3 — Shielded with Ferrite Sleeve
Test
frequency
Q min
@ L nom
DCR max
(Ohms)
Part number
L min (µH)
L nom (µH)
L max (µH)
7M3-151
7M3-181
7M3-221
7M3-271
7M3-331
0.128
0.153
0.187
0.230
0.281
0.150
0.180
0.220
0.270
0.330
0.173
0.207
0.253
0.311
0.380
25 MHz
25 MHz
25 MHz
25 MHz
25 MHz
40
45
45
50
50
0.124
0.124
0.151
0.151
0.151
7M3-391
7M3-471
7M3-561
7M3-681
7M3-821
0.332
0.400
0.476
0.544
0.656
0.390
0.470
0.560
0.680
0.820
0.449
0.541
0.644
0.816
0.984
25 MHz
25 MHz
25 MHz
25 MHz
25 MHz
55
55
60
60
60
0.176
0.198
0.198
0.248
0.271
7M3-102
7M3-122
7M3-152
7M3-182
7M3-222
0.8
1.0
1.2
1.4
1.8
1.0
1.2
1.5
1.8
2.2
1.2
1.4
1.8
2.2
2.6
25 MHz
7.9 MHz
7.9 MHz
7.9 MHz
7.9 MHz
60
45
45
45
45
0.317
0.333
0.368
0.396
0.412
7M3-272
7M3-332
7M3-392
7M3-472
7M3-562
2.2
2.6
3.1
3.8
4.5
2.7
3.3
3.9
4.7
5.6
3.2
4.0
4.7
5.6
6.7
7.9 MHz
7.9 MHz
7.9 MHz
7.9 MHz
7.9 MHz
45
40
40
40
40
0.466
0.544
0.595
0.898
1.04
7M3-682
7M3-822
7M3-103
7M3-123
7M3-153
5.4
6.6
8
6.8
8.2
10
8.2
9.8
12
7.9 MHz
7.9 MHz
7.9 MHz
2.5 MHz
2.5 MHz
35
35
35
35
35
1.04
1.12
1.38
1.49
1.65
9
12
15
11
15
19
7M3-183
7M3-223
7M3-273
7M3-333
7M3-393
14
17
20
25
29
18
22
27
33
39
23
28
34
41
49
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
35
35
40
40
40
2.42
2.75
3.71
3.71
4.01
7M3-473
7M3-563
7M3-683
7M3-823
7M3-104
35
42
51
62
75
47
56
59
70
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
40
40
40
40
40
7.37
8.48
13.34
14.72
16.42
68
85
82
100
103
125
7M3-124
7M3-154
7M3-184
7M3-224
90
113
135
165
120
150
180
220
150
188
225
275
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
40
40
40
40
17.76
19.76
22.01
24.25
Parts in bold are included in Coilcraft Designer’s Kit M106.
Typical Q at L nom — Series 7M3
Notes:
1. All readings taken on Agilent/HP
4342-A Q Meter.
75
2. L min is achieved at maximum
extension of the core toward PC
board. Complete tuning range is
reached within the boundaries of the
coil form.
3. All specifications are at standard “Q”
meter frequencies. L and Q readings
change with frequency.
-102
-182
-332
50
-331
-151
-562
4. Shielded parts have a sleeve insert
to protect the winding.
5. Operating temperature range -40°C
to +85°C.
-393
-683
25
6. Electrical specifications at 25°C.
0
1
10
100
Frequency (MHz)
Specifications subject to change without notice.
Please check our website for latest information.
Document112-3 Revised11/21/02
© Coilcraft, Inc. 2007
Document 112-4
“Slot Seven” 7 mm Tunable Inductors
Typical Self Resonant Frequency
At nominal inductance
800
7M2
700
600
500
400
7M3
300
200
100
0
-101
-221
-331
-561
-102
-182
-332
-562
-103
-183
-333
-563
-104
Dash Number
Specifications subject to change without notice.
Please check our website for latest information.
Document112-4 Revised11/21/02
© Coilcraft, Inc. 2007
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