7M3-221 COILCRAFT, 7M3-221 Datasheet - Page 2

• Manufacturer Part Number: 7M3-221
• Manufacturer: COILCRAFT
• Type: Tunabler

Specifications of 7M3-221

• Product Length: 7.62 mm
• Product Height: 11.88 mm
• Lead Style: Pin
• Core Material: Ferrite
• Inductance: 220 nH

“Slot Seven” 7 mm Tunable Inductors
Series 7M2 — Shielded with Plastic Sleeve
Parts in bold are included in Coilcraft Designer’s Kit M106.
Typical Q at L nom — Series 7M2
© Coilcraft, Inc. 2007
Part Number
75
50
25
0
7M2-101
7M2-121
7M2-151
7M2-181
7M2-221
7M2-271
7M2-331
7M2-391
7M2-471
7M2-561
7M2-681
7M2-821
7M2-102
7M2-122
7M2-152
7M2-182
7M2-222
7M2-272
7M2-332
7M2-392
7M2-472
7M2-562
7M2-682
7M2-822
7M2-103
7M2-123
7M2-153
7M2-183
7M2-223
7M2-273
7M2-333
7M2-393
7M2-473
7M2-563
7M2-683
7M2-823
7M2-104
1
L min (µH)
10
13
15
19
23
28
33
40
48
58
70
85
0.113
0.169
0.254
0.367
0.526
0.738
1.1
1.6
2.4
3.5
5.0
7.4
0.094
0.141
0.207
0.310
0.442
0.612
0.9
1.4
2.0
3.0
4.2
6.1
9.0
Frequency (MHz)
L nom (µH)
100
10
12
15
18
22
27
33
39
47
56
68
82
0.100
0.120
0.150
0.180
0.220
0.270
0.330
0.390
0.470
0.560
0.680
0.820
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
-104
Specifications subject to change without notice.
Please check our website for latest information.
-333
10
L max (µH)
115
11
14
17
21
25
31
38
45
54
64
78
94
0.106
0.127
0.159
0.191
0.233
0.286
0.350
0.413
0.498
0.594
0.748
0.902
1.1
1.3
1.7
2.0
2.4
3.0
3.6
4.3
5.2
6.2
7.5
9.0
-332
-102
frequency
7.9 MHz
7.9 MHz
7.9 MHz
7.6 MHz
7.9 MHz
7.9 MHz
7.9 MHz
7.9 MHz
7.9 MHz
7.9 MHz
7.9 MHz
7.9 MHz
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
25 MHz
25 MHz
25 MHz
25 MHz
25 MHz
25 MHz
25 MHz
25 MHz
25 MHz
25 MHz
25 MHz
25 MHz
25 MHz
-331
Test
-181
-101
100
Notes:
1. All readings taken on Agilent/HP
2. L min is achieved at maximum
3. All specifications are at standard “Q”
4. Shielded parts have a sleeve insert
5. Operating temperature range -40°C
6. Electrical specifications at 25°C.
@ L nom
Document 112-2 Revised 11/21/02
Q min
4342-A Q Meter.
extension of the core toward PC
board. Complete tuning range is
reached within the boundaries of the
coil form.
meter frequencies. L and Q readings
change with frequency.
to protect the winding.
to +85°C.
27
27
30
30
35
35
40
40
40
40
40
45
45
27
27
27
27
27
27
27
27
27
27
27
27
20
20
20
20
20
20
20
20
20
20
20
20
Document 112-2
DCR max
(Ohms)
13.34
14.72
16.42
17.76
19.76
22.01
24.25
0.124
0.124
0.151
0.151
0.176
0.198
0.248
0.271
0.291
0.317
0.333
0.368
0.396
0.412
0.466
0.544
0.595
0.898
1.04
1.12
1.38
1.42
1.49
1.65
2.42
2.75
3.71
4.01
7.37
8.48