7M3-221 COILCRAFT, 7M3-221 Datasheet - Page 3

• 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 7M3 — Shielded with Ferrite Sleeve
Parts in bold are included in Coilcraft Designer’s Kit M106.
Typical Q at L nom — Series 7M3
© Coilcraft, Inc. 2007
Part number
75
50
25
0
7M3-151
7M3-181
7M3-221
7M3-271
7M3-331
7M3-391
7M3-471
7M3-561
7M3-681
7M3-821
7M3-102
7M3-122
7M3-152
7M3-182
7M3-222
7M3-272
7M3-332
7M3-392
7M3-472
7M3-562
7M3-682
7M3-822
7M3-103
7M3-123
7M3-153
7M3-183
7M3-223
7M3-273
7M3-333
7M3-393
7M3-473
7M3-563
7M3-683
7M3-823
7M3-104
7M3-124
7M3-154
7M3-184
7M3-224
1
L min (µH)
113
135
165
11
14
17
20
25
29
35
42
51
62
75
90
0.153
0.230
0.332
0.476
0.656
1.0
1.4
2.2
3.1
4.5
6.6
0.128
0.187
0.281
0.400
0.544
0.8
1.2
1.8
2.6
3.8
5.4
8
9
Frequency (MHz)
L nom (µH)
-683
100
120
150
180
220
10
12
15
18
22
27
33
39
47
56
68
82
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
-393
-562
Specifications subject to change without notice.
Please check our website for latest information.
10
-332
L max (µH)
103
125
150
188
225
275
12
15
19
23
28
34
41
49
59
70
85
0.173
0.207
0.253
0.311
0.380
0.449
0.541
0.644
0.816
0.984
1.2
1.4
1.8
2.2
2.6
3.2
4.0
4.7
5.6
6.7
8.2
9.8
-182
-102
frequency
-331
7.9 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
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
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
Test
-151
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 112-3 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.
40
45
45
50
50
55
55
60
60
60
60
45
45
45
45
45
40
40
40
40
35
35
35
35
35
35
35
40
40
40
40
40
40
40
40
40
40
40
40
Document 112-3
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
0.151
0.176
0.198
0.198
0.248
0.271
0.317
0.333
0.368
0.396
0.412
0.466
0.544
0.595
0.898
1.04
1.04
1.12
1.38
1.49
1.65
2.42
2.75
3.71
3.71
4.01
7.37
8.48