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Q at L nom curves Self resonance curves
Dimensions View data sheet in Acrobat PDF format
Series 7M2 Shielded with plastic sleeve |
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Part Number |
L Min (µH) |
L Nom (µH) | L Max (µH) | Test Frequency |
Q Min @ L Nom |
DCR Max (Ohms) |
7M2-101 | 0.094 | 0.1 | 0.106 | 25 MHz | 27 | 0.124 |
7M2-121 | 0.113 | 0.12 | 0.127 | 25 MHz | 27 | 0.124 |
7M2-151 | 0.141 | 0.15 | 0.159 | 25 MHz | 30 | 0.151 |
7M2-181 | 0.169 | 0.18 | 0.191 | 25 MHz | 30 | 0.151 |
7M2-221 | 0.207 | 0.22 | 0.233 | 25 MHz | 35 | 0.176 |
7M2-271 | 0.254 | 0.27 | 0.286 | 25 MHz | 35 | 0.198 |
7M2-331 | 0.31 | 0.33 | 0.35 | 25 MHz | 40 | 0.248 |
7M2-391 | 0.367 | 0.39 | 0.413 | 25 MHz | 40 | 0.271 |
7M2-471 | 0.442 | 0.47 | 0.498 | 25 MHz | 40 | 0.291 |
7M2-561 | 0.526 | 0.56 | 0.594 | 25 MHz | 40 | 0.317 |
7M2-681 | 0.612 | 0.68 | 0.748 | 25 MHz | 40 | 0.333 |
7M2-821 | 0.738 | 0.82 | 0.902 | 25 MHz | 45 | 0.368 |
7M2-102 | 0.9 | 1 | 1.1 | 25 MHz | 45 | 0.396 |
7M2-122 | 1.1 | 1.2 | 1.3 | 7.9 MHz | 27 | 0.412 |
7M2-152 | 1.4 | 1.5 | 1.7 | 7.9 MHz | 27 | 0.466 |
7M2-182 | 1.6 | 1.8 | 2 | 7.9 MHz | 27 | 0.544 |
7M2-222 | 2 | 2.2 | 2.4 | 7.6 MHz | 27 | 0.595 |
7M2-272 | 2.4 | 2.7 | 3 | 7.9 MHz | 27 | 0.898 |
7M2-332 | 3 | 3.3 | 3.6 | 7.9 MHz | 27 | 1.04 |
7M2-392 | 3.5 | 3.9 | 4.3 | 7.9 MHz | 27 | 1.12 |
7M2-472 | 4.2 | 4.7 | 5.2 | 7.9 MHz | 27 | 1.38 |
7M2-562 | 5 | 5.6 | 6.2 | 7.9MHz | 27 | 1.42 |
7M2-682 | 6.1 | 6.8 | 7.5 | 7.9 MHz | 27 | 1.49 |
7M2-822 | 7.4 | 8.2 | 9 | 7.9 MHz | 27 | 1.65 |
7M2-103 | 9 | 10 | 11 | 7.9 MHz | 27 | 2.42 |
7M2-123 | 10 | 12 | 14 | 2.5 MHz | 20 | 2.75 |
7M2-153 | 13 | 15 | 17 | 2.5 MHz | 20 | 3.71 |
7M2-183 | 15 | 18 | 21 | 2.5 MHz | 20 | 4.01 |
7M2-223 | 19 | 22 | 25 | 2.5 MHz | 20 | 7.37 |
7M2-273 | 23 | 27 | 31 | 2.5 MHz | 20 | 8.48 |
7M2-333 | 28 | 33 | 38 | 2.5 MHz | 20 | 13.34 |
7M2-393 | 33 | 39 | 45 | 2.5 MHz | 20 | 14.72 |
7M2-473 | 40 | 47 | 54 | 2.5 MHz | 20 | 16.42 |
7M2-563 | 48 | 56 | 64 | 2.5 MHz | 20 | 17.76 |
7M2-683 | 58 | 68 | 78 | 2.5 MHz | 20 | 19.76 |
7M2-823 | 70 | 82 | 94 | 2.5 MHz | 20 | 22.01 |
7M2-104 | 85 | 100 | 115 | 2.5 MHz | 20 | 24.25 |
Series 7M3 Shielded with ferrite sleeve |
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Part Number |
L Min (µH) |
L Nom (µH) | L Max (µH) | Test Frequency |
Q Min @ L Nom |
DCR Max (Ohms) |
7M3-151 | 0.128 | 0.15 | 0.173 | 25 MHz | 40 | 0.124 |
7M3-181 | 0.153 | 0.18 | 0.207 | 25 MHz | 45 | 0.124 |
7M3-221 | 0.187 | 0.22 | 0.253 | 25 MHz | 45 | 0.151 |
7M3-271 | 0.23 | 0.27 | 0.311 | 25 MHz | 50 | 0.151 |
7M3-331 | 0.281 | 0.33 | 0.38 | 25 MHz | 50 | 0.151 |
7M3-391 | 0.332 | 0.39 | 0.449 | 25 MHz | 55 | 0.176 |
7M3-471 | 0.4 | 0.47 | 0.541 | 25 MHz | 55 | 0.198 |
7M3-561 | 0.476 | 0.56 | 0.644 | 25 MHz | 60 | 0.198 |
7M3-681 | 0.544 | 0.68 | 0.816 | 25 MHz | 60 | 0.248 |
7M3-821 | 0.656 | 0.82 | 0.984 | 25 MHz | 60 | 0.271 |
7M3-102 | 0.8 | 1 | 1.2 | 25 MHz | 60 | 0.317 |
7M3-122 | 1 | 1.2 | 1.4 | 7.9 MHz | 45 | 0.333 |
7M3-152 | 1.2 | 1.5 | 1.8 | 7.9 MHz | 45 | 0.368 |
7M3-182 | 1.4 | 1.8 | 2.2 | 7.9 MHz | 45 | 0.396 |
7M3-222 | 1.8 | 2.2 | 2.6 | 7.9 MHz | 45 | 0.412 |
7M3-272 | 2.2 | 2.7 | 3.2 | 7.9 MHz | 45 | 0.466 |
7M3-332 | 2.6 | 3.3 | 4 | 7.9 MHz | 40 | 0.544 |
7M3-392 | 3.1 | 3.9 | 4.7 | 7.9 MHz | 40 | 0.595 |
7M3-472 | 3.8 | 4.7 | 5.6 | 7.9 MHz | 40 | 0.898 |
7M3-562 | 4.5 | 5.6 | 6.7 | 7.9 MHz | 40 | 1.04 |
7M3-682 | 5.4 | 6.8 | 8.2 | 7.9 MHz | 35 | 1.04 |
7M3-822 | 6.6 | 8.2 | 9.8 | 7.9 MHz | 35 | 1.12 |
7M3-103 | 8 | 10 | 12 | 7.9 MHz | 35 | 1.38 |
7M3-123 | 9 | 12 | 15 | 2.5 MHz | 35 | 1.49 |
7M3-153 | 11 | 15 | 19 | 2.5 MHz | 35 | 1.65 |
7M3-183 | 14 | 18 | 23 | 2.5 MHz | 35 | 2.42 |
7M3-223 | 17 | 22 | 28 | 2.5 MHz | 35 | 2.75 |
7M3-273 | 20 | 27 | 34 | 2.5 MHz | 40 | 3.71 |
7M3-333 | 25 | 33 | 41 | 2.5 MHz | 40 | 3.71 |
7M3-393 | 29 | 39 | 49 | 2.5 MHz | 40 | 4.01 |
7M3-473 | 35 | 47 | 59 | 2.5 MHz | 40 | 7.37 |
7M3-563 | 42 | 56 | 70 | 2.5 MHz | 40 | 8.48 |
7M3-683 | 51 | 68 | 85 | 2.5 MHz | 40 | 13.34 |
7M3-823 | 62 | 82 | 103 | 2.5 MHz | 40 | 14.72 |
7M3-104 | 75 | 100 | 125 | 2.5 MHz | 40 | 16.42 |
7M3-124 | 90 | 120 | 150 | 2.5 MHz | 40 | 17.76 |
7M3-154 | 113 | 150 | 188 | 2.5 MHz | 40 | 19.76 |
7M3-184 | 135 | 180 | 225 | 2.5 MHz | 40 | 22.01 |
7M3-224 | 165 | 220 | 275 | 2.5 MHz | 40 | 24.25 |
1 All
readings taken on HP 4342-A Q meter.
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 recommended at standard Q meter frequency as a simple way
to assure the quality of our parts. L and Q readings will vary with
frequency change.
4 Shielded
parts have a sleeve insert to protect the winding.
5 Operating
temperature range -40° C to +85° C.
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