MS21427C
TABLE 1. Electrical characteristics (initial).
Dash Number MS21427 |
Type designation |
Inductance (µH) ±10% |
Q (min) |
Test frequency (MHz) |
SRF min (MHz) |
DC resistance at 25°C max (ohms) |
Rated DC current (mA) |
Incremental current (mA) |
-1 -2 -3 -4 -5 -6 -7 -8 -9 |
LT10K555 LT10K556 LT10K557 LT10K558 LT10K559 LT10K560 LT10K561 LT10K562 LT10K563 |
120 150 180 220 270 330 390 470 560 |
31 33 33 35 37 40 38 36 36 |
.79 .79 .79 .79 .79 .79 .79 .79 .79 |
13 12 11 10 9 8 7.8 7.5 7.0 |
5.8 7.9 9.4 11.0 12.0 16.0 21.0 24.0 28.0 |
88 75 69 64 61 53 46 43 40 |
27 24 22 20 18 16 14 13 12 |
1/ The dash number added to the MS military standard number constitutes the MS part number, for example
MS21427-1
TABLE II. Electrical characteristics (final). 1/
Inspection group |
Allowable variation from Initial measurement |
Allowable percent from specified minimum value in electrical characteristics (initial) table |
||
Inductance (percent) |
DC resistance |
Self-resonant frequency |
Q |
|
Qualification inspection Group II Group III Group IV |
±5 ±10 ±10 |
--- ±(3% +.001 ohm) ±(3% +.001 ohm) |
--- -15 -15 |
-15 -20 -20 |
Conformance inspection group C Subgroup I Subgroup II Subgroup III |
±5 ±10 ±10 |
--- ±(3% +.001 ohm) ±(3% +.001 ohm) |
--- -15 -15 |
-15 -20 -20 |
NOTES:
1. The SRF minimum values tabulated exceeding 250 MHz are estimates and to be used for reference only.
2. Polarization during moisture resistance test is not applicable.
3. Terminal strength twist test, in accordance with MIL-STD-202, method 211, test condition D, except 180°
rotation for a total of 540°.
3
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