43 applications these miniature multilayer ceramic capacitors, style ckr31 and ckr32, are qualified to established reliability specification mil-prf-39014/21. high volumetric efficiency and reliable perform- ance result from the special glass-k dielectric, which is fused into a compact monolithic structure. these capacitors are available in three different stability characteristics. performance characteristics tolerance: ?0% and ?0% in characteristics ??and ?? and ?0% and ?% in characteristic ?? stability characteristics: available as follows: bt-tc: +2, -10%; tvc: +2, -10% bu-tc: +2, -15%; tvc: +2, -15% bv-tc: +20, -45%; tvc: +20, -50% dissipation factor: bt: 1.0% bu: 1.5% bv: 3.0% life: meets or exceeds requirements of mil-prf-39014. at 200% of rated voltage, 125?, at 4,000 hours, the capaci- tance change for each stability characteristic is as follows: bt: ?% bu: ?0% bv: ?0% insulation resistance: at 25?, 100,000 megohms or 1,000 megohm-microfarads. at 125?, 10,000 megohms or 100 megohm-microfarads. voltage/temperature rating: rated voltage is 50 vdc. the operating temperature range is -55? to +125?. moisture resistance: meets or exceeds requirements of mil-prf-39014 and mil-std-202, method 106. the capacitance change is less than 2% for stability character- istics t and u, and less than 5% for characteristic v. ckr31bt ckr31 ckr32 ckr32bt l d 31.75 (1.250) min. military glass-k capacitors mil-prf-39014/21 ckr31, 32 case lead dia. weight size l d +0.1(+0.004) (grams) ?254 (0.010) ?254 (0.010) -0.03(?.001) (typ.) ckr31 6.09 2.29 .41 (0.240) (0.090) (0.016) .2 ckr32 6.09 3.30 .41 (0.240) (0.130) (0.016) .3 dimensions: millimeters (inches) note: leads are gold-plated, solderable and weldable per mil-std-1276, type d. capacitance ?pf style stability ckr char. 270 ?10,000 31 bt 12,000 ?20,000 31 bu 32 bt 22,000 ?39,000 31 bv 32 bu 47,000 ?51,000 31 bv 56,000 ?100,000 32 bv quick selection guide
44 M39014/21 (dash number) capacitance capacitance dc failure rate level value tolerance rated (%/1,000 hours) (pf) percent voltage 1.0 (m) ckr31 (bv) 0049 22,000 10 50 0050 22,000 20 50 0051 27,000 10 50 0052 27,000 20 50 0053 33,000 10 50 0054 33,000 20 50 0055 39,000 10 50 0056 39,000 20 50 0057 47,000 10 50 0058 47,000 20 50 0059 51,000 10 50 0060 51,000 20 50 ckr32 (bt) 0061 12,000 5 50 0062 12,000 10 50 0063 15,000 5 50 0064 15,000 10 50 0065 18,000 5 50 0066 18,000 10 50 0067 20,000 5 50 0068 20,000 10 50 ckr32 (bu) 0069 22,000 10 50 0070 22,000 20 50 0071 27,000 10 50 0072 27,000 20 50 0073 33,000 10 50 0074 33,000 20 50 0075 39,000 10 50 0076 39,000 20 50 ckr32 (bv) 0077 56,000 10 50 0078 56,000 20 50 0079 62,000 10 50 0080 62,000 20 50 0081 68,000 10 50 0082 68,000 20 50 0083 75,000 10 50 0084 75,000 20 50 0085 82,000 10 50 0086 82,000 20 50 0087 91,000 10 50 0088 91,000 20 50 0089 100,000 10 50 0090 100,000 20 50 M39014/21 (dash number) capacitance capacitance dc failure rate level value tolerance rated (%/1,000 hours) (pf) percent voltage 1.0 (m) ckr31 (bt) 0001 270 5 50 0002 270 10 50 0003 330 5 50 0004 330 10 50 0005 390 5 50 0006 390 10 50 0007 470 5 50 0008 470 10 50 0009 560 5 50 0010 560 10 50 0011 680 5 50 0012 680 10 50 0013 820 5 50 0014 820 10 50 0015 1,000 5 50 0016 1,000 10 50 0017 1,200 5 50 0018 1,200 10 50 0019 1,500 5 50 0020 1,500 10 50 0021 1,800 5 50 0022 1,800 10 50 0023 2,200 5 50 0024 2,200 10 50 0025 2,700 5 50 0026 2,700 10 50 0027 3,300 5 50 0028 3,300 10 50 0029 3,900 5 50 0030 3,900 10 50 0031 4,700 5 50 0032 4,700 10 50 0033 5,600 5 50 0034 5,600 10 50 0035 6,800 5 50 0036 6,800 10 50 0037 8,200 5 50 0038 8,200 10 50 0039 10,000 5 50 0040 10,000 10 50 ckr31 (bu) 0041 12,000 10 50 0042 12,000 20 50 0043 15,000 10 50 0044 15,000 20 50 0045 18,000 10 50 0046 18,000 20 50 0047 20,000 10 50 0048 20,000 20 50 marking jck31 103km 9826b avx j = jan trademark ck = style 31 = case size 103 = capacitance, coded in pf k = tolerance m = failure rate level 9826 = date code b = lot code avx = vendor military glass-k capacitors mil-prf-39014/21 ckr31, 32 cross reference mil-prf-39014/21 mil-prf-11015/25 style style ckr31 ck31 ckr32 ck32 part number explanation part numbers are formed by adding a dash number from the part number table to the basic mil spec number ?M39014/21 ?(add dash number) M39014/21 ?example: M39014/21-0040 ckr31 10,000pf ?0% 50v m failure rate (bt characteristic)
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