Quartz Crystal Units HC-49/U-2H, HC-49/U-3H & HC-49/U-4H FAMILY STANDARD THROUGH-HOLE CRYSTALS ±50 ppm over -20゜ C to +70゜ C Load capacitance (CL) 16 pF, Typical Shunt capacitance (C0) 5 pF max. Drive level (P) BT-Cut / Fundamental / 28.636363 MHz to 50.000 MHz AT-Cut / 3rd overtone / 26.690000 MHz to 61.000 MHz VCXO PART NUMBERING GUIDE Actual size 0.4432 gm (wt.) Holder type Frequency designator TCXO SMI Part No. Actual size OCXO 0.535 gm (wt.) Φ0.43 2.1 max. 3.8 max. Circuit Calibration Condition Frequency 2H221-18 2H = HC-49/U-2H Parallel resonance CL = 18 pF 221 = 22.1184 MHz 3H450S 3H = HC-49/U-3H S = Series resonance 450 = 45.000 MHz 4H080-16 4H = HC-49/U-4H Parallel resonance CL = 16 pF 080 = 8.000 MHz HC-49/U-2H HC-49/U-3H HC-49/U-4H Cover Metal Metal Metal Base Metal Metal Metal Resistance Resistance Resistance Alloy (FeNiCo) Alloy (FeNiCo) Alloy (FeNiCo) SnCu SnCu SnCu Compliant (Pb-free) Compliant (Pb-free) Compliant (Pb-free) HOLDER DATA Holder Sealing Terminal lead Terminal plating 5.0 max. 4.88 MCF Holder Item 12.0 min. 10.5 max. RoHS 11.35 max. 5.0 max. 44 10.5 max. 3.5 max. Φ0.43 12.0 min. 3.8 max. 4.88 4.88 11.35 max. HC-49/U-4H 5.0 max. Φ0.43 12.0 min. 10.5 max. 2.5 max. HC-49/U-3H Load capacitance (CL) Example HC-49/U-4H HC-49/U-2H 4H 080 -16 11.35 max. 3.8 max. -20 -40 -60 -80 -30 -15 0 +15 +30 +45 +60 +75 C) +90 (゜ TYPICAL TEMPERATURE CHARACTERISTICS AT-Cut / Fundamental / 3.579545 MHz to 40.000 MHz Cut / Oscillation mode 0 -100 -45 100 μW max. (10 μW for testing) ±5 ppm max. at +25゜ C ±3゜ C per year Aging +20 ∆f/f BT-CUT (ppm) 20 0 -20 -40 -60 -80 -100 ∆f/f -120 -140 -160 -180 -200 -220 -240 -40 -25 -10 +5 +20 +35 +50 +65 +80 TYPICAL TEMPERATURE CHARACTERISTICS C) +95 +110 (゜ 3.579545 3.580000 3.648000 3.686400 3.840000 3.932160 4.000000 4.032000 4.096000 4.194304 4.433000 4.433619 4.500000 4.608000 4.800000 4.906250 4.915200 5.000000 5.089062 5.333000 5.333333 5.699623 6.000000 6.144000 6.176000 6.480000 6.745800 6.764300 6.764380 6.776170 6.783600 7.372800 7.500000 7.680000 8.000000 8.190000 8.192000 8.400000 9.000000 9.031600 9.216000 9.600000 9.690900 9.690990 9.718750 9.830400 9.843750 10.000000 10.111000 10.202000 10.245000 10.368000 10.781200 11.000000 11.059200 11.290000 12.000000 12.270000 12.288000 12.296000 12.334375 13.000000 13.234370 13.248000 13.401560 13.406250 035 0358 0364 0368 0384 039 040 0403 0409 041 0443 044 045 046 048 04906 049 050 0508 05333 053 056 060 061 0617 0648 0674 067643 0676 0677 0678 073 075 0768 080 0819 08192 084 090 0903 092 096 096909 0969099 0971 098 0984 100 101 102 10245 103 1078 110 1105 1129 120 1227 122 1229 12334 130 1323 132 13401 13406 Max. Equivalent Series Resistance Ohms (Ω) ESR 200 200 200 200 200 200 150 150 150 150 150 150 150 150 150 150 150 120 120 120 120 120 100 100 100 100 100 100 100 100 100 80 80 80 80 80 80 80 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 50 50 50 50 50 Frequency MHz Frequency Designator 13.410000 13.500000 13.544375 13.560000 13.567200 13.577000 14.000000 14.316000 14.318180 14.400000 14.580000 14.745600 15.000000 15.360000 15.980000 16.000000 16.384000 16.588000 16.934400 17.700000 17.734470 17.734475 18.000000 18.432000 19.069929 19.200000 19.260000 19.312000 19.440000 19.608000 19.660800 19.680000 20.000000 20.250000 20.250800 20.476000 20.480000 20.945000 22.118400 22.425000 22.525000 22.787500 22.887500 23.000000 23.600000 23.975000 24.000000 24.576000 25.000000 26.500000 26.540000 26.800000 26.998435 27.000000 27.145000 27.586000 28.000000 28.224000 28.636000 28.636300 28.636363 28.920000 29.000000 29.491200 29.498900 30.000000 1341 135 1354 1356 135672 13577 140 14316 143 144 1458 147 150 153 1598 160 163 1658 1693 177 1773447 1773 180 184 19069929 192 1926 193 194 19608 196 1968 200 2025 202508 20476 2048 20945 221 22425 22525 227875 22887 230 236 23975 240 245 250 265 2654 268 26998 270 27145 2758 280 282 28636 286363 2863 2892 290 294 294989 300 Max. Equivalent Series Resistance Ohms (Ω) ESR 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 Frequency MHz Frequency Designator 30.800000 31.708000 32.000000 32.110000 32.768000 33.000000 33.177600 33.333000 33.868800 35.468950 36.000000 36.864000 37.745000 38.000000 40.000000 40.685000 40.750000 43.391670 45.000000 48.000000 49.860000 50.000000 50.032000 50.803200 54.000000 61.000000 308 317 320 321 32768 330 3317 33333 338 354 360 368 377 380 400 4068 4075 4339 450 480 4986 500 50032 508 540 610 Max. Equivalent Series Resistance Ohms (Ω) ESR 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 (BT-Cut) 40 (BT-Cut) 40 (BT-Cut) 40 (BT-Cut) 40 (BT-Cut) 40 (BT-Cut) 40 (BT-Cut) 40 (BT-Cut) 40 (BT-Cut) 40 (BT-Cut) 40 (BT-Cut) XTAL Temperature stability (referred to +25゜ C) +40 Frequency Designator CLK OSC HC-49/U-3H Frequency tolerance 3.579545 MHz to 61.000 MHz ±50 ppm at +25゜ C ±3゜ C +60 Frequency MHz VCXO CLK OSC 0.336 gm (wt.) +80 HC-49/U-2H, HC-49/U-3H & HC-49/U-4H Frequency range Actual size +100 TCXO Specifications OCXO XTAL Item Holder type HC-49/U-2H, 3H & 4H STANDARD FREQUENCIES AT-CUT (ppm) MCF STANDARD SPECIFICATIONS HC-49/U-2H 45