General Quartz Crystal Units - BBA Electronics Co., Ltd.

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BBA Electronics Co., Ltd.
[Korea]

Address:
381-3 Wooam-dong, Sandang-gu, Cheongju-si, Chungcheongbuk-do 361-290 Korea

Phone:
82-43-2164201

Contact name:
Yong-un, Lee , President

Crystal Unit

	General Quartz Crystal Units

Click to enlarge image

Model Number

UM-1, UM-5, HC-49/U, 49/T

Electrical Specification

MODEL	49U/T
Frequency	1.8432 ~ 180MHz
Operating Temp. Range	-40 ~ +85°C
Frequency Tolerance at 25°	±10,±15,±20,±30,±50PPMPPM
Frequency Stability (Vs. Temperature Range)	±10,±15,±20,±30,±50PPM
Load Capacitance	Series, 16pF,20pF,30pF
SHUNT CAPACITANCE	7.0pF MAX
DRIVE LEVEL	10 ~ 500 ㎼
Aging(at 25°C)	±5PPM / year MAX
lnsulation Resistance	500 MΩ MIN at 100VDC

Mechanical Dimension

Part Numbering

Package (Holder Type)	Freq.	Mode	Freq. Tolerance	Operating Temp. Range		Freq. Stability	Load Capa.
49U:HC-49/U 49S:ATS 49SL:ATSL 49SM:HC-49/S/SMD 49SLM:HC-49/SL/SMD 50U:HC-50/U WC:Watch Crystal WM:Watch Crystal/ SMD-Ceramic UM1:UM-1 UM5:UM-5	7 digit	A:Fundamental B:3rd Overtone C:5th Overtone D:7th Overtone	A: ± 5ppm B: ± 10ppm C: ± 15ppm D: ± 20ppm E: ± 30ppm F: ± 40ppm G: ± 50ppm H: ± 100ppm I: ± 150ppm J: Over ± 150ppm	Low H:-45°C G:-40 °C F:-30 °C E:-25 °C D:-20 °C C:-10 °C B:-5 °C A: 0 °C	High H:+50 °C I:+60 °C J:+70 °C K:+75 °C L:+80 °C M:+85 °C O:+90 °C	A: ± 5ppm B: ± 10ppm C: ± 15ppm D: ± 20ppm E: ± 30ppm F: ± 40ppm G: ± 50ppm H: ± 100ppm I: ± 150ppm J: Over ± 150ppm	A:8pF B:9pF C:10pF D:12pF E:15pF F:16pF G:18pF H:20pF I:30pF J:32pF K:50pF L:60pF M:12.5pF S:Series