MC-406中文资料

元器件交易网http://doc.xuehai.net Crystal unit SMD LOW/MEDIUM-FREQUENCY CRYSTAL UNIT

MC-405/406 Product number (please refer to page 1)

Q1 xMC 4 0 5 x x x x x 0 0 Q1 xMC 4 0 6 x x x x x 0 0 High-density mounting-type SMD. Photolithography finished allows uniform, stable performance. Excellent environmental capability. Capable of covering low-frequency range from 20 kHz to 165 kHz. Suitable for time keeping of clock and microcomputer.

Actual size

Specifications (characteristics) Item Symbol 32.768 kHz Specifications Remarks

Nominal frequency range

f TSTG TOPR GL f/fθT a CL R1 C1 C0 IR fa

20.000 kHz to 165.000 kHz -55°C to+125°C -40°C to+85°C 1.0µW Max. Stored as bare product after unpacking

Temperature range

Storage temperature Operating temperature

Maximum drive level Frequency tolerance (standard) Turnover temperature (frequency) Temperature coefficient (frequency) Load capacitance Series resistance Motion capacitance Shunt capacitance Insulation resistance Aging

±20 x 10,±50 x 10 -6

-6

±50 x 10-6,±100 x 10-6 +25°C±5°C

Ta=+25°C, DL=0.1µW

-0.04 x 10-6/°C2 Max. 6 pF to∞ (Standard: 12.5 pF) 50 k Max. 2.0 fF Typ. 0.85 pF Typ. 500 M Min.±3 x 10-6/year Max.±5 x 10-6/year Max. Ta=+25°C±3°C, first year 55 k to 10 k 4.0 fF to 0.6 fF 2.0 pF to 0.6 pF Please specify For details, refer to page 13

Three drops on a hard board from 750 mm Shock resistance S.R.±5 x 10-6 Max.

or excitation test with 29400 m/s2 x 0.3 ms x 1/2 sine wave x 3 directions

External dimensions 4.06 Max.#4

(Unit: mm)

Recommended soldering pattern MC-405

(Unit: mm)

Internal connection in MC-406 #4#1#3#2 4.1 3.9 4.1

9.6 10.41 Max.

MC-406 3.6 Max. 3.15 0.8 1.5 0.51 2.29 4.1 3.9 4.1 0.51 1.5

2.54

2.54

Do not connect#2 and#3 of MC-406 to external device. The first digit of No. means: 5XXXX MC-405 6XXXX MC-406

21

0.2 Min.

4.1

#1

32.768k E 6571A

Internal connection in MC-405 #3#4#1#3#2

#2

第1页