Wing Shing Electronic Co manufacturer of power semiconductors HC-49-SSMD Datasheet

CRYSTAL UNIT

1. SCOPE

This specification shall cover the characteristics of crystal unit with

HC-49/S SMD 3.579545—27.00MHz

2. ELECTRICAL SPECIFICATION

ITEM SPECIFICATION
HOLDER TYPE HC-49/S SMD
NOMINAL FREQUENCY 3.579545—27.00MHz
LOAD CAPACITANCE 10PF to series
OSCILLATION MODE Fundamental

FREQUENCY TOLERANCE AT 25℃±2℃±30PPM
EQUIVALENT SERIES RESISTANCE Based on frequency
DRIVE LEVEL 0.5MW
OPERATING TEMPERATURE RANGE

-10℃~+60℃

FREQUENCY STABILITY

±30PPM
SHUNT CAPACITANCE 7PF max
AGING

±5PPM/YEAR
INSULATION RESISTANCE

>500MΩ at DC 100V

3. Dimension (mm)

H=4.0mm

Wing Shing Computer Components Co., (H.K.)Ltd. Tel:[phone] Fax:[phone]
Homepage: http://www.wingshing.com E-mail: [e-mail]

4. MECHANI

CAL SPECIFICATION

1) Terminal Strength

* Lead pulling test
Conditions: Load 907.2 gram
Direction To the downward
Duration of applied force 5 seconds
Results: There should be no distortion in appearance.

* Lead bending test
Conditions: Load 453.6 gram
Bending angle 90°to normal position
Rate of bending 3 seconds in each cycle
Number of bending 3
Results: There should be no distortion in appearance.

2) Lead solderability test

Conditions: Dipping in solder(+230℃±5℃)for 5 seconds
Results: More than 95% of surface being tested should be
coated uniformly with solder.

3) Vibration test

Conditions: Frequency 10 – 55Hz
Amplitude 0.762mm
Sweep 1.0 minute
Duration 2 hours
Results: Frequency and wave form of tested products must
Remain within specifications.

4) Drop test

Conditions: Method of drop Natural drop
Dropping floor Hard wood board
Height 30cm
Number of drops 3 times
Results: Frequency and wave form of tested products must

remain within specifications.