JIANGSU HD-CRYSTAL TECHNOLOGY CO., LTD
SMD3225-4 Crystal Resonator
7B027000M01
1.
Scope:
1.1 This specification applies to the RoHS
compliance quartz crystal unit with a frequency of 27MHz which will be used in
crystal oscillator applications.
2.
Construction:
2.1 Type of Quartz Resonator: SMD3225-4pads
3.
Electrical Characteristics
3.1 Nominal Frequency(f):
27MHz
3.2 Load Capacitance(CL):
12pF
3.3 Frequency Tolerance(△f/f):
±10ppm
3.4 Frequency Temperature Stability:
±20ppm
3.5 Resonance Resistance(ohm):
25 ohms Max
3.6 Osc mode:
Fundamental mode
3.7 Shunt Capacitance(C0):
2pF Max
3.8 Drive Level(DL):
100μW Max
3.9 Operating Temperature Range(TOPR):
-20 to + 70°C
3.10 Storage Temperature Range(TSTG):
-55 to + 125°C
3.11 Insulation Resistance(IR):
>500M ohms
3.12 Aging(△fA):
±3ppm/Year Max
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1
Rev . 1. 1
Reliability Specification
Item
Condition
Free drop from 75cm height on a hard wooden
1.
Drop characteristics
board for 3 times. (Board is thickness more than
30 mm.)
2
Mechanical shock
Device are shocked to half sine wave (1000g)
three mutually perpendicular axes each 3 times
Shake frequency 10~55Hz, cyc1~2 minutes,
3.
Shake characteristics
swing 1.5mm, direction x/y/z, all 30 minutes, test
after 1 hours.
Humidity
4.
5.
6.
characteristics
Low temperature
characteristics
High temperature
characteristics
7.
Temperature cycling
8.
Refluence
examination
+40±2℃ & 90%~95% R.H. 250 hours
Standard
Frequency change:≤±5ppm
Rr as specification
Frequency change:≤±5ppm
Rr as specification
Frequency change:≤±5ppm
Rr as specification
Frequency change:≤±5ppm
Rr as specification
-40±2℃, 250 hours, put in room temperature,
Frequency change:≤±5ppm
test after 1 hours.
Rr as specification
+85±2℃, 250 hours, put in room temperature,
Frequency change:≤±5ppm
test after 1 hours.
Rr as specification
-30±3℃/30±3 min~+85±2℃/30±3min,
Frequency change:≤±5ppm
5 cycles
Rr as specification
Frequency change:≤±5ppm
Rr as specification
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2
Rev . 1. 1
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3.20 ± 0.10
3
1
2
GND
4
3
2.50 ± 0.10
4
1
2
3
4
0.70 MAX
2
GND
Internal View Connection
0.65 ± 0.10
1.2±0.10
0.7±0.10
0.9± 0.10
1
CRYSTAL
GND
CRYSTAL
GND
Units:mm
Bottom View
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0.8
1.4
1.2
1.2
1.4
Units:mm
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3
Rev . 1. 1
Packing Specification
Qty:3000Pcs
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com
4
Rev . 1. 1
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