Typical 11.2x 4.65x 10.0mm Glass seal SMD crystal
Electrical Parameters
|
ITEM
|
Symbol
|
Specifications
|
Remark
|
|
Holder
|
|
HC-M49SJ
|
|
|
Mode of Oscillation
|
|
△Fundamental
△3 Overtone △5 Overtone
|
|
Frequency
|
FL
|
3.579~70.0
|
MHz
|
|
|
Load Capacitance
|
CL
|
5~32
|
Pf
|
|
|
Frequency Tolerance
|
TOL
|
±10~±45
|
PPM
|
At 25℃±3℃
|
|
Storage Temperature Range
|
TR
|
-20 to 70
|
℃
|
|
|
Freq Temp Characteristics
|
TC
|
±50
|
PPM
|
Working temperature△F
|
|
Series Resista
ce
|
Rs
|
50
|
Ω
|
FDLD<10ppm
DLD2=30% ESR
RDLD2=ESR
|
|
Drive Level
|
DL
|
100
|
uW
|
Max
|
|
SPDB
|
＜ -3dB (From F0-200KHz to F0+400KHz）
|
|
Shunt Capacitance
|
Co
|
7
|
PF
|
|
|
Storage Temperature Range
|
|
-40 to 85
|
℃
|
|
|
Insulator Resistance
|
|
500
|
MΩ
|
Min
|
|
Aging Rate
|
△f/f
|
±5
|
ppm/yr
|
Max
|
|
Measure Circuit
|
r
|
S&A 250B
|
|
TT network
|
Dimensions
Reflow
|
Profiles Feature
|
High-Pb Assembly
|
|
Average
Ramp-up Rate (Ts max to Tp)
|
3℃/second max.
|
Preheat
■ Temperature Min
(Ts min)
■ Temperature
Max (Ts max)
■ Time (ts
min to ts max)
|
140℃
180℃
70~100 seconds
|
Time
maintained above
■ Temperature
(TL)
■ Time
(tL)
|
240℃
20~50 seconds
|
|
Peak/Classification
Temperature (Tp)
|
250℃
|
Time
within 5℃ of actual
Peak
Temperature (tp)
|
7~8 seconds
|
|
Ramp-down
rate
|
6℃/second max.
|
|
Time
25℃ to Peak Temperature
|
6 minutes max.
|
FAQ:
1. How does A-Crystal support:
Free samples ,crystal match test, OEM,Reliability test report,8D report,RoHS
substances,REACH substances
2. What’s acrystal have Certificate:
iso 9001 quality management[9001 iso 2015], ISO14001
3. How many Production patents that
acrystal have: 16pcs
4. What’s Payment terms : T/T in
advance
5. Which Support express : DHL,
UPS, TNT, FedEx
6. What’s the monthly capacity for
32.768 oscillators:1kk
7. What’s the MOQ/Standard packing
quantity:3k per reel( acrystal 32.768)
8. How long the Lead Time for the
32.768 khz clock oscillator :3days-14days
9. What is the lead time for the
crystal series products:
|
Series Product
|
Quartz crystal size
|
Lead Time
|
|
HC49 Series
|
HC-49SMD,HC-49S,HC-49U
|
1-2 weeks
|
|
SMD quartz
Crystals
|
2012/2016/2520/3225/5032/6035/7050/8045
|
1-4 weeks
|
|
SMD crystal Oscillators
|
2016/2520/3225/5032/7050
|
1-3 weeks
|
|
TCXO
|
2520/3225/5032
|
2-5 weeks
|
|
SMD Watch/tuning
fork Crystals
|
PSX315/PSX415/PSX519/PMX145/PMX206/PMX206F/PMX206FA/PMX405/PMX406
|
1-2 weeks
|
|
VCXO
|
2520/3225/5032
|
2-5weeks
|
|
TCVCXO
|
2520/3225/5032
|
2-5weeks
|
|
DIP Watch/tuning
fork Crystals
|
DT206/DT308
|
1-2weeks
|
|
ZTA/ZTT Series
|
ZTTCC/ZTACC/
|
1-2weeks
|
10.Free crystal samples and shipment fee ?
We
would like to support you the 20pcs free quartz crystals samples[no free
samples for oscillators and TCXO,VCXO, and VCTCXO]. We request customers to pay
the shipping fees.
11.Crystal and oscillator parameters?
|
SMD or DIP
|
Crystal package
size[mm]
|
2pads ,3pads or
4pads...
|
|
Frequency: GHz,MHz or KHz
|
frequency tolerance[ppm]
|
frequency charactristics over temperature[ppm]
|
|
load capacitance[pF]
|
operating temperature[℃]
|
resistance(ESR)[Ω/㏀]
|
|
Supply Voltage[V]
|
Output type
|
application
|
12.What is the ACrystal material sources?
|
Crystal Bar
|
China
|
|
Base
|
NEC (Japan)
|
|
Outer covering
|
NEC (Japan)
|
|
Resin
|
HENKEL (Germany)
|
|
High-temperature
crystal
|
KDS (Japan)
|
