100pcs/lot HC-49S Crystal Oscillator 4MHz 4 MHz 4M Hz Mini Passive Resonator Quartz
Technical Specifications:
- HC-49S Crystal Oscillator 4MHz 4 MHz 4M Hz Mini Passive Resonator QuartHold Type: HC-49US
- Nominal Freq.:3.2-90MHz
- Frep. Tolerance: +-20PPM(-20~70Degrees Celsius)
- Operating Temp:-20~70 Degrees Celsius
- Oscillate Mode:FUNDMENTAL
- Shunt Capacitance:7pf Max
- Drive Level:50UW
- Load Capacitance:12PF
- Aging in a year:3ppm
- Rr:120ohm Max
- Ins.Resistance:500Mohm Min/DC100V
Mechanical and environmental performance:
1) free fall (impact)
From 75cm height free fall to 30mm thick hard board, fell three times, in line with technical specifications.
2) Sealing: the resonator immersed in alcohol pressure 5kg / cm2, time five minutes, remove the test pin and the insulation resistance between the base> 600Mohm (DC100V)
3) Solderability: from the end of the pin to the bottom of 2 ~ 2.5mm placed 235 degrees Celsius +5 degrees Celsius in the weld, the time 2 + -0.5 seconds, tin surface> 90%, in line with technical specifications.
4) vibration resistance: vibration frequency 10 ~ 55Hz, amplitude 1.5mm, along the X / Y / Z direction of the vibration after 2 hours of testing, in line with technical specifications, no mechanical damage.
Test:
1) Test conditions: test temperature of 25 degrees Celsius (+-3 degrees Celsius)
2) test equipment: KH-1200 network analysis equipment
HC-49S Crystal Oscillator 4MHz 4 MHz 4M Hz Mini Passive Resonator Quartz