TF38 Shoulder Electronics, TF38 Datasheet - Page 5

• Manufacturer Part Number: TF38
• Description: Crystal Resonator Tf38
• Manufacturer: Shoulder Electronics

6. PACKAGE
1000pcs/bag
5000pcs/box （175*120*65）
100000pcs/big box (300*180*600)
Http://www.shoulder.cn
10) Temperature Cycle
11)
7)
8) Low Temperature Endurance
9) Low Temperature Endurance
Salt Spray Test
High Temperature Endurance
Conditions:
Conditions: Put the crystal units in the salt spray room(salt density:5%)at the
Conditions:
Conditions: The crystal units shall be put in somewhere for 2 hours at
Results:
Conditions: somewhere at 40℃ in relative humidity of 90-95% for 48
Results:
Results:
Results: Frequency Change: ±10ppm Max.
Results: The appearance shall has no abnormity and soldering is good.
Results:
temperature of 35℃ for 96 hours. Then clean it with water and
dry its surface.
Frequency Change: ±10ppm Max.
Resistance Change: ±10% or 5kohm Max.
Frequency Change: ±10ppm Max.
Resistance Change:±15% or 5kohm Max.
temperature of -25℃,then keep it for 1 to 2 hours under room
temperature
Resistance Change: ±15% or 5kohm Max.
Resistance Change: ±15% or 5kohm Max.
minutes),satisfy
minutes),then go up to room temperature for 5 cycles
Resistance Change: ±15% or 5kohm Max.
The crystal units shall be put in somewhere for 2 hours at
Frequency Change:±10ppm Max.
Frequency Change: ±10ppm Max.
Temperature shift from low(-40℃) to high(100℃,keep 30
hours, then keep it for one or two hours under room
temperature
and bend the crystal lead 90° with 0.45kg power and two
times （which you want to bend should be more than 1.5mm
from the case)
The crystal lead is not abnormity
temperature of 85℃±2℃,then keep it for 1 to 2 hours under
room temperature
Page: 5
high(100 ℃ )
SHOULDER ELECTRONICS LIMITED
to
low(-40 ℃ ,keep
30