Sierra Wireless HL7748 사용자 설명서
41110555
Rev 1.0
September 21, 2017
46
Product Technical Specification
Reliability Specification (TBC)
Designation
Condition
Component Solder Wettability
CSW
CSW
Standard: JESD22 – B102, Method 1/Condition C, Solderability Test
Method
Method
Special conditions:
•
Test method: Dip and Look Test with Steam preconditioning 8
h+/-15min. dip for 5 +0/-0.5 seconds
h+/-15min. dip for 5 +0/-0.5 seconds
Operating conditions: Un-powered
Duration: 1 day
Moist Heat Cyclic Test
MHCT
MHCT
Standard: IEC 60068-2-30, Test Db
•
Special conditions:
•
Upper temperature: +40 ± 2°C
•
Lower temperature: +25 ± 5°C
•
RH:
Upper temperature: 93%
Lower temperature: 95%
•
Number of cycles: 21 (1 cycle/24 hours)
•
Temperature Variation: 3 +/- 0.6°C/min
Operating conditions: Powered ON for 15 minutes during each 3 hours
ramp up and 3 hours ramp down (in middle) for every cycle
ramp up and 3 hours ramp down (in middle) for every cycle
Duration: 21 days
6.2.4.
Thermal Resistance Cycle Stress Tests
The following tests the AirPrime HL77xx modules’ resistance to extreme temperature cycling.
Table 42.
Thermal Resistance Cycle Stress Tests
Designation
Condition
Thermal Shock Test
TSKT
TSKT
Standard: IEC 60068-2-14, Test Na
Special conditions:
•
Temperature: -30°C to +80°C
•
Temperature Variation: less than 30s
•
Number of cycles: 600
•
Dwell Time: 10 minutes
Operating conditions: Un-powered
Duration: 9 days
Temperature Change
TCH
TCH
Standard: IEC 60068-2-14, Test Nb
Special conditions:
•
Temperature: -40°C to +90°C
•
Temperature Variation: 3 +/- 0.6°C/min
•
Number of cycles: 400
•
Dwell Time: 10 minutes
Operating conditions: Un-powered
Duration: 29 days