CMHS-MS002 Datasheet, PDF (5/8 Pages) Shenzhen Luguang Electronic Technology Co., Ltd – Ceramic Resonator

CMHS-MS002
Ceramic Resonator
ITEM
5-8.
Solderability
5-9.
Resistance to Soldering
Heat
CONDITION & REQUIREMENT
End terminals are immersed in rosin for 5 seconds and then immersed in soldering
bath of 245±5℃ for 3±0.5 seconds.
⇒ 75% min. End terminals shall be wet with solder.
(1) Reflow
Following profile of heat stress is applied to resonator, then being place in natural
condition for 1 hour, resonator shall be measured.
Temperatrure(℃)
Peak Temperature 260℃ max.
260
225
Preheating
(in air)
170
Gradual Cooling
(in air)
(2) Soldering Iron
10sec. max.
30sec.
120~160sec.max.
120sec. max.
1. Preheating conditions shall be 150 to 170℃ for 120 to 160 seconds.
Ascending time up to 170℃ shall be longer than 30 seconds.
2. Heating conditions shall be within 10 seconds at 245℃ min., but peak
temperature shall be lower than 260℃.
Soldering iron of 300±5℃ shall be placed 0.5mm above from electrode of
resonator.Melting solder through soldering iron shall be applied to electrode for 3±1
seconds, then being place in natural condition for 24 hours, resonator shall be
measured.
⇒ The measured values shall meet Table 1.
MEASUREMENTS
Oscillating Frequency
TABLE 1
REQUIREMENTS
± 0.05% max.(from initial value)