SMD贴片式蜂鸣器
SMD-050020F
规格尺寸：5*5*2（mm）
GPS行车记录仪、血氧仪等医疗设备用
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可测试范围
RELIABILITYTEST
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NO.
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ITEM
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TEST CONDITION AND REQUIREMENT
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1
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High Temperature
Test (Storage)
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After being placed in a chamber with 80ï2ºC for 96 hours and then
being placed in normal condition for 2 hours.
Allowable variation of SPL after test: ï10dB.
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2
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Low Temperature
Test (Storage)
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After being Placed in a chamber with -30ï2ºC for 96 hours and then
being placed in normal condition for 2 hours.
Allowable variation of SPL after test: ï10dB.
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3
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Humidity Test
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After being Placed in a chamber with 90-95% R.H. at 40ï2ºC for 96
hours and then being placed in normal condition for 2 hours.
Allowable variation of SPL after test: ï10dB.
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4
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Temperature Cycle
Test
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The part shall be subjected to 5 cycles. One cycle shall be consist of：
Allowable variation of SPL after test: ï10dB.
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5
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Drop Test
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Drop on a hard wood board of 4cm thick, any directions ,6 times,
at the height of 75cm .
Allowable variation of SPL after test: ï10dB.
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6
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Vibration Test
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After being applied vibration of amplitude of 1.5mmwith 10 to 55 Hz
band of vibration frequency to each of 3 perpendicular directions for
2 hours .
Allowable variation of SPL after test: ï10dB.
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7
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Solderability
Test
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Lead terminals are immersed in rosin for 5 seconds and then
immersed in solder bath of +300ï5ºC for 3ï1 seconds .
90% min. lead terminals shall be wet with solder
(Except the edge of terminals).
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8
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Terminal Strength
Pulling Test
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The force of 9.8N(1.0kg) is applied to each terminal in axial direction for
10 seconds.
No visible damage and cutting off.
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TEST CONDITION.
Standard Test Condition : a) Temperature : +5 ~ +35℃ b) Humidity : 45-85% c) Pressure : 860-1060mbar
一般测试条件 : a) 温度: +5 ~ +35℃ b) 湿度: 45-85% c) 气压: 860-1060mbar
Judgment Test Condition : a) Temperature : +25 ± 2℃ b) Humidity : 60-70% c) Pressure : 860-1060mbar
争议时测试条件 : a) 温度: +25 ± 2℃ b) 湿度: 60-70% c) 气压: 860-1060mbar
