KSSGJ4B20 Kingstate Electronics Corp., KSSGJ4B20 Datasheet - Page 5

• Manufacturer Part Number: KSSGJ4B20
• Description: MAGNETIC TRANSDUCER, SMD TYPE
• Manufacturer: Kingstate Electronics Corp.

Specifications of KSSGJ4B20

• Transducer Function: Buzzer
• Current Rating: 80mA
• Resonant Frequency: 2.73kHz
• Length: 8.5mm
• External Width: 8.5mm
• Sound Level Spl: 97dB
• Sound Level Distance: 5cm
• Coil Resistance: 20ohm
• Current Max: 80mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TEST CONDITION.
H. RELIABILITY TEST 信賴性測試
I. Recommended Temperature Profile For Reflow Oven 建議迴焊爐溫度曲線
No.
Standard Test Condition
Judgement Test Condition
1
溫
度
°C
Operating
一般測試條件
壽命測試
爭議時測試條件
life test
Item
志豐電子股份有限公司 KINGSTATE ELECTRONICS CORP 5/6
150°C
1.Continuous life test 高溫壽命測試(連續)
2.Intermittent life test 室溫壽命測試(間歇)
The part shall be subjected to 72 hours at +55℃ with 3.6V , 2730Hz
applied.
在+55℃環境下,輸入 3.6V , 2730Hz 連續操作 72 小時.
A duty cycle of 1 minute on, 1 minutes off, a minimum of 10000 times
at room temp.( +25±10℃) with 3.6V , 2730Hz applied.
在室溫下(+25±10℃), 輸入 3.6V , 2730Hz 通電 1 分鐘/斷電 1 分鐘,測試
10000 次循環.
SMT Reflow Temperature Profile (Pb_Free)
:
:
:
:
200°C
a) Temperature : +5 ~ +35℃ b) Humidity : 45-85%
a) 溫度 : +5 ~ +35℃
a) Temperature : +25 ± 2℃
a) 溫度 : +25 ± 2℃
60~180sec
217°C
Peak Temp
Time [sec]
Test condition
255°C
260°C
b) 濕度 : 60-70%
b) 濕度 : 45-85%
b) Humidity : 60-70%
60~150sec
KSSGJ4B20
c) Pressure : 860-1060mbar
c) 氣壓 : 860-1060mbar
c) Pressure : 860-1060mbar
c) 氣壓 : 860-1060mbar
After the test the part shall
meet specifications
with-out any degradation
in appearance and
performance except SPL.
after 4 hours at +25℃.
the SPL should be in
±10dBA compared with
initial one.
經測試後, 靜置於+25℃ （室
溫） 環境中 4 小時後,單體除
音壓外, 外觀及電氣特性
須符合規格. 輸出音壓變
化量須在±10dBA 內.
Evaluation standard
20~40 sec