KDMG28008 Kingstate Electronics Corp., KDMG28008 Datasheet - Page 6

• Manufacturer Part Number: KDMG28008
• Description: LOUDSPEAKER, MICRO
• Manufacturer: Kingstate Electronics Corp.

Specifications of KDMG28008

• Transducer Function: Micro Dynamic Speaker
• Resonant Frequency: 520Hz
• External Width: 4mm
• Sound Level Spl: 91dB
• Sound Level Distance: 10cm
• Impedance: 8ohm
• Power Rating Rms: 0.2W
• Frequency Response Min: 520Hz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Standard Test Condition :
Judgement Test Condition
I. RELIABILITY TEST 信賴性試驗
TEST CONDITION.
J. PACKING STANDARD 包裝規格
No.
1
一般測試條件
爭議時測試條件:
Load test
連續負荷
Item
志豐電子股份有限公司 KINGSTATE ELECTRONICS CORP 6/6 KDMG28008
:
0.2W white noise is applied for 24 hours, at room temp.
在室溫下,輸入功率 0.2W, 白雜音連續操作 24 小時
a) Temperature : +5 ~ +35℃ b) Humidity : 45-85%
a) 溫度 : +5 ~ +35℃
a) Temperature : +25 ± 2℃
a) 溫度 : +25 ± 2℃
最下層放紙板
Spong
Tray
Tray
Carton Box
5x8=40PCS
Test conditions
350mmx240mmx25mm
355mmx242mmx300mm
b) 濕度 : 60-70%
b) 濕度 : 45-85%
b) Humidity : 60-70%
1x40PCS=40PCS
40PCSx25=1,000PCS
最上層加紙板
Carton Box
(25 LAYER)
c) Pressure : 860-1060mbar
c) 氣壓 : 860-1060mbar
c) Pressure : 860-1060mbar
c) 氣壓 : 860-1060mbar
Should not be audible at
Being placed for 1 hours at
+25℃, speaker shall be
measured. No obstacle to
be harmful to normal
operation; damages,
cracks, rusts, etc.
1.26V sine wave between
Fo ~ 6.5KHz. Fo should
meet initial one. S.P.L.
deviation of unit should be
within ±3dB
經測試後,靜置於+25℃
（室溫）環境中 1 小時後,測
試後無任何障礙防礙正常操
作.且在輸入 1.26V 正弦波從
Fo 到 6.5KHz 之間無異常
音.Fo 與原規格值相同,輸出
音壓變化量在±3dB 內.
Evaluation standard