部分SMD 蜂鸣器系列参数
来源：本站整理 作者：佚名 2008-05-18 15:15:07
|
|
----- PHOTO ----- |
------ ITEM ------ |
SM802A |
SM802B |
SM802C |
|
|
|
|
|
--- SM802A --- |
|
--- SM802C --- | |
RATED VOLTAGE-额定电压* |
3.7V |
|
|
| OPERATING VOLTAGE-电压范围 |
2.4V ~ 4.5V |
|
|
| RATED CURRENT (max) 消耗电流 |
max.90 mA |
|
|
| COLI RESISTANCE--线圈阻抗 |
16 ± 3 Ohms |
|
|
| SOUND PRESSURE LEVEL(min)-输出音压* |
min.85dB |
|
|
| RESONANT Frequency-谐振频率 |
2,700 Hz |
|
|
| OPERATING TEMPERATURE RAGE-操作温度 |
-30℃ to 70℃ |
|
|
| STORAGE TEMPERATURE RAGE-贮藏温度 |
-40℃ to 85℃ |
|
|
-*Duty 50% square wave --*The condition is take measurements (1) In the anechoIC.(2) At the distance of 10cm in front of sound output hole to the microphoneand (3) with the sound generator alone. | |
|
|
|
|
|
| ------ OUTLINE DRAWING -------- |
------ FREQUENCY CHARACTERISTICS ------ |
|
|
| | | | |
|
|
----- PHOTO ----- |
------ ITEM ------ |
SM803A |
SM803B |
SM803C |
|
|
RATED VOLTAGE-额定电压* |
3.0V |
|
|
| OPERATING VOLTAGE-电压范围 |
2.0V ~ 4.0V |
|
|
| RATED CURRENT (max) 消耗电流 |
max.80 mA |
|
|
| COLI RESISTANCE--线圈阻抗 |
20 ± 3 Ohms |
|
|
| SOUND PRESSURE LEVEL(min)-输出音压* |
min.90dB |
|
|
| RESONANT FREQUENCY-谐振频率 |
2,700 Hz |
|
|
| OPERATING TEMPERATURE RAGE-操作温度 |
-30℃ to 70℃ |
|
|
| STORAGE TEMPERATURE RAGE-贮藏温度 |
-40℃ to 85℃ |
|
|
-*Duty 50% square wave --*The condition is take measurements (1) In the anechoic.(2) At the distance of 10cm in front of sound output hole to the microphoneand (3) with the sound generator alone. | |
|
|
|
|
|
| ------ OUTLINE DRAWING -(UNIT:mm)------- |
------ FREQUENCY CHARACTERISTICS ------ |
|
|
| |
|
|
----- PHOTO ----- |
------ ITEM ------ |
SM804A |
SM804B |
SM804C |
|
|
RATED VOLTAGE-额定电压* |
5.0V |
|
|
| OPERATING VOLTAGE-电压范围 |
3.0V ~ 7.0V |
|
|
| RATED CURRENT (max) 消耗电流 |
max.80 mA |
|
|
| COLI RESISTANCE--线圈阻抗 |
32 ± 3 Ohms |
|
|
| SOUND PRESSURE LEVEL(min)-输出音压* |
min.92dB |
|
|
| RESONANT FREQUENCY-谐振频率 |
2,700 Hz |
|
|
| OPERATING TEMPERATURE RAGE-操作温度 |
-30℃ to 70℃ |
|
|
| STORAGE TEMPERATURE RAGE-贮藏温度 |
-40℃ to 85℃ |
|
|
-*Duty 50% square wave --*The condition is take measurements (1) In the anechoic.(2) At the distance of 10cm in front of sound output hole to the microphoneand (3) with the sound generator alone. | |
|
|
|
|
|
| ------ OUTLINE DRAWING -(UNIT:mm)------- |
------ FREQUENCY CHARACTERISTICS ------ |
|
|
| |
|
|
----- PHOTO ----- |
------ ITEM ------ |
SM903A |
SM903B |
SM903C |
|
|
RATED VOLTAGE-额定电压* |
3.0V |
|
|
| OPERATING VOLTAGE-电压范围 |
2.0V ~ 4.0V |
|
|
| RATED CURRENT (max) 消耗电流 |
max.70 mA |
|
|
| COLI RESISTANCE--线圈阻抗 |
16 ± 3 Ohms |
|
|
| SOUND PRESSURE LEVEL(min)-输出音压* |
min.85dB |
|
|
| RESONANT FREQUENCY-谐振频率 |
2,700 Hz |
|
|
| OPERATING TEMPERATURE RAGE-操作温度 |
-30℃ to 70℃ |
|
|
| STORAGE TEMPERATURE RAGE-贮藏温度 |
-40℃ to 85℃ |
|
|
-*Duty 50% square wave --*The condition is take measurements (1) In the anechoic.(2) At the distance of 10cm in front of sound output hole to the microphoneand (3) with the sound generator alone. | |
|
|
|
|
|
| ------ OUTLINE DRAWING -(UNIT:mm)------- |
------ FREQUENCY CHARACTERISTICS ------ |
|
|
| | |
|
|
关键词：
