压电SMD贴片蜂鸣器SMPT12S400
信息编号：2939374 浏览：98次
- 供应商
- 盈福电子（深圳）有限公司 商铺
- 认证
- 报价
- 请来电询价
- 品牌
- ringford
- 型号
- SMPT12S400
- 所在地
- 深圳市南山区西丽镇王京坑村87号A栋301（注册地址）
- 联系电话
- 86-0755-26582048
- 手机号
- 13714439174
- 联系人
- 刘晏 请说明来自顺企网，优惠更多
- 让卖家联系我
产品详细介绍
specifications for piezo transducer
1.scope
this specification is applied to piezo transducer.
the products described below are used for sounder in various alarm systems.
2.basic condition
2.1 operating voltage: 1.0—25.0vp-p
2.2 operating temperature range: -20—+80℃
2.3 storage temperature range:-30—+85℃
3.electrical characteristics
3.1 specification
3.1.1output spl:≥80db at 10cm , 4000hz,5.0vp-p
3.1.2consumption current:≤2.0ma : at5.0vp-p
3.1.3resonant frequency: 4000±500hz
3.1.4capacitance: 15000±30%pf at 120hz
3.2 measuring method
3.2.1 measuring circuit for spl, consumption current, resonant frequency
input signal:5.0vp-p, 4000hz,
s.g: signal generator ma: milliammeter amp: amplifier
mic: measuring condenser microphone dsp: display screen
3.2.2 capacitance measuring: lcr meter
3.2.3 measuring condition
temperature: 15—35℃ r.h. 45—75%
3.2.4 judgement condition
temperature : 25±2℃r.h. 45—75%
本产品的加工定制是是，品牌是ringford，型号是SMPT12S400，种类是蜂鸣器(片)，驱动方式是压电式(晶体式)，是否有源是无源，规格尺寸是12*12*3（mm）