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图片源于供应商或网络,实物可能存在差异,请以实物为准

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产品参数

产品属性	属性值
商品目录	蜂鸣器
驱动方式	无源(外部驱动)
构造类型	压电式
工作电压	3V~28V
频率	2.5kHz
工作电流	15mA
声压(SPL)	90dB
直径	30mm
长度	-
宽度	-
高度	16mm
工作温度	-20℃~+70℃

PDF描述：压电蜂鸣器指示灯，内部驱动 40mA 2kHz 85dB @ 16V，61cm 面板安装端接块，导线引线

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SELECT * FROM `stock_price` WHERE `stockid` = 32210276 ORDER BY `minOrder` ASC [ RunTime:0.000493s ]
CONNECT:[ UseTime:0.001074s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com_pdf;charset=utf8
select * from pdf where partno='sce028ld2vc4b' and brandshort='mallory sonalert' limit 1 [ RunTime:0.000898s ]
SHOW FULL COLUMNS FROM `stock_product_overview` [ RunTime:0.001228s ]
SELECT `memo` FROM `stock_product_overview` WHERE `icName` = 'sce028ld2vc4b' LIMIT 1 [ RunTime:0.000401s ]
SHOW FULL COLUMNS FROM `pdf` [ RunTime:0.002451s ]
SELECT `id`,`partno`,`note`,`note_cn` FROM `pdf` WHERE `partno` = 'sce028ld2vc4b' LIMIT 1 [ RunTime:0.000769s ]
SHOW FULL COLUMNS FROM `stock_pra_lib` [ RunTime:0.001158s ]
SELECT `pra` FROM `stock_pra_lib` WHERE ( ( `partno` = 'sce028ld2vc4b' OR `brand` LIKE 'mallory sonalert%' ) ) LIMIT 1 [ RunTime:0.001467s ]
SHOW FULL COLUMNS FROM `icreplace` [ RunTime:0.001163s ]
SELECT `r`.*,`b`.`brandshort`,`b`.`brandcn` FROM `icreplace` `r` LEFT JOIN `stock_brand` `b` ON `b`.`id`=`r`.`icbrandid` WHERE `r`.`partno` = 'sce028ld2vc4b' ORDER BY `r`.`id` DESC LIMIT 5 [ RunTime:0.000579s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `categoryid` = 0 AND ( `partno` > 'sce028ld2vc4b' ) ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.003506s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `status` = 3 ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.000794s ]

0.247232s

sce028ld2vc4b

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总价金额： ￥ 3500.9916

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PDF描述： 压电 蜂鸣器 指示灯，内部驱动 40mA 2kHz 85dB @ 16V，61cm 面板安装 端接块，导线引线

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总价金额：￥ 3500.9916

PDF描述：压电蜂鸣器指示灯，内部驱动 40mA 2kHz 85dB @ 16V，61cm 面板安装端接块，导线引线