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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

mss300r

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单价

总价

¥ 722.011817

10+

¥ 567.748558

¥ 5677.48558

25+

¥ 536.839878

¥ 13420.99695

500+

¥ 420.675535

¥ 210337.7675

1000+

¥ 387.619122

¥ 387619.122

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总价金额：￥ 722.011817

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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： 8 Ohms 通用扬声器 250 mW 1 kHz ~ 4 kHz 顶部八边形

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select * from pdf where partno='mss300r' and brandshort='mallory sonalert' limit 1 [ RunTime:0.166609s ]
SHOW FULL COLUMNS FROM `stock_product_overview` [ RunTime:0.002456s ]
SELECT `memo` FROM `stock_product_overview` WHERE `memo` LIKE '%mss300r%' LIMIT 1 [ RunTime:1.245807s ]
SHOW FULL COLUMNS FROM `pdf` [ RunTime:0.003024s ]
SELECT `id`,`partno`,`note`,`note_cn` FROM `pdf` WHERE `partno` = 'mss300r' LIMIT 1 [ RunTime:0.066458s ]
SHOW FULL COLUMNS FROM `stock_pra_lib` [ RunTime:0.002801s ]
SELECT `pra` FROM `stock_pra_lib` WHERE ( ( `partno` = 'mss300r' OR `brand` LIKE 'mallory sonalert%' ) ) LIMIT 1 [ RunTime:0.091762s ]
SHOW FULL COLUMNS FROM `icreplace` [ RunTime:0.010542s ]
SELECT `r`.*,`b`.`brandshort`,`b`.`brandcn` FROM `icreplace` `r` LEFT JOIN `stock_brand` `b` ON `b`.`id`=`r`.`icbrandid` WHERE `r`.`partno` = 'mss300r' ORDER BY `r`.`id` DESC LIMIT 5 [ RunTime:0.098836s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `categoryid` = 0 AND ( `partno` > 'mss300r' ) ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.142486s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `status` = 3 ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.074646s ]

2.779258s

mss300r

购买数量

总价金额： ￥ 722.011817

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产品参数

PDF描述： 8 Ohms 通用 扬声器 250 mW 1 kHz ~ 4 kHz 顶部 八边形

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总价金额：￥ 722.011817

PDF描述： 8 Ohms 通用扬声器 250 mW 1 kHz ~ 4 kHz 顶部八边形