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型号	下载订购	功能描述	制造商上传企业	LOGO
KA278R51C	文件：209.21 Kbytes Page：20 Pages	2A Output Low Dropout Voltage Regulators Description The KA278RXXC is a low-dropout voltage regulator suitable for various electronic equipments. It provides constant voltage power source with TO-220-4 lead full mold package. The dropout voltage of KA278RXXC is below 0.5V in full rated current(2A). This regulator has various functions s 文件：209.21 Kbytes 页数：20 Pages	FAIRCHILD 仙童半导体	FAIRCHILD
KA278R51CTU	文件：209.21 Kbytes Page：20 Pages	2A Output Low Dropout Voltage Regulators Description The KA278RXXC is a low-dropout voltage regulator suitable for various electronic equipments. It provides constant voltage power source with TO-220-4 lead full mold package. The dropout voltage of KA278RXXC is below 0.5V in full rated current(2A). This regulator has various functions s 文件：209.21 Kbytes 页数：20 Pages	FAIRCHILD 仙童半导体	FAIRCHILD
KA278R51CTU	文件：208.11 Kbytes Page：20 Pages	2A Output Low Dropout Voltage Regulators Description The KA278RXXC is a low-dropout voltage regulator suitable for various electronic equipment. It provides a constant voltage power source in a TO-220 4-lead full-mold package. The dropout voltage is below 0.5 V in full-rated current (2 A). This regulator has peak current protection, the 文件：208.11 Kbytes 页数：20 Pages	FAIRCHILD 仙童半导体	FAIRCHILD
KA278RA05	文件：78.49 Kbytes Page：8 Pages	Low Dropout Voltage Regulator (Fixed & Adjustable) Description The KA278RXXC is a low-dropout voltage regulator suitable for various electronic equipment. It provides a constant voltage power source in a TO-220 4-lead full-mold package. The dropout voltage is below 0.5 V in full-rated current (2 A). This regulator has peak current protection, the 文件：78.49 Kbytes 页数：8 Pages	FAIRCHILD 仙童半导体	FAIRCHILD
KA278RA05C	文件：208.11 Kbytes Page：20 Pages	2A Output Low Dropout Voltage Regulators Description The KA278RXXC is a low-dropout voltage regulator suitable for various electronic equipment. It provides a constant voltage power source in a TO-220 4-lead full-mold package. The dropout voltage is below 0.5 V in full-rated current (2 A). This regulator has peak current protection, the 文件：208.11 Kbytes 页数：20 Pages	FAIRCHILD 仙童半导体	FAIRCHILD
KA278RA05C	文件：209.21 Kbytes Page：20 Pages	2A Output Low Dropout Voltage Regulators Description The KA278RXXC is a low-dropout voltage regulator suitable for various electronic equipments. It provides constant voltage power source with TO-220-4 lead full mold package. The dropout voltage of KA278RXXC is below 0.5V in full rated current(2A). This regulator has various functions s 文件：209.21 Kbytes 页数：20 Pages	FAIRCHILD 仙童半导体	FAIRCHILD
KA278RA05CTU	文件：208.11 Kbytes Page：20 Pages	2A Output Low Dropout Voltage Regulators Description The KA278RXXC is a low-dropout voltage regulator suitable for various electronic equipment. It provides a constant voltage power source in a TO-220 4-lead full-mold package. The dropout voltage is below 0.5 V in full-rated current (2 A). This regulator has peak current protection, the 文件：208.11 Kbytes 页数：20 Pages	FAIRCHILD 仙童半导体	FAIRCHILD
KA278RA05CTU	文件：209.21 Kbytes Page：20 Pages	2A Output Low Dropout Voltage Regulators Description The KA278RXXC is a low-dropout voltage regulator suitable for various electronic equipments. It provides constant voltage power source with TO-220-4 lead full mold package. The dropout voltage of KA278RXXC is below 0.5V in full rated current(2A). This regulator has various functions s 文件：209.21 Kbytes 页数：20 Pages	FAIRCHILD 仙童半导体	FAIRCHILD
KA278RA05CYDTU	文件：209.21 Kbytes Page：20 Pages	2A Output Low Dropout Voltage Regulators Description The KA278RXXC is a low-dropout voltage regulator suitable for various electronic equipments. It provides constant voltage power source with TO-220-4 lead full mold package. The dropout voltage of KA278RXXC is below 0.5V in full rated current(2A). This regulator has various functions s 文件：209.21 Kbytes 页数：20 Pages	FAIRCHILD 仙童半导体	FAIRCHILD
KA278RA05CYDTU	文件：208.11 Kbytes Page：20 Pages	2A Output Low Dropout Voltage Regulators Description The KA278RXXC is a low-dropout voltage regulator suitable for various electronic equipment. It provides a constant voltage power source in a TO-220 4-lead full-mold package. The dropout voltage is below 0.5 V in full-rated current (2 A). This regulator has peak current protection, the 文件：208.11 Kbytes 页数：20 Pages	FAIRCHILD 仙童半导体	FAIRCHILD

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替换型号

技术参数

Status：
可购买
RoHS：
Yes
Print width[mm]：
24.0
Resolutions[dpi]：
203
Resistance variation[Ω]：
123.0
Logic voltage[V]：
2.70 to 5.25
Number of dot[dots]：
192
Platen diameter(Max.)[mm]：
14.0
Print speed[mm/s]：
50
Supply voltage[V]：
7.2
Heat sink：
No
Abrasion life[km]：
30
Pulse life[million pulses]：
50

供应商	型号	品牌	批号	封装	库存	备注	价格
深圳市海天鸿电子科技有限公司	KA239DTF	SAMSUNG	1716+	SOP	7500	只做原装进口,假一罚十	询价
深圳市华来深电子有限公司	KA2311	SAMSUNG	23+	DIP16	8560	受权代理!全新原装现货特价热卖!	询价
深圳诚思涵科技有限公司	KA278RA05CTU	Fairchild(飞兆/仙童)	18+		9800	代理进口原装/实单价格可谈	询价
君宇国际实业有限公司	KA2500N	三星	05+		100	原装正品	询价
中天科工半导体（深圳）有限公司	KA2142	FAIRCHILD/仙童	20+		36800	原装优势主营型号-可开原型号增税票	询价
深圳市正迈科技有限公司	KA2904DTF	FSC/ON	23+	原包装原封 □□	9410	原装进口特价供应特价，原装元器件供应，支持开发样品更多详细咨询库存	询价
深圳市佳鑫美电子科技有限公司	KA278R12TU	FCS	25+	TO-220F4	2987	只售原装自家现货!诚信经营!欢迎来电!	询价
洪芯国际半导体（深圳）有限公司	KA2902DTF	FAIRCHILD	26+	SOP14	86720	全新原装正品价格最实惠假一赔百	询价
讯运(深圳/上海)电子有限公司	KA2807MUX	onsemi(安森美)	2021+	Micro8	499		询价
深圳市正纳电子有限公司	KA2198BD	SAMSUNG(三星)	23+	NA	20094	原装正品可支持验货，欢迎咨询	询价

更多KA2供应商更新时间2026-2-2 15:10:00

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