Littelfuse, Inc.- 按钮开关

Littelfuse, Inc.（力特）创立于1927年，总部位于美国伊利诺伊州芝加哥市，是全球电路保护、功率控制和传感技术领域的领先企业。公司产品几乎覆盖所有用电市场，包括汽车、工业设备、消费电子和商用车辆等核心领域。其核心产品线以业界最深最广的电路保护器件著称，涵盖汽车用片式保险丝（如ATO、Mini、Maxi系列）、可复位聚合物正温度系数器件（PolySwitch系列）、金属氧化物压敏电阻（MOV）、瞬态电压抑制二极管（SPA及SMBJ系列）以及静电放电保护阵列等。Littelfuse还不断拓展功率半导体业务，提供碳化硅MOSFET、整流器和栅极驱动器，同时拥有应用于汽车行业的机电传感器，如干簧开关和霍尔效应速度传感器。公司已将业务延伸至商用车辆用重型开关、矿用配电中心以及船用发电机控制与保护设备等邻近市场。凭借数十年的技术沉淀和持续研发投入，Littelfuse在全球电路保护市场稳居前列，以可靠性和创新力著称。其产品在高压工业系统到微型消费电子等各类严苛场景中，均对保障安全与性能起着至关重要的作用。公司在全球设有制造、销售和工程服务网络，为多元化客户群提供本地化解决方案。Littelfuse在纳斯达克上市（代码LFUS），通过战略性收购和产品线扩张持续巩固行业地位。

按钮开关 - 型号列表

共 39 个型号

制造商零件编号	库存	价格	标准包装数量	电路	安装类型	端接样式	类型	开关电压	开关电流	平均正向功率	包装方式	磁铁材料	必须动作（继电器术语，指必须吸合）	RoHS	其他名称	汽车级	无铅定义	输出电流	供电电压	长度	触头类型	技术	最小起订量	交货时间	单位包装	子类别	产品类别	工厂包装数量	欧盟RoHS	标准	材料阻燃等级	额定电压	开关功能	最大额定电流	绝缘电阻	最小输入电压	触点额定值 @ 电压	深度	高度	材料（通用）	触点形式	致动器类型	端子类型	行程角度	连接器类型	接触镀层	触头材料	壳体材料	总长度	框架材料	面板后深度	位数	衬套/护套类型	开关驱动电平	典型触点布局	外壳与棱镜材料	系列	钥匙类型	应用	行业别名	其他规格	应用细节	键可移除位置
6 Y101132V203NQ Switch Key Lock SPDT 90° Tubular Key 4A 250VAC 28VDC Solder Lug Panel Mount Switchlocks SWITCHLOCK SPDT SOLDER LUG 125V Keylock Switches SP SOLDER SS 90deg Switch,Keylock;SP;250VAC;2A;KeypullPOS1;Solderlug C & K 2位置钥匙开关, SP, 4 A电流, 平面钥匙, 焊接接端 Littelfuse, Inc.	-		Bulk	SPDT	Panel Mount	Solder Lug	Tumbler Lock	-	-	-	-	-	-	Lead free / RoHS Compliant	-	-	-	-	-	-	-	-	100	84 Days	1	Switch KeyLock	Keylock Switches	1	Compliant	ULRecognized,CSACertified	UL 94 V-0	28 V	ON - OFF	4@125VAC 28VDC A	10Gigaohms(Min.)	250@(CSA/UL) V	4A @ 125VAC	21.97	34.29	ZincAlloywithStainlessSteelFacing(Lock)	SPDT	Tubular Key	Solder Lug	90°	焊接	Silver	Copper	Zinc Alloy	21.97	Brass	23.65mm	2	圆形	SPDT	SP	N/A/(Glass/Polyester)	Y	Tubular Key	销售点终端，收银机，计算机	Y101132V203NQ	90 deg	Pointofsaleterminals,cashregisters,computers	1 only
5 MDSM-10R-20-25 SWITCH REED SPST 20-25AT 200V REED 1NO 10mmglass SMT AT20-25 Littelfuse Inc	1982	12: ¥7.9907	3,000	SPST-NO	PCB, Surface Mount	Gull Wing	Glass Body	200V	500mA	10W	Tape & Reel (TR)	Not Specified	20 ~ 25AT	Lead free / RoHS Compliant	HE564DKR	NO	RoHS-conform	0.5 A	200 V[DC]	15.62 mm	1	SMT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
3 MDSM-4R-12-18 SWITCH REED MAG SMT 12-18AT 200V REED 1NO 15mmglass SMT AT12-18 Littelfuse Inc	155151	1: ¥5.032	3,000	SPST-NO	PCB, Surface Mount	Gull Wing	Glass Body	200V	500mA	10W	Tape & Reel (TR)	Not Specified	12 ~ 18AT	Lead free / RoHS Compliant	-	NO	RoHS-conform	0.5 A	200 V[DC]	19.32 mm	1	SMT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MDSM-10R-10-25 SWITCH REED SPST 10-25AT 200V Littelfuse Inc	2400	7: ¥10.351	3,000	SPST-NO	PCB, Surface Mount	Gull Wing	Glass Body	200V	500mA	10W	Tape & Reel (TR)	Not Specified	10 ~ 25AT	Lead free / RoHS Compliant	HE662TR	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MDSM-4R-17-23 SWITCH REED MAG SMT 17-23AT 200V Littelfuse Inc	2685	9: ¥8.5007	3,000	SPST-NO	PCB, Surface Mount	Gull Wing	Glass Body	200V	500mA	10W	Tape & Reel (TR)	Not Specified	17 ~ 23AT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MDSM-4R-17-28 SWITCH REED MAG SMT 17-28AT 200V Littelfuse Inc	2000	10: ¥12.4365	3,000	SPST-NO	PCB, Surface Mount	Gull Wing	Glass Body	200V	500mA	10W	Tape & Reel (TR)	Not Specified	17 ~ 28AT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MDSM-4R-22-28 SWITCH REED MAG SMT 22-28AT 200V Littelfuse Inc	3000	10: ¥4.4628	3,000	SPST-NO	PCB, Surface Mount	Gull Wing	Glass Body	200V	500mA	10W	Tape & Reel (TR)	Not Specified	22 ~ 28AT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MDSM-4R-27-33 SWITCH REED MAG SMT 27-33AT 200V Littelfuse Inc	3000	10: ¥4.4628	3,000	SPST-NO	PCB, Surface Mount	Gull Wing	Glass Body	200V	500mA	10W	Tape & Reel (TR)	Not Specified	27 ~ 33AT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MDSM-10R-15-20 SWITCH REED SPST 15-20AT 200V Littelfuse Inc	3036	7: ¥8.9114	3,000	SPST-NO	PCB, Surface Mount	Gull Wing	Glass Body	200V	500mA	10W	Tape & Reel (TR)	Not Specified	15 ~ 20AT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MDSM-4R-12-23 SWITCH REED MAG SMT 12-23AT 200V Littelfuse Inc	3000	1: ¥10.472	3,000	SPST-NO	PCB, Surface Mount	Gull Wing	Glass Body	200V	500mA	10W	Tape & Reel (TR)	Not Specified	12 ~ 23AT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MDSM-4B-17-23 SWITCH REED MAG SMT 17-23AT 200V Littelfuse Inc	1000	1: ¥13.056	100	SPST-NO	PCB, Surface Mount	Gull Wing	Glass Body	200V	500mA	10W	Bulk	Not Specified	17 ~ 23AT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MDSM-4B-22-28 SWITCH REED MAG SMT 22-28AT 200V Littelfuse Inc	990	1: ¥13.056	100	SPST-NO	PCB, Surface Mount	Gull Wing	Glass Body	200V	500mA	10W	Bulk	Not Specified	22 ~ 28AT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MDSM-4B-27-33 SWITCH REED MAG SMT 27-33AT 200V Littelfuse Inc	970	1: ¥13.056	100	SPST-NO	PCB, Surface Mount	Gull Wing	Glass Body	200V	500mA	10W	Bulk	Not Specified	27 ~ 33AT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MDSM-4B-32-38 SWITCH REED MAG SMT 32-38AT 200V Littelfuse Inc	978	1: ¥13.056	100	SPST-NO	PCB, Surface Mount	Gull Wing	Glass Body	200V	500mA	10W	Bulk	Not Specified	32 ~ 38AT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MDSM-10B-10-15 SWITCH REED SPST 10-15AT 200V Littelfuse Inc	939	1: ¥14.348	100	SPST-NO	PCB, Surface Mount	Gull Wing	Glass Body	200V	500mA	10W	Bulk	Not Specified	10 ~ 15AT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MDSM-10B-10-25 SWITCH REED SPST 10-25AT 200V Littelfuse Inc	995	1: ¥14.348	100	SPST-NO	PCB, Surface Mount	Gull Wing	Glass Body	200V	500mA	10W	Bulk	Not Specified	10 ~ 25AT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MDSM-10B-15-20 SWITCH REED SPST 15-20AT 200V Littelfuse Inc	995	1: ¥14.348	100	SPST-NO	PCB, Surface Mount	Gull Wing	Glass Body	200V	500mA	10W	Bulk	Not Specified	15 ~ 20AT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MDSM-10B-20-25 SWITCH REED SPST 20-25AT 200V Littelfuse Inc	1000	1: ¥14.348	100	SPST-NO	PCB, Surface Mount	Gull Wing	Glass Body	200V	500mA	10W	Bulk	Not Specified	20 ~ 25AT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MDSM-4B-12-28 SWITCH REED MAG SMT 12-28AT 200V Littelfuse Inc	-		100	SPST-NO	PCB, Surface Mount	Gull Wing	Glass Body	200V	500mA	10W	Bulk	Not Specified	12 ~ 28AT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MDSM-4B-12-38 SWITCH REED MAG SMT 12-38AT 200V Littelfuse Inc	-		100	SPST-NO	PCB, Surface Mount	Gull Wing	Glass Body	200V	500mA	10W	Bulk	Not Specified	12 ~ 38AT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

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Littelfuse, Inc.- 按钮开关

按钮开关 - 型号列表

必须动作（继电器术语，指必须吸合）

标准包装数量

电路

安装类型

端接样式

类型

其他名称

长度

包装方式