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Littelfuse, Inc.

Littelfuse, Inc.- 拨动开关

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。

03

拨动开关 - 型号列表

共 39 个型号

必须动作（继电器术语，指必须吸合）

标准包装数量

开关功能

安装类型

端接样式

电路

开关功能/额定值

深度

高度

执行器长度

总长度

开关驱动电平

RoHS

触点形式

致动器类型

衬套/护套类型

类型

最小起订量

额定电压

最大额定电流

最小输入电压

包装方式

端子类型

接触镀层

触头材料

按钮样式/尺寸

电气寿命

开关电压

磁铁材料

长度

制造商零件编号库存价格标准包装数量安装类型类型包装方式端接样式电路开关电压开关电流平均正向功率磁铁材料必须动作（继电器术语，指必须吸合）RoHS额定电压开关功能/额定值端子类型接触镀层触头材料开关驱动电平工作温度开关功能最大额定电流最小输入电压致动器类型最小起订量单位包装工厂包装数量欧盟RoHS深度高度触点形式衬套螺纹安装样式执行器长度总长度执行器材料按钮样式/尺寸衬套/护套类型面板开孔尺寸（外形）外壳与棱镜材料系列产品特性照明类型电气寿命密封等级额定功率汽车级无铅定义输出电流供电电压长度触头类型技术产品类别其他名称
7203SYV3BE
7203SYV3BE

Switch Toggle ON OFF ON DPDT Round Toggle PC Pins 20VAC 20VDC 0.4VA PC Mount with Bracket and Threads Toggle SWITCH TOGGLE DPDT 0.4VA 20V Toggle Switches

Littelfuse, Inc.

-BulkPC Mount with Bracket and ThreadsMiniatureBulkPC PinDPDT-----Lead free / RoHS Compliant20 VON OFF ONPC PinsGold/NickelCopper AlloyDPDT-30 to 85 °COn-Off-On0.4VA (AC/DC)20Standard Round10011Compliant11.4331.24DPDT1/4-40Through Hole10.67mm16.26Brass, Chrome PlatedRound Toggle0.35 inCircular - 6.35mm DiaN/A/Stainless Steel7000Epoxy Sealed TerminalsNon-Illuminated40,000 CyclesSealed0.4@20VAC 20VDC VA---------
7301SYAV4BE
7301SYAV4BE

Switch Toggle ON None ON 3PDT Round Toggle PC Pins 20VAC 20VDC 0.4VA PC Mount with Bracket and Threads

Littelfuse, Inc.

-BulkPC Mount with Bracket and ThreadsMiniature---------20 VON None ONPC PinsGold/NickelCopper Alloy3PDT-30 to 85 °C-------------------------0.4@20VAC 20VDC VA---------
7101SYV31QE
7101SYV31QE

Switch Toggle ON None ON SPDT Round Toggle PC Pins 5A 250VAC 28VDC PC Mount with Bracket and Threads Toggle Switches ON-NONE-ON

Littelfuse, Inc.

-BulkPC Mount with Bracket and ThreadsMiniatureBulkSolder Pin------RoHS Compliant28 VON None ONPC PinsSilverCoin SilverSPDT-30 to 85 °CON - NONE - ON5@120VAC 28VDC A250 VPaddle--1---SPDT-Through Hole----1/4-40--7000---Sealed--------Toggle Switches-
7208P3YZGE
7208P3YZGE

Switch Toggle ON None Mom DPDT Flat Lever Solder Lug 5A 250VAC 28VDC 0.4VA Panel Mount with Threads Toggle SWITCH TOGGLE DPDT 5A 120V Toggle Switches

Littelfuse, Inc.

-BulkPanel Mount with ThreadsMiniatureBulkSolder LugDPDT-----Lead free / RoHS Compliant28 VON None MomSolder LugGold/NickelCoin SilverDPDT-30 to 85 °COn-Mom5@120VAC 28VDC A250 VFlat Anti-Rotation10011Compliant11.4333.15DPDT1/4-40Through Hole11.43mm12.7Brass, Chrome PlatedFlat Lever0.35 inCircular - 6.35mm DiaN/A/Stainless Steel7000Epoxy Sealed TerminalsNon-Illuminated40,000 CyclesSealed0.4@20VAC 20VDC VA---------
7411MDAV2QE
7411MDAV2QE

Switch Toggle ON ON ON 4PDT Round Toggle PC Pins 5A 250VAC 28VDC PC Mount with Bracket and Threads Toggle SWITCH TOGGLE 4PDT 5A 120V Toggle Switches

Littelfuse, Inc.

-BulkPC Mount with Bracket and ThreadsMiniatureBulkPC Pin4PDT-----Lead free / RoHS Compliant28 VON ON ONPC PinsSilverCoin Silver4PDT-30 to 85 °COn-On-On5@120VAC 28VDC A250 VStandard Round10011Compliant36.3212.74PST1/4-40Through Hole6.86mm21.59Brass, Chrome PlatedRound Toggle0.28 inCircular - 6.35mm DiaN/A/Stainless Steel7000Epoxy Sealed TerminalsNon-Illuminated40,000 CyclesSealed----------
7403SYCQE
7403SYCQE

Switch Toggle ON OFF ON 4PDT Round Toggle PC Pins 5A 250VAC 28VDC PC Mount with Threads Toggle SWITCH TOGGLE 4PDT 5A 120V Toggle Switches Toggle

Littelfuse, Inc.

-BulkPC Mount with ThreadsMiniatureBulkPC Pin4PDT-----Lead free / RoHS Compliant28 VON OFF ONPC PinsSilverCoin Silver4PDT-30 to 85 °COn-Off-On5@120VAC 28VDC A250 VStandard Round5011Compliant21.5931.654PST1/4-40Through Hole10.67mm12.7Brass, Chrome PlatedRound Toggle0.35 inCircular - 6.35mm DiaN/A/Stainless Steel7000Epoxy Sealed TerminalsNon-Illuminated40,000 CyclesSealed----------
7101SDAV2RE
7101SDAV2RE

Switch Toggle ON None ON SPDT Round Toggle PC Pins 5A 250VAC 28VDC 0.4VA PC Mount with Bracket and Threads Toggle SWITCH TOGGLE

Littelfuse, Inc.

-BulkPC Mount with Bracket and ThreadsMiniatureBulkPC PinSPDT-----Contains lead / RoHS non-compliant28 VON None ONPC PinsGold/NickelCoin SilverSPDT-30 to 85 °COn-On5@120VAC 28VDC A250 VStandard Round501-Compliant40.2612.7-1/4-40-12.45mm6.86Brass, Chrome PlatedRound Toggle-Circular - 6.35mm DiaN/A/Stainless Steel-Epoxy Sealed TerminalsNon-Illuminated100,000 Cycles-0.4@20VAC 20VDC VA---------
MDCG-4-12-33
5
MDCG-4-12-33

SWITCH REED SPST 12-33 A/T 200V

Littelfuse Inc

30019: ¥6.8551100Non-Standard (Axial)Glass BodyBulkAxial (2 Leads)SPST-NO200V500mA10WNot Specified12 ~ 33AT-------------------------------------------
MDCG-4-12-18
MDCG-4-12-18

SWITCH REED SPST 12-18 A/T 200V

Littelfuse Inc

30591: ¥3.6721,000Non-Standard (Axial)Glass BodyBulkAxial (2 Leads)SPST-NO200V500mA10WNot Specified12 ~ 18AT-------------------------------------------
MDSM-10R-10-15
MDSM-10R-10-15

SWITCH REED SPST 10-15AT 200V

Littelfuse Inc

190554: ¥9.05283,000PCB, Surface MountGlass BodyTape & Reel (TR)Gull WingSPST-NO200V500mA10WNot Specified10 ~ 15ATLead free / RoHS Compliant-----------------------------------------HE661TR
MDCG-4-27-33
MDCG-4-27-33

SWITCH REED SPST .5A 27-33 A/T

Littelfuse Inc

10001000: ¥4.5138100Non-Standard (Axial)Glass BodyBulkAxial (2 Leads)SPST-NO200V500mA10WNot Specified27 ~ 33AT-------------------------------------------
MDCG-4-22-28
MDCG-4-22-28

SWITCH REED SPST .5A 22-28 A/T

Littelfuse Inc

10001: ¥8.364100Non-Standard (Axial)Glass BodyBulkAxial (2 Leads)SPST-NO200V500mA10WNot Specified22 ~ 28AT-------------------------------------------
MDCG-4-32-38
MDCG-4-32-38

SWITCH REED SPST .5A 32-38 A/T

Littelfuse Inc

9801: ¥8.364100Non-Standard (Axial)Glass BodyBulkAxial (2 Leads)SPST-NO200V500mA10WNot Specified32 ~ 38AT-------------------------------------------
MDCG-4-17-23
MDCG-4-17-23

SWITCH REED SPST .5A 17-23 A/T REED 16,24 mmglass 17-23AT 1NO

Littelfuse Inc

100001000: ¥4.0732100Non-Standard (Axial)Glass BodyBulkAxial (2 Leads)SPST-NO200V500mA10WNot Specified17 ~ 23AT----------------------------------NORoHS-conform0.5 A200 V[DC]12.7 mm1THT--
MDCG-4-12-23
MDCG-4-12-23

SWITCH REED SPST .5A 12-23 A/T

Littelfuse Inc

204811: ¥7.2882100Non-Standard (Axial)Glass BodyBulkAxial (2 Leads)SPST-NO200V500mA10WNot Specified12 ~ 23AT-------------------------------------------
59166-1-S-00-D
59166-1-S-00-D

SWITCH REED SPST-NO 0.5A 10-15AT Moulded Reed 1NO

Littelfuse Inc

101: ¥11.0251,500PCB, Surface MountMolded BodyTape & Reel (TR)Gull WingSPST-NO200V500mA10WSpecified, Not Included10 ~ 15AT----------------------------------NORoHS-conform0.5 A200 V[DC]40.38 mm1THT--
MISM-3V1R-6-10
MISM-3V1R-6-10

SWITCH REED SPST 500MA 6-10AT

Littelfuse Inc

10761: ¥24.143,000PCB, Surface MountGlass BodyTape & Reel (TR)Gull WingSPST-NO170V500mA10WNot Specified6 ~ 10AT-------------------------------------------
MISM-3V1R-8-12.5
MISM-3V1R-8-12.5

SWITCH REED SPST 500MA 8-12AT

Littelfuse Inc

24836: ¥13.30762,500PCB, Surface MountGlass BodyBulkGull WingSPST-NO170V500mA10WNot Specified8 ~ 12AT-------------------------------------------
MDCG-4-12-38
MDCG-4-12-38

SWITCH REED SPST .5A 12-38 A/T

Littelfuse Inc

9941: ¥8.364100Non-Standard (Axial)Glass BodyBulkAxial (2 Leads)SPST-NO200V500mA10WNot Specified12 ~ 38AT-------------------------------------------
MDCG-4-17-28
MDCG-4-17-28

SWITCH REED SPST .5A 17-28 A/T

Littelfuse Inc

10001: ¥8.364100Non-Standard (Axial)Glass BodyBulkAxial (2 Leads)SPST-NO200V500mA10WNot Specified17 ~ 28AT-------------------------------------------
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