Introducing C&K® Switches
C&K Switches products are now on Littelfuse.com, delivering a unified portfolio of switching solutions with expanded expertise and global support.
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Find the Right Fuse Holder Fast
Use our online selection guide to quickly identify the right automotive fuse holder, then check distributor stock and access fuse kits and resources.
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NANO² SMD 415 Series Fuse
Electronic Design News (EDN) has named the Littelfuse NANO²® 415 Series Surface Mount Fuse the winner of the 2025 Product of the Year Award in the Passives category.
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Explore Electrical Safety
Explore electrical safety principles and protection strategies that keep workers safe, reduce downtime, prevent damage, and support reliable industrial operations.
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IX4352NEAU Gate Driver
Automotive Gate Driver with Negative Gate Bias & Protections
AEC-Q100 qualified gate driver with separate 9 A source/sink outputs, integrated protections, and an internal charge pump delivering −10 V bias for robust, high-dv/dt EV inverter designs.
K5V Series Tactile Switch
Sharp Tactile Feedback with Integrated LEDs
High-reliability tactile switch with gold-plated contacts and integrated LEDs. Long travel with crisp tactile/audible feedback in a compact footprint for status indication.
59150 Flange-Mount Reed Sensor
Compact, Sealed Sensor for Harsh or Concealed Environments
Compact, IP67-sealed reed sensor rated to 265 Vac/300 Vdc. Enables reliable non-contact sensing in space-constrained designs requiring low power operation and resistance to moisture and contaminants.
LFRU Fuse Reducers
Adaptable, Cost-Saving Fuse-to-Clip Solutions
Adapts lower-rated fuses into higher-rated clips to prevent overfusing and simplify inventory. Ideal for transformers, VSDs, MCCs, and test or temporary current-limiting applications.
残留電流保護
EV Charging Protection
Compact and reliable, these monitors detect AC and DC leakage in EV charging systems in real time—preventing hazards and ensuring continuous safety.
持続可能で接続性の高い、より安全な世界を実現するために
成功事例
Smart Protection for Smarter Flossers
A health care OEM designing a compact, USB-C rechargeable water flosser needed to manage overcurrent, overheating, and moisture risks—without compromising space or safety.
成功事例
密閉型タクタイルスイッチが信頼性を強化
ある電動工具メーカーは、次世代コードレスドリルのバッテリー残量インジケーターの動作を目的に、耐久性に優れた小型スイッチを探していました。
成功事例
TVSダイオードFortify USB-Cポート
ある大手ノートパソコンメーカーは、シグナルインテグリティを損なったり、基板スペースを過剰に消費したりすることなく、ESDやサージ、その他過渡現象からUSBタイプCポートを保護する方法を模索していました。
教育とインセット
に出展
Littelfuse provides electronics protection and electrical wiring interconnect systems for many mission critical systems.
リテルヒューズ/C&K、TDB シリーズ超小型ハーフピッチ表面実装ディップスイッチを発表
新しい金めっきのウォッシャブル DIP スイッチは、スペースの限られた設計でも高密度の PCB レイアウトを可能にします。
新しい高信頼性 15 kW および 30 kW SMT TVS ダイオードが DO-160 レベル 5 雷保護を提供
Littelfuse expands its high-reliability TVS diode portfolio with compact SPD4-1 surface-mount devices engineered for avionics, military, and other...