SUNGMUN NSI-21S Vertical SMD Slide Switch | 3-Pin Jumper Switch | On-On Mode Selector
SUNGMUN NSI-21S Vertical SMD Slide Switch | 3-Pin Jumper Switch | On-On Mode Selector
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SUNGMUN NSI-21S: Space-Saving Vertical SMD Slide & Jumper Switch
The NSI-21S is a 3-pin, vertical mount SMD slide switch designed to save valuable PCB real estate. It functions as both a reliable slide switch and a configurable jumper switch, offering two distinct circuit states (On-On) for mode selection or function control in compact electronic devices.
Key Features & Benefits:
Vertical SMD Design: Saves horizontal space on the PCB, ideal for high-density layouts where board area is limited.
Dual-Function Circuit (On-On): Enables switching between two different circuit configurations, perfect for mode changes or power routing.
Secure Jumper Replacement: Provides a more stable and reliable alternative to traditional jumper caps, resistant to vibration and accidental dislodgement.
Robust Construction: Designed for durability with a long mechanical life, ensuring consistent performance.
Technical Specifications:
Circuit: 3-Pin, SPDT (On-On)
Rating: DC 12V 0.5A ~ 24V 0.3A
Contact Resistance: 80mΩ Max.
Travel: 1.6mm
Operating Force: 250gf ±150gf
Life Cycle: 2,000 cycles (with load)
Mounting: Vertical SMD
Packing: 200pcs/Vinyl Bag
Common Applications:
Densely-Populated PCBs: Such as in networking hardware, single-board computers.
Wearable Devices & IoT Modules: Where internal space is extremely limited.
Consumer Electronics: For internal settings or function selection.
Development Boards: As a user-configurable mode selector.