Littelfuse 8121 Series Push Button Switch, Momentary, Through Hole, 6.4 mm Cutout, SPDT, Green, Red, Yellow LED, 28 V dc

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Subtotal (1 pack of 15 units)*

£182.69

(exc. VAT)

£219.23

(inc. VAT)

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  • Ready to ship from 12 May 2026
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Per unit*
1 +£182.69£12.179

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RS Stock No.:
467-233
Distrelec Article No.:
304-47-858
Mfr. Part No.:
8121SDAGE
Brand:
Littelfuse
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Brand

Littelfuse

Product Type

Push Button Switch

Actuator Colour

White

Switch Operation

Momentary

Illuminated

No

Series

8121

Panel Cutout Size

6.4 mm

Mount Type

Through Hole

Contact Configuration

SPDT

LED Colour

Green, Red, Yellow

Terminal Type

PCB Pin

Contact DC Voltage

28V dc

Contact AC Voltage

120V ac

Minimum Operating Temperature

-30°C

Switch Configuration

SPDT

Maximum Operating Temperature

75°C

Length

26.2mm

Height

12.7mm

Standards/Approvals

MIL-STD-202F Method 208D, UL 94V-0, EIA RS-186E Method 9, RoHS, CSA, UL

COO (Country of Origin):
VN
The TE Connectivity Snap-acting momentary pushbutton switch represents a versatile and dependable control solution. Designed to fit a range of applications, this switch is ideal for instrumentation and telecommunications equipment, providing a positive tactile feel that enhances user experience. Its multi-position configurations and diverse termination options cater to various circuit designs, ensuring flexibility in numerous projects. Built with premium materials, this switch provides a robust electrical life of 60,000 make-and-break cycles at full load, reaffirming its reliability in demanding environments. The epoxy terminal seal further enhances durability, making it suitable for bottom-wash cleaning processes in PCBs. As an environmentally conscious choice, it boasts RoHS compliance, assuring users of its sustainable design and materials.

Positive tactile feedback for enhanced operational assurance

Available in multiple configurations to fit diverse applications

Constructed with materials that resist common environmental stresses

Low contact resistance under operational conditions for reliable signal integrity

Silent operation during switching to minimise disruption in sensitive environments

Capable of supporting a variety of terminations to suit specific installation needs

Compact design fits into space-constrained applications while retaining functionality

Certified RoHS compliance aligns with modern sustainability standards

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