KSK-1A80 Series Reed Switch
The KSK-1A80 Series is an ultraminiature reed switch designed for precision switching in compact electronic systems. With a glass body length of just 7.0 mm and diameter of 1.8 mm, this SPST-NO (Form A) switch offers reliable performance in space-constrained environments.
Rated for up to 10 W, 170 VDC, and 0.5 A DC, the KSK-1A80 features a close differential and a wide operate range (10–40 AT), making it ideal for applications requiring consistent magnetic sensitivity. Its hermetically sealed contacts ensure long-term durability and stable operation across a variety of industries.
Standards and Certifications
- Ultraminiature design ideal for compact and portable devices
- Close differential switching for precise magnetic actuation
- Hermetically sealed glass body protects against moisture and contaminants
- Flat lead configuration supports automated assembly and secure mounting
- No power required for actuation, enabling energy-efficient designs
- UL-approved for safety and compliance in regulated environments
| Overall Length mm (inches) | 35.8 (1.409) |
| Glass Length Max. mm (inches) | 7.0 (0.275) |
| Glass Dia. Max. mm (inches) | 1.80 (0.070) |
| Lead Dia. mm (inches) | 0.3 (0.011) |
| Contact Form | 1A (SPST) Normally Open (N.O.) |
| Pull-In Range | 10-40 AT |
| Rated Power Max. | 10W/170VDC/0.5 Amp DC |
- Medical equipment and devices
- Test and measurement systems (ATE)
- Consumer electronics and appliances
- Security and alarm systems
- Industrial automation and control
- Fluid level and position sensing