ORD311 Series Reed Switch
The ORD311 Series is an ultra-miniature, high-reliability reed switch designed for precision switching in compact electronic systems. With a glass body length of 7.0 mm and diameter of 1.8 mm, this SPST-NO (Form A) switch supports switching voltages up to 170 VDC, currents up to 0.5 A, and a rated power of 10 W.
Its hermetically sealed contacts are enclosed in inert gas, ensuring long-term durability and stable performance. The ORD311 is available in multiple operate ranges (10–40 AT) and is widely used in medical equipment, general-purpose electronics, and automated test systems.
Standards and Certifications
- Ultra-miniature design ideal for space-constrained applications
- Close differential switching for precise magnetic actuation
- Hermetically sealed in inert gas for enhanced reliability and environmental protection
- Iridium contacts for superior corrosion and wear resistance
- Fast switching response with operate times under 0.4 ms
- Shock and vibration resistant, suitable for rugged environments
- Energy-efficient operation with no power required for actuation
| 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) | 0.33 (0.013) |
| Contact Form | 1A (SPST) Normally Open (N.O.) |
| Pull-In Range | 10-40 AT |
| Rated Power Max. | 10W/100VDC/0.5 Amp DC |
- Medical equipment and devices
- Test and measurement systems (ATE)
- Consumer electronics and portable devices
- Security and alarm systems
- Automotive electronic controls
- Communication and control equipment