📝 Description
The UM-0018-M Ultra Miniature Reed Switch is engineered specifically for high-speed signal load switching, boasting an impressive Operate Time of less than 0.3 milliseconds. This rapid response time makes it ideal for applications requiring swift and reliable operation. Capable of handling loads up to 5W at 100V, it ensures robust performance even under demanding conditions.
The flattened leads facilitate efficient orientation during batch assembly, enhancing sensitivity and ease of integration. For compact applications, variants with cropped leads are available, enabling seamless integration into smaller plastic housings or direct soldering onto cables. Additionally, they are compatible with SMT PCBs, featuring slots for versatile mounting options.
In manufacturing processes, the SMD version of the UM-0018-M supports reflow soldering, ensuring secure and efficient attachment to SMT PCBs. Meanwhile, vertical and horizontal mount versions cater to through hole PCB applications, offering flexibility in installation methods based on project requirements.
These features collectively make the ultra-miniature UM-0018-M an excellent choice for applications across various industries, including telecommunications, automotive electronics, and consumer electronics. Its combination of high-speed switching capability, robust power handling, and versatile mounting options positions it as a reliable solution for demanding signal switching needs. Whether for compact consumer devices or industrial automation systems, this ultra miniature reed switch delivers consistent performance and durability.
⚡️ Electrical
| Parameters | Unit | Values |
| Contact Form | A | |
| Contact Rating (max) | W/VA | 5.0 |
| Switching Current (max) | A | 0.35 |
| Carry Current (max) | A | 0.5 |
| DC Switching Voltage (max) | VDC | 100 |
| Breakdown Voltage (min) | VDC | 150 |
| Contact Resistance (max) | mΩ | 200 |
| Insulation Resistance (min) | Ω | 109 |
| Capacitance (typ) | pF | 0.2 |
📊 Miscellaneous
| Parameters | Unit | Values |
| Operate Time (max) | ms | 0.35 |
| Bounce Time (max) | ms | 0.3 |
| Release Time (max) | ms | 0.1 |
| Resonance Frequency (typ) | Hz | >2000 |
| Operating Frequency (max) | Hz | 500 |
| Operating Temperature | °C | -40 to +120 |
| Shock Resistance (½Sin wave for 11ms) | G | 30 |
| Vibration Resistance (10-2000Hz) | G | 20 |
| Test Coil Number | 717 102 003 |
⚙️ Ordering Code
R3-(Formation Code)-(Operate Band Code)
| Operate Band | AT | 7-20 |
| Corresponding Release Band | AT | 3-18 |
| Formation Code | Lead Type |
| Full Length Leads | |
| C | Cropped |
| S | SMD |
| H | Horizontal Mount |
| V | Vertical Mount |
Examples: UM-0018-M-7-12 denotes 7-12 Operate Band (AT) with Full Length leads. UM-0018-M-15-18-S denotes 15-18 Operate Band (AT) with SMD formed leads.
Other Special Configurations: Lower Static Contact Resistance, Dynamic Contact Resistance Limit, Higher Insulation Resistance, Special Release Limits, Gold plated leads.
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🛠️ Usage Notes
Here are some of the recommended usage notes to ensure maximum durability of this reed swtch. The complete usage notes are available here.
🧰 Applications
Although we can never restrict the use of a reed switch to a particular field, the following is a list of some of the applications that the UM-0018-M Ultra Miniature Reed Switch is known to perform well.
