10-Pack SMIH DC Signal Relay – 5V 12V 24V SL-A & SL-C
10-Pack SMIH Series General Purpose DC Relay – 5V, 12V & 24V
Get reliable switching performance with this 10-piece set of SMIH series miniature signal relays. Available in 5VDC, 12VDC, and 24VDC coil voltages and in both SL-A (normally open) and SL-C (changeover) contact configurations, these compact relays are ideal for PCB mounting in a wide range of general-purpose electronic and automation applications.
Whether you're building control circuits, automating equipment, or replacing worn components, this multi-pack gives you the flexibility and quantity to get the job done efficiently.
Key Features
- Multiple Models Included: Covers SMIH-05VDC-SL-A, SMIH-12VDC-SL-A, SMIH-24VDC-SL-A, SMIH-05VDC-SL-C, SMIH-12VDC-SL-C, and SMIH-24VDC-SL-C variants
- Coil Voltages: 5VDC, 12VDC, and 24VDC – versatile for a broad range of circuits
- Contact Types: SL-A (normally open / Form A) and SL-C (changeover / Form C) configurations
- General Purpose Use: Suitable for control panels, home automation, industrial equipment, hobby electronics, and more
- PCB Compatible: Compact footprint designed for easy through-hole PCB mounting
- Pack of 10: Great value – stock up for projects or keep spares on hand
- Customizable: Available in custom configurations upon request
Specifications
| Model Numbers | SMIH-05VDC-SL-A / SMIH-12VDC-SL-A / SMIH-24VDC-SL-A / SMIH-05VDC-SL-C / SMIH-12VDC-SL-C / SMIH-24VDC-SL-C |
| Coil Voltage | 5VDC, 12VDC, 24VDC |
| Contact Configuration | SL-A (Form A), SL-C (Form C / Changeover) |
| Application | General Purpose |
| Quantity | 10 pieces per pack |
| Country of Origin | Made in Mainland China |
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Frequently Asked Questions
Q: What relay models are included in this 10-pack?
A: This pack covers the full SMIH series lineup: SMIH-05VDC-SL-A, SMIH-12VDC-SL-A, SMIH-24VDC-SL-A (normally open) and SMIH-05VDC-SL-C, SMIH-12VDC-SL-C, SMIH-24VDC-SL-C (changeover). Please specify your preferred model(s) when ordering, as customization is available.
Q: What is the difference between SL-A and SL-C contact configurations?
A: SL-A (Form A) is a normally open (NO) single-pole single-throw contact — the circuit is open when the coil is de-energized and closes when energized. SL-C (Form C) is a changeover contact with both normally open (NO) and normally closed (NC) terminals, giving you greater switching flexibility in your circuit design.
Q: Are these relays suitable for PCB mounting?
A: Yes. SMIH series relays feature a compact through-hole PCB footprint, making them straightforward to solder directly onto printed circuit boards in control panels, automation systems, hobby electronics, and industrial equipment.
Q: Can I order a specific voltage or contact configuration only?
A: Yes — customization is supported. If you need all 10 relays in a single model variant (e.g. all SMIH-12VDC-SL-C), please contact us before placing your order and we'll arrange the correct configuration for you.