HF3FA-012-HSTF (136) Sugar Cube Relay 12VDC SPST-NO 10A Sealed PCB Relay

Descriptions:
- The HF3FA-012-HSTF(136) relay from Hongfa is a compact high-power sub-miniature "Sugar Cube" sealed relay designed for reliable switching in space-constrained PCB applications. Featuring a Form 1A (SPST-NO) contact configuration, it is engineered for stable performance in industrial controls, appliance systems, HVAC equipment, and general-purpose power switching applications.
- This variant operates with a 12VDC coil rated at 400 , providing a balanced combination of control efficiency and dependable actuation. The coil design makes it suitable for a wide range of driver circuits, including microcontroller outputs, relay driver modules, PLC interfaces, and embedded control systems.
- The HF3FA-012-HSTF supports switching loads up to 10A at 250VAC, with a maximum switching capability of 15A (depending on conditions), and is rated up to 277VAC or 28VDC maximum switching voltage. This makes it suitable for controlling motors, solenoids, heaters, lighting systems, power supplies, and other inductive or resistive loads in both residential and industrial environments.
- It's sealed "Sugar Cube" housing protects internal contacts from dust, solder flux, and environmental contamination, improving long-term reliability and electrical stability. Built with UL94 V-0 flame-retardant materials and Class F insulation, the relay ensures strong thermal endurance and electrical safety compliance. It is also designed in accordance with IEC 60335-1 requirements for appliance-grade applications.

Features:
- High-power sub-mini "Sugar Cube" sealed relay
- Form 1A (SPST-NO) contact configuration
- Compact standard PCB layout
- 12VDC coil with 400 resistance
- 10A switching capacity at 250VAC
- Maximum switching capability up to 15A (application dependent)
- Max switching voltage: 277VAC / 28VDC
- Sealed construction for contamination protection
- UL94 V-0 flame-retardant housing
- Class F insulation system for high thermal endurance
- CTI 250 material performance available
- IEC 60335-1 compatible design
- Suitable for industrial and appliance applications

Specifications:
- Model: HF3FA-012-HSTF(136)
- Brand: Hongfa
- Device Type: High Power Sub-Mini Sugar Cube Sealed Relay
- Contact Form: Form 1A (SPST-NO)
- Coil Rated Voltage: 12VDC
- Coil Resistance: 400
- Maximum Switching Current: 10A
-Electrical Rating: 10A at 250VAC (15A peak capability)
- Maximum Switching Voltage: 277VAC / 28VDC
- Insulation Class: Class F
- Flammability Rating: UL94 V-0
- Mounting Type: PCB Through-Hole
- Construction Type: Sealed
- Ideal for appliance controls, industrial automation systems, HVAC equipment, lighting systems, power distribution modules, embedded electronics, and PCB-based switching applications requiring compact, reliable SPST relay performance with strong insulation and high load capability.

What's in the box
1 x HF3FA-012-HSTF (136) Sugar Cube Relay 12VDC SPST-NO 10A Sealed PCB Relay