Description
The JF-0730B is a compact open-frame push-pull DC solenoid designed for short-stroke linear actuation in space-constrained electromechanical assemblies. It provides a 10mm stroke with a rated force of approximately 80g (≈0.8N) according to the product designation, though third-party listings for the same model report force figures ranging from 5N down to 80g depending on the specific variant and measurement conditions . The solenoid uses a spring-return plunger: when the coil is energized, the plunger moves to perform work; when power is removed, the internal spring returns it to the rest position . The open-frame construction features a metal housing and copper coil, with mounting holes for secure installation. Available in 6V, 12V, and 24V coil variants, the JF-0730B accommodates different power supply designs while maintaining the same compact body size of approximately 14×17×30mm (L×W×H) . It is suitable for individual makers building small automation projects and for business purchasers seeking a low-cost actuator for light-duty commercial equipment such as vending machines, electronic locks, and sorting mechanisms .
Important Note on Specifications: Listings for the JF-0730B show significant inconsistencies in force and current ratings across different sellers and batches. The 12V variant is variously described as drawing 300mA, 1A, or even 1.3A in independent testing, and force ratings range from 80g to 5N . Buyers should verify specifications with their specific supplier before finalizing driver and power supply designs.
Features
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Push-Pull Operation with Spring Return: The plunger can perform work in either direction depending on mounting orientation, and the internal spring automatically resets the plunger when power is removed .
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Compact Open-Frame Design: Small body dimensions of approximately 14×17×30mm allow integration into tight enclosures and compact mechanisms .
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Multiple Voltage Options: Available in 6V, 12V, and 24V coil variants to match different DC power architectures .
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Mounting Holes for Secure Installation: The frame includes mounting holes, simplifying attachment to brackets and panels .
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Copper Coil Construction: The coil uses copper wire with reported good temperature stability and insulation properties .
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Intermittent Duty Design: Intended for short-duration energization; extended continuous operation is not recommended due to coil heating .
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | JF-0730B |
| Type | Push-Pull, Open Frame, Spring Return |
| Stroke | 10mm |
| Rated Force | ~80g (per product designation; listings vary widely—verify with supplier) |
| Voltage Options | DC 6V / 12V / 24V |
| Current (12V variant) | Varies by source: 300mA to 1A reported |
| Body Dimensions | Approx. 14×17×30mm (L×W×H) |
| Duty Cycle | Intermittent; recommended energization within seconds per activation |
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