Linear solenoid WL0837

miniaturetubularcompact

Overview
A mini push-pull solenoid is an electromagnetic actuator that converts electrical energy into linear motion by generating a magnetic field in a copper coil. By changing the current direction, the magnetic field produces either a pushing or pulling action on the steel plunger. These compact DC devices offer fast response and are suitable for integration in confined or OEM equipment.

Key Features

• Compact, lightweight design for installation in limited spaces
• Fast response and high repeatability for precise linear push and pull motion
• Efficient force generation with relatively low power consumption
• Rugged construction with copper coil, precision plunger and durable housing
• Available in multiple DC voltages (3V, 5V, 6V, 12V, 24V) with customizable stroke lengths and mounting styles
• Low-noise operation for use in sensitive equipment

Product Overview (DC push-pull solenoid)
Typical construction includes a copper coil, housing, plunger, spring and output shaft. When energized the coil creates a magnetic field that moves the plunger to produce push or pull motion; when de-energized an internal spring returns the plunger to its rest position. Configurations include open, tubular, latching or custom types. Common operating voltages are DC 3V, 6V, 12V and 24V. Stroke and output force are chosen according to application requirements.

Applications

• Industrial automation (valve actuation, part sorting, positioning)
• Smart locks and access-control systems
• Vending machines (dispensing and coin return mechanisms)
• Medical devices (testing instruments, liquid dispensing, diagnostic equipment)
• Office equipment (printers, scanners – paper feed operations)
• Automotive components (fuel door locks, transmission latches, seat adjusters)

Advantages

• Compact and rapid operation with straightforward installation
• Reliable design with low maintenance requirements
• Energy-efficient compared with larger actuators and easily customized for OEM use
• Good repeatability and long service life under recommended conditions

Disadvantages

• Limited stroke and moderate force relative to larger actuators
• Continuous operation can generate heat; duty cycle and thermal management must be observed
• Output force decreases with increased stroke; improper voltage or overload reduces life
• Requires protection against humidity and dust in harsh environments

Troubleshooting - Common Issues & Remedies

• Solenoid not operating: verify supply voltage, wiring and coil resistance
• Weak push/pull force: check voltage, reduce stroke if possible, remove magnetic interference or obstructions
• Overheating: reduce duty cycle, improve cooling, verify voltage and loading
• Noise during operation: inspect for loose mounting or internal wear
• Slow response: check supply, spring condition, clean/lubricate mechanism and remove foreign objects
• Corrosion: specify corrosion-resistant materials or protective coatings in humid environments

Product Datasheet (selected technical table values)
Brand: Weilong Technology
Model Number: WL0837
Rated Voltage (V): DC 12V
Rated Power (W): 10-20 W
Work Model: PUSH-PULL Type
Holding Force (N): 2-3 N
Stroke (mm): 3-5 mm
Reset Time (s): 1 s
Service Life: 300000 times
Certification: CE, RoHS, ISO9001
Material: Carbon Steel Housing with Zinc Plated Coating
Lead Wire Length (mm): 200
Install Style: Adjustable Screw
Tolerance of Dimension: +/- 0.1 mm
Water-proof: None
Insulation Class: F (155 °C)
Hi-Pot Test: AC 600V 50/60Hz 2s
Non-excitation Holding Force: 0
Working Temperature: -10°C - 100°C
Duty Cycle: 1-100%
Payment Term: TT, or LC At Sight
Sample Order: Yes
Warranty: 1 Year
MOQ: 500 pcs
Supply Ability: 5000 pcs per Week
Delivery Time: 30 Days
Port of Loading: shenzhen

Technical specifications

• Brand: Weilong Technology
• Model: WL0837
• Rated Voltage: DC 12V
• Rated Power: 10-20 W
• Type: Push-Pull solenoid
• Holding Force: 2-3 N
• Stroke: 3-5 mm
• Reset Time: ~1 s
• Service Life: ~300,000 cycles
• Material: Carbon steel housing, zinc plated
• Lead Wire: 200 mm
• Insulation Class: F (155 °C)
• Operating Temperature Range: -10°C to 100°C
• Duty Cycle: 1-100% (specify per application)
• Certifications: CE, RoHS, ISO9001
• MOQ / Supply: 500 pcs MOQ; 5000 pcs per week capacity