ST224
Product Features
- Rivet-Free Precision Contact: One-piece machined brass contact eliminates rivet failure points for a more reliable, longer-lasting connection.
- Corrosion-Resistant Nickel Finish: Nickel plating on both housing and contact protects against wear and environmental exposure.
- Rugged Zinc Alloy Build: Durable die-cast housing withstands repeated handling and daily use.
- Proven Long-Term Durability: Rated for 1,000+ mating cycles, reducing replacement frequency in high-use settings.
- Broad Cable Compatibility: Fits cables up to 7mm O.D. (1.0 mm² / 18 AWG), giving flexibility across cable types.
- High Dielectric Safety Margin: 1000V DC dielectric strength and >2 GΩ insulation resistance ensure safe, interference-free signal transfer.
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Details
| Product Parameters | |
| Connection type | Plug |
| Gender | Male |
| Electrical Parameters | |
| Rated Current | depends on mating connector |
| Rated Voltage | < 50 V |
| Contact Resistance | depends on mating connector |
| Dielectric Strength | 1000 V DC |
| Insulation Resistance | > 2 GΩ |
| Mechanical Parameters | |
| Service Life | > 1000 mating cycles |
| Cable Size | 1 mm² |
| 18 AWG | |
| Cable OD | ≤7 mm |
| Material and Environmental Parameters | |
| Housing | Zinc alloy |
| Contacts | Brass |
| Contact surface | Ni |
| Housing plating | Ni |
| Temperature range | -20°C ~ +65°C |
| Standards and Certifications | |
| Solderability | IEC 68-2-20 |
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Description
The ST224 is a 6.35mm (1/4″) mono plug engineered for reliable audio signal transmission in professional and consumer applications. Featuring a nickel-plated zinc alloy housing and a precision-machined one-piece brass contact, the ST224 delivers a durable, low-resistance connection without the reliability risks associated with riveted contacts. Rated for cables up to 7mm O.D. and built to withstand over 1,000 mating cycles, this plug is well suited for instrument cables, patch cords, and other audio connectivity applications requiring a dependable, long-lasting connector.
Key Features
- One-Piece Precision Contact: Machined from a single piece of brass with no rivets, reducing points of failure and ensuring consistent signal integrity.
- Nickel-Plated Construction: Both housing and contact are nickel plated for corrosion resistance and a durable, long-lasting finish.
- Wide Cable Compatibility: Accepts cables up to 7mm O.D., accommodating 1.0 mm² (18 AWG) conductors.
- High Durability: Rated for more than 1,000 mating cycles, supporting repeated use in demanding environments.
- Compact, Standard Footprint: Overall length of 114.50±3.00mm with a 12.40±0.30mm barrel diameter, fitting standard 1/4″ jack applications.
Electrical Specifications
- Rated Voltage: Rated for use under 50V, suitable for standard audio-level signals.
- Dielectric Strength: Withstands 1000V DC, ensuring safe electrical isolation.
- Insulation Resistance: Exceeds 2 GΩ, minimizing signal leakage and interference.
- Rated Current / Contact Resistance: Determined by the mating connector, allowing flexible pairing across compatible jacks.
Material and Environmental Specifications
- Housing Material: Constructed from zinc alloy for strength and durability.
- Contact Material: Made from brass for reliable conductivity.
- Surface Finish: Both contact and housing are nickel plated for corrosion resistance.
- Operating Temperature Range: Performs reliably from -20°C to +65°C.
- Solderability: Compliant with IEC 68-2-20 standard, ensuring consistent solder joint quality.
Packaging and Accessories
- Individual Packaging: Each unit is packaged 1 piece per bag, complete with insert, housing, plastic tube, and spring.
- Carton Configuration: Packed 100 pieces per inner carton, with 5 inner cartons per master carton (500 pieces per master carton).
- No Accessories Included: Shipped as a standalone plug with no additional screws, nuts, or mounting hardware.
Assembly Instructions
- Cable Preparation: Thread the cable through the spring, housing, and insulation tube before stripping to the specified dimensions.
- Conductor Termination: Solder the cable’s conductor to the inner core assembly and secure it in place using the cable clip.
- Housing Assembly: Fit the inner core into the housing, then tighten the tail sleeve clockwise to complete assembly and ensure a secure, strain-relieved connection.
