Spade connectors are electrical terminal devices featuring a flat, fork-shaped contact interface. They enable secure and removable connections between wires and electrical components. Widely used in automotive, industrial, and consumer electronics, these connectors ensure reliable power transmission while allowing easy maintenance and replacement.
| Type | Functional Features | Application Examples |
|---|---|---|
| Insulated Spade | Plastic housing prevents short circuits | Automotive fuse boxes |
| Non-Insulated Spade | Bare metal contact for space-constrained applications | Industrial control panels |
| High-Temperature Spade | Heat-resistant materials up to 200 C | Engine compartment sensors |
| Metric/SAE Standard | Differentiated by blade width (6.3mm/4.8mm) | Global automotive systems |
| Quick-Disconnect Spade | Tool-free manual connection/disconnection | Consumer appliance maintenance |
Typical spade connectors consist of:
| Parameter | Typical Range | Importance |
|---|---|---|
| Current Rating | 10-50A | Ensures thermal stability under load |
| Voltage Rating | 250-600V | Prevents dielectric breakdown |
| Contact Resistance | 5m | Minimizes power loss |
| Insertion Force | 0.5-2.5N | Affects mating durability |
| Temperature Range | -40 C to +150 C | Determines environmental suitability |
| Cycling Durability | 500-1000 cycles | Measures mechanical lifespan |
Major application areas include:
| Manufacturer | Key Products | Special Features |
|---|---|---|
| TE Connectivity | Multi-Purpose Spade Series | UL94 V-0 rated insulation |
| Molex | Micro-Fit 3.0 Spade | Compact 3A rating design |
| Delphi Connection Systems | Weather-Pack Spade | IP67 waterproof rating |
| Yazaki Corporation | High-Temp Blade Connectors | 200 C operational stability |
| 3M | Scotchlok Spade Terminals | Pre-insulated vibration-resistant design |
Key selection criteria:
Emerging trends include:
Market projections indicate 4.2% CAGR growth (2023-2030) driven by automotive electrification and industrial automation advancements.