Terminals - Spade Connectors

Part Number	Description / PDF	Quantity
8256 Keystone Electronics Corp.	CONN SPADE TERM 18-22AWG #10	2600
8249 Keystone Electronics Corp.	CONN SPADE TERM 14-16AWG #8 BLU	0
8227 Keystone Electronics Corp.	CONN SPADE TERM 18-22AWG #6 RED	4200
8257 Keystone Electronics Corp.	CONN SPADE TERM 14-16AWG #6	0
8228 Keystone Electronics Corp.	CONN SPADE TERM 18-22AWG #8 RED	1379
8259 Keystone Electronics Corp.	CONN SPADE TERM 14-16AWG #10	1200
8250 Keystone Electronics Corp.	CONN SPADE TERM 14-16AWG #10 BLU	0
8237 Keystone Electronics Corp.	CONN SPADE TERM 18-22AWG #8	1500
8230 Keystone Electronics Corp.	CONN SPADE TERM 14-16AWG #6 BLU	2400
8262 Keystone Electronics Corp.	CONN SPADE TERM 10-12AWG #10	500
8266 Keystone Electronics Corp.	CONN SPADE TERM 14-16AWG #6 BLU	0
8255 Keystone Electronics Corp.	CONN SPADE TERM 18-22AWG #8	3300
8238 Keystone Electronics Corp.	CONN SPADE TERM 18-22AWG #10	2700
8268 Keystone Electronics Corp.	CONN SPADE TERM 14-16AWG #10 BLU	2000
8248 Keystone Electronics Corp.	CONN SPADE TERM 14-16AWG #6 BLU	0
8245 Keystone Electronics Corp.	CONN SPADE TERM 18-22AWG #6 RED	1000
8229 Keystone Electronics Corp.	CONN SPADE TERM 18-22AWG #10 RED	0
8252 Keystone Electronics Corp.	CONN SPADE TERM 10-12AWG #8 YEL	9400
8258 Keystone Electronics Corp.	CONN SPADE TERM 14-16AWG #8	5000
8267 Keystone Electronics Corp.	CONN SPADE TERM 14-16AWG #8 BLU	2000

Terminals - Spade Connectors

1. Overview

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.

2. Main Types & Functional Classification

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

3. Structure & Composition

Typical spade connectors consist of:

Metal contact blade (phosphor bronze or beryllium copper)
Insulation housing (PVC or nylon)
Contact surface plating (tin, silver, or gold)
Wire crimping section with strain relief

4. Key Technical Specifications

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

5. Application Fields

Major application areas include:

Automotive systems (starter motors, relays)
Industrial machinery (PLC interfaces)
Consumer electronics (power tools, HVAC units)
Aerospace equipment (avionics subsystems)
Renewable energy systems (solar inverters)

6. Leading Manufacturers & Products

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

7. Selection Recommendations

Key selection criteria:

Determine current/voltage requirements with safety margins
Assess environmental factors (temperature, vibration)
Match connector size to wire gauge (AWG/mm )
Consider mating cycle frequency
Evaluate insulation needs based on installation location
Verify compliance with standards (ISO 8092, UL 1059)

8. Industry Trend Analysis

Emerging trends include:

Miniaturization for EV battery management systems
Development of hybrid connectors with integrated sensors
Increased adoption of RoHS-compliant materials
Growing demand for high-vibration-resistant designs
Smart connector integration with condition monitoring

Market projections indicate 4.2% CAGR growth (2023-2030) driven by automotive electrification and industrial automation advancements.