Engineers and procurement teams rely on Digi-Key as a trusted source for connectivity amp connectors, with part number 19178072 frequently referenced for signal integrity and power requirements. This component is selected when designers need robust edge-to-edge contact with stable thermal performance in demanding applications.
Below is a focused reference that explains core specifications, features, and mounting methods for Digi-Key part 19178072 amp connectors. Use this structured overview to compare options, validate pin layouts, and streamline your sourcing workflow.
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Part Number | 19178072 | - | Digi-Key standard catalog identifier |
| Contact Type | Solder | - | Through-hole termination for secure PCB attachment |
| Current Rating | 15 | A | Typical at specified ambient temperature |
| Voltage Rating | 300 | Vdc | Maximum continuous operating voltage |
| Operating Temperature | -55 | to +125 | Range for functional reliability |
| Contact Material | Copper Alloy | - | Plated for conductivity and corrosion resistance |
| Housing Material | Thermoplastic | - | Mechanical support and insulation |
| Mounting Style | Through-Hole | - | Vertical or board-to-board configurations |
Signal Integrity and Performance of 19178072
Electrical Characteristics
Maintaining signal integrity starts with selecting a connector that matches the circuit’s voltage and current demands. The 19178072 amp connectors are rated for 15 A and 300 Vdc, which suits many industrial and automotive power paths. Stable contact resistance minimizes voltage drop and reduces risks of localized heating under variable load conditions.
Environmental Robustness
Connectivity solutions must endure temperature cycles, humidity, and mechanical stress without degrading performance. With an operating range from -55°C to +125°C, this component supports harsh environments while preserving mechanical alignment. The thermoplastic housing and copper alloy contacts are chosen to limit corrosion and ensure long-term conductivity.
Physical Mounting and Compatibility
Through-Hole Installation
Through-hole technology provides reliable solder joints and mechanical retention, especially in high-vibration applications. Pins are shaped for precise insertion, and the design supports automated placement alongside manual prototyping. Correct hole spacing and pad sizing are essential to avoid stress concentrations on the solder joints.
Board Layout Considerations
Efficient PCB layout reduces inductance and thermal hotspots around high-current connectors. Keep traces short and wide, use thermal vias when necessary, and provide adequate annular ring clearance for reliable soldering. Verify pin coordinates against the datasheet to avoid mismatch during assembly and test.
Design Advantages and Use Cases
Designers choose 19178072 amp connectors when they need a proven solution with clear electrical and thermal characteristics. The through-hole form factor suits applications where board-level durability is critical, such as motor drives, battery management, and industrial controls. Consistent contact design supports repetitive mating cycles while maintaining electrical continuity.
Best Practices for Implementation
- Verify pinout and spacing against your CAD library before placing the order.
- Use appropriate wire gauges and strain relief to protect solder joints from mechanical stress.
- Validate thermal performance with IR imaging under full load in your enclosure.
- Document assembly steps and inspection criteria to reduce field failures.
FAQ
Reader questions
What is the typical current capacity of 19178072 in a 4-layer PCB?
In a standard 4-layer board with adequate copper weight and thermal relief, the connector can reliably carry 15 A when heatsinking planes and airflow are considered. Derate for confined spaces or elevated ambient temperatures to stay within safe operating limits.
Can this component be used in automotive battery management systems?
Yes, the voltage and current ratings align with many 12 V and 24 V automotive applications, and the operating temperature range supports under-hood conditions. Ensure cable strain relief and proper sealing to meet vehicle-specific durability standards.
How does the solder termination method affect thermal performance?
Solder joints contribute thermal resistance, so using sufficient solder volume and thermal vias near the pad can improve heat dissipation into the PCB. Avoid excessive rework cycles that might degrade the pad surface and compromise long-term reliability.
Are there alternative connectors if a lower profile is required?
If board height is a constraint, evaluate surface-mount options with comparable electrical ratings. Confirm that any alternative supports similar current and voltage while fitting within your spatial and thermal constraints before changing the design.