High Power Surface Mount Resistor HPC

Product catalog summary

Overview: The HPC Series by Stackpole Electronics, Inc. is a high power surface mount resistor designed to enhance functional design and thermal management. It offers up to eight times more power than current SMD power resistors.

Features:

Power rating up to 12W without external heat sinks.
Compatible with conventional pick and place equipment.
Compact 0.5 x 0.5 PCB footprint.
Non-inductive resistive element with anodized heat sink top for 800V voltage withstand.
Short duration power up to 50W.
Available in 1% and 5% tolerance, RoHS compliant.

Electrical Specifications:

Power rating: 12W with airflow, 5W without.
Maximum working voltage: 200V, overload voltage: 400V.
Resistance range: 0.125 - 250K Ohms.
Temperature coefficient: ±150 ppm/ºC.

Mechanical Specifications:

Body dimensions: Length 0.48 inches, Width 0.5 inches, Height 0.4 inches.

Performance Characteristics:

Short time overload: 2.5x rated voltage for 5 seconds.
Dielectric withstanding voltage: 100VAC for 1 minute.
Resistance to soldering heat: 260ºC for 10 seconds.
Solderability: 95% coverage minimum.
Temperature cycle and endurance tests conducted.

Power Derating and Duration: Graphs indicate power derating with varying airflow and peak power duration under different duty cycles.

Ordering Information: Includes product series, size, power, tolerance, and packaging options.

Thermal Management: Guidelines for managing heat rise in high power resistors, emphasizing the importance of design techniques such as wider conductor traces and larger solder pads to manage thermal reduction.

Note: Final resistance value can be affected by board layout and assembly process, especially for resistance values ≤ 50 mΩ.