Kingbright PSA12-11SURKWA: Hyper Red LED Display for Enhanced Visibility and Durability

The Kingbright PSA12-11SURKWA is a high-intensity Hyper Red LED display, designed for applications demanding clear visibility and robust performance. Constructed with AlGaInP on GaAs substrate, this 1.2-inch character height display offers a combination of efficiency, durability, and environmental compliance.

Key Features:

1.2 Inch Character Height for outstanding readability
Low Current Operation for energy conservation
High Contrast and Light Output for visibility in various lighting conditions
Easy Mounting on P.C. boards or sockets for seamless integration
Categorized for Luminous Intensity for tailored applications
Mechanically Rugged for dependable performance in harsh environments
Standard Gray Face with White Segment for clear display contrast
RoHS Compliant for environmental sustainability
Applications:

Home and Smart Appliances for clear digital display
Display Time and Digital Combination for easy readability
Industrial and Instrumental Applications for reliable performance
Numeric Status Indicators for various devices
Technical Specifications:

Peak Wavelength (λpeak): 645 nm at 10mA
Dominant Wavelength (λdom): 630 nm at 10mA
Spectral Bandwidth at 50% (Φ REL MAX): 28 nm at 10mA
Capacitance (C): 35 pF
Forward Voltage (VF): 1.85 to 2.35 V for digits (a,b,e,f,p,u and DP); 3.7 to 4.7 V for other segments
Reverse Current (IR): - 10 µA at 5V Reverse Voltage
Absolute Maximum Ratings:

Power Dissipation (Per chip): 75 mW
Reverse Voltage (Per chip): 5 V
Junction Temperature: 115 °C
Operating Temperature Range: -40 to +85 °C
Storage Temperature Range: -40 to +85 °C
DC Forward Current: 30 mA
Peak Forward Current: 185 mA
Electrostatic Discharge Threshold (HBM): 3000 V
Lead Solder Temperature: 260°C for 3-5 Seconds
Mounting Method:

Avoid bending component leads by hand; use proper tools
Ensure terminal pitch matches substrate board's hole pitch
Place component at least 5mm from PCB edge to avoid heat damage during soldering
Soldering Profile:

Pre-heat temperature of 105°C or less
Maximum solder bath temperature of 260°C for 3-5 seconds
Recommended SAC 305 solder alloy
Cleaning Instructions:

Use mild "no-clean" fluxes for soldering
Wash components with water only if necessary
Avoid harsh organic solvents that may damage plastic parts
Clean at room temperature and limit washing to one minute
Circuit Design Notes:

Use protective current-limiting resistors for safe operation
Design driving circuit to protect against reverse voltages and spikes
Choose safe operating current based on maximum ambient temperature
Avoid prolonged reverse bias to prevent metal migration
Precautionary Notes:

Document reflects representative usage scenarios for technical reference
Specifications subject to change; refer to latest datasheet before production
Operate products within specified limits; Kingbright not responsible for misuse
Contact Kingbright for special processes or applications with reliability requirements
Regulatory Approvals:

Adheres to various international standards and regulations