SC39-12YWA: High Visibility Yellow Single Digit Numeric Display

The SC39-12YWA numeric display is designed for applications that require clear and bright illumination with a yellow light source. Its 0.39-inch digit height ensures excellent visibility and character appearance.

Features:

0.39-inch digit height for high visibility.
Low current operation for energy efficiency.
Excellent character appearance for clear readability.
Easy mounting on PC boards or sockets for versatile installation.
Mechanically rugged for durability.
Standard gray face with white segment for high contrast visibility.
RoHS compliant for environmental sustainability.
Applications:

Home and smart appliances.
Display time and digital combinations.
Industrial and instrumental applications.
Numeric status indicators.
Technical Specifications:

Luminance: The SC39-12YWA offers a luminous intensity of 1400 to 3000 mcd, ensuring it is visible in various lighting conditions.
Wavelength: The peak wavelength is at 590 nm, providing a bright yellow color.
Forward Voltage: Operates at a forward voltage of 1.95 to 2.4 V at 10 mA.
Reverse Current: Features a low reverse current of 10 µA at 5V.
Capacitance: The display has a capacitance of 20 pF.
Power Dissipation: Can handle up to 75 mW.
Operating/Storage Temperature: Suitable for a wide range of temperatures from -40°C to +85°C.
Lead Solder Temperature: Withstands 260°C for 3-5 seconds.
Selection Guide:
The SC39-12YWA is available with a white diffused lens, providing a common cathode, right-hand decimal point configuration. The luminous intensity and luminous flux are within +/-15% tolerance, traceable to CIE127-2007 standards.

Absolute Maximum Ratings:

DC Forward Current: Up to 30 mA.
Peak Forward Current: Up to 140 mA.
Reverse Voltage: 5 V.
Electrical/Optical Characteristics:

Wavelength at Peak Emission: 590 nm at 10 mA.
Dominant Wavelength: 588 nm at 10 mA.
Spectral Bandwidth at 50%: 35 nm at 10 mA.
Recommended Solder Profile:

Pre-heat temperature of 105°C or less.
Peak wave soldering temperature between 245°C and 255°C for 3 seconds (5 seconds max).
Do not apply stress to the epoxy resin while the temperature is above 85°C.
Packing & Label Specifications:
The SC39-12YWA is carefully packaged to ensure safe delivery and meets specific labeling standards for quality assurance.

Circuit Design Notes:

Protective current-limiting resistors may be necessary to operate the LEDs within the specified range.
LEDs mounted in parallel should each be placed in series with its own current-limiting resistor.
The driving circuit should be designed to protect the LED against reverse voltages and transient voltage spikes.
Precautionary Notes:

The information included in this document reflects representative usage scenarios and is intended for technical reference only.
The part number, type, and specifications mentioned in this document are subject to future change and improvement without notice.
Technical Data:
The SC39-12YWA provides a detailed graph of relative intensity versus wavelength, and forward current versus forward voltage to assist in design and implementation.