3161AS Red 7-Segment Single-Digit Display with Common Cathode (9mm)

The 3161AS is a compact, 7-segment LED display module that presents a single digit with a height of 0.36 inches (9mm). This module, featuring a common cathode configuration, emits an ultra-bright red light. It is an ideal choice for digital clocks, counters, meters, and any other applications that require a small footprint and clear numeric display.

🔧 Technical Specifications

• Model: 3161AS
• Number of Digits: 1
• Display Type: 7-segment
• Digit Height: 0.36 inch (9 mm)
• Emission Color: Ultra bright red
• Connection Type: Common Cathode
• Appearance: Black surface with white segments

⚙️ Electrical Characteristics (at 25°C)

• Peak Wavelength (λp): 640 nm
• Forward Voltage (Vf): 1.8 V (typical at 10 mA)
• Reverse Current (IR): ≤ 50 μA (at 5V reverse voltage)
• Continuous Forward Current: 30 mA per segment
• Peak Forward Current: 200 mA (1/10 duty cycle, 10 kHz)
• Power Dissipation: 100 mW per segment
• Operating Temperature: -20°C to +75°C
• Storage Temperature: -20°C to +85°C
• Soldering Temperature: 230°C for 5 seconds (1.6 mm from base)

📏 Physical Dimensions

• Overall Dimensions: Approx. 12.7 mm (W) × 19.1 mm (H) × 8 mm (D)
• Pin Pitch: 2.54 mm
• Total Pin Count: Typically 10 pins