0.4 inch 4 digit 7 segment display,4 digit LED digital tube with 4 decimal points,0.4" seven segment display,through hole LED indicator,common cathode module for precision meter thermostat timer scale
cathode led digital tube
,cathode seven segment display
,0.4 inch led digital tube
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Product Description
Why Choose Our 0.4 Inch 4 Digit LED 7 Segment Display?
Standard 0.4-inch digit height, balanced size for medium PCB devices, clear readability without occupying excessive board space
Matte black anti-glare mask fully blocks stray light, eliminates light crosstalk between segments, sharp digits under all indoor lighting
Four independent decimal points (each digit matched with one dot), ideal for high-precision data display like voltage, pressure, temperature and weight
Dual polarity options: common anode / common cathode, fully compatible with all mainstream MCU circuit systems
Full luminous color series: red, green, blue, pure white, yellow, adjustable brightness for different product grades
Standard through-hole DIP pin structure, compatible with wave soldering and manual welding for mass production
Wide operating temperature range: -20℃ ~ +85℃, stable continuous operation for industrial and household equipment
Custom service supported: customized pin definition, surface silk screen, special brightness adjustment, customized packaging
Sufficient stock for standard models, 3-7 days fast lead time for large wholesale orders
Wide Application
Specification Table
| Item | Specification |
|---|---|
| Digit Size | 0.4 inch |
| Digit Quantity | 4 digits, each digit with independent decimal point |
| Mounting Type | Through hole DIP dual in-line package |
| Polarity | Common Anode / Common Cathode optional |
| Optional Luminous Color | Red, Green, Blue, White, Yellow |
| Operating Temperature | -20℃ ~ +85℃ |
| Driver Compatibility | TM1637, 74HC573, CD4511, MAX7219 and other mainstream driver ICs |
Our Factory Advantages
100% full lighting aging inspection before shipment, zero defective rate guarantee
Flexible MOQ: small sample trial orders and large bulk wholesale both acceptable
Professional electronic engineering team, free circuit matching technical guidance
All products comply with RoHS & REACH standards, meet EU and global export requirements
Stable monthly production capacity, on-time delivery for long-term cooperative clients
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