Ultra Bright White 7mm 4-Digit 7-Segment LED Display
Space-saving, high-visibility solution engineered for digital
timers, LED clocks, and compact home appliances. Designed to
prioritize miniaturization, clear time readouts, and energy
efficiency.
Key Features for Digital Timers & Clocks
Ultra-Compact Design for Timekeeping Devices
- Slim 32.1×10×5.8mm dimensions fit portable digital timers and slim
LED clocks
- 7mm (0.28-inch) character height balances miniaturization with
readability
- Industrial standard size enables drop-in replacement for outdated
timers/clocks
Superior Visibility for Time Readouts
- Ultra bright white illumination ensures clarity in bright
environments
- Yellow epoxy black surface softens harsh white light while boosting
contrast
- Even segment lighting guarantees consistent readability of time
details
Energy Efficiency & Reliable Performance
- Low power consumption extends battery life for portable timers
- Stable operation withstands temperature fluctuations and minor
vibrations
- Long lifespan (50,000+ hours) matches 5-8 year service life of most
timers/clocks
Versatility & Compliance
- Common anode polarity works with standard timer/clock driver ICs
- Multi-color options available: red, blue, green, amber, orange, and
yellow
- RoHS/REACH compliant for global market safety standards
Technical Specifications
| Category | Parameter | Specification |
|---|
| Basic Design | Display Type | 4-Digit 7-Segment LED Display |
| Basic Design | Polarity | Common Anode |
| Basic Design | Character Height | 7mm (0.28 inch) |
| Basic Design | Outer Dimensions | 32.1 × 10 × 5.8mm |
| Basic Design | Segment/Surface Finish | Yellow Epoxy with Black Surface |
| Optical Performance | Emitting Color | Primary: Ultra Bright White; Optional:
Red/blue/green/amber/orange/yellow |
| Electrical Parameters | Forward Voltage (VF) | Optimized for high luminous intensity |
| Electrical Parameters | Recommended Forward Current | 5-10mA per LED |
| Electrical Parameters | Power Consumption | Low (energy-efficient for continuous timekeeping) |
| Quality & Compliance | Core Advantages | Even light distribution, bright ambient reliability, stable
performance |
| Quality & Compliance | Compliance | RoHS Compliant, REACH Compliant |
Absolute Maximum Ratings (Ta=25°C)
| Parameter | Symbol | Ratings | Unit |
|---|
| Forward Current (per dice) | Ipm | 20 | mA |
| Reverse Voltage (per dice) | Vr | 5 | V |
| Power Dissipation (per dice) | Pm | 80 | mW |
| Operating Temperature Range | Topr | -40~+85 | °C |
| Storage Temperature Range | Tstg | -40~+85 | °C |
| Solder Temperature (≤3 seconds) | Th | 260 | °C |
Electrical Characteristics by Color Code
Yellow Green (Code: J)
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
|---|
| Forward Voltage | Vf | If=10mA | 1.8 |
| 2.4 | V |
| Reverse Voltage | Vr | Ir=10uA | 5 |
|
| V |
| Luminous Intensity | Iv | If=10mA | 30 |
| 40 | mcd |
| Wavelength | Dλ | If=10mA | 569 |
| 574 | nm |
Amber/Yellow (Code: Y)
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
|---|
| Forward Voltage | Vf | If=10mA | 1.8 |
| 2.5 | V |
| Luminous Intensity | Iv | If=10mA | 60 |
| 80 | mcd |
| Wavelength | Dλ | If=10mA | 585 |
| 595 | nm |
Ultra Bright White (Code: WH)
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
|---|
| Forward Voltage | Vf | If=10mA | 2.8 |
| 3.2 | V |
| Luminous Intensity | Iv | If=10mA | 120 |
| 140 | mcd |
| LED Color Temperature | K | If=10mA | 5500 | 20 | 6800 | K |
Applications
- Digital Timers: Kitchen countdown timers, fitness timers,
industrial process timers
- LED Clocks: Slim wall clocks, desk clocks, smart home clocks
- Home Appliances: Microwave timers, oven timers, washing machine
cycle timers
- Instrument Panels: Audio equipment, set-top boxes, portable
generators
Why Choose This Display for Digital Timers?
Time readout clarity with ultra bright white light and yellow epoxy
surface ensures visibility at a glance. Ultra-compact size works
for portable timers and slim clocks without compromising device
design. Low current use extends portable timer battery life.
Industrial standard size enables drop-in replacement for old
displays. RoHS/REACH certification simplifies export to
international markets.
Order & Logistics Information
Minimum Order Quantity: 300 pieces for standard ultra bright white
models; 500 pieces for custom colors/configurations.
Packing: Anti-static EPE + carton with individual wrapping to
protect surfaces and pins.
Delivery Time: 5-7 days for standard models; 10-12 days for custom
colors.
Transport: Express, Air, Ocean available.
Manufacturer Information
SHENZHEN GUANGZHIBAO TECHNOLOGY CO., LTD. (BRAND: LIGHT-BO)
established in 2006. ISO 9001:2015 certified company with over 15
years OEM and ODM experience. Committed to providing high quality,
low cost customized solutions.
Frequently Asked Questions
Are you trading company or manufacturer?
We are original manufacturer with more than 20 years experience in
optoelectronic LED displays.
What is your main products?
Our main products include 7 Segment LED display, SMD LED Display,
Dot matrix LED Display, Arrow LED display, Custom Design LED
Display, LED light bar, Through hole led, SMD LEDs, LED Backlights,
and more.
What is your MOQ?
Our MOQ is 1000 pcs, but we can accept sample orders and small
orders with quantity less than our MOQ.
Before placing order, Can I get some samples for test?
Yes. We can provide 5-10 free samples for your testing, but the
freight cost will be borne by the customer.
How long is your delivery time?
Delivery time: About 10-20 days; According to order quantity and
raw materials. For urgent orders with available raw materials, we
can adjust production plan for 7-10 day delivery.
What is your terms of payment?
We accept bank transfer, T/T, Western Union and Paypal with small
amount. Payment methods are negotiable.
Can you quote me FOB prices?
Yes. We can quote prices based on incoterms EXW, FOB, CIF, DDP.
Can I negotiate the prices?
Yes, we may consider discounts for bulk orders.
Can you do custom design products?
Yes, OEM & ODM service are available. We can customize sizes, LED
color and functional icons according to your requirements.
How do you ensure the quality of your products?
We are ISO 9001 QMS certified manufacturers with more than 20 years
experience. We conduct twice 100% testing for all products before
shipment.
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