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| SEVEN SEGMENT LED >> THREE DIGITS >> 0.40 inch three seven segment led display 
.gif) | Product: | 0.40 inch three seven segment led display |
| P/N: | BL-T40A-31,BL-T40B-31 | |
| Dimension: | 30.10x16.00mm | |
| kinds | SEVEN SEGMENT LED -> THREE DIGITS | |
| Datasheet: |  |
Feature:
0.40 inch three numeric LED display
0.40 inch digit height(10.20mm)
widthxheight:30.1016.00mm
Low Current Operation
Common Anode and Common Cathode available
Excellent Character Appearance
High Light Output
Easy Mounting On PC Boards or Sockets
IC Compatible
Multicolor Available
Categorized for Luminous Intensity
Technically Rugged
Standard: Gray Surface, White Segment
RoHs Compliance
Super Bright LED Electrical-optical characteristics: (Ta=25°C) (Test Condition: IF=20mA)
Electrical-optical characteristics:(Ta=25C) (Test Condition:IF=20mA)
| Part No Common Cathode | Part No Common Anode | Color | Wave length | (V) typ | (V) Max | Bright (mcd) |
| BL-T40A-31H | BL-T40B-31H | Red | 700 | 2.25 | 2.6 | 9.5 |
| BL-T40A-31D | BL-T40B-31D | Super Red | 660 | 1.85 | 2.2 | 110 |
| BL-T40A-31S | BL-T40B-31S | Hi Red | 660 | 1.85 | 2.2 | 95 |
| BL-T40A-31UR | BL-T40B-31UR | Ultra Red | 660 | 1.85 | 2.2 | 115 |
| BL-T40A-31E | BL-T40B-31E | Orange | 635 | 2.1 | 2.5 | 60 |
| BL-T40A-31UE | BL-T40B-31UE | Ultra Orange | 630 | 2.1 | 2.5 | 85 |
| BL-T40A-31UY | BL-T40B-31UY | Ultra Yellow | 590 | 2.1 | 2.5 | 70 |
| BL-T40A-31Y | BL-T40B-31Y | Yellow | 585 | 2.1 | 2.5 | 60 |
| BL-T40A-31UG | BL-T40B-31UG | Ultra Green | 574 | 2.2 | 2.5 | 120 |
| BL-T40A-31G | BL-T40B-31G | Green | 570 | 2.2 | 2.5 | 50 |
| BL-T40A-31PG | BL-T40B-31PG | Ultra Pure Green | 525 | 3.0 | 4.2 | 180 |
| BL-T40A-31UB | BL-T40B-31UB | ultra Blue | 470 | 3.0 | 4.2 | 90 |
| BL-T40A-31B | BL-T40B-31B | ultra Blue | 470 | 3.0 | 4.2 | 50 |
| BL-T40A-31W | BL-T40B-31W | Ultra White | / | 2.7 | 4.2 | 125 |
Package configuration & Internal circuit diagram
Notes:
1)All dimensions are in millimeters (inches)
2)Tolerance is ±0.25(0.01")unless otherwise noted.
3)Specifications are subject to change without notice.
Reflector Surface color (1st number)/ Segment Lens color (2nd number):
| Number | 0 | 1 | 2 | 3 | 4 | 5 |
| Ref Surface Color | White | Black | Gray | Red | Green | |
| Epoxy Color | Water clear | White diffused | Red Diffused | Green Diffused | Yellow Diffused |
| Parameter | S | D | UR | E | Y | G | Unit | |
| Forward Current IF | 25 | 25 | 25 | 25 | 25 | 30 | mA | |
| Power Dissipation Pd | 60 | 60 | 60 | 60 | 60 | 65 | mW | |
| Reverse Voltage VR | 5 | 5 | 5 | 5 | 5 | 5 | V | |
| Peak Forward Current IPF (Duty 1/10 @1KHZ) | 150 | 150 | 150 | 150 | 150 | 150 | mA | |
| Operation Temperature TOPR | -40 to +80 | °C | ||||||
| Storage Temperature TSTG | -40 to +85 | °C | ||||||
| Lead Soldering Temperature TSOL | Max.260± 5°C for 3 sec Max. ( 1.6mm from the base of the epoxy bulb) | °C | ||||||
| Parameter | UHR | UE | YO | UY | UG | PG | UB | UW | Unit |
| Forward Current IF | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | mA |
| Power Dissipation Pd | 75 | 65 | 65 | 65 | 75 | 110 | 120 | 120 | mW |
| Reverse Voltage VR | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | V |
| Peak Forward Current IPF (Duty 1/10 @1KHZ) | 150 | 150 | 150 | 150 | 150 | 150 | 100 | 100 | mA |
| Operation Temperature TOPR | -40 to +80 | °C | |||||||
| Storage Temperature TSTG | -40 to +85 | °C | |||||||
| Lead Soldering Temperature TSOL | Max.260± 5°C for 3 sec Max. ( 1.6mm from the base of the epoxy bulb) | °C | |||||||
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