Three Digit LED seven segment Displays
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| SEVEN SEGMENT LED >> THREE DIGITS >> 0.31 inch three seven segment led display 
.jpg) | product | 0.31 inch three seven segment led display |
| Part NO | BL-T31A-32,BL-T31B-32 | |
| Dimension | 21 x 11mm | |
| kinds | SEVEN SEGMENT LED -> THREE DIGITS | |
| Datasheet |  |
Feature:
0.31 inch three numeric LED display
0.31 inch digit height(8.00mm)
widthxheight:21*11mm
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
Applied for:
Super Bright LED Electrical-optical characteristics: (Ta=25掳C) (Test Condition: IF=20mA)
Electrical-optical characteristics:(Ta=25C) (Test Condition:IF=20mA)
| Part No C.C. | Part No C.A. | color | wavelength | V typical | V max | Brightness |
| BL-T31A-32H | BL-T31B-32H | Red | 700 | 2.25 | 2.6 | 10.5 |
| BL-T31A-32D | BL-T31B-32D | Super Bright Red | 660 | 1.85 | 2.2 | 120 |
| BL-T31A-32S | BL-T31B-32S | High Bright Red | 660 | 1.85 | 2.2 | 105 |
| BL-T31A-32UR | BL-T31B-32UR | Ultra Bright Red | 660 | 1.85 | 2.2 | 155 |
| BL-T31A-32E | BL-T31B-32E | Orange | 635 | 2.1 | 2.5 | 55 |
| BL-T31A-32UE | BL-T31B-32UE | High Bright Orange | 630 | 2.1 | 2.5 | 120 |
| BL-T31A-32UY | BL-T31B-32UY | High Bright Yellow | 590 | 2.1 | 2.5 | 120 |
| BL-T31A-32Y | BL-T31B-32Y | Yellow | 585 | 2.1 | 2.5 | 55 |
| BL-T31A-32UG | BL-T31B-32UG | High Bright Green | 574 | 2.2 | 2.5 | 110 |
| BL-T31A-32G | BL-T31B-32G | Green | 570 | 2.2 | 2.5 | 50 |
| BL-T31A-32PG | BL-T31B-32PG | Super Pure Green | 525 | 3.0 | 4.2 | 170 |
| BL-T31A-32UB | BL-T31B-32UB | Super Bright Blue | 470 | 3.0 | 4.2 | 80 |
| BL-T31A-32B | BL-T31B-32B | Super Bright Blue | 470 | 3.0 | 4.2 | 45 |
Package configuration & Internal circuit diagram
Notes:
1)All dimensions are in millimeters (inches)
2)Tolerance is 卤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 | 掳C | ||||||
| Storage Temperature TSTG | -40 to +85 | 掳C | ||||||
| Lead Soldering Temperature TSOL | Max.260卤 5掳C for 3 sec Max. ( 1.6mm from the base of the epoxy bulb) | 掳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 | 掳C | |||||||
| Storage Temperature TSTG | -40 to +85 | 掳C | |||||||
| Lead Soldering Temperature TSOL | Max.260卤 5掳C for 3 sec Max. ( 1.6mm from the base of the epoxy bulb) | 掳C | |||||||
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