SND-1820
SND-1827

7-segment 2-digit Numeric LED Displays
1.8"(45.0mm), High Reliability


Features

1. High brightness with high contrast.
2. Low power consumption.
3. Uniform brightness and wide view angle.
4. Cathode-common and anode common types available.

5. Emitting color available in red, green, orange and yellow-green.

6. Standard with black face and milky white segment color.
7. Solid state reliability.

Dimensions

Pin Layout

  

(Top View)

  

 

SND-1820-2
 Note : SND-1827-2 has reversed polarity for all diodes.

 SND-1820-3
 Note : SND-1827-3 has reversed polarity for all diodes.

Absolute Maximun Ratings (Ta = 25°C)

Parameter

Suffix

UR2

UR3

SR3

UG3

Emitting Color

Red

Red

Orange

Yellow-green

Unit \ Chip

GaAlAs

GaAlAs

GaAsP / GaP

GaP

Power Dissipation - Total

mW

1200

1760

1760

1760

Power Dissipation - Segment

mW

80

120

120

120

Forward Current

mA

20

20

20

20

Peak Forward Current

mA

*60

*60

*60

*60

Reverse Voltage

V

10

15

15

15

Operating Temperature

°C

-25 ~ 85

-25 ~ 85

-25 ~ 85

-25 ~ 85

Storage Temperture

°C

-55 ~ 100

-55 ~ 100

-55 ~ 100

-55 ~ 100

* 1 msec pulse width, 1/5 duty cycle

Electrical / Optical Characteristics (Ta = 25°C)

Parameter

Symbol

Condition

Unit

UR

SR

SR2

UG2

min.

typ.

max.

min.

typ.

max.

min.

typ.

max.

min.

typ.

max.

Forward Voltage / seg.

VF

IF =15 mA

V

--

3.8

4.0

--

5.6

6.0

--

6.0

6.6

--

6.3

6.9

Reverse Current / seg.

IR

VR = 15 V

レA

--

--

10

--

--

10

--

--

10

--

--

10

Luminous Intensity / digit

IV

IF =15 mA

レcd

450

1500

--

800

2500

--

300

800

--

350

1000

--

Peak Wavelength

P

IF =15 mA

nm

--

660

--

--

660

--

--

635

--

--

565

--

Spectral Line Halfwidth

ツル

IF =15 mA

nm

--

20

--

--

20

--

--

35

--

--

30

--


Product Bulletin : ISPN.E001-123

End of page (06/20/96, Last Update on 05/20/06)