SND-550
SND-557

7-segment 5-digit Numeric LED Displays
0.5"(12.7mm), High Reliability

Dimensions

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.

Pin Layout

(Top View)  

SND-550
 Note : SND-557 has reversed polarity for all diodes.

SND-550A
 Note : SND-557A has reversed polarity for all diodes.

Absolute Maximun Ratings (Ta = 25°C)

Parameter

Suffix

R

G

SR

UG

Emitting Color

Red

Green

Orange

Yellow-green

Unit \ Chip

GaP

GaP

GaAsP / GaP

GaP
Power Dissipation - Total

mW

1600

1600

1600

1600
Power Dissipation - Segment

mW

40

40

40

40
Forward Current

mA

20

20

20

20
Peak Forward Current

mA

*60

*60

*60

*60
Reverse Voltage

V

4

4

4

4
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

R

G

SR

UG

min.

typ.

max.

min.

typ.

max.

min.

typ.

max.

min.

typ.

max.
Forward Voltage / seg.

VF

IF =10 mA

V

--

2.1

2.3

--

2.1

2.3

--

2.0

2.2

--

2.1

2.3
Reverse Current / seg.

IR

VR = 4 V

レA

--

--

10

--

--

10

--

--

10

--

--

10
Luminous Intensity / digit

IV

IF =10 mA

レcd

300

800

--

350

900

--

700

1500

--

600

1500

--
Peak Wavelength

ルP

IF =10 mA

nm

--

700

--

--

555

--

--

635

--

--

565

--
Spectral Line Halfwidth

ツル

IF =10 mA

nm

--

100

--

--

30

--

--

35

--

--

30

--

Product Bulletin : ISPN.E001-061

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