7-segment 3-digit Numeric LED Displays

SND-1830
SND-1837

7-segment 3-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. Standard with black face and milky white segment color.
6. Solid state reliability.
7. Choice of emitting color in red, orange and yellow-green.

Dimensions

Pin Layout

(Top View)

SND-1830-2
Note : SND-1837-2 has reversed polarity for all diodes.

SND-1830-3
Note : SND-1837-3 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	1800	2640	2640	2640
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	UR2			UR3			SR3			UG3
Parameter	Symbol	Condition	Unit	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 (VR = 10 V for UR2)	��A	--	--	10	--	--	10	--	--	10	--	--	10
Luminous Intensity / digit	IV	IF =15 mA	��cd	450	1500	--	800	2500	--	300	800	--	350	1000	--
Peak Wavelength	��P	IF =15 mA	nm	--	660	--	--	660	--	--	635	--	--	565	--
Spectral Line Halfwidth	�ĥ�	IF =15 mA	nm	--	20	--	--	20	--	--	35	--	--	30	--

Product Bulletin : ISPN.E001-127

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