EEWORLDEEWORLDEEWORLD

Part Number

Search

307-312-21-50

Description
PANEL INDICATOR LEDs - í4.8mm Mounting
File Size319KB,3 Pages
ManufacturerMarl International
Websitehttps://www.leds.co.uk
Download Datasheet View All

307-312-21-50 Overview

PANEL INDICATOR LEDs - í4.8mm Mounting

PANEL INDICATOR LEDs - Ø4.8mm Mounting
FEATURES
Low profile lens styling
Smoked & water clear lens options
Flying lead terminations and low current versions
available
307
SERIES
PACK QUANTITY = 20 PIECES
Sealed to IP40
Supplied complete with mounting hardware
Product illustrated 307-303-21
Indicator secured to panel with spring steel
retaining clip
SPECIFICATIONS
Ordering Information & Typical T
echnical Characteristics (T
a = 25°C)
Mean Time Between Failure Typically = 100,000 Hours.
PART NUMBER
COLOUR
LENS
Luminous intensity figures refer to the unmodified discrete LED.
VOLTAGE
Vopr
CURRENT
lopr
LUMINOUS
lv@20mA
WAVE
λp
OPERATING
T
opr
STORAGE
T
stg
DC
DC
INTENSITY
LENGTH
TEMP
TEMP
STANDARD INTENSITY
307-303-21
307-306-21
307-309-21
307-312-21
Red
Orange
Yellow
Green
Colour Diffused
Colour Diffused
Colour Diffused
Colour Diffused
12
12
12
12
20
20
21
20
120
110
44
120
627
627
590
565
-0 ~ +85^
-0 ~ +85^
-0 ~ +85^
-0 ~ +85^
-0 ~ +85
-0 ~ +85
-0 ~ +85
-0 ~ +85
Yes
Yes
Yes
Yes
HIGH INTENSITY
307-301-21
307-325-21
307-324-21
307-934-21
307-998-21
307-301-23
307-325-23
307-324-23
307-934-23
307-998-23
UNITS
Red
Yellow
Green
Blue
Cold White
Red
Yellow
Green
Blue
Cold White
Colour Diffused
Colour Diffused
Colour Diffused
Colour Diffused
Colour Diffused
Colour Diffused
Colour Diffused
Colour Diffused
Colour Diffused
Colour Diffused
12
12
12
12
12
24-28
24-28
24-28
24-28
24-28
Vdc
20
20
20
20
20
20
20
20
20
20
mA
900
4300
7800
2300
4600
900
4300
7800
2300
4600
mcd
660
590
525
470
*see below
660
590
525
470
*see below
nm
-0 ~ +85^
-0 ~ +85^
-0 ~ +85^
-0 ~ +85^
-0 ~ +85^
-0 ~ +85^
-0 ~ +85^
-0 ~ +85^
-0 ~ +85^
-0 ~ +85^
0
-0 ~ +85
-0 ~ +85
-0 ~ +85
-0 ~ +85
-0 ~ +85
-0 ~ +85
-0 ~ +85
-0 ~ +85
-0 ~ +85
-0 ~ +85
0
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
C
C
x
y
998
0.296
0.276
*Typical
emission colour cold white
0.283
0.330
0.330
Intensities (lv) and colour shades of white (x,y co-ordinates) may vary between LEDs within
a batch.
0.305
0.339
0.318
^ = Products must be derated according to the derating information. Each derating graph refers to specific LEDs.
shown. Refer to page 3.
Appropriate LED numbers
How to Order:
website: www.marl.co.uk • email: sales@marl.co.uk •
T
elephone +44 (0)1229 582430
Fax: +44 (0)1229 585155
relating to either products or service.
for products or service.
The information contained in this datasheet does not constitute part of any order or contract and should not be regarded as a representation
Marl International reserve the right to alter without notice the specification or any conditions of supply
© MARL INTERNATIONAL LTD 2007 : DS046/07
Issue 1
SAMPLES AVAILABLE
Page 1 of
3
How can I understand the source code under linux/drive/mtd/nand
I'm going to study Linux recently and have been looking at the source code in the /nand directory. I don't understand a lot of it. Can anyone give me some advice?...
michael_tju Linux and Android
Single chip microcomputer system design
Dear brother, I am a student, currently I am making a measurement circuit using AT89C52 to control DS18B20 temperature display. There is no problem with the design during simulation, and the program i...
jw497616 MCU
When sending characters through the serial port, TRMT is always full, so the next data cannot be sent.
As the title says, only the first character can be sent successfully, and the rest cannot be sent because the TSR is always full. What is the reason? How to solve it?...
ljsvws Embedded System
ATMega16 drives 12864 lcd - drawing - drawing dots
Because I have been looking at it online for a long time, it is a bit difficult to draw points in 12864 drawing. Because the LCD chips are different, the drivers will be different. So I posted what I ...
wanghuahua Embedded System
100 points for WinCE driver development e-book or information! ! 1
Does anyone have the e-book of Win CE Device Driver Kit (Device Driver Design Guide) or any information about RT? Can you give me a copy? Thank you! ! m-ja@163.com...
zyyu Embedded System

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 1198  262  768  1349  101  25  6  16  28  3 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号