Telefunken TLDR4400 Datasheet
TLDR4400
Vishay Telefunken
High Intensity LED, ø 3 mm Tinted Diffused
Color Type Technology Angle of Half Intensity
Double hetero red TLDR4400 GaAlAs on GaAs 40
±
ö
°
Description
This LED contains the double heterojunction (DH)
GaAlAs on GaAs technology.
This deep red LED can be utilized over a wide range
of drive current. It can be DC or pulse driven to achieve
desired light output.
The device is available in a 3 mm tinted diffused
package.
Features
D
Exceptional brightness
D
Very high intensity even at low drive currents
D
Wide viewing angle
D
Low forward voltage
D
3 mm (T–1) tinted diffused package
D
Deep red color
D
Categorized for luminous intensity
D
Outstanding material efficiency
Applications
Bright ambient lighting conditions
Battery powered equipment
Indoor and outdoor information displays
Portable equipment
Telecommunication indicators
General use
94 8398
Document Number 83001
Rev. A1, 04-Feb-99
www.vishay .de • FaxBack +1-408-970-5600
1 (5)
TLDR4400
y
Vishay Telefunken
Absolute Maximum Ratings
T
= 25_C, unless otherwise specified
amb
TLDR4400
Parameter Test Conditions Symbol Value Unit
Reverse voltage V
DC forward current T
Surge forward current tp ≤ 10 ms I
Power dissipation T
Junction temperature T
Operating temperature range T
Storage temperature range T
Soldering temperature t ≤ 5 s, 2 mm from body T
Thermal resistance junction/ambient R
Optical and Electrical Characteristics
T
= 25_C, unless otherwise specified
amb
Double hetero red (TLDR4400 )
≤ 60°C I
amb
≤ 60°C P
amb
R
F
FSM
V
amb
stg
sd
thJA
6 V
50 mA
1 A
100 mW
j
100
–20 to +100
–55 to +100
260
°
C
°
C
°
C
°
C
400 K/W
Parameter Test Conditions T ype Symbol Min Typ Max Unit
Luminous intensity IF = 20 mA I
IF = 1 mA I
Dominant wavelength IF = 20 mA
Peak wavelength IF = 20 mA
Spectral line half width IF = 20 mA
l
l
Dl
V
V
d
p
25 45 mcd
2 mcd
648 nm
650 nm
20 nm
Angle of half intensity IF = 20 mA ϕ ±40 deg
Forward voltage IF = 20 mA V
Reverse current VR = 6 V I
Junction capacitance VR = 0, f = 1 MHz C
Typical Characteristics (T
125
100
75
50
V
25
P – Power Dissipation ( mW )
= 25_C, unless otherwise specified)
amb
60
50
40
30
20
F
I – Forward Current ( mA )
10
F
R
j
1.8 2.2 V
10
m
30 pF
A
0
020406080
T
95 10904
Figure 1 Power Dissipation vs. Ambient Temperature
www.vishay .de • FaxBack +1-408-970-5600 Document Number 83001
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– Ambient Temperature ( °C )
amb
100
0
020406080
T
95 10095
Figure 2 Forward Current vs. Ambient Temperature
– Ambient Temperature ( °C )
amb
100
Rev. A1, 04-Feb-99
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