Page 1
ULTRA-BRIGHT T-1 3/
4 (5 mm)
LED LAMP - Water Clear
0.040 (1.02)
0.200 (5.08)
0.180 (4.57)
0.050 (1.27)
REF.
0.100 (2.54)
0.350 (8.89)
0.330 (8.38)
1.00 (25.4)
MIN
C
L
0.100 (2.54)
REF.
Ø 0.230 (5.84)
0.023 (0.58)
0.017 (0.43)
SQ. TYP. (2X)
0.050 (1.27)
FLAT DENOTES
CATHODE
NOTES:
1. Dimensions for all drawings are in inches (mm).
2. Lead spacing is measured where the leads emerge from
the package.
3. Protruded resin under the flange is 1.5 mm (0.059") max.
2001 Fairchild Semiconductor Corporation
DS300026 4/13/01 1 OF 4 www.fairchildsemi.com
PACKAGE DIMENSIONS
DESCRIPTION
MV8834T and MV8334T, T-1 3/4 ultra-bright LED lamps that utilize TS-AllnGaP technology, have a
moderate viewing angle of 30°. They are encapsulated in a water clear epoxy lens package.
MV8834T RED MV8334T AMBER
FEATURES
• Popular T-1 3/4 package
• Solid state reliability
• Water clear optics
• Standard 100 mil. lead spacing
APPLICATIONS
• Traffic management (e.g., traffic signals, variable
message signs, and etc.)
• Signage (indoor and outdoor)
Page 2
www.fairchildsemi.com 2 OF 4 4/13/01 DS300026
Part Number
RED AMBER
Condition
MV8834T MV8334T
Luminous Intensity (mcd) IF= 20 mA
Minimum 1000 1000
Typical 2200 2200
Forward Voltage (V) IF= 20 mA
Maximum 2.4 2.4
Typical 2.0 2.2
Wavelength (nm)
Peak 635 594 I
F
= 20 mA
Dominant 630 592
Spectral Line Half Width (nm) 20 20 IF= 20 mA
Viewing Angle (°) 30 30 IF= 20 mA
ELECTRICAL / OPTICAL CHARACTERISTICS
(T
A =25°C)
Parameter Symbol Rating Unit
Operating Temperature T
OPR
-40 to +100 °C
Storage Temperature T
STG
-40 to +110 °C
Lead Soldering Time T
SOL
260 for 5 sec °C
Continuous Forward Current I
F
50 mA
Peak Forward Current
I
F
100 mA
(f = 1.0 KHz, Duty Factor = 1/10)
Reverse Voltage (IR = 100 µA) V
R
5V
Power Dissipation P
D
100 mW
ABSOLUTE MAXIMUM RATINGS
(TA= 25°C unless otherwise specified)
ULTRA-BRIGHT T-1 3/
4 (5 mm)
LED LAMP - Water Clear
MV8834T RED MV8334T AMBER
Page 3
TYPICAL PERFORMANCE CURVES
DS300026 4/13/01 3 OF 4 www.fairchildsemi.com
ULTRA-BRIGHT T-1 3/
4 (5 mm)
LED LAMP - Water Clear
MV8834T RED MV8334T AMBER
Fig. 1 Forward Current vs. Forward Voltage
100
90
80
70
60
50
40
30
- FORWARD CURRENT (mA)
20
F
I
10
0
1.0 1.5 2.0 2.5 3.0
VF - FORWARD VOLTAGE (V)
AMBERRED
Fig. 3 Relative Intensity vs Peak Wavelength
1.0
AMBER RED
0.5
RELATIVE INTENSITY
0
550 600 650 700
WAVELENGTH - nm
Fig. 2 Relative Luminous Intensity vs. DC Forward Current
2.5
2.0
1.5
1.0
(NORMALIZED AT 20 mA)
0.5
RELATIVE LUMNOUS INTENSITY
0.0
01020304050
IF - DC FORWARD CURRENT (mA)
Fig. 4 Radiation Diagram
0˚
10˚
-80˚
-90˚
-70˚
-60˚
-10˚
-20˚
-30˚
-40˚
-50˚
REL. LUMINOUS INTENSITY (%)
20˚
30˚
40˚
50˚
60˚
70˚
0 20406080100020406080100
80˚
90˚
Fig. 5 Current Derating Curve
70
60
50
40
30
20
- FORWARD CURRENT (mA)
F
I
10
0
0 20 40 60 80 100 120
TA - AMBIENT TEMPERATURE (˚C)
Page 4
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO
ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME
ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or
systems which, (a) are intended for surgical
implant into the body,or (b) support or sustain life,
and (c) whose failure to perform when properly
used in accordance with instructions for use provided
in labeling, can be reasonably expected to result in a
significant injury of the user.
2. A critical component in any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life
support device or system, or to affect its safety or
effectiveness.
www.fairchildsemi.com 4 OF 4 4/13/01 DS300026
ULTRA-BRIGHT T-1 3/
4 (5 mm)
LED LAMP - Water Clear
MV8834T RED MV8334T AMBER
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