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SPECIFICATION
PART NO. : MT4194-HR-A 1.0x4.8mm RECTANGULAR LAMP(STEP TYPE)
ATTENTION
OBSERVE PRECAUTION FOR HANDLING ELECTRO STATIC SENSITIVE DEVICES
MT4194-HR-A
Description
1.0x4.8mm RECTANGULAR LAMP(STEP TYPE)
This Hi-Effect red lamp is made with GaAsP/GaP chip and red diffused epoxy resin.
0.5 MAX.
A
K
Notes: 1. All dimensions are in mm. 2. Tolerance is 0.25mm unless otherwise noted.
Description
LED Chip Part No.
Material GaAsP/GaP Emitting Color Hi-Effect Red
Lens Color
MT4194-HR-A
Red diffused
VER.: 01
Date: 2007/11/02
Page: 1/5
MT4194-HR-A
Absolute Maximum Ratings at Ta=25
Parameter
Power Dissipation Reverse Voltage D.C. Forward Current Reverse (Leakage) Current Peak Current(1/10Duty Cycle,0.1ms Pulse Width.) Operating Temperature Range Storage Temperature Range Soldering Temperature(1.6mm from body)
1.0x4.8mm RECTANGULAR LAMP(STEP TYPE)
Symbol
PD VR If Ir If(Peak) Topr. Tstg. Tsol
Rating
78 5 30 100 100 -40 to +95 -40 to +100 Dip Soldering : 260 Hand Soldering : 350
Unit
mW V mA A mA
for 5 sec. for 3 sec.
Electrical and Optical Characteristics:
Parameter
Luminous Intensity Forward Voltage Peak Wavelength Dominant Wavelength Reverse (Leakage) Current Viewing Angle Spectrum Line Halfwidth 2
Symbol
IV Vf p d Ir 1/2
Condition
If=20mA If=20mA If=20mA If=20mA Vr=5V If=20mA If=20mA
Min.
3.0
Typ.
8.0 2.1 642
Max.
13.7 2.6
Unit
mcd V nm
624
629
636 100
nm A deg nm
120 35
Notes:1. The datas tested by IS tester. 2. Customer's special requirements are also welcome.
VER.: 01
Date: 2007/11/02
Page: 2/5
MT4194-HR-A
1.0x4.8mm RECTANGULAR LAMP(STEP TYPE)
Typical Electrical / Optical Characteristics Curves :
50 40 30 20 10
10.0 Relative Luminous Intensity 8.0 6.0 4.0 2.0 0
Forward Current IF(mA)
1.2
1.6
2.0
2.4
2.8
3.2
0.0
10.0
20.0
30.0
Applied Voltage (V)
Forward Current (mA)
FORWARD CURRENT VS. LUMINOUS INTENSITY
FORWARD CURRENT VS.APPLIED VOLTAGE
0
50 40 30
10
20 30
Forward Current IF(mA)
40 1.0 50 60 70 80 90 0.5 0.3 0.1 0.2 0.4 0.6
20 10
0.9 0.8
0
20 40 60 Temperature ( )
80
100
0.7
FORWARD CURRENT VS. AMBIENT TEMPERATURE
RADIATION DIAGRAM
VER.: 01
Date: 2007/11/02
Page: 3/5
MT4194-HR-A
Specifications for Bin Grading: Iv(mcd) BIN A B C D Specifications for Vf Group: Vf(V) Group V1 V2 V3 V4 V5 MIN. 1.6 1.8 2.0 2.2 2.4 MIN. 3.0 5.0 7.0 9.8
1.0x4.8mm RECTANGULAR LAMP(STEP TYPE)
MAX. 5.0 7.0 9.8 13.7
MAX. 1.8 2.0 2.2 2.4 2.6
*Majority VF bins are highlighted in Yellow.
Specifications for Wavelength Group: D(nm) @20mA Group X3 X4 X5 X6 MIN. 624 627 630 633 MAX. 627 630 633 636
VER.: 01
Date: 2007/11/02
Page: 4/5
MT4194-HR-A
Precautions:
TAKE NOTE OF THE FOLLOWING IN USE OF LED 1. Temperature in use
1.0x4.8mm RECTANGULAR LAMP(STEP TYPE)
Since the light generated inside the LED needs to be emitted to outside efficiently, a resin with high light transparency is used; therefore, additives to improve the heat resistance or moisture resistance (silica gel , etc) which are used for semiconductor products such as transistors cannot be added to the resin. Consequently, the heat resistant ability of the resin used for LED is usually low; therefore, please be careful on the following during use. Avoid applying external force, stress, and excessive vibration to the resins and terminals at high temperature. The glass transition temperature of epoxy resin used for the LED is approximately 120-130 . At a temperature exceeding this limit, the coefficient of liner expansion of the resin doubles or more compared to that at normal temperature and the resin is softened. If external force or stress is applied at that time, it may cause a wire rupture. 2. Soldering Please be careful on the following at soldering. After soldering, avoided applying external force, stress, and excessive vibration until the products go to cooling process (normal temperature), (1) (2) (3) Soldering measurements: Distance between melted solder side to bottom of resin shall be 1.6mm or longer. Solder dip: Preheat: 90 Solder bath: 260 5 Soldering iron : 350 max. (Backside of PCB), Within 60 seconds (Solder temperature), Within 5 seconds max. (Temperature of soldering iron tip), Within 3 seconds
3. Insertion Pitch of the LED leads and pitch of mounting holes need to be same 4. Others Since the heat resistant ability of the LED resin is low, SMD components are used on the same PCB, please mount the LED after adhesive baking process for SMD components. In case adhesive baking is done after LED lamp insertion due to a production process reason, make sure not to apply external force, stress, and excessive vibration to the LED and follow the conditions below. Baking temperature: 120 max. Baking time: Within 60 seconds If soldering is done sequentially after the adhesive baking, please perform the soldering after cooling down the LED to normal temperature.
VER.: 01
Date: 2007/11/02
Page: 5/5

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