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Source. ASMT-MWB1 Datasheet |
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ASMT-MxB1
1W Diffused Power LED Light Source
Data Sheet
Description
1W Diffused Power LED Light Source is a high perfor-
mance energy efficient device which can handle high
thermal and high driving current. The exposed pad
design has excellent heat transfer from the package to
the motherboard.
The Cool White Power LED is available in various color
temperature ranging from 4000K to 10000K and Warm
White Power LED ranging from 2600K to 4000K. The
product has high Color Rendering Index (CRI) which
provides excellent color perception and visual clarity.
The low profile package design is suitable for a wide
variety of applications especially where height is a con-
straint.
The package is compatible with reflow soldering. This
will give more freedom and flexibility to the light source
designer.
Applications
• Portable (flash light, bicycle head light)
• Reading light
• Architectural lighting
• Garden lighting
• Decorative lighting
Features
• Available in Cool White and Warm White color
• Energy efficient
• Exposed pad for excellent heat transfer
• This part is optically matched with Avago’s collimating
lenses, i.e. ASMT-M0xx. It should be used together with
these lenses for improved color uniformity.
• Suitable for reflow soldering process
• High current operation
• Long operation life
• Wide viewing angle
• Silicone encapsulation
• ESD of 16kV
• MSL 2A
Specifications
• InGaN Technology
• 3.6V, 350 mA (typical)
• 110 viewing angle
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Package Dimensions
Device Selection Guide at Junction Temperature Tj = 25°C
Luminous Flux, Φv[1, 2] (lm)
Color
Part Number
Min Typ Max
Cool White Diffused
ASMT-MWB1
43.0 55.0 73.0
Warm White Diffused
ASMT-MYB1
43.0 46.0 73.0
Test Current
(mA)
350
350
Notes:
1. ΦV is the total luminous flux output as measured with an integrating sphere at 25ms mono pulse condition.
2. Flux tolerance is ±10 %
Dice Technology
InGaN
InGaN
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Part Numbering System
ASMT-M x B1 - N x1 x2 x3 0
Color Bin Selection
Max Flux Bin Selection
Min Flux Bin Selection
Color
W - Cool White
Y - Warm White
Absolute Maximum Ratings at TA = 25°C
Parameter
ASMT-MxB1 Units
DC Forward Current [1]
350 mA
Peak Pulsing Current [2]
500 mA
Power Dissipation
1400 mW
LED Junction Temperature
110 °C
Operating Ambient Temperature Range
-40 to +85
°C
Storage Temperature Range
-40 to +100
°C
Soldering Temperature
Refer to figure 6
Note:
1. DC forward current – derate linearly based on Figure 5.
2. Pulse condition duty factor = 10%, Frequency = 1kHz.
Optical Characteristics (TA = 25 °C)
Part Number
ASMT-MWB1
ASMT-MYB1
Color
Cool White Diffused
Warm White Diffused
Correlated Color Temperature,
CCT (Kelvin)
Min. Max.
4000 10000
2600 4000
Notes:
1. q½ is the off-axis angle where the luminous intensity is ½ the peak intensity.
Electrical Characteristic (TA = 25°C)
Dice Type
InGaN
Forward Voltage
VF (Volts) @ IF = 350mA
Typ Max.
3.6 4.0
Note:
1. Rqj-ms is Thermal Resistance from LED junction to metal slug.
Viewing Angle
2q½ [1] (Degrees)
Typ.
110
110
Luminous Efficiency
(lm/W)
Typ.
44
37
Reverse Voltage
VR (Volts)
Max.
5.0
Thermal Resistance
Rqj-ms (°C/W) [1]
Typ.
10
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