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Description
Thorlabs' M300F2 Fiber-Coupled LED has a nominal wavelength of 300 nm, outputs more than 320 µW of
power, and is mounted to the end of a heat sink. The output is compatible with SMA fiber connectors. This LED
needs to be supplied with a constant current that must not exceed 350 mA.
Specifications
Specification
Color
Nominal Wavelength
Test Current for Typical LED Power
Maximum Current (CW)
Bandwidth (FWHM)
Emitter Size
Typical Lifetime
Operating Temperature
(Non-Condensing)
Storage Temperature
Risk Group
a
a.
According to the standard IEC 62471:2006, Photobiological Safety of Lamps and Lamp Systems
Peak Wavelength
a
LED Power Output (Ø400 µm Fiber)
LED Power Output (Ø200 µm Fiber)
a
Forward Voltage
When Driven with the Test Current
a.
For multimode fiber with a Ø400 µm core and 0.22 NA (Item # FT400AEA).
b.
For multimode fiber with a Ø200 µm core and 0.22 NA (Item # FG200AEA).
c.
Operating Instructions
Be sure to provide air ventilation in order to avoid overheating, drops in optical power, and reduced lifetime. Each LED
has a characteristic switch-on behavior, which depends on the LED properties and environment conditions. An important
criterion is the heat dissipation. The M300F2 has a unique thermal and heat sink design that reduces the power decay to
a minimum.
M300F2's male connector is a standard M8x1 sensor circular connector. Pins 1 and 2 connect to the LED. Pins 3
and 4 are used for the internal EEPROM. Only use these connections when using a Thorlabs LED driver.
After an LED is switched on, it will warm up which can cause a decay in optical power. The heat sink of the M300F2
provides good thermal management, reducing the loss of power as the LED reaches its equilibrium temperature.
Fiber-Coupled LED
300 nm
M300F2
M300F2
Symbol
λ
p
a,b
P
out
a,c
P
out
V
F
Value
Deep UV
300 nm
350 mA
350 mA
15 nm
1 mm x 1 mm
>10 000 h
0 to 40 °C
-30 to 85 °C
RG3 – High Risk Group
Min
Typical
Max
295 nm
300 nm
305 nm
320 µW
370 µW
-
110 µW
-
6.5 V
8.0 V
MTN005796‐S01, Rev B
-
-
May 24, 2017
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Summary of Contents for THORLABS M300F2
- Page 1 4 are used for the internal EEPROM. Only use these connections when using a Thorlabs LED driver. After an LED is switched on, it will warm up which can cause a decay in optical power. The heat sink of the M300F2 provides good thermal management, reducing the loss of power as the LED reaches its equilibrium temperature.
- Page 2 Fiber connection to the M300F2 must be made via an SMA fiber connector. We recommend using multimode (MMF) fiber with the M300F2. Optical output power is specified for a Ø400 µm MMF with an NA of 0.22 at the maximum allowed LED current. Optical power increases proportionally with the core diameter and nearly proportionally to the square of the NA.
- Page 3 The M300F2 is not water resistant and must be protected from adverse weather conditions. To avoid damage, do not expose it to spray, liquids, or solvents. The M300F2 does not contain any parts serviceable by the user and does not require regular user maintenance. Do not open the enclosure. If a malfunction occurs, contact Thorlabs for return instructions.
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