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9XX Cooled Multi-Mode Lasers EM33X

A 14-pin butterfly package, Peltier-cooled, fiber-coupled, multi-mode pump laser that is available for a variety of wavelengths including 915, 940, 960, or 975 nm, with an output power of up to 5 W.

Full Product Description
915 nm, 940 nm, 960 nm, 975 nm
Output power:
Min: 5 W
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Product description

With an output power of 5 W and a hermetically sealed ceramic package, this pump laser is designed for high brightness with reliable and robust packaging and is available with a thermistor and a monitor photodiode.

The butterfly package has a Peltier cooler for chip temperature control and thermistor for temperature monitoring. This module is pigtailed using a step index fiber with a 0.15 or 0.22 numerical aperture, with a 105 µm core diameter and is compliant with Telcordia GR-468-CORE.

Key features

  • Laser welded and epoxy free
  • Peltier cooler
  • Built-in Thermistor
  • Hermetically sealed
  • Telcordia GR-468-CORE compliant


Wavelength915 nm, 940 nm, 960 nm, 975 nm
Center wavelengthMin: -10 nm, Max: +10 nm
Output powerMin: 5 W
Operating voltage2.2 V
Operating currentMax: 6.5 A
Threshold currentTyp: 0.4 A, Max: 0.6 A
Wavelength drift vs TcTyp: 0.3 nm / ° C
Spectral width17dB down from peak: Typ: 6 nm
PD reverse voltageMax: 20 V
TEC currentMax at ∆T=45°C, P=Pₒₚ: 4 A
TEC voltage Max at ∆T=45°C, P=Pₒₚ: 5 V
PD current0.1 mA
Operating case temperatureMin: 0° C, Max: 70° C
Thermistor resistanceT = 25°C, Min: 9500 Ω, Typ: 10000 Ω, Max: 10500 Ω
Themistor β coefficient0 / 50° C: 3892
Fiber typeStep index
Fiber jacket materialPVDF
Numerical apertureSee ordering info. Max: +0.2
Fiber core diameterMin: 102 μm, Typ: 105 μm, Max: 108 μm
Fiber cladding diameterMin: 123 μm, Typ: 125 μm, Max: 128 μm
Fiber buffer diameterMin: 235 μm, Typ: 250 μm, Max: 265 μm
Fiber jacket diameter900 μm
Fiber jacket lengthfrom end of boot: , Min: 75 nm, Max: 95 nm
Pigtail length1 m

Models available


PinDescription Pin Description
2Thermistor13Case GND
3Monitor PD anode12NC
4Monitor PD cathode11Laser cathode
5Thermistor10Laser anode
6Monitor PD cathode9Laser cathode
7Monitor PD anode8NC

Absolute Maximum Ratings

Storage temperature-40° C+85° C
Operating case temperature-20° C+70° C
Laser forward current11 A
Laser reverse voltage2 V
Photo diode photo current20 mA
Photo diode reverse voltage20 V
TEC current5 A
TEC voltage6 V
Thermistor current2 mA
Thermistor voltage5 V
Lead soldering time10 s
Lead soldering temperature250° C
Fiber pull force5 N
Fiber bend radius35 mm
ESD (human body model)500 V

* Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only and operation of the device at or beyond these conditions is not implied. Exposure to absolute maximum ratings for extended periods of time may affect device reliability.

Models available

Wavelength915 nm915 nm940 nm940 nm960 nm960 nm975 nm975 nm
Power5 W5 W5 W5 W5 W5 W5 W5 W
Numerical aperture0.