HMA121DV

Output Type:	Transistor
Supplier Device Package:	4-Mini-Flat
Package / Case:	4-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 100°C
Vce Saturation (Max):	400mV
Current - DC Forward (If) (Max):	50mA
Voltage - Forward (Vf) (Typ):	1.3V (Max)
Current - Output / Channel:	80mA
Voltage - Output (Max):	80V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	3µs, 3µs
Turn On / Turn Off Time (Typ):	--
Current Transfer Ratio (Max):	100% @ 5mA
Current Transfer Ratio (Min):	50% @ 5mA
Voltage - Isolation:	3750Vrms
Number of Channels:	1
Part Status:	Obsolete
Packaging:	Tube

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Optoisolators - Transistor, Photovoltaic OutputThe HMA121DV opto isolator is a member of a larger class of opto isolators produced by the company Hamamatsu Photonics. The HMA121DV is an opto-isolator that combines a photovoltaic cell with a transistor output circuit. It is used to isolate circuits from one another or to provide isolation protection between high voltage and low voltage circuits. This type of opto-isolator is used in a wide variety of applications.The HMA121DV isolator is ideal for a number of applications, such as automotive, medical, industrial, audio/visual, control, and communication applications. It can be used for signal transfer in automotive battery charging and control systems, in medical equipment, and in power supplies. It can also be used in industrial equipment such as in motors, elevators, factory automation, machine tools, and robotics. Additionally, it can be used for communication systems, including fibre optics, telemetry, and telephones. The HMA121DV opto-isolator consists of a photovoltaic cell that is composed of an LED (light emitting diode) and a PIN photodiode. The LED produces an optical signal that is converted into an electrical signal in the PIN photodiode. This electrical signal then passes through a transistor driver circuit, which provides reliable isolation and drives the transistor output.The transistor output of the HMA121DV is what makes it so useful in a variety of applications. The transistor output is capable of switching very high currents, up to 1mA, with low saturation voltages of just 0.2V. This allows it to be used in a wide range of different applications.The electrical isolation provided by the HMA121DV is one of its greatest advantages. By isolating the signal from the power circuits, it prevents electrical noise and interference from being transferred between systems, and thus minimises the distortion and interference in the signal. This makes it ideal for applications like audio/visual systems, control systems, and communication systems.In addition to its isolation properties, the HMA121DV also has a very high speed of response. It can switch signals in under 100 ns, making it ideal for applications where timing and response are important.Overall, the HMA121DV has a lot to offer in terms of both signal isolation and high speed. It is a reliable and versatile opto-isolator, and is suitable for a wide variety of applications. Its reliable isolation properties and high speed make it ideal for automotive, medical, industrial, audio/visual, control, and communication applications.

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