MT4S03A

The MT4S03A is designed for UHF~VHF band low noise amplifier applications.TOSHIBA is continually working to improve the quality and the reliability of its products. Nevertheless,semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress.

The MT4S03A has the following features including:(1)low noise:figure:NF=1.4 dB;(2)high gain:gain=9 dB (f=2 GHz).Toshiba is continually working to improve the quality and the reliability of their products.Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and their vulnerability to physical stress. It is the responsibility of the buyer, when utilizing Toshiba products, to observe standards of safety, and to avoid situations in which the malfunction or failure of a Toshiba product could cause loss of human life, bodily injury or damage to property.

The absolute maximum ratings of the MT4S03A are:(1)storage temperature range:-55 to 125; (2)operating temperature:125; (3)collector base voltage:10V; (4)base current:40mA;(5)collector emitter voltage:5V;(6)emitter base voltage:2V;(7)collector current:10mA;(8)collector power dissipation:150mW.The maximum ratings are the limit values which must not be exceeded during operation of device. None of these rating value must not be exceeded. If the maximum rating value is exceeded, the characteristics of devices may never be restored properly. In extreme cases, the MT4S03A may be permanently damages.Some optical modules come with a protective cap.The protective cap is used to avoid malfunction when the optical module is not in use. Note that it is not dust or waterproof.As mentioned before, optical modules are optical components. Thus, in principle,soldering where there may be flux residue and flux removal after soldering is not recommended.Toshiba recommend that soldering be performed without the optical module mounted on the board.Then, after the board has been cleaned, the optical module of MT4S03A should be soldered on to the board manually.

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