This part is a kind of semiconductor called BA5360.
Function of this product has 9V Primary lithium manganese dioxide (Li-MnO2) battery.
Manufacturers : SAFT
Image and pinout :
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Primary lithium battery system BA 5360 9 V Primary lithium manganese dioxide (Li-MnO2) battery ■ ■ ■ ■ ■ ■ ■ ■ ■ The battery consists of 3 LM 33550 cells connected in series Key Features ■ A non-replaceable fuse is incorporated in the battery ■ A normally closed thermal fuse (TCO) is incorporated in the battery. It is non-replaceable and non-resettable ■ A blocking diode is incorporated in the battery to prevent charging ■ A non-replaceable fuse is connected between two of the cells for added safety ■ A complete discharge device (CDD) with LED activation indicator is built into the battery. The CDD consists of a manually activated switch to connect a resistor for discharging to 0V. ■ Made in the USA Typical applications ■ AN/PSC-2 Communications Termi [ ... ]