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Those are germanium transistors
later in India, BEL (now it seems stopped consumer electronic items) came up with Bel187 and Bel188
complimentary silicon pair in modified TO92 with in built heat sink tab.
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rock94, I do have it, international postage will eat and it would not be worth it.
But, if you are from India, perhaps i can spare one for your needs
pm your address if Indian. it would cost you speed post charge , Rs40 around
Thanks everyone for the replies.I've decided to go with a newer equivalent circuit as it would not be worth the cost and effort involved in procuring the transistors.
Thanks.
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