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ID = 54190
United States of America (USA)
Brand: Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)
Tube type:  Transistor   Universal 
Identical to 2N4870
Similar Tubes
Other characteristic (electr. data):

Base Wires
Was used by Industrial

P-N Silicon Unijunction Transistor.
Case TO-92, B2-E-B1;
300 mW, 50 mA, 1.5 A peak Ie; 30 V Vb2e, 35 V Vb2b1.
Similar to 2N4871, selected for lower intrinsic standoff ratio, 0.56 to 0.86.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
5 x 5 x 4 mm / 0.20 x 0.20 x 0.16 inch
Weight 1 g / 0.04 oz

to92_b2eb1_1.gif 2N4870
Günther Stabe † 19.8.20

2N4870: Bosa Semicond.
Günther Stabe † 19.8.20

Collection of



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