transistor ?? series transistor with resistor for switching application silicon pnp epitaxial type description outline drawing unitmm rt1p237u RT1P237C rt1p237x is a one chip transistor with built-in bias resistor,npn type is rt1n237x. feature ?built-in bias resistor (r1=2.2k,r2=47k). application inverted circuit,switching c ircuit,interface circuit, driver circuit. equivalent circuit jeita jedec jeitasc-59 jedecsimilar to to-236 terminal connector ?base ?emitter ?collector terminal connector ?base ?emitter ?collector rt1p237m rt1p237 jeitasc-70 jedec jeitajedec isahayat-usm rt1p237s terminal connector ?base ?emitter ?collector terminal connector ?base ?emitter ?collector 0.15 0 0.1 0.55 0.7 0.3 0.4 0.8 0.4 1.6 0.5 0.5 1.0 1.6 0.16 0 0.1 0.8 1.1 0.4 0.5 1.5 0.5 2.5 0.95 0.95 1.90 2.9 0.15 0 0.1 0.7 0.9 0.3 1.25 0.425 2.1 0.65 0.65 1.3 2.0 0.425 4.0 1.0 1.0 14.0 3.0 1.27 1.27 0.45 0.1 2.5 0.4 c (out) e (gnd) b (in) r1 r2 isahaya electronics corporation jeita jedec ?emitter ?collector ?base 0.45 0.25 0.2 0.8 0.2 0.4 0.4 0.8 1.2
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