Hardware

MMBT3906 PNP Transistor

MMBT3906·Diodes Incorporated·SOT-23

General-purpose 40 V PNP transistor in SOT-23, the surface-mount 2N3906.

MMBT3904

MMBT3904·Diodes Incorporated·SOT-23

Diodes Inc NPN small-signal transistor, SOT-23. 40 V, 200 mA, hFE 100-300, fT 300 MHz. Datasheet-verified.

MMBT2222A NPN Transistor

MMBT2222A·Diodes Incorporated·SOT-23

General-purpose 40 V NPN bipolar transistor in SOT-23, the surface-mount 2N2222A.

BD135 NPN Power Transistor

BD135·STMicroelectronics·TO-126

NPN medium-power transistor, 45 V / 1.5 A, in TO-126 for audio and driver stages.

BD140 PNP Power Transistor

BD140·STMicroelectronics·TO-126

PNP medium-power transistor, 80 V / 1.5 A, the complement of the BD139 in TO-126.

BD137 NPN Power Transistor

BD137·STMicroelectronics·TO-126

NPN medium-power transistor, 60 V / 1.5 A, in TO-126 for audio and driver stages.

BD139 NPN Power Transistor

BD139·STMicroelectronics·TO-126

NPN medium-power transistor, 80 V / 1.5 A, in a TO-126 package for audio and driver stages.

2N3906

2N3906·onsemi·TO-92

onsemi general-purpose PNP BJT, TO-92. 40 V, 200 mA, hFE 100-300. Complement of 2N3904. Datasheet-verified.

2N3055 NPN Power Transistor

2N3055·STMicroelectronics·TO-3

Classic NPN power transistor, 60 V / 15 A, in a metal TO-3 package.

2N3904

2N3904·onsemi·TO-92

onsemi general-purpose NPN BJT, TO-92. 40 V, 200 mA, hFE 100-300, fT 300 MHz. Datasheet-verified.

s8050-j3y

TDSEMIC bjt (SOT-23). KiCad-official footprint + 3D.

mmst3904

hongjiacheng bjt (SOT-323). KiCad-official footprint + 3D.