BC557

Transistor_BJT

0.1A Ic, 45V Vce, PNP Small Signal Transistor, TO-92

Symbol

3 pins

Schematic symbol for BC557

Units: 1
Kind: part
Grid: on 1.27 mm
Extends: Q_PNP_CBE

Footprint

3 pads

Footprint for BC557

Library: Package_TO_SOT_THT
Mount: through_hole
Courtyard: 5.46 × 4.74 mm
Link: exact
Footprint page: Open →

3D model

STEP

Package_TO_SOT_THT_TO-92_Inline

4.03 × 1.52 × 9.80 mm

27 KB STEP

Library: Package_TO_SOT_THT_TO-92
Link: exact
Model page: Open →

Pins and pads

Every pin on the symbol has a pad on the footprint.

Pin	Name	Type	Pad
1	C	passive	1
2	B	input	2
3	E	passive	3

On real boards

20+ designs use this part

20 placed it by name in a schematic. Largest first.

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Provenance

Source: kicad-symbols
Credit: KiCad Libraries Contributors
Licence: CC-BY-SA-4.0-with-KiCad-exception
Link method: exact
Cross-check: passed