Parts · Transistors

2SB54

Ge PNP BJT TH.5 circuits use this part.

Substitutes Ge PNP transistor

Matched on material, polarity and the limits below from the transistor parameter database. Pinouts and packages are not in that data: check the datasheet before you drop one in, and expect gain to change the sound.

This part

Part	hFE min	Vce	Ic	Pc	fT
2SB54	80	20 V	150 mA	0.15 W	0.5 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2SB56	80	25 V	150 mA	0.15 W	0.5 MHz	1
ASY33	90	30 V	300 mA	0.15 W	0.5 MHz	1
2SB22	95	25 V	75 mA	0.17 W	0.4 MHz	2
2G381	75	20 V	500 mA	0.25 W	1 MHz	5
OC46	80	20 V	125 mA	0.083 W	2 MHz	1
SFT337	100	15 V	100 mA	0.15 W	1 MHz	3
2N527	80	30 V	500 mA	0.225 W	2 MHz	2
NTE102	90	16 V	150 mA	0.15 W	2 MHz	3

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
NKT219	85	18 V	250 mA	0.2 W	0.5 MHz
2N1128	70	18 V	250 mA	0.15 W	0.5 MHz
NKT274	85	15 V	250 mA	0.2 W	0.5 MHz
2SAB37	80	20 V	150 mA	0.15 W	1 MHz
2SAB34	85	20 V	150 mA	0.15 W	0.8 MHz
NKT229	85	20 V	500 mA	0.3 W	0.5 MHz
2SAB38	85	25 V	150 mA	0.15 W	0.8 MHz
2N321	80	20 V	200 mA	0.225 W	1 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Nine Volt Nirvana BrontoBoost v3.0 2N3906 · 2SB54 Nine Volt Nirvana BrontoBoost	Nine Volt Nirvana BrontoBoost	Fuzz	Revolution Deux	—	5	—	29
Nine Volt Nirvana Dino Drive 2N3906 · 2SB54 Nine Volt Nirvana Dino Drive	Nine Volt Nirvana Dino Drive	Overdrive	Revolution Deux	—	6	—	30
Nine Volt Nirvana Tone Dog 2N3906 · 2SB54 Nine Volt Nirvana Tone Dog	Nine Volt Nirvana Tone Dog	Boost	Revolution Deux	—	4	—	20
Nine Volt Nirvana BrontoBoost Vero20×12 Unverified 2N3906 · 2SB54 Nine Volt Nirvana BrontoBoost	Nine Volt Nirvana BrontoBoost	Boost	Tagboard Effects	—	4	—	21
Nine Volt Nirvana Tone Dog Vero18×10 Unverified 2N3906 · 2SB54 Nine Volt Nirvana Tone Dog	Nine Volt Nirvana Tone Dog	Fuzz	Tagboard Effects	—	3	—	16