Parts · Transistors

2N270

Ge PNP BJT TH.6 circuits use this part. Listed as: Germanium transistor, PNP.

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
2N270	70	12 V	150 mA	0.15 W	0.3 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2SB54	80	20 V	150 mA	0.15 W	0.5 MHz	5
2SB56	80	25 V	150 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
ASY33	90	30 V	300 mA	0.15 W	0.5 MHz	1
2G374	60	25 V	100 mA	0.15 W	1 MHz	1
NKT213	50	18 V	250 mA	0.2 W	0.5 MHz	12
2N526	65	30 V	500 mA	0.225 W	1 MHz	1

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2N1128	70	18 V	250 mA	0.15 W	0.5 MHz
2N281	70	16 V	125 mA	0.125 W	0.15 MHz
2N282	70	16 V	125 mA	0.125 W	0.15 MHz
NKT208	70	18 V	500 mA	0.3 W	0.5 MHz
2N1378	85	12 V	200 mA	0.25 W	0.4 MHz
2N1376	65	25 V	200 mA	0.25 W	0.4 MHz
2N569	70	25 V	300 mA	0.15 W	0.8 MHz
AC161	75	10 V	100 mA	0.15 W	1 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Maestro FZ-1 Fuzz Tone Vero16×10 Verified 2N270 Maestro FZ-1 Fuzz-Tone	Maestro FZ-1 Fuzz-Tone	Fuzz	Dirtbox Layouts	—	2	—	17
Prescription Electronics Depth Charge Perfboard Unverified 2N5088 Prescription Electronics Depth Charge · 125B	Prescription Electronics Depth Charge	Fuzz	Effects Layouts (blog)	125B	4	—	30
Maestro FZ-1 and FZ-1a 2N2613 · 2N270 Maestro FZ-1 and FZ-1a	Maestro FZ-1 and FZ-1a	Fuzz	Experimentalists Anonymous	—	—	—	25
FZ1 2N270 · 78L33 · TC1044 · TC1044SCPA Maestro FZ1	Maestro FZ1	Other	PCBWay: Glory to Ukraine	—	2	—	19
Mister Fuzz 2N270 · L78L33 · TC1044 · TC1044SCPA Maestro FZ-1 Fuzz-Tone · 125B	Maestro FZ-1 Fuzz-Tone	Fuzz	PedalPCB	125B	2	$8.00	27
Maestro FZ-1 Fuzz-Tone Vero Verified 2N270 · 7660S · 78L33 · ICL7660S Maestro FZ-1 Fuzz-Tone	Maestro FZ-1 Fuzz-Tone	Fuzz	Tagboard Effects	—	2	—	17