Parts · Transistors

2N4058

Si PNP BJT.8 circuits use this part.

Substitutes Si 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
2N4058	100	30 V	30 mA	0.36 W

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BC187	100	25 V	100 mA	0.3 W	50 MHz	1
PN2907	100	40 V	600 mA	0.4 W	200 MHz	5
2N3906	100	40 V	200 mA	0.31 W	250 MHz	324
2N4403	100	40 V	600 mA	0.31 W	200 MHz	11
2N4288	100	25 V	100 mA	0.25 W	40 MHz	2
2N4061	90	30 V	30 mA	0.36 W		7
MPS8598	100	60 V	200 mA	0.35 W	150 MHz	1
TIS93	100	40 V	400 mA	0.625 W		4

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2N5373	100	30 V	500 mA	0.36 W	150 MHz
2N5379	100	30 V	500 mA	0.36 W	200 MHz
BFS37A	100	30 V	500 mA	0.35 W	30 MHz
2N4413	100	30 V	600 mA	0.4 W	20 MHz
2SA1351	100	30 V	100 mA	0.4 W	200 MHz
BSV49B	100	30 V	500 mA	0.4 W	100 MHz
2SA1033	100	30 V	100 mA	0.31 W	280 MHz
2N5355	100	25 V	300 mA	0.36 W	250 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Moog 901A 2N3391A · 2N4058 · CA3019	—	Ring Mod / Synth	Experimentalists Anonymous	—	—	—	54
Moog 902 2N3392 · 2N4058	—	Other	Experimentalists Anonymous	—	1	—	68
Moog 904A 2N3392 · 2N4058	—	Other	Experimentalists Anonymous	—	2	—	91
Moog 904B 2N3391A · 2N3392 · 2N4058	—	Other	Experimentalists Anonymous	—	—	—	118
Moog Minimoog 2N3392 · 2N3415 · 2N4058 · 2N4303	—	Ring Mod / Synth	Experimentalists Anonymous	—	—	—	677
Moog Modular 2N3392 · 2N4058	—	Ring Mod / Synth	Experimentalists Anonymous	—	2	—	89
Moog Modular System I II III 12 15 35 55 2N3392 · 2N4058	—	Ring Mod / Synth	Experimentalists Anonymous	—	2	—	137
Roger Mayer Noisegate 2N3704 · 2N3707 · 2N3820 · 2N4058	—	Noise Gate	Experimentalists Anonymous	—	3	—	54