Parts · Transistors

BC239C

Si NPN BJT TO-92 TH.16 circuits use this part. Listed as: BJT transistor, NPN TO-92; Transistor.

Substitutes Si NPN 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
BC239C	420	20 V	100 mA	0.3 W	150 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BC109C	420	20 V	100 mA	0.3 W	150 MHz	79
BC108C	420	20 V	100 mA	0.3 W	150 MHz	13
BC184C	450	30 V	200 mA	0.3 W	150 MHz	15
BC183C	450	30 V	200 mA	0.3 W	150 MHz	6
BC130C	470	20 V	100 mA	0.175 W	150 MHz	2
ZTX383C	450	30 V	100 mA	0.45 W	150 MHz	1
BC318C	400	30 V	150 mA	0.31 W	100 MHz	3
BC549C	420	30 V	100 mA	0.5 W	200 MHz	171

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BC208C	420	20 V	100 mA	0.3 W	150 MHz
BC238C	420	20 V	100 mA	0.3 W	150 MHz
BC148C	420	20 V	200 mA	0.25 W	150 MHz
BC149C	420	20 V	200 mA	0.25 W	150 MHz
BC408C	420	20 V	100 mA	0.25 W	150 MHz
BC409C	420	20 V	100 mA	0.25 W	150 MHz
BCF29C	420	20 V	200 mA	0.25 W	165 MHz
BCF92C	420	20 V	200 mA	0.25 W	165 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Electro Harmonix Doctor Q - Vintage Vero18×13 Unverified BC239C · ECG778 Electro-Harmonix Doctor Q - Vintage	Electro-Harmonix Doctor Q - Vintage	EQ / Filter	Dirtbox Layouts	—	1	—	21
Jen Fuzz III Vero12×11 Unverified BC239C Jen Fuzz III	Jen Fuzz III	Fuzz	Dirtbox Layouts	—	2	—	18
Minotaur Sonic Terrors Swamp Lord Vero20×17 Verified BC239C Minotaur Sonic Terrors Swamp Lord	Minotaur Sonic Terrors Swamp Lord	Distortion	Dirtbox Layouts	—	4	—	25
Schaller Fuzz Sustain Vero10×2 Verified BC239C · BC413C Schaller Fuzz Sustain	Schaller Fuzz Sustain	Fuzz	Dirtbox Layouts	—	2	—	28
Schaller Treble Bass Booster Vero16×16 Verified BC239C Schaller Treble Bass Booster	Schaller Treble Bass Booster	Boost	Dirtbox Layouts	—	1	—	25
Electro Harmonix Doctor Q BC239C · ECG778 Electro-Harmonix Doctor Q	Electro-Harmonix Doctor Q	Other	Experimentalists Anonymous	—	1	—	17
JSH Fuzz BC238B · BC239C	—	Fuzz	Experimentalists Anonymous	—	—	—	16
Large Beaver Rams Head BC239C Electro-Harmonix Big Muff Pi	Electro-Harmonix Big Muff Pi	Fuzz	Moody Sounds	—	3	kr995.00 out	23
Large Beaver Rams Head deluxe BC239C	—	Fuzz	Moody Sounds	—	3	kr995.00 out	23
Buffalo Hump Distortion BC239C Buffalo Fx RH-X '76 · 125B	Buffalo Fx RH-X '76	Distortion	PedalPCB	125B	4	$12.00	53
Dr. Quack Vero19×16 Verified 2N5457 · 4558 · BC239C · JRC4558 AMZ Dr. Quack	AMZ Dr. Quack	EQ / Filter	Tagboard Effects	—	2	—	22
EHX Doctor Q Vero15×16 Verified BC239C · ECG778 Electro-Harmonix Doctor Q	Electro-Harmonix Doctor Q	EQ / Filter	Tagboard Effects	—	1	—	18
Electro Harmonix '75 Unknown Muff Vero19×17 Verified BC239C Electro-Harmonix '75 Unknown Muff	Electro-Harmonix '75 Unknown Muff	Fuzz	Tagboard Effects	—	3	—	32
Jen Double Sound Fuzz Wah Vero17×17 Unverified BC208B · BC239C Jen Double Sound Fuzz Wah	Jen Double Sound Fuzz Wah	Fuzz	Tagboard Effects	—	1	—	24
Jen Fuzz III Vero Verified BC239C Jen Fuzz III	Jen Fuzz III	Fuzz	Tagboard Effects	—	2	—	15
Schaller Treble-Bass Boost Vero18×16 Verified BC239C Schaller Treble Bass Booster	Schaller Treble Bass Booster	Boost	Tagboard Effects	—	1	—	22