Parts · Transistors

MPSA06

Si NPN BJT TO-92 TH.6 circuits use this part. Listed as: BJT transistor, NPN TO-92; BJT.

Datasheet · from onsemi.com

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
MPSA06	50	80 V	500 mA	0.625 W	100 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
MPSA05	50	60 V	500 mA	0.33 W	100 MHz	6
2SD667	60	80 V	1000 mA	0.9 W	70 MHz	1
BC639	40	80 V	1000 mA	1 W	50 MHz	2
KSP42	40	300 V	500 mA	0.625 W	50 MHz	3
MPSA06G	100	80 V	500 mA	0.63 W	100 MHz	1
BD1396STU	40	80 V	1500 mA	12.5 W		1
BD13910STU	40	80 V	1500 mA	12.5 W		1
2N3700	100	80 V	1000 mA	0.5 W	100 MHz	4

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BCX49	50	80 V	1000 mA	0.625 W	100 MHz
KSP06	50	80 V	500 mA	0.625 W	100 MHz
2SC48	50	80 V	720 mA	0.6 W	90 MHz
BFR39	50	80 V	1000 mA	0.8 W	100 MHz
BFR39TO5	50	80 V	2000 mA	0.8 W	100 MHz
BFT39	50	80 V	1000 mA	0.8 W	100 MHz
BC538	50	80 V	1000 mA	0.625 W	120 MHz
BCX45	50	60 V	1000 mA	0.625 W	100 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Revv Chat Breaker Vero19×20 Unverified 4580 · JRC4580D · MPSA06 Revv Chat Breaker	Revv Chat Breaker	Overdrive	Dirtbox Layouts	—	3	—	32
Melody Malfunction BC517 · MPSA06 Death By Audio Soundwave Breakdown 2 · 1590B	Death By Audio Soundwave Breakdown 2	Fuzz	Effects Layouts	1590B	1	$6.00	22
Telray Autowah 1741 · LDR · MPSA06 · MPSA12	—	Wah / Envelope	Experimentalists Anonymous	—	2	—	68
Chat Breaker 4580 · MPSA06 Revv Chat Breaker	Revv Chat Breaker	Other	PCBWay: Glory to Ukraine	—	3	—	29
DriveGPT 4580 · JRC4580D · MPSA06 Revv Chat Breaker · 125B	Revv Chat Breaker	Fuzz	PedalPCB	125B	3	$12.00	47
Death By Audio Apocalypse - On-Hold Vero33×21 Unverified 2N5088 · 741 · LM741 · MPSA06 Death By Audio Apocalypse	Death By Audio Apocalypse	Fuzz	Tagboard Effects	—	2	—	41