Parts · Transistors

MPSA13

30 circuits use this part. Listed as: Darlington BJT, NPN, TO-92; Darlington transistor, NPN TO-92; Darlington transistor, NPN, TO-92; Semiconductors; TO-92 Inline Wide-large-solderpads.

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
MPSA13	5	30 V	300 mA	0.33 W	125 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
MPSA14	10	30 V	300 mA	0.31 W	125 MHz	4
2N5845	25	40 V	1000 mA	0.625 W	300 MHz	1
2N3904	40	40 V	200 mA	0.31 W	300 MHz	282
MPSA05	50	60 V	500 mA	0.33 W	100 MHz	2
2N3903	50	40 V	200 mA	0.31 W	250 MHz	8
2N3053	50	40 V	700 mA	1 W	100 MHz	1
MPSA06	50	80 V	500 mA	0.625 W	100 MHz	2
BC639	40	80 V	1000 mA	1 W	50 MHz	1

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2N2949	5	40 V	700 mA	0.5 W	100 MHz
2N2950	5	40 V	700 mA	0.7 W	100 MHz
2N3296	5	40 V	700 mA	0.7 W	100 MHz
2SC775	5	50 V	1000 mA	0.8 W	100 MHz
2SC776	5	50 V	1000 mA	1 W	100 MHz
2N3309	5	30 V	500 mA	1 W	300 MHz
2SC777	5	50 V	1000 mA	2 W	75 MHz
MPS6724	4	40 V	1000 mA	1 W	100 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
L4 Bass Preamp 2N3904 · 2N3906 · 2N5088 · 2N5457	Lab Series L4	Preamp / Amp-in-a-box	Aion FX	1590XX	6	$22.00	201
L5 Preamp 2N3904 · 2N3906 · J112 · LF356N	Lab Series L5	Preamp / Amp-in-a-box	Aion FX	1590XX	7	$22.00	207
L5 Preamp (Legacy) 2N3906 · 2N5457 · CA3080 · LF356N	Lab Series L5	Preamp / Amp-in-a-box	Aion FX	1590X	2	—	142
L5 Preamp Clean Channel 2N3904 · 2N3906 · 2N5457 · LF356N	Lab Series L5 Preamp	Preamp / Amp-in-a-box	Aion FX	1590BBS	3	$16.00	107
L5 Preamp Drive Channel 2N3904 · 2N3906 · 2N5457 · LF356N	Lab Series L5 Preamp	Preamp / Amp-in-a-box	Aion FX	1590BBS	5	$16.00	129
Fire Bolt Fuzz MPSA13 · PF5102	EQD Bellows	Fuzz	Effects Layouts	1590A	2	$5.00	15
Octavia 2N3906 · MPSA13	Roger Mayer Vision Octavia	Fuzz	Five Cats Pedals	1590B	3	£4.50	49
Shouter MPSA13 · PF5102	EQD Bellows	Distortion	Five Cats Pedals	—	2	£3.50	16
Ampeg Scrambler 2N3904 · 2N5088 · MPSA13	Ampeg Scrambler	Fuzz	Fuzz Dog	1590B	3	£28.80	41
Mad Mule - Neil Young's Weld and Rust tones in a box 2N2222 · MPSA13	Crazy Horse	Fuzz	Fuzz Dog	1590B	5	£34.80	44
Mad Mule Vertical - Neil Young's Weld and Rust tones in a box 2N2222 · MPSA13	Crazy Horse	Fuzz	Fuzz Dog	1590B	5	£36.00	43
Octave? Ja! 2N3906 · MPSA13	Octavia	Fuzz	Fuzz Dog	1590B	1	£36.00	41
Para-Drive MPSA13	Paramount Drive	Overdrive	Fuzz Dog	1590B	1	£24.00	11
Roar Drive 2N5457 · MPSA13	Bellows	Fuzz	Fuzz Dog	1590B	2	£32.40	14
Fuzzstortion J113 · MPSA13	A Hybrid Fuzz w/ tube	Fuzz	GuitarPCB	—	2	$8.95 out	17
Harbinger2 2N5088 · 2N5089 · BS250 · LT1054	Univibe in a wah shell	Distortion	Madbean	—	3	$15.00	115
Barks 2N5457 · MPSA13	EQD Bellows	Fuzz	Moonn Electronics	—	2	€4.50	14
Evil Spell J201 · MPSA13	—	Fuzz	Moonn Electronics	—	3	€4.50	19
F(x)=Fuzzyness ² 2N5089 · 2N7000 · MPSA13	Function F(x) Clusterfuzz	Fuzz	Moonn Electronics	—	3	€5.50	41
Juichen MPSA13	—	Fuzz	Moonn Electronics	—	1	€4.50	14
Love Yourself In Every Way 2N5088 · BS170 · GERMANIUM · MPSA13	—	Fuzz	Moonn Electronics	—	4	€5.50	44
Rejector Fuzz 2N5088 · MPSA13	—	Fuzz	Moonn Electronics	—	2	€4.50	15
Rejector Selector 2N5088 · 2N5457 · MPSA13	Fender Blender (3 knob version)	Preamp / Amp-in-a-box	Moonn Electronics	—	2	€5.50	26
Tryhard MPSA13	—	Wah / Envelope	Moonn Electronics	—	—	€3.50	18
Fire Fuzz MPSA13 · PF5102	EQD’s Bellows	Fuzz	PCB Guitar Mania	1590B	2	€5.90 out	14
Fjord CD4070 · MPSA13	Black Art Toneworks Fnord	Octave / Pitch	PCB Guitar Mania	125B	4	€9.90 out	27
Fuzz Fixer 2N5089 · MPS2222 · MPSA13	Blackout Effectors Fix'd Fuzz	Fuzz	PCB Guitar Mania	1590BB	2	€11.90 out	42
Watch Tower Overdrive (Palisades inspired) 2N7000 · MPSA13 · MPSA18	EQD Palisades	Overdrive	PCB Guitar Mania	1590XX	5	€14.90 out	68
Octa Mayer Fuzz 2N3906 · MPSA13	Roger Mayer Octavia	Fuzz	PedalPCB	125B	2	$8.00	43
Octuplet Octave 2N5457 · MPSA13 · TL072	—	Fuzz	PedalPCB	125B	3	$12.00	58