1 / 7q4 · Power board of a Cerwin-vega P1800SX powered sub
Photos show this part as we found it on boards during repairs - not the stock you'll receive.
MMBT4403
Where to buy online
Other stores - prices, stock and shipping are theirs.
- Identified on 7 board photos in 5 devices
Specifications (BJT)
| Si, Ge | Si |
|---|---|
| NPN, PNP | PNP |
| Max collector power dissipation | 0.31 W |
| Max collector-base voltage |Vcb| | 40 V |
| Max collector-emitter voltage |Vce| | 40 V |
| Max emitter-base voltage |Veb| | 5 V |
| Max collector current |Ic| | 0.6 A |
| Max junction temperature | 135 deg C |
| Transition frequency | 200 MHz |
| Collector capacitance | 9 pF |
| Min forward current transfer ratio (hFE) | 100 |
| Package, e.g. TO220 | TO236 |
Found in these devices
Where we've identified this part on boards we've worked on.
| Device | Board | Position on board |
|---|---|---|
| Cvr CV-218CP6 powered sub | Main board | Q3, Q8 |
| Presonus STUDIOLIVE 16.4.2 mixer | Dsp board | |
| Bose TONEMATCH T8S mixer | Main board | |
| Cerwin-vega P1800SX powered sub | Power board | Q4 |
| Jbl EON715 powered speaker | Power board |
Often found with
Parts we stock that sit on the same boards - handy when the fault is in that area.
GENERIC CERAMIC CAPACITOR
Ceramic capacitor, general purpose, various voltage and capacitance ratings available.
On 2 of the same board photos
IR2153D
Half-bridge gate driver IC, 600V, with integrated oscillator and dead-time control.
On 1 of the same board photo
FDP20N50
N-channel power MOSFET, 500V 20A, TO-220
On 1 of the same board photo
IXTQ52N30P
N-channel power MOSFET, 300V 52A, TO-3P
On 1 of the same board photo
10UF 16V SMD
Tantalum or ceramic capacitor, 10 microfarads, 16 volt surface mount package.
On 1 of the same board photo
BC846B
NPN bipolar junction transistor, general-purpose switching and amplification
On 1 of the same board photo
4148 MINIMELF
Fast switching diode, 100V 200mA, surface mount package.
On 1 of the same board photo
5V DPAK LDO
Linear voltage regulator, 5V output, DPAK surface-mount package.
On 1 of the same board photo