1 / 12Photos show this part as we found it on boards during repairs - not the stock you'll receive.
NPN bipolar junction transistor, general-purpose switching and amplification
Marking on the part: 1B
Other stores - prices, stock and shipping are theirs.
| NPN, PNP | NPN |
|---|---|
| Max collector power dissipation | 0.25 W |
| Max collector-base voltage |Vcb| | 80 V |
| Max collector-emitter voltage |Vce| | 65 V |
| Max emitter-base voltage |Veb| | 6 V |
| Max collector current |Ic| | 0.1 A |
| Max junction temperature | 150 deg C |
| Transition frequency | 100 MHz |
| Min forward current transfer ratio (hFE) | 200 |
| Package, e.g. TO220 | SOT23 |
Where we've identified this part on boards we've worked on.
| Device | Board | Position on board |
|---|---|---|
| Behringer POWERPLAY P16-M personal monitor mixer | Main board, Panel board | T5, T3 |
| Dbtech SIGMA S215 powered speaker | Main board | Q6, Q5, Q4 |
| Rcf NX 985-A powered speaker | Main board | |
| Cvr CV-218CP6 powered sub | Main board | IC8, IC9 |
| Das ROAD 15A powered speaker | Low amp | |
| Ld Systems ICOA 15 A BT powered speaker | Input board | |
| Rcf SUB8003-AS powered sub | Main board | T119 |
Totals across every repair logged on Circuit Fixers.
Parts we stock that sit on the same boards - handy when the fault is in that area.







