| Equivalent | TK71A | |
| Type | Transistor Silicon NPN | |
| Case | TO5 | |
| Manufacturer | ITT Industries | |
| Vbr CBO | 30 | |
| Max. PD (W) | 300m | |
| C(ob) (F) | 25p | |
| Derate (Amb) (W/°C) | 2.0m | |
| hfe | 30 | |
| Polarity | NPN | |
| Trans. Freq (Hz) Min. | 2.0M | |
| @VCE (test) (V) | 9.0 | |
| Oper. Temp (°C) Max. | 150 | |
| @Ic (A) | 3.0m | |
| Pinout Equivalence Number | N/A | |
| Surface Mounted Yes/No | NO | |
| Maximum Collector Power Dissipation (Pc) | 0.325 W | |
| Maximum Collector-Base Voltage |Vcb| | 30 V | |
| Maximum Collector-Emitter Voltage |Vce| | 20 V | |
| Maximum Emitter-Base Voltage |Veb| | 20 V | |
| Max. Operating Junction Temperature (Tj) | 150 °C | |
| Transition Frequency (ft): | 1 MHz | |
| Forward Current Transfer Ratio (hFE), MIN | 10 | |
| SKU | 545953 | |