Small Signal Bipolar Transistor, 0.5A I(C), 20V V(BR)CEO, PNP, Silicon, TO-18, TO-18, 3 PIN
| Parameter Name | Attribute value |
| Is it Rohs certified? | incompatible |
| Maker | Hi-Tron Semiconductor Corp |
| Parts packaging code | BCY |
| package instruction | CYLINDRICAL, O-MBCY-W3 |
| Contacts | 3 |
| Reach Compliance Code | unknow |
| Maximum collector current (IC) | 0.5 A |
| Collector-emitter maximum voltage | 20 V |
| Configuration | DARLINGTON |
| Minimum DC current gain (hFE) | 2 |
| JEDEC-95 code | TO-18 |
| JESD-30 code | O-MBCY-W3 |
| JESD-609 code | e0 |
| Number of terminals | 3 |
| Maximum operating temperature | 200 °C |
| Package body material | METAL |
| Package shape | ROUND |
| Package form | CYLINDRICAL |
| Peak Reflow Temperature (Celsius) | NOT SPECIFIED |
| Polarity/channel type | PNP |
| Maximum power dissipation(Abs) | 1.8 W |
| Certification status | Not Qualified |
| surface mount | NO |
| Terminal surface | Tin/Lead (Sn/Pb) |
| Terminal form | WIRE |
| Terminal location | BOTTOM |
| Maximum time at peak reflow temperature | NOT SPECIFIED |
| Transistor component materials | SILICON |

| 2N998 | 2N2945A | 2N3677 | 2N726 | |
|---|---|---|---|---|
| Description | Small Signal Bipolar Transistor, 0.5A I(C), 20V V(BR)CEO, PNP, Silicon, TO-18, TO-18, 3 PIN | Small Signal Bipolar Transistor, 0.1A I(C), 20V V(BR)CEO, 1-Element, PNP, Silicon, TO-46, TO-46, 3 PIN | Small Signal Bipolar Transistor, 0.1A I(C), 20V V(BR)CEO, 1-Element, PNP, Silicon, TO-46, TO-46, 3 PIN | Small Signal Bipolar Transistor, 0.05A I(C), 20V V(BR)CEO, 1-Element, PNP, Silicon, TO-18, TO-18, 3 PIN |
| Is it Rohs certified? | incompatible | incompatible | incompatible | incompatible |
| Maker | Hi-Tron Semiconductor Corp | Hi-Tron Semiconductor Corp | Hi-Tron Semiconductor Corp | Hi-Tron Semiconductor Corp |
| Parts packaging code | BCY | TO-46 | TO-46 | BCY |
| package instruction | CYLINDRICAL, O-MBCY-W3 | CYLINDRICAL, O-MBCY-W3 | CYLINDRICAL, O-MBCY-W3 | CYLINDRICAL, O-MBCY-W3 |
| Contacts | 3 | 3 | 3 | 3 |
| Reach Compliance Code | unknow | unknow | unknow | unknow |
| Maximum collector current (IC) | 0.5 A | 0.1 A | 0.1 A | 0.05 A |
| Collector-emitter maximum voltage | 20 V | 20 V | 20 V | 20 V |
| Configuration | DARLINGTON | Single | Single | Single |
| Minimum DC current gain (hFE) | 2 | 70 | 4 | 30 |
| JEDEC-95 code | TO-18 | TO-46 | TO-46 | TO-18 |
| JESD-30 code | O-MBCY-W3 | O-MBCY-W3 | O-MBCY-W3 | O-MBCY-W3 |
| JESD-609 code | e0 | e0 | e0 | e0 |
| Number of terminals | 3 | 3 | 3 | 3 |
| Maximum operating temperature | 200 °C | 200 °C | 175 °C | 175 °C |
| Package body material | METAL | METAL | METAL | METAL |
| Package shape | ROUND | ROUND | ROUND | ROUND |
| Package form | CYLINDRICAL | CYLINDRICAL | CYLINDRICAL | CYLINDRICAL |
| Peak Reflow Temperature (Celsius) | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
| Polarity/channel type | PNP | PNP | PNP | PNP |
| Maximum power dissipation(Abs) | 1.8 W | 0.4 W | 0.4 W | 0.3 W |
| Certification status | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| surface mount | NO | NO | NO | NO |
| Terminal surface | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) |
| Terminal form | WIRE | WIRE | WIRE | WIRE |
| Terminal location | BOTTOM | BOTTOM | BOTTOM | BOTTOM |
| Maximum time at peak reflow temperature | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
| Transistor component materials | SILICON | SILICON | SILICON | SILICON |
| ECCN code | - | EAR99 | EAR99 | EAR99 |
| Number of components | - | 1 | 1 | 1 |
| Nominal transition frequency (fT) | - | 10 MHz | 5 MHz | 140 MHz |