BC178
| Parameter Name | Attribute value |
| Is it Rohs certified? | incompatible |
| Maker | STMicroelectronics |
| Reach Compliance Code | _compli |
| Maximum collector current (IC) | 0.2 A |
| Configuration | Single |
| Minimum DC current gain (hFE) | 120 |
| JESD-609 code | e0 |
| Maximum operating temperature | 175 °C |
| Polarity/channel type | PNP |
| Maximum power dissipation(Abs) | 0.6 W |
| surface mount | NO |
| Terminal surface | Tin/Lead (Sn/Pb) |
| Nominal transition frequency (fT) | 200 MHz |
| BC178 | 2N3964 | 2N3931 | BSS72S | BFW44 | BFX37 | BFX91 | |
|---|---|---|---|---|---|---|---|
| Description | BC178 | 45V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-18, TO-18, 3 PIN | 100mA, 180V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-39 | 200mA, 200V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-18 | BFW44 | 100mA, 80V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-18 | 100mA, 180V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-39 |
| Is it Rohs certified? | incompatible | incompatible | incompatible | incompatible | incompatible | incompatible | incompatible |
| Reach Compliance Code | _compli | _compli | _compli | not_compliant | not_compliant | not_compliant | not_compliant |
| Maximum collector current (IC) | 0.2 A | 0.2 A | 0.1 A | 0.2 A | 0.5 A | 0.1 A | 0.1 A |
| Configuration | Single | SINGLE | SINGLE | SINGLE | Single | SINGLE | SINGLE |
| Minimum DC current gain (hFE) | 120 | 250 | 80 | 40 | 40 | 125 | 80 |
| JESD-609 code | e0 | e0 | e0 | e0 | e0 | e0 | e0 |
| Maximum operating temperature | 175 °C | 175 °C | 200 °C | 175 °C | 175 °C | 200 °C | 200 °C |
| Polarity/channel type | PNP | PNP | PNP | NPN | PNP | PNP | PNP |
| Maximum power dissipation(Abs) | 0.6 W | 0.36 W | 0.7 W | 0.5 W | 0.7 W | 0.36 W | 0.7 W |
| surface mount | NO | NO | NO | NO | NO | NO | NO |
| Terminal surface | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) |
| Nominal transition frequency (fT) | 200 MHz | 50 MHz | 60 MHz | 50 MHz | 60 MHz | 70 MHz | 60 MHz |
| package instruction | - | TO-18, 3 PIN | CYLINDRICAL, O-MBCY-W3 | CYLINDRICAL, O-MBCY-W3 | - | CYLINDRICAL, O-MBCY-W3 | CYLINDRICAL, O-MBCY-W3 |
| Collector-emitter maximum voltage | - | 45 V | 180 V | 200 V | - | 80 V | 180 V |
| JEDEC-95 code | - | TO-18 | TO-39 | TO-18 | - | TO-18 | TO-39 |
| JESD-30 code | - | O-MBCY-W3 | O-MBCY-W3 | O-MBCY-W3 | - | O-MBCY-W3 | O-MBCY-W3 |
| Number of components | - | 1 | 1 | 1 | - | 1 | 1 |
| Number of terminals | - | 3 | 3 | 3 | - | 3 | 3 |
| Package body material | - | METAL | METAL | METAL | - | METAL | METAL |
| Package shape | - | ROUND | ROUND | ROUND | - | ROUND | ROUND |
| Package form | - | CYLINDRICAL | CYLINDRICAL | CYLINDRICAL | - | CYLINDRICAL | CYLINDRICAL |
| Peak Reflow Temperature (Celsius) | - | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | - | - | NOT SPECIFIED |
| Certification status | - | Not Qualified | Not Qualified | Not Qualified | - | Not Qualified | Not Qualified |
| Terminal form | - | WIRE | WIRE | WIRE | - | WIRE | WIRE |
| Terminal location | - | BOTTOM | 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 | SILICON |
| Base Number Matches | - | 1 | 1 | 1 | 1 | - | - |
| ECCN code | - | - | EAR99 | EAR99 | - | EAR99 | EAR99 |
| transistor applications | - | - | AMPLIFIER | SWITCHING | - | AMPLIFIER | AMPLIFIER |
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