# BFX42 Transistor - CASE: TO46 MAKE: SGS Thomson

**Manufacturer:** SGS Thomson  
**MPN:** `BFX42`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | SGS Thomson |
| Manufacturer name | SGS Thomson |
| Manufacturer | SGS Thomson |
| keywords | Buy BFX42, BFX42, BFX42 Transistor |
| moq | 1 |
| MPN | BFX42 |
| multiple | 1 |
| originalCurrency | {'currency': 'GBP'} |
| qtyInStock | 0 |
| SKU | BFX42 |
| snippet | BFX42 Transistor - CASE: TO46 MAKE: SGS Thomson |
| Case | TO46 |
| Type | Transistor Silicon NPN |
| Vbr CBO | 15 |
| Vbr CEO | 10 |
| Max PD (W) | 300m |
| C(ob) (F) | 1.9p |
| Derate (Amb) (W/?C) | 1.7m |
| hfe | 180 |
| Icbo Max @Vcb Max (A) | 1.0u |
| Polarity | NPN |
| Trans Freq (Hz) Min | 1.4G |
| @VCE (test) (V) | 5.0 |
| Oper Temp (?C) Max | 175 |
| @Ic (A) | 10m |
| Pinout Equivalence Number | N/A |
| Surface Mounted Yes/No | NO |
| Maximum Collector Power Dissipation (Pc) | 0.3 W |
| Maximum Collector-Base Voltage \|Vcb\| | 15 V |
| Maximum Collector-Emitter Voltage \|Vce\| | 10 V |
| Maximum Collector Current \|Ic max\| | 0.125 A |
| Max Operating Junction Temperature (Tj) | 200 ?C |
| Transition Frequency (ft): | 800 MHz |
| Forward Current Transfer Ratio (hFE), MIN | 90 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Little Diode | BFX42 |  |  | None | 1 |

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