
PNP Bipolar Junction Transistor (BJT) in a TO-92 package, designed for through-hole mounting. Features a maximum collector current of 100mA and a collector-emitter breakdown voltage of 45V. Offers a minimum DC current gain (hFE) of 200 and a transition frequency of 320MHz. Operates within a temperature range of -65°C to 150°C, with a maximum power dissipation of 625mW. This RoHS compliant component is supplied in bulk packaging.
Checking distributor stock and pricing after the page loads.
Sign in to ask questions about the Onsemi BC557B datasheet using AI. Get instant answers about specifications, features, and technical details, ideal for finding information in larger documents.
Sign In to ChatWidest selection of semiconductors and electronic components in stock and ready to ship ™
| Package/Case | TO-92-3 |
| Collector Base Voltage (VCBO) | -50V |
| Collector Emitter Breakdown Voltage | 45V |
| Collector Emitter Saturation Voltage | -300mV |
| Collector Emitter Voltage (VCEO) | 30V |
| Collector-emitter Voltage-Max | 650mV |
| Current Rating | -100mA |
| Emitter Base Voltage (VEBO) | 5V |
| Gain Bandwidth Product | 150MHz |
| hFE Min | 200 |
| Lead Free | Lead Free |
| Max Breakdown Voltage | 45V |
| Max Collector Current | 100mA |
| Max Operating Temperature | 150°C |
| Min Operating Temperature | -65°C |
| Max Power Dissipation | 625mW |
| Mount | Through Hole |
| Package Quantity | 5000 |
| Packaging | Bulk |
| Polarity | PNP |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Termination | Through Hole |
| Transition Frequency | 320MHz |
| Voltage | 45V |
| DC Rated Voltage | -45V |
| Weight | 0.007055oz |
| RoHS | Not Compliant |
Download the complete datasheet for Onsemi BC557B to view detailed technical specifications.
The embedded preview will load automatically when this section scrolls into view.
These are design resources that include the Onsemi BC557B
Product Discontinuation Notice (PDN) P177A from Fairchild Semiconductor detailing end-of-life parts and suggested replacement components for legacy electronics designs.
