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| Parameters | |
|---|---|
| Lifecycle Status | OBSOLETE (Last Updated: 1 day ago) |
| Contact Plating | Tin |
| Mount | Through Hole |
| Mounting Type | Through Hole |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) |
| Number of Pins | 3 |
| Supplier Device Package | TO-92-3 |
| Weight | 200.005886mg |
| Operating Temperature | -55°C~150°C TJ |
| Packaging | Bulk |
| Published | 2005 |
| Part Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Termination | Through Hole |
| Max Operating Temperature | 150°C |
| Min Operating Temperature | -65°C |
| Voltage - Rated DC | -45V |
| Max Power Dissipation | 625mW |
| Current Rating | -100mA |
| Frequency | 150MHz |
| Base Part Number | BC557 |
| Number of Elements | 1 |
| Polarity | PNP |
| Voltage | 45V |
| Element Configuration | Single |
| Current | 1A |
| Power Dissipation | 500mW |
| Power - Max | 625mW |
| Gain Bandwidth Product | 150MHz |
| Transistor Type | PNP |
| Collector Emitter Voltage (VCEO) | 45V |
| Max Collector Current | 100mA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 180 @ 2mA 5V |
| Current - Collector Cutoff (Max) | 100nA |
| Vce Saturation (Max) @ Ib, Ic | 650mV @ 5mA, 100mA |
| Collector Emitter Breakdown Voltage | 45V |
| Voltage - Collector Emitter Breakdown (Max) | 45V |
| Current - Collector (Ic) (Max) | 100mA |
| Collector Emitter Saturation Voltage | -300mV |
| Max Breakdown Voltage | 45V |
| Frequency - Transition | 320MHz |
| Collector Base Voltage (VCBO) | 50V |
| Emitter Base Voltage (VEBO) | 5V |
| hFE Min | 200 |
| REACH SVHC | No SVHC |
| RoHS Status | Non-RoHS Compliant |
| Lead Free | Lead Free |
BC557B Description
The BC557B is a PNP transistor, the collector and emitter are closed (forward biased) when the base pin is held at the ground and open (reverse biased) when a signal is applied to the base pin.
BC557B Features
Bi-Polar PNP Transistor
DC Current Gain (hFE) is 300 maximum
Continuous Collector current (IC) is 100mA
Emitter Base Voltage (VBE) is 6V
Base Current(IB) is 5mA maximum
Available in TO-92 Package
BC557B Applications
Driver Modules like Relay Driver, LED driver etc.
Amplifier modules like Audio amplifiers, signal Amplifiers etc.
Darlington pair.
Please send RFQ , we will respond immediately.