2N5551 Datasheet & Equivalents
NPN
SOT-23
General Purpose
GOODWORK
VCEO
160V
Ic Max
600mA
Pd Max
300mW
hFE Gain
-
Quick Reference
The 2N5551 is a NPN bipolar junction transistor in a SOT-23 package, manufactured by GOODWORK. It supports a breakdown voltage of 160V and continuous collector current of 600mA. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | GOODWORK | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 160V | Max breakdown voltage |
| Collector Current (Ic) | 600mA | Max current handling |
| Power Dissipation (Pd) | 300mW | Max thermal limit |
| DC Current Gain (hFE) | - | Base signal amplification ratio |
| Transition Frequency (fT) | 300MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 150mV@10mA,1mA | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | 6V | Max emitter-base breakdown |
| Collector Cutoff Current | 50nA | Leakage current when OFF |
| Operating Temp | -55℃~+150℃@(Tj) | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| MMBT5551 | NPN | SOT-23 | 160V | 600mA | - | 300mW | luJing 📄 PDF |
| 2N5551S-RTK/P | NPN | SOT-23 | 160V | 600mA | 80 | 350mW | KEC 📄 PDF |
| LMBT5551LT1G | NPN | SOT-23 | 160V | 600mA | 80 | 225mW | LRC 📄 PDF |
| MMBT5551-AU_R1_000A2 | NPN | SOT-23 | 160V | 600mA | 80 | 250mW | PANJIT 📄 PDF |
| MMBT5551LT1G | NPN | SOT-23 | 160V | 600mA | 80 | 300mW | onsemi 📄 PDF |
| SMMBT5551LT1G | NPN | SOT-23 | 160V | 600mA | 80 | 300mW | onsemi 📄 PDF |
| MMBT5551 | NPN | SOT-23 | 160V | 600mA | 80 | 250mW | JSMSEMI 📄 PDF |
| MMBT5551 | NPN | SOT-23 | 160V | 600mA | 80 | 300mW | TWGMC 📄 PDF |
| MMBT5551 | NPN | SOT-23 | 160V | 600mA | 80 | 300mW | Jingdao Micro... 📄 PDF |
| MMBT5551 | NPN | SOT-23 | 160V | 600mA | 80 | 225mW | AnBon 📄 PDF |
| MMBT5551 | NPN | SOT-23 | 160V | 600mA | 80 | 350mW | ST(Semtech) 📄 PDF |
| MMBT5551 | NPN | SOT-23 | 160V | 600mA | 80 | 300mW | ElecSuper 📄 PDF |
| MMBT5551 | NPN | SOT-23 | 160V | 600mA | 80 | 300mW | BORN 📄 PDF |
| MMBT5551(RANGE:100-200) | NPN | SOT-23 | 160V | 600mA | 100 | 300mW | JSCJ 📄 PDF |
| MMBT5551-TP | NPN | SOT-23 | 160V | 600mA | 100 | 300mW | MCC 📄 PDF |
| MMBT5551 | NPN | SOT-23 | 160V | 600mA | 100 | 300mW | YANGJIE 📄 PDF |
| MMBT5551 | NPN | SOT-23 | 160V | 600mA | 100 | 300mW | R+O 📄 PDF |
| MMBT5551 | NPN | SOT-23 | 160V | 600mA | 100 | 350mW | LGE 📄 PDF |
| MMBT5551 | NPN | SOT-23 | 160V | 600mA | 100 | 300mW | HT(Shenzhen J... 📄 PDF |
| MMBT5551 | NPN | SOT-23 | 160V | 600mA | 100 | 300mW | Guangdong Hot... 📄 PDF |