KN4403S-RTK/P Datasheet & Equivalents
PNP
SOT-23
General Purpose
KEC
VCEO
40V
Ic Max
600mA
Pd Max
350mW
hFE Gain
300
Quick Reference
The KN4403S-RTK/P is a PNP bipolar junction transistor in a SOT-23 package, manufactured by KEC. It supports a breakdown voltage of 40V and continuous collector current of 600mA. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | KEC | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 40V | Max breakdown voltage |
| Collector Current (Ic) | 600mA | Max current handling |
| Power Dissipation (Pd) | 350mW | Max thermal limit |
| DC Current Gain (hFE) | 300 | Base signal amplification ratio |
| Transition Frequency (fT) | 200MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 750mV | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | 5V | Max emitter-base breakdown |
| Collector Cutoff Current | 100nA | Leakage current when OFF |
| Operating Temp | - | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| MMBT4403-6AF | PNP | SOT-23 | 40V | 600mA | 300 | 250mW | FOSAN 📄 PDF |
| MMBT2907A(2F) | PNP | SOT-23 | 40V | 600mA | 300 | 250mW | ALJ 📄 PDF |
| MMBT4403 | PNP | SOT-23 | 40V | 600mA | 300 | 300mW | MDD(Microdiod... 📄 PDF |
| MMBT4403 | PNP | SOT-23 | 40V | 600mA | 300 | 300mW | Wild Goose 📄 PDF |
| MMBT4403 | PNP | SOT-23 | 40V | 600mA | 300 | 300mW | FUXINSEMI 📄 PDF |
| MMBT4403 | PNP | SOT-23 | 40V | 600mA | 300 | 300mW | XCH 📄 PDF |
| MMBT4403LT1 | PNP | SOT-23 | 40V | 600mA | 200 | 350mW | LGE 📄 PDF |
| MMBT4403-7-F | PNP | SOT-23 | 40V | 600mA | 100 | 310mW | DIODES 📄 PDF |
| MMBT4403_R1_00001 | PNP | SOT-23 | 40V | 600mA | 100 | 225mW | PANJIT 📄 PDF |
| PMBT4403 | PNP | SOT-23 | 40V | 600mA | 100 | 250mW | Nexperia 📄 PDF |
| 215 | PNP | SOT-23 | 40V | 600mA | 100 | 250mW | amsem 📄 PDF |
| MMBT2907A | PNP | SOT-23 | 40V | 600mA | 100 | 300mW | JSCJ 📄 PDF |
| MMBT4403 | PNP | SOT-23 | 40V | 600mA | 100 | 300mW | R+O 📄 PDF |
| MMBT4403 | PNP | SOT-23 | 40V | 600mA | 100 | 300mW | TWGMC 📄 PDF |
| MMBT4403 | PNP | SOT-23 | 40V | 600mA | 100 | 300mW | Guangdong Hot... 📄 PDF |
| MMBT4403 | PNP | SOT-23 | 40V | 600mA | 100 | 300mW | JSMSEMI 📄 PDF |
| MMBT4403 | PNP | SOT-23 | 40V | 600mA | 70 | 300mW | BORN 📄 PDF |
| MMBT4403 | PNP | SOT-23 | 40V | 600mA | 35 | 300mW | LRC 📄 PDF |
| LMBT2907ALT1G | PNP | SOT-23 | 40V | 600mA | 35 | 300mW | LRC 📄 PDF |
| S-LMBT2907ALT1G | PNP | SOT-23 | 40V | 600mA | 30 | 300mW | LRC 📄 PDF |