KN4401S-RTK/P Transistor Datasheet & Specifications
NPN
SOT-23
General Purpose
KEC
VCEO
40V
Ic Max
600mA
Pd Max
350mW
hFE Gain
100
Quick Reference
The KN4401S-RTK/P is a NPN bipolar transistor in a SOT-23 package by KEC. This datasheet provides complete specifications including 40V breakdown voltage and 600mA continuous collector current. Download the KN4401S-RTK/P datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | KEC | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 40V | Breakdown voltage |
| Ic | 600mA | Collector current |
| Pd | 350mW | Power dissipation |
| DC Current Gain | 100 | hFE / Beta |
| Frequency | 250MHz | Transition speed (fT) |
| VCEsat | 400mV | Saturation voltage |
| Vebo | 6V | Emitter-Base voltage |
| Cutoff Current | 100nA | Leakage (ICBO) |
| Temp | - | Operating temp |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| ZXTN2020FTA | NPN | SOT-23 | 100V | 4A | 1.2W |
| FMMT491ATA | NPN | SOT-23 | 40V | 1A | 500mW |
| DNBT8105-7 | NPN | SOT-23 | 60V | 1A | 600mW |
| ZXTN2040FTA | NPN | SOT-23 | 40V | 1A | 310mW |
| FMMT493ATA | NPN | SOT-23 | 60V | 1A | 500mW |
| MMBT5551 | NPN | SOT-23 | 160V | 600mA | 250mW |
| MMBT4401 | NPN | SOT-23 | 40V | 600mA | 350mW |
| PBSS4350T,215 | NPN | SOT-23 | 50V | 2A | 300mW |
| NSS40201LT1G | NPN | SOT-23 | 40V | 2A | 460mW |
| MMBT5551 | NPN | SOT-23 | 160V | 600mA | 300mW |