MMDT3946 Transistor Datasheet & Specifications
NPN+PNP
SOT-363
General Purpose
YANGJIE
VCEO
40V
Ic Max
200mA
Pd Max
200mW
hFE Gain
300
Quick Reference
The MMDT3946 is a NPN+PNP bipolar transistor in a SOT-363 package by YANGJIE. This datasheet provides complete specifications including 40V breakdown voltage and 200mA continuous collector current. Download the MMDT3946 datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | YANGJIE | Original Manufacturer |
| Package | SOT-363 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 40V | Breakdown voltage |
| Ic | 200mA | Collector current |
| Pd | 200mW | Power dissipation |
| DC Current Gain | 300 | hFE / Beta |
| Frequency | 300MHz | Transition speed (fT) |
| VCEsat | - | Saturation voltage |
| Vebo | 5V | Emitter-Base voltage |
| Cutoff Current | 50nA | Leakage (ICBO) |
| Temp | - | Operating temp |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| MMDT5451 | NPN+PNP | SOT-363 | 160V | 200mA | 200mW |
| MMDT3946 | NPN+PNP | SOT-363 | 40V | 200mA | 200mW |
| PMBT3946YPN-HXY | NPN+PNP | SOT-363 | 40V | 200mA | 200mW |
| MBT3946DW1T1G-HXY | NPN+PNP | SOT-363 | 40V | 200mA | 200mW |
| TPMMDT5551 | NPN+PNP | SOT-363 | 160V | 200mA | 200mW |
| MMDT3946 | NPN+PNP | SOT-363 | 40V | 200mA | 200mW |
| MMDT5451 | NPN+PNP | SOT-363 | 160V | 200mA | 200mW |
| MMDT3946 | NPN+PNP | SOT-363 | 40V | 200mA | 200mW |
| MMDT4413 | NPN+PNP | SOT-363 | 40V | 600mA | 200mW |
| MMDT3946DW | NPN+PNP | SOT-363 | 40V | 200mA | 200mW |