2SD1664-R Datasheet & Equivalents
NPN
SOT-89
General Purpose
YFW
VCEO
32V
Ic Max
1A
Pd Max
500mW
hFE Gain
390
Quick Reference
The 2SD1664-R is a NPN bipolar junction transistor in a SOT-89 package, manufactured by YFW. It supports a breakdown voltage of 32V and continuous collector current of 1A. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | YFW | Original Manufacturer |
| Package | SOT-89 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 32V | Max breakdown voltage |
| Collector Current (Ic) | 1A | Max current handling |
| Power Dissipation (Pd) | 500mW | Max thermal limit |
| DC Current Gain (hFE) | 390 | Base signal amplification ratio |
| Transition Frequency (fT) | 150MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 400mV | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | 5V | Max emitter-base breakdown |
| Collector Cutoff Current | 500nA | Leakage current when OFF |
| Operating Temp | - | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| 2SD1664G-Q-AB3-R | NPN | SOT-89 | 32V | 1A | 390 | 1.9W | UTC 📄 PDF |
| 2SD1898R | NPN | SOT-89 | 32V | 1A | 390 | 1W | Shikues 📄 PDF |
| 2SD1664 | NPN | SOT-89 | 32V | 1A | 390 | 500mW | HT(Shenzhen J... 📄 PDF |
| 2SD1664 | NPN | SOT-89 | 32V | 1A | 390 | 0.5mW | R+O 📄 PDF |
| 2SD1664Q | NPN | SOT-89 | 32V | 1A | 270 | 500mW | Shikues 📄 PDF |
| 2DD1664R-13 | NPN | SOT-89 | 32V | 1A | 180 | 1W | DIODES 📄 PDF |
| 2SD1664R | NPN | SOT-89 | 32V | 1A | 180 | 1W | Shikues 📄 PDF |
| 2DD1664Q-13 | NPN | SOT-89 | 32V | 1A | 120 | 1.5W | DIODES 📄 PDF |
| 2DD1664P-13 | NPN | SOT-89 | 32V | 1A | 82 | 1.5W | DIODES 📄 PDF |
| 2SD1664-JSM | NPN | SOT-89 | 32V | 2A | 390 | 500mW | JSMSEMI 📄 PDF |
| 2SD1766T100R | NPN | SOT-89 | 32V | 2A | 120 | 10W | ROHM 📄 PDF |
| FCX491ATA | NPN | SOT-89 | 40V | 1A | 200 | 1W | DIODES 📄 PDF |
| 2SD874A | NPN | SOT-89 | 40V | 1A | 50 | 500mW | Shikues 📄 PDF |
| BCX54-16(MS) | NPN | SOT-89 | 45V | 1A | 250 | 500mW | MSKSEMI 📄 PDF |
| BCX54-16(RANGE:100-250) | NPN | SOT-89 | 45V | 1A | 100 | 500mW | JSCJ 📄 PDF |
| BCX54-16 | NPN | SOT-89 | 45V | 1A | 100 | 1.3W | Slkor 📄 PDF |
| BCX54 | NPN | SOT-89 | 45V | 1A | 40 | 500mW | TWGMC 📄 PDF |
| BCX54(MS) | NPN | SOT-89 | 45V | 1A | 25 | 500mW | MSKSEMI 📄 PDF |
| BCX54 | NPN | SOT-89 | 45V | 1A | 25 | 1.3W | Shikues 📄 PDF |
| FCX690BTA | NPN | SOT-89 | 45V | 2A | 400 | 2W | DIODES 📄 PDF |