2N4989
SMALL SIGNAL BIPOLAR TRANSISTOR
Transistors Programmable Unijunction
TO-98-3
Active
$1.47 / unit (market reference)
MOQ: 205 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | 2N4989 |
| Package / Case | TO-98-3 |
| Power Dissipation (Max) | 300 mW |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
2N4989 by Rochester Electronics, LLC is an N-channel power MOSFET rated at N/A / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The TO-98-3 package offers good thermal performance for SMT mounting. Key spec: Rds(on) max N/A. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
📖 Technical Guides for 2N4989
Alternatives & Replacements
View All →CMPP6028 TR PBFREE
PROGRAMMABLE UJT SOT-23
2N6028
T-PROG UNIJUNCTION
2N4988
SMALL SIGNAL BIPOLAR TRANSISTOR
2N2646
UNI JUNCT TRANS TO18
NTE6409
T-UNIJUNCTION SI
2N2646
T-SI- UNIJUNCTION
All Technical Specifications
| Voltage | 30V |
| Power Dissipation (Max) | 300 mW |
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