FDS8449
SMALL SIGNAL FIELD-EFFECT TRANSI
Transistors Fets Mosfets Single
8-SOIC (0.154", 3.90mm Width)
PowerTrench®
Active
Price available on request
MOQ: 854 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | FDS8449 |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| FET Type | N-Channel |
| Drain to Source Voltage (Vdss) | 40 V |
| Rds On (Max) | 29mOhm @ 7.6A, 10V |
| Vgs(th) (Max) | 3V @ 250µA |
| Gate Charge (Qg) | 11 nC @ 5 V |
| Input Capacitance (Ciss) | 760 pF @ 20 V |
| Power Dissipation (Max) | 2.5W (Ta) |
| Drive Voltage | 4.5V, 10V |
| Supplier Device Package | 8-SOIC |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
FDS8449 by Rochester Electronics, LLC is an N-channel power MOSFET rated at 40 V / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The 8-SOIC (0.154", 3.90mm Width) package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 29mOhm @ 7.6A, 10V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
📖 Technical Guides for FDS8449
Alternatives & Replacements
View All →FDS8878
POWER FIELD-EFFECT TRANSISTOR, 1
FDS8876
MOSFET N-CH 30V 12.5A 8SOIC
FDS7066ASN3
MOSFET N-CH 30V 19A 8SO
FDS7760A
MOSFET N-CH 30V 15A 8SOIC
HUF75631SK8T
MOSFET N-CH 100V 5.5A 8SOIC
FDFS2P753Z
MOSFET P-CH 30V 3A 8SOIC
All Technical Specifications
| FET Type | N-Channel |
| Vgs (Max) | ±20V |
| Technology | MOSFET (Metal Oxide) |
| Vgs(th) (Max) @ Id | 3V @ 250µA |
| Rds On (Max) @ Id, Vgs | 29mOhm @ 7.6A, 10V |
| Power Dissipation (Max) | 2.5W (Ta) |
| Gate Charge (Qg) (Max) @ Vgs | 11 nC @ 5 V |
| Drain to Source Voltage (Vdss) | 40 V |
| Input Capacitance (Ciss) (Max) @ Vds | 760 pF @ 20 V |
| Drive Voltage (Max Rds On, Min Rds On) | 4.5V, 10V |
| Current - Continuous Drain (Id) @ 25°C | 7.6A (Ta) |
Request a Quote
Submit your quantity and details — we will reply within 24 hours.