FDS9945 MOSFETs by ON Semiconductor

N-Channel PowerTrench® MOSFET, 60V, 3.5A, 100mΩ


These N Channel Logic Level MOSFET have been designed specifically to improve the overall efficiency of DC/DC converters using either synchronous or conventional switching PWM controllers. The MOSFET feature faster switching and lower gate charge than other MOSFET with comparable RDS(on) specifications. The result is a MOSFET that is easy and safer to drive (even at very high frequencies), and DC/DC power supply designs with higher overall efficiency.

Where to Buy

Prices starting from US$0.21

Distributor Stock
Logo for RS
RS
from US$0.27
2,500
in stock
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Logo for Future Electronics
Future Electronics
from US$0.22
17,500
in stock
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Logo for Avnet Asia
Avnet Asia
from US$0.47
12,500
in stock
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Logo for element14
element14
from US$0.34
5,729
in stock
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Logo for Newark Electronics
Newark Electronics
from US$0.29
3,949
in stock
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Logo for Farnell
Farnell
from US$0.33
3,944
in stock
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Logo for Transfer Multisort Elektronik
Transfer Multisort Elektronik
from US$0.33
148
in stock
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Logo for Avnet Silica
Avnet Silica
-
77,500
in stock
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Logo for EBV Elektronik
EBV Elektronik
-
52,500
in stock
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Logo for Avnet America
Avnet America
from US$0.21
-
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Features

3.5 A, 60 V
RDS(ON) = 0.100Ω @ VGS = 10 V
RDS(ON) = 0.200Ω @ VGS = 4.5 V
Optimized for use in switching DC/DC converterswith PWM controllers
Very fast switching
Low gate charge
Applications
This product is general usage and suitable for many different applications.
End Products
DC/DC Converters

Specifications

Description FDS9945
Compliance Pb-free Halide free
Channel Polarity N-Channel
Configuration Dual
V(BR)DSS Min (V) 60
VGS Max (V) ±20
VGS(th) Max (V) 3
ID Max (A) 3.5
PD Max (W) 2
RDS(on) Max @ VGS = 2.5 V (mΩ) -
RDS(on) Max @ VGS = 4.5 V (mΩ) Q1=Q2=200
RDS(on) Max @ VGS = 10 V (mΩ) Q1=Q2=100
Qg Typ @ VGS = 4.5 V (nC) -
Qg Typ @ VGS = 10 V (nC) 8
Ciss Typ (pF) 420
Package Type SOIC-8

Alternative Descriptions

Dual N-Channel 60 V 2 W 13 nC PowerTrench Surface Mount Mosfet - SOIC-8 | Future Electronics
Transistor MOSFET Array Dual N-CH 60V 3.5A 8-Pin SOIC T/R | Avnet Asia
MOSFET, N CH, 60V, 3.5A, 8SOIC | element14
Mosfet, N Channel, 60V, 3.5A, 8Soic | Newark Electronics
MOSFET N-Ch 60V 3.5A PowerTrench SOIC8 | RS
Transistor: N-MOSFET x2 | Transfer Multisort Elektronik


Frequently Asked Questions

Where can I find additional details, specifications and documents for a FDS9945?

Additional datasheets, footprints and schematics for FDS9945 are listed on our Part Details page. You can also find images and similar parts to FDS9945 on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for FDS9945 on our Product Comparison page. Access via the 'View Pricing & Stock' button to view FDS9945 price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does FDS9945 fall under?

The FDS9945 is listed under Discrete & Power Modules > MOSFETs.

Can I view similar or alternative parts?

You can view similar parts to FDS9945 when available in the MOSFETs range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the FDS9945 you can contact the distributor directly for product support, shipping queries etc.

Is the FDS9945 RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by ON Semiconductor.

Which authorised distributors for FDS9945 have stock available?

Authorised distributors including Future Electronics, Avnet Asia, element14, Newark Electronics and Farnell have stock available or on a lead time for FDS9945.

How do I check stock and lead times for all distributors?

Stock availability and lead times will be displayed for FDS9945 often in real-time on the comparison pages.

What if I can't find stock of FDS9945?

You can fill out our help required form which you can use to request a quote for FDS9945 from some of our verified obsolescence suppliers. Alternatively, contact us via our web chat in the bottom left of your screen and one of our team will try to help.

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