Small Signal MOSFETs | FQS4903

N-Channel QFET® MOSFET 500V, 0.37A, 6.2Ω

Obsolete

Datasheet

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Overview

This N-Channel enhancement mode power MOSFET is produced using onsemi Semiconductor’s proprietary planar stripe and DMOS technology. This advanced MOSFET technology has been especially tailored to reduce on-state resistance, and to provide superior switching performance and high avalanche energy strength. These devices are suitable for switched mode power supplies, active power factor correction (PFC), and electronic lamp ballasts.

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  • 0.37A, 500V, RDS(on) = 6.2Ω(Max.) @VGS = 10 V, ID = 0.185A
  • Low gate charge ( Typ. 6.3nC)
  • Low Crss ( Typ. 4.5pF)
  • 100% avalanche tested

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Channel Polarity

Silicon Family

Package Name

Type

Gate Level

Wide SOA Mosfets

Configuration

OPN in older Technology

V(BR)DSS Min (V)

RDS(on) Max @ VGS = 10 V (mΩ)

VGS Max (V)

Vgs(th) Max (V)

Id Max (A)

PD Max (W)

RDS(on) Max @ VGS = 2.5 V (mΩ)

RDS(on) Max @ VGS = 4.5 V (mΩ)

Qg Typ @ VGS = 4.5 V (nC)

Qg Typ @ VGS = 10 V (nC)

Ciss Typ (pF)

Qgd Typ @ VGS = 4.5 V (nC)

Qrr Typ (nC)

Coss Typ (pF)

Crss Typ (pF)

Reference Price

FQS4903TF

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751EB

1

260

REEL

3000

N

N-Channel

PowerTrench® T1

SOIC-8

Small Signal

Standard

0

Dual

0

500

Q1=Q2=6200

±30

4

0.37

2

-

-

-

6.3

155

3.63

175

25

4.5

Price N/A

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Reliability Data

Die Related Summary Data

Device: FQS4903TF

Equivalent to wafer fab process: 3D

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

3D

10

304347029

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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