1. N-ch Enhancement mode Low Rds(on) FET
BSS138W
N-ch Enhancement mode Low Rds(on) FET

2. BSS138W N-ch Low Rds(on) FET
◆ Application
◆ Description
∙ LCD TV, PC, STB, Base Station
∙ BSS138W is designed to minimize on-state
resistance. And fast switching performance. It is
particularly good for low voltage, low current
application such as small servo motor control
◆ Features
LCD/LED TV SMPS
STB PC
∙ High density cell design for extremely low Rds(on)
∙ Compact industry standard SOT-323 surface
mount package.
∙ Rds(on) = 3.5Ω at Vgs=10V, Id=0.22A
Rds(on) = 6.0 Ω at Vgs=4.5V, Id=0.22A
◆ Pkg & Pin configuration
SOT-323 (2.0*1.25*0.9)

3. BSS138W N-ch Low Rds(on) FET
Absolute Maximum Rating
Item Comparison: The lowest Rds(on) between the competitors
Company
Item
PKG
VDSS(V)
ID (A)
Rds(on) (Typ)
Td(on) (Max)
Fairchild
BSS138W
SOT-323 50
0.21
1.17Ω at Vgs=10V
5nS at Id=0.29A, Vgs=10V
Diodes Inc
0.20
1.4Ω at Vgs=10V
20nS at Id=0.20A, Vgs=10V
Infineon 60
0.28
2.1Ω at Vgs=10V
3.3nS at Id=0.20A, Vgs=10V
Ordering Information

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