Small-outline transistor

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SOT transistor packaging

A small outline transistor (SOT) is a small footprint, discrete surface mount transistor commonly used in consumer electronics.

SOT23-3, SOT323, SOT416[edit]

The SOT23-3 package is very popular and a common package for transistors, and is also used for diodes and voltage regulators.

SOT23-3 (SOT23, TO236AB, SOT346, SC59A, TO236AA, SMT3),
SOT323 (SC70-3, UMT3),
SOT416 (SOT523, SC75A, SC90, EMT3)
Dimensions
(in millimeters)
View from top and side Symbol SOT23-3 SOT323 SOT416 3D view
SOT 23,346,323,416 OKÓTOVANý NáRYS K NAHRáTí.png
SOT 23,346,323,416 OKÓTOVANý BOKORYS K NAHRáTí.png
A
SOT23,346,323,416 volný pohled.png
B
C
D
G 1.9 1.3 1.0
H
J
K
L 0.95 0.65 0.5
S
V
ref [1][2][3][4] [5][6] [7][8]

SOT23-5, SOT353[edit]

SOT23-5 (SOT25, SC74A, SOT753, SMT5),
SOT353 (SC70-5, SC88A, TSSOP-5, UMT5)
Dimensions
(in millimeters)
View from top and side Symbol SOT23-5 SOT353 3D view
SOT143,343 OKÓTOVANý Půdorys K NAHRáTí
SOT143,343 OKÓTOVANý BOKORYS K NAHRáTí
A
SOT143,343 volný pohled
B
C
D
F
G 0.95 0.65
H
J
K
L
R
S
ref [9] [10][11]

SOT23-6, SOT363[edit]

SOT23-6 (SOT26, SC59-6, SC74, TSOP-6, SMT6, SM6, Mini6, SOT457),
SOT363 (SC70-6, SC88, TSSOP-6, UMT6, US6, S-Mini6)
Dimensions
(in millimeters)
View from top and side Symbol SOT23-6 SOT363 3D view
SOT143,343 OKÓTOVANý Půdorys K NAHRáTí
SOT143,343 OKÓTOVANý BOKORYS K NAHRáTí
A 2.9
SOT143,343 volný pohled
B 1.625
C 1.25
D 0.4
G 0.95 0.65
H
J
K
S 2.8
V
ref [12][13][14] [15][16]

SOT23-8[edit]

SOT23-8 (SOT28)
View from top and side Symbol Dimensions
(in millimeters)
3D view
SOT143,343 OKÓTOVANý Půdorys K NAHRáTí
SOT143,343 OKÓTOVANý BOKORYS K NAHRáTí
A
SOT143,343 volný pohled
B
C
D
G 0.65
H
J
K
S
L
ref [17]

SOT143, SOT343[edit]

SOT143 (TO253), SOT343
Dimensions
(in millimeters)
View from top and side Symbol SOT143 SOT343 3D view
SOT143,343 OKÓTOVANý Půdorys K NAHRáTí
SOT143,343 OKÓTOVANý BOKORYS K NAHRáTí
A
SOT143,343 volný pohled
B
C
D
F
G 1.78 1.2
H
J
K
L
R
S
ref

SOT490[edit]

SOT490 (SOT523F, SC89, EMT3F)
View from top and side Symbol Dimensions
(in millimeters)
3D view
SOT143,343 OKÓTOVANý Půdorys K NAHRáTí
SOT143,343 OKÓTOVANý BOKORYS K NAHRáTí
A
SOT143,343 volný pohled
B
C
D
G 0.5
J
K
S
L 1.0
ref

SOT89-3[edit]

The SOT89-3 electrically only has three leads (contact/pin). The wide lead (tab) is physically part of the middle lead on the other side of the package. Some call this package a SOT89-4, since it visually appears to have five leads when looking down at the part.

SOT89-3 (TO243AA, SC62, MPT3)
View from top and side Symbol Dimensions
(in millimeters)
3D view
SOT143,343 OKÓTOVANý Půdorys K NAHRáTí
SOT143,343 OKÓTOVANý BOKORYS K NAHRáTí
A
SOT143,343 volný pohled
B
C
D
E
F
G 1.5
J
K
S
L
ref [18]

SOT89-5[edit]

The SOT89-5 electrically only has five leads (contact/pin). The middle lead is physically part of the middle lead on the other side of the package. Some call this package a SOT89-6, since it visually appears to have six leads when looking down at the part.

SOT89-5
View from top and side Symbol Dimensions
(in millimeters)
3D view
SOT143,343 OKÓTOVANý Půdorys K NAHRáTí
SOT143,343 OKÓTOVANý BOKORYS K NAHRáTí
A
SOT143,343 volný pohled
SOT143,343 Volný pohled
B
C
D
E
F
G 1.5
H
J
K
S
L
ref

SOT223-4[edit]

The SOT223-4 package is a popular package for voltage regulators.

SOT223-4 (SC73, TO261AA)
View from top and side Symbol Dimensions
(in millimeters)
3D view
SOT143,343 OKÓTOVANý Půdorys K NAHRáTí
SOT143,343 OKÓTOVANý BOKORYS K NAHRáTí
A
SOT143,343 volný pohled
B
C
D
F
G 2.2
H
J
K
L
S
ref [19][20]

SOT223-5[edit]

The SOT223-5 package is a popular package for voltage regulators.

SOT223-5
View from top and side Symbol Dimensions
(in millimeters)
3D view
SOT143,343 OKÓTOVANý Půdorys K NAHRáTí
SOT143,343 OKÓTOVANý BOKORYS K NAHRáTí
A
SOT143,343 volný pohled
B
C
D
F
G 1.5
H
J
K
L
S
ref

See also[edit]

References[edit]