User guide

BSS138W
Document number: DS30206 Rev. 11 - 2
3 of 5
www.diodes.com
September 2013
© Diodes Incorporated
BSS138W
0
0.1
0.2
0.3
0.4
0.5
0.6
1
0
32
5
47
6
8
910
I, D
R
AI
N
-S
O
U
R
C
E
C
U
R
R
E
N
T
(A)
D
V , DRAIN-SOURCE VOLTAGE (V)
Fig. 1 Drain-Source Current vs. Drain-Source Voltage
DS
T = 25 C
j
°
0
V , GATE-SOURCE VOLTAGE (V)
Fig. 2 Transfer Characteristics
GS
0.1
0.2
0.3
0.5
0.4
0.6
0.7
0.8
01
1.50.5 2 3.5
4
4.52.5
3
I, D
R
AIN-S
O
U
R
C
E
C
U
R
R
EN
T
(A)
D
-55 C °
150 C °
25 C °
V = 1V
DS
0.65
T , JUNCTION TEMPERATURE (°C)
Fig. 3 Drain-Source On Resistance vs. Junction Temperature
j
0.85
1.05
1.25
1.65
1.45
1.85
2.05
2.25
2.45
-55
-5
45
95
145
V = 10V
GS
V = 4.5V
GS
I = 0.5A
D
I = 0.075A
D
R , NORMALIZED DRAIN-SOURCE
ON RESISTANCE ( )
DS(ON)

0
0.2
0.4
0.6
0.8
1
1.4
1.2
2
1.8
1.6
-55
5-25 35 9565
125
155
V,
G
A
T
E
T
H
R
ES
H
O
LD V
O
L
T
A
G
E (V)
GS(th)
T , JUNCTION TEMPERATURE (°C)
Fig. 4 Gate Threshold Voltage vs. Junction Temperature
j
I = 1.0mA
D
0
I , DRAIN CURRENT (A)
Fig. 5 Drain-Source On Resistance vs. Drain Current
D
1
2
3
4
5
6
7
8
0
0.02 0.04 0.06 0.08 0.160.140.120.1
150 C °
-55 C °
25 C °
V = 2.5V
GS
R , STATIC DRAIN-SOURCE
ON RESISTANCE ( )
DS(ON)

0
I , DRAIN CURRENT (A)
Fig. 6 Drain-Source On Resistance vs. Drain Current
D
1
2
3
5
4
6
7
8
9
0
0.05 0.1
0.2
0.15 0.25
150 C °
-55 C °
25 C °
V = 2.75V
GS
R
, S
T
A
T
I
C
D
R
AIN-S
O
U
R
C
E
ON RESISTANCE ( )
DS(ON)
