Maximum ratings, Thermal characteristics, Electrical characteristics – Diodes BSS138 User Manual
Page 2: Bss138
BSS138
Document number: DS30144 Rev. 20 - 2
2 of 5
November 2013
© Diodes Incorporated
BSS138
Maximum Ratings
(@T
A
= +25°C, unless otherwise specified.)
Characteristic Symbol
Value
Units
Drain-Source Voltage
V
DSS
50 V
Drain-Gate Voltage R
GS
≤ 20KΩ
V
DGR
50 V
Gate-Source Voltage
Continuous
V
GSS
±20
V
Gate-Source Voltage
Non repetitive, Pulse width<50
μs
±40
V
Drain Current
Continuous
I
D
200 mA
Pulsed Drain Current (
10μs pulse duty cycle = 1%)
I
DM
1 A
Thermal Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Characteristic Symbol
Value
Units
Power Dissipation (Note 5)
P
D
300 mW
Thermal Resistance, Junction to Ambient (Note 5)
R
θJA
417
°C/W
Operating and Storage Temperature Range
T
J
, T
STG
-55 to +150
°C
Electrical Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Characteristic Symbol
Min
Typ
Max
Unit
Test
Condition
OFF CHARACTERISTICS (Note 6)
Drain-Source Breakdown Voltage
BV
DSS
50 75
⎯
V
V
GS
= 0V, I
D
= 250
μA
Zero Gate Voltage Drain Current
I
DSS
⎯
⎯
0.5 µA
V
DS
= 50V, V
GS
= 0V
Gate-Body Leakage
I
GSS
⎯
⎯
±100
nA V
GS
=
±20V, V
DS
= 0V
ON CHARACTERISTICS (Note 6)
Gate Threshold Voltage
V
GS(th)
0.5 1.2 1.5 V V
DS
= V
GS
, I
D
= 250
μA
Static Drain-Source On-Resistance
R
DS (ON)
⎯
1.4 3.5
Ω
V
GS
= 10V, I
D
= 0.22A
Forward Transconductance
g
FS
100
⎯
⎯
mS V
DS
= 25V, I
D
= 0.2A, f = 1.0KHz
DYNAMIC CHARACTERISTICS
Input Capacitance
C
iss
⎯
⎯
50 pF
V
DS
= 10V, V
GS
= 0V, f = 1.0MHz
Output Capacitance
C
oss
⎯
⎯
25 pF
Reverse Transfer Capacitance
C
rss
⎯
⎯
8.0 pF
SWITCHING CHARACTERISTICS
Turn-On Delay Time
t
D(ON)
⎯
⎯
20 ns
V
DD
= 30V, I
D
= 0.2A, R
GEN
= 50
Ω
Turn-Off Delay Time
t
D(OFF)
⎯
⎯
20 ns
Notes:
5. Device mounted on FR-5 PCB 1.0 x 0.75 x 0.062 inch pad layout as shown on Diodes, Inc. suggested pad layout AP02001, which can be found on our
website at6. Short duration pulse test used to minimize self-heating effect.
0
0.1
0.2
0.3
0.4
0.5
0.6
0
10
9
1
2
3
4
5
6
7
8
I,
D
R
AI
N-
S
O
U
R
C
E
C
U
R
R
EN
T
(A
)
D
V , DRAIN-SOURCE VOLTAGE (V)
Fig. 1 Drain-Source Current vs. Drain-Source Voltage
DS
T = 25 C
j
°
V
= 3.5V
GS
V
= 3.25V
GS
V
= 3.0V
GS
V
= 2.75V
GS
V
= 2.5V
GS
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
0
1
1.5
0.5
2
3.5 4
4.5
2.5
3
I,
D
R
AI
N
-S
O
U
R
C
E
C
U
R
R
E
N
T
(A
)
D
-55 C
°
150 C
°
25 C
°
V = 1V
DS