BF998/BF998R/BF998RW
Vishay Telefunken
Absolute Maximum Ratings
T
amb
= 25
_
C, unless otherwise specified
Parameter
Drain - source voltage
Drain current
Gate 1/Gate 2 - source peak current
Gate 1/Gate 2 - source voltage
Total power dissipation
Channel temperature
Storage temperature range
Test Conditions
Symbol
Value
V
DS
12
I
D
30
±I
G1/G2SM
10
±V
G1S/G2S
7
P
tot
200
T
Ch
150
T
stg
–65 to +150
Unit
V
mA
mA
V
mW
°
C
°
C
T
amb
≤
60
°
C
Maximum Thermal Resistance
T
amb
= 25
_
C, unless otherwise specified
Parameter
Test Conditions
Channel ambient on glass fibre printed board (25 x 20 x 1.5) mm
3
plated with 35
m
m Cu
Symbol
R
thChA
Value
450
Unit
K/W
Electrical DC Characteristics
T
amb
= 25
_
C, unless otherwise specified
Parameter
Drain - source
breakdown voltage
Gate 1 - source
breakdown voltage
Gate 2 - source
breakdown voltage
Gate 1 - source
leakage current
Gate 2 - source
leakage current
Drain current
Test Conditions
I
D
= 10
m
A,
–V
G1S
= –V
G2S
= 4 V
±I
G1S
= 10 mA,
V
G2S
= V
DS
= 0
±I
G2S
= 10 mA,
V
G1S
= V
DS
= 0
±V
G1S
= 5 V,
V
G2S
= V
DS
= 0
±V
G2S
= 5 V,
V
G1S
= V
DS
= 0
V
DS
= 8 V, V
G1S
= 0,
V
G2S
= 4 V
Type
Symbol
V
(BR)DS
±V
(BR)G1SS
±V
(BR)G2SS
±I
G1SS
±I
G2SS
BF998/BF998R/
BF998RW
BF998A/BF998RA/
BF998RAW
BF998B/BF998RB/
BF998RBW
I
DSS
I
DSS
I
DSS
–V
G1S(OFF)
–V
G2S(OFF)
4
4
9.5
1.0
0.6
Min
12
7
7
Typ
Max Unit
V
14
14
50
50
18
V
V
nA
nA
mA
10.5 mA
18
2.0
1.0
mA
V
V
Gate 1 - source
cut-off voltage
Gate 2 - source
cut-off voltage
V
DS
= 8 V, V
G2S
= 4 V,
I
D
= 20
m
A
V
DS
= 8 V, V
G1S
= 0,
I
D
= 20
m
A
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2 (9)
Document Number 85011
Rev. 4, 23-Jun-99
VISHAY [ VISHAY TELEFUNKEN ]
