Bas521, Maximum ratings, Thermal characteristics – Diodes BAS521 User Manual
Page 2: Electrical characteristics

BAS521
Document number: DS32175 Rev. 5 - 2
2 of 4
December 2012
© Diodes Incorporated
BAS521
Maximum Ratings
(@T
A
= +25°C, unless otherwise specified.)
Characteristic Symbol
Value
Unit
Repetitive Peak Reverse Voltage
V
RRM
300 V
Working Peak Reverse Voltage
DC Blocking Voltage
V
RWM
300 V
Forward Current (Note 6)
I
F
250 mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0µs
I
FSM
4.5 A
Repetitive Peak Forward Current (Note 6)
I
FRM
1 A
Thermal Characteristics
Characteristic Symbol
Value
Unit
Power Dissipation (Note 6)
P
D
325 mW
Thermal Resistance Junction to Ambient Air (Note 6)
R
θJA
385
°C/W
Operating and Storage Temperature Range
T
J
, T
STG
-65 to +150
°C
Electrical Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Characteristic Symbol
Min
Max
Unit
Test
Condition
Reverse Breakdown Voltage (Note 7)
V
(BR)R
300
⎯
V
I
R
= 100
μA
Forward Voltage
V
F
⎯
1.1 V
I
F
= 100mA
Reverse Current (Note 7)
I
R
⎯
⎯
⎯
50
150
100
nA
nA
μA
V
R
= 5V
V
R
= 250V
V
R
= 250V, T
J
= +150
°C
Total Capacitance
C
T
⎯
5 pF
V
R
= 0, f = 1.0MHz
Reverse Recovery Time
t
rr
⎯
50 ns
I
F
= I
R
= 30mA,
I
rr
= 0.1 x I
R
, R
L
= 100
Ω
Notes:
6. Part mounted on FR-4 board with recommended pad layout, which can be found on our websit
7. Short duration pulse test used to minimize self-heating effect.
0
125
175
350
100
200
0
T , AMBIENT TEMPERATURE ( C)
Fig. 1 Power Derating Curve, Total Package
A
°
P
,
P
O
WE
R
DIS
S
IP
A
T
IO
N (
m
W
)
D
25
100
50
75
150
50
150
250
300
Note 6
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6 1.8
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics, Per Element
F
0.1
1
10
100
1,000
I,
I
N
S
T
A
N
T
A
N
E
O
U
S
F
O
R
WA
R
D
C
U
R
R
E
N
T
(mA
)
F