Dated : 19/12/2005
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
BAS19, BAS20, BAS21
HIGH VOLTAGE SWITCHING DIODES
BAS19
Marking Code: HA
BAS20
Marking Code: HB
BAS21
Marking Code: HC
Absolute Maximum Ratings (Ta = 25 OC)
Parameter
Symbol
Value
Unit
Continuous Reverse Voltage
BAS19
BAS20
BAS21
VR
120
200
250
V
Continuous Forward Current
IF
200
mA
Peak Forward Surge Current
IFM(surge)
625
mA
Total Device Dissipation FR-5 Board
1)
TA=25 OC
Derate above 25 OC
PD
225
1.8
mW
mW/OC
Thermal Resistance Junction to Ambient
RθJA
556
O
C/W
Total Device Dissipation Alumina Substrate
2)
TA=25 OC
Derate above 25 OC
PD
300
2.4
mW
mW/OC
Thermal Resistance Junction to Ambient
RθJA
417
O
C/W
Junction and Storage Temperature Range
TJ ,TS
-55 to +150
O
C
Characteristics at Tj = 25 OC
Parameter
Symbol
Min.
Max.
Unit
Forward Voltage
at IF = 100 mA
at IF = 200 mA
VF
VF
-
-
1
1.25
V
V
Reverse Breakdown Voltage
at IBR = 100 µA
at IBR = 100 µA
at IBR = 100 µA
BAS19
BAS20
BAS21
V(BR)
V(BR)
V(BR)
120
200
250
-
-
-
V
V
V
Reverse Voltage Leakage Current
at VR = 100 V
at VR = 150 V
at VR = 200 V
at VR = 100 V, TJ = 150 OC
at VR = 150 V, TJ = 150 OC
at VR = 200 V, TJ = 150 OC
BAS19
BAS20
BAS21
BAS19
BAS20
BAS21
IR
IR
IR
IR
IR
IR
-
-
-
-
-
-
0.1
0.1
0.1
100
100
100
µA
µA
µA
µA
µA
µA
Diode Capacitance
at f = 1 MHz
Cd
-
5
pF
Reverse Recovery Time
at IF = IR= 30 mA, IR(REC) = 3 mA, RL = 100 Ω
trr
-
50
ns
1) FR-5=1 x 0.75 x 0.062 in.
2) Alumina=0.4 x 0.3 x 0.024in.99.5% alumina.
1
3
2
SOT-23 Plastic Package