T1
Semiconductor Group
1
Draft A03 1998-04-01
HiRel
Silicon Schottky Diode
BAS 70
Features
HiRel
Discrete and Microwave Semiconductor
General-purpose diodes for high-speed switching
Circuit protection
Voltage clamping
High-level detecting and mixing
Hermetically sealed microwave package
qualified
ESA/SCC Detail Spec. No.: 5512/020
ESD: E
lectro
s
tatic
d
ischarge sensitive device, observe handling precautions!
(ql) Quality Level: P: Professional Quality,
Ordering Code: Q62702A1173
H: High Rel Quality,
Ordering Code: on request
S: Space Quality,
Ordering Code: on request
ES: ESA Space Quality, Ordering Code: Q62702A674
(see
Chapter Order Instructions
for ordering example)
1)
t
10 ms, duty cycle = 10
%
Type
Marking
Ordering Code
Pin Configuration
Package
BAS70-T1 (ql)
-
see below
T1
Table 1
Maximum Ratings
Parameter
Symbol
Limit Values
Unit
Reverse voltage
V
R
70
V
Forward current
I
F
70
mA
Surge forward current
1)
I
FSM
85
mA
Power dissipation
P
tot
250
mW
Operating temperature range
T
op
-
55 to + 150
C
Storage temperature range
T
stg
-
65 to + 150
C
Soldering temperature
T
sol
+ 250
C
Junction temperature
T
j
150
C
Thermal resistance junction-case
R
th(j-c)
100
K/W
BAS 70
Semiconductor Group
2
Draft A03 1998-04-01
Electrical Characteristics
2)
Table 2
DC Characteristics
at
T
A
= 25
C unless otherwise specified
Parameter
Symbol
Limit Values
Unit
min.
typ.
max.
Reverse current 1,
V
R
= 70 V
I
R1
-
-
2
m
A
Reverse current 2,
V
R
= 56 V
I
R2
-
-
0.1
m
A
Forward voltage 1,
I
F1
= 1 mA
V
F1
0.30
0.38
0.44
V
Forward voltage 2,
I
F2
= 10 mA
V
F2
0.60
0.70
0.78
V
Forward voltage 3,
I
F3
= 15 mA
V
F3
0.80
0.85
1.00
V
Differential forward resistance
2)
I
F2
= 10 mA,
I
F3
= 15 mA
R
FD
24
30
32
W
Table 3
AC Characteristics
at
T
A
= 25
C unless otherwise specified
Parameter
Symbol
Limit Values
Unit
min.
typ.
max.
Total capacitance,
V
R
= 0 V,
f
= 1 MHz
C
T
1.2
1.5
2.0
pF
R
FD
D
V
F
5
10
3
---------------------
W
=
BAS 70
Semiconductor Group
3
Draft A03 1998-04-01
Order Instructions
Full type variant including type variant and quality level must be specified by the orderer.
For
HiRel
Discrete and Microwave Semiconductors the ordering code specifies device
family and quality level only.
Ordering Form:
Ordering Code: Q
BAS70- (x) (ql)
(x): Package Variant
(ql): Quality Level
Ordering Example:
Ordering Code: Q62702A674
BAS70-T1 ES
For BAS70 in T1 Package; ESA Space Quality Level
Further Information
See our WWW-Pages:
Discrete and RF-Semiconductors (Small Signal Semiconductors)
www.siemens.de/semiconductor/products/35/35.htm
HiRel
Discrete and Microwave Semiconductors
www.siemens.de/semiconductor/products/35/353.htm
Please contact also our marketing division:
Tel.: ++89 6362 4480
Fax.: ++89 6362 5568
e-mail: martin.wimmers@hl.siemens.de
PDF 
ZIP