Page 1
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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
T1
ESD: E lectro s tatic d ischarge sensitive device, observe handling precautions!
Type Marking Ordering Code Pin Configuration Package
BAS70-T1 (ql)
see below T1
(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
Chapter Order Instructions for ordering example)
(see
Table 1 Maximum Ratings
Parameter Symbol Limit Values Unit
Reverse voltage
Forward current
Surge forward current
1)
V
I
F
I
FSM
R
70 V
70 mA
85 mA
Power dissipation
Operating temperature range
Storage temperature range
Soldering temperature
Junction temperature
Thermal resistance junction-case
1)
t
10 ms, duty cycle = 10 %
Semiconductor Group 1 Draft A03 1998-04-01
P
T
T
T
T
R
tot
op
stg
sol
j
th(j-c)
250 mW
55 to + 150
65 to + 150
+ 250
150
C
C
C
C
100 K/W
Page 2
Electrical Characteristics
m
m
W
BAS 70
Table 2 DC Characteristics at
T
= 25 ° C unless otherwise specified
A
Parameter Symbol Limit Values Unit
min. typ. max.
Reverse current 1,
Reverse current 2,
Forward voltage 1,
Forward voltage 2,
Forward voltage 3,
Differential forward resistance
I
= 10 mA,
F2
2)
R
FD
I
F3
DV
---------------------
510
´
Table 3 AC Characteristics at
V
= 70 V
R
V
= 56 V
R
I
= 1 mA
F1
I
= 10 mA
F2
I
= 15 mA
F3
= 15 mA
F
W=
3Ð
I
R1
I
R2
V
F1
V
F2
V
F3
2)
R
FD
T
= 25 ° C unless otherwise specified
A
-- 2
-- 0.1
0.30 0.38 0.44 V
0.60 0.70 0.78 V
0.80 0.85 1.00 V
24 30 32
A
A
Parameter Symbol Limit Values Unit
Total capacitance,
V
= 0 V,
R
f
= 1 MHz
C
min. typ. max.
T
1.2 1.5 2.0 pF
Semiconductor Group 2 Draft A03 1998-04-01
Page 3
BAS 70
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: QÉ
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:
Ð Discrete and RF-Semiconductors (Small Signal Semiconductors)
www.siemens.de/semiconductor/products/35/35.htm
Ð
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
Semiconductor Group 3 Draft A03 1998-04-01
Page 4
BAS 70
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Figure 1 T1 Package
Symbol Millimetre
min. max.
A 1.30 1.45
B 1.15 1.35
C
0.40
D 0.10 0.50
E
0.30
F 0.06 0.10
G 5.50 -
H 0.40 0.60
Semiconductor Group 4 Draft A03 1998-04-01
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