BAS40
and
8700 E. Thomas Road
Scottsdale, AZ 85251
Tel: (480) 941-6300
Fax: (480) 947-1503
BAS70
SCHOTTKYarray™ SERIES
DESCRIPTION
Various configurations of Schottky barrier's diodes in SOT-23 packages are
provided for general-purpose use in high-speed switching, mixers and
detector applications. They may also be used for signal terminations at the
board level. This helps maintain signal integrity and counteract the
transmission-line effects with (PC) board traces by clamping over/and
undershoot from signal reflections with the schottky-low-threshold voltages.
This type of termination also does not depend on matching the transmission
line characteristic impedance, making it particularly useful where line
impedance is unknown or a variable. This method of termination can
control distortions of clock, data, address, and control lines as well as
provides a stabilizing effect on signal jitter. It can also significantly reduce
power consumption compared to standard resistor- based termination methods.
FEATURES
PACKAGING
·
·
·
Protects from line to VCC and line to ground
Clamps within one forward diode threshold voltage
Low forward voltage and reverse recovery
characteristics
·
·
·
Tape & Reel EIA Standard 481
7 inch reel 3,000 pieces
13 inch reel 10,000 pieces
·
·
Bidirectional-low-forward available with “-04” suffix (Figure 2)
SOT-23 Surface Mount packaging for small foot print
MECHANICAL
MAXIMUM RATINGS
·
·
·
·
·
Operating Temperatures: -550C to +1250C
·
·
·
Molded SOT-23 Surface Mount
Weight: .008 grams (approximate)
Body Marked with device number
Storage Temperature: -550C to +1500C
Power dissipation at Tamb = 250C is 200 mW
Forward Continuous Current at Tamb = 250C is 200 mA
Surge Forward Current At tp < 1 s, Tamb = 250C is 600 mA
ELECTRICAL CHARACTERISTICS PER DIODE @ 250C Unless otherwise specified
Leakage Current
Pulse test
tp < 300µs @
Reverse
Breakdown
Voltage
Repetitive
Peak Reverse
Voltage
Reverse
Recovery
Time from
IF = 10 mA
through
Thermal
Capacitance
At VR = 0V
F = 1 MHz
Ctot
Forward Voltage Pulse Test
tp < 300µs
Resistance
Junction to
Ambient Air
Tested with
10µA Pulse
at IF = 1 mA
at IF = 40 mA
For BAS40
VR = 30 V
DEVICE
TYPE
DEVICE
MARKING
FIGURE
IR=10mA to
IR=1mA
For BAS70
VRRM
(VOLTS)
V
R = 50 V
V(BR)R
(VOLTS)
VF (mV)
t
rr (ns)
RthJA (K/W)
pF
I
R (nA)
TYP
40
40
40
40
70
70
70
70
MIN
40
40
40
40
70
70
70
70
TYP
20
20
20
20
20
20
20
20
MAX
100
100
100
100
100
100
100
100
IF=1mA IF=15mA IF=40mA
MAX
MAX
430
430
430
430
430
430
430
430
MAX
BAS40
43
44
45
46
73
74
75
76
1
2
3
4
1
2
3
4
380
380
380
380
410
410
410
410
1000
1000
1000
1000
5
5
5
5
5
5
5
5
5
5
5
5
2
2
2
2
BAS40-04
BAS40-05
BAS40-06
BAS70
1000
1000
1000
1000
BAS70-04
BAS70-05
BAS70-06
MSC1380.PDF ISO 9001 CERTIFIED
REV C 2/02/2000
5秒后页面跳转
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