HSMS-2812-TR1 Avago Technologies US Inc., HSMS-2812-TR1 Datasheet - Page 5

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HSMS-2812-TR1

Manufacturer Part Number
HSMS-2812-TR1
Description
Zener Diode
Manufacturer
Avago Technologies US Inc.
Datasheet

Specifications of HSMS-2812-TR1

Diode Type
Schottky - 1 Pair Series Connection
Voltage - Peak Reverse (max)
20V
Current - Max
1A
Capacitance @ Vr, F
1.2pF @ 0V, 1MHz
Resistance @ If, F
15 Ohm @ 5mA, 1MHz
Package / Case
SOT-23-3, TO-236-3, Micro3™, SSD3, SST3
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power Dissipation (max)
-
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant, Contains lead / RoHS non-compliant

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Company
Part Number
Manufacturer
Quantity
Price
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Manufacturer:
TI
Quantity:
14 500
Part Number:
HSMS-2812-TR1G
Manufacturer:
AVAGO
Quantity:
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Part Number:
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Manufacturer:
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Applications Information
Introduction —
Product Selection
Agilent’s family of Schottky
products provides unique solu-
tions to many design problems.
The first step in choosing the right
product is to select the diode type.
All of the products in the
HSMS-282x family use the same
diode chip, and the same is true of
the HSMS-281x and HSMS-280x
families. Each family has a
different set of characteristics
which can be compared most
easily by consulting the SPICE
parameters in Table 1.
A review of these data shows that
the HSMS-280x family has the
highest breakdown voltage, but at
the expense of a high value of
series resistance (R
tions which do not require high
voltage the HSMS-282x family,
with a lower value of series
Table 1. Typical SPICE Parameters.
Parameter
P
P
T
B
C
I
B
E
(XTI)
R
M
I
N
BV
(V
J0
S
G
V
S
J
)
Units
pF
eV
A
A
V
V
s
). In applica-
HSMS-280x
1 E-5
3 E-8
0.69
1.08
0.65
1.6
0.5
75
30
2
resistance, will offer higher
current carrying capacity and
better performance. The HSMS-
281x family is a hybrid Schottky
(as is the HSMS-280x), offering
lower 1/f or flicker noise than the
HSMS-282x family.
In general, the HSMS-282x family
should be the designer’s first
choice, with the -280x family
reserved for high voltage applica-
tions and the HSMS-281x family
for low flicker noise applications.
Assembly Instructions
SOT-323 PCB Footprint
A recommended PCB pad layout
for the miniature SOT-323 (SC-70)
package is shown in Figure 6
(dimensions are in inches). This
layout provides ample allowance
for package placement by auto-
mated assembly equipment
without adding parasitics that
could impair the performance.
HSMS-281x
4.8 E-9
1 E-5
0.69
1.08
0.65
1.1
0.5
25
10
2
HSMS-282x
2.2 E-8
1 E-4
0.69
1.08
0.65
0.7
6.0
0.5
15
2
Figure 6. PCB Pad Layout
(dimensions in inches).
Assembly Instructions
SOT-363 PCB Footprint
A recommended PCB pad layout
for the miniature SOT-363 (SC-70,
6 lead) package is shown in
Figure 7 (dimensions are in
inches). This layout provides
ample allowance for package
placement by automated assembly
equipment without adding
parasitics that could impair the
performance.
Figure 7. PCB Pad Layout
(dimensions in inches).
0.035
5
0.035
0.026
0.026
0.016
0.016
0.07
0.075

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