HMPP-3862 Datasheet PDF - Hewlett-Packard
| Part Number | HMPP-3862 | |
| Description | (HMPP-386x) MiniPak Surface Mount RF PIN Switch Diodes | |
| Manufacturers | Hewlett-Packard | |
| Logo |  |
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There is a preview and HMPP-3862 download ( pdf file ) link at the bottom of this page. Total 8 Pages | ||
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Agilent HMPP-386x Series
MiniPak Surface Mount
RF PIN Diodes
Data Sheet
Description/Applications
These ultra-miniature products
represent the blending of Agilent
Technologies’ proven semiconduc-
tor and the latest in leadless
packaging technology.
The HMPP-386x series of general
purpose PIN diodes are designed
for two classes of applications.
The first is attenuators where
current consumption is the most
important design consideration.
The second application for this
series of diodes is in switches
where low capacitance with no
reverse bias is the driving issue for
the designer.
Package Lead Code Identification
(Top View)
Single
Anti-parallel
3 43 4
2 12 1
#0 #2
The low dielectric relaxation
frequency of the HMPP-386x
insures that low capacitance can
be reached at zero volts reverse
bias at frequencies above 1 GHz,
making this PIN diode ideal for
hand held applications.
Low junDctaiotanSchaepeatc4itUa.nccoemof the
PIN diode chip, combined with
ultra low package parasitics, mean
that these products may be used
at frequencies which are higher
than the upper limit for conven-
tional PIN diodes.
Note that Agilent’s manufacturing
techniques assure that dice
packaged in pairs are taken from
adjacent sites on the wafer,
assuring the highest degree of
match.
Parallel
34
21
#5
Features
• Surface mount MiniPak package
– low height, 0.7 mm (0.028") max.
– small footprint, 1.75 mm2
(0.0028␣ inch2)
• Better thermal conductivity for
higher power dissipation
• Single and dual versions
• Matched diodes for consistent
performance
• Low capacitance at zero volts
• Low resistance
• Low FIT (Failure in Time) rate*
• Six-sigma quality level
* For more information, see the Surface
Mount Schottky Reliability Data Sheet.
Pin Connections and
Package Marking
34
AA
21
Product code Date code
Notes:
1. Package marking provides orientation and
identification.
2. See “Electrical Specifications” for
appropriate package marking.
DataShee
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Dielectric Relaxation Frequency and
Diode Capacitance
fDR (Dielectric Relaxation Fre-
quency) for a PIN diode is given
by the equation
fDR =
1
2πρε
where…
ρ = bulk resistivity of the I-layer
ε = ε0 εR = 10-12 F/cm
= bulk susceptance of silicon
In the case of an epitaxial diode
with a value for ρ of 10Ω-cm, fDR
will be in Ku-Band. For a bulk
diode fabricated on very pure
material, ρ can be as high as 2000,
resulting in a value of fDR of
80␣ MHz.
The implications of a low fDR are
very important in RF attenuator
and switch circuits. At operating
frequencies below fDR, reverse
bias (as much as 50V) is needed to
minimize junction capacitance. At
operating frequencies well above
fDR, the curve of capacitance vs.
reverse bias is flat.
Linear Equivalent Circuit
In order to predict the perfor-
mance of the HMPP-386x as a
switch or an attenuator, it is
necessary to construct a model
which can then be used in one of
the several linear analysis pro-
grams presently on the market.
Such a model is given in Figure 11,
where RS + Rj is given in Figure 2
and Cj is provided in Figure 1.
Careful examination of Figure 11
will reveal the fact that the
package parasitics (inductance
and capacitance) are much lower
for the MiniPak than they are for
leaded plastic packages such as
the SOT-23, SOT-323 or others.
This will permit the HMPP-386x
family to be used at higher fre-
quencies than its conventional
leaded counterparts.
DataSheet4U.com
20 fF
3
4
30 fF 30 fF
1.1 nH
21
20 fF
Single diode package (HMPP-3860)
20 fF
0.05 nH
3
30 fF
0.05 nH
2
0.5 nH 0.5 nH
0.5 nH
12 fF
0.5 nH
0.05 nH
4
30 fF
0.05 nH
1
20 fF
Anti-parallel diode package (HMPP-3862)
20 fF
0.05 nH
3
30 fF
0.05 nH
2
0.5 nH 0.5 nH
0.5 nH
12 fF
0.5 nH
0.05 nH
4
30 fF
0.05 nH
1
20 fF
Parallel diode package (HMPP-3865)
Figure 11. Linear Equivalent Circuit of the
MiniPak PIN Diode.
For the HMPP-386x family, fDR is
around 500 MHz, resulting in very
low capacitance at zero bias for
frequencies above 1 GHz. See
Figure 1.
DataShee
MiniPak Outline Drawing
1.44 (0.058)
1.40 (0.056)
Top view
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5
Side view
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1.20 (0.048)
1.16 (0.046)
0.70 (0.028)
0.58 (0.023)
43
12
0.00 0.92 (0.037)
0.88 (0.035)
-0.07 (-0.003) 0.42 (0.017)
1.32 (0.053)
-0.03 (-0.001) 0.38 (0.015)
1.28 (0.051)
Bottom view
1.12 (0.045)
1.08 (0.043)
0.82 (0.033)
0.78 (0.031)
0.32 (0.013)
0.28 (0.011)
0.00
-0.07 (-0.003)
-0.03 (-0.001)
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for HMPP-3862 electronic component. |
| Information | Total 8 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ HMPP-3862.PDF Datasheet ] | |
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