DATA SHEET
SMP1325-087LF: Surface Mount PIN Diode
Applications
•
Switches
•
Attenuators
Features
•
Low-series
resistance: 0.55
Ω
maximum @ 100 mA
•
Low total capacitance: 0.6 pF maximum @
20
V
•
QFN (2 x 2 mm) package (MSL1,
260
°C
per JEDEC J-STD-020)
Description
The SMP1325-087LF is a surface mountable PIN diode suitable
for use in an RF switch or attenuator circuit.
Maximum resistance at 100 mA is 0.55
Ω
and maximum
capacitance at
20
V is 0.6 pF. The combination of low
capacitance, low parasitic inductance, and nominal 100
μm
I-
region width, makes the SMP1325-087LF useful in large signal
switches and attenuator applications.
The device has a 1 W dissipation power rating, which makes
it
capable of handling up to
25
W Continuous Wave (CW) and
250
W
peak (1
μs
pulse, 1 percent duty cycle) in a series-connected
transmit/receive (T/R) switch.
Design information for high power switches may be found in the
Skyworks Application Note,
Design With PIN Diodes
(document
number 200312).
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201607D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • May 31, 2013
1
DATA SHEET • SMP1325-087LF SURFACE MOUNT PIN DIODE
Table 1. SMP1325-087LF Absolute Maximum Ratings
Parameter
Forward current
Reverse voltage
Dissipated power @ 85
°C
Operating temperature
Storage temperature
Junction temperature
Note:
Symbol
I
F
V
R
P
D
T
A
T
STG
T
J
Minimum
Maximum
200
200
1
Units
mA
V
W
°C
°C
°C
–55
–55
–55
+85
+200
+175
Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other
parameters set at or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device.
CAUTION:
Although this device is designed to be as robust as possible, Electrostatic Discharge (ESD) can damage this device. This device
must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the human body
or equipment, which can discharge without detection. Industry-standard ESD precautions should be used at all times.
Table 2. SMP1325-087LF Electrical Specifications (Note 1)
(T
A
= +25
°C,
Unless Otherwise Noted)
Parameter
Forward voltage
Reverse leakage current
Series resistance
V
F
I
R
R
S
1
R
S
10
R
S
100
Total capacitance
Series inductance
Minority carrier
lifetime
I region width
Thermal resistance (Note 2)
C
T
20
L
S
T
L
W
θ
JC
I
F
= 10 mA
Symbol
Test Condition
I
F
=
1 mA
V
R
= 200
V
I
F
= 1 mA, f = 100 MHz
I
F
= 10 mA, f = 100 MHz
I
F
= 100 mA, f = 100 MHz
V
R
= 20 V, f = 1 MHz
0.48
0.65
5
100
108
8.00
1.30
0.55
0.60
Min
Typical
0.65
10
Max
Units
V
μA
Ω
Ω
Ω
pF
nH
μs
μm
°C/W
Note 1:
Performance is guaranteed only under the conditions listed in this Table.
Note 2:
Measurement based on a thermal resistance of 92
°C/W
for the junction-to-bottom of circuit board.
Electrical and Mechanical Specifications
The absolute maximum ratings of the SMP1325-087LF are
provided in Table 1. Electrical specifications are provided in
Table
2.
Typical performance characteristics of the SMP1325-087LF are
illustrated in Figures 1 and
2.
Package and Handling Information
Instructions on the shipping container label regarding exposure
to moisture after the container seal is broken must be followed.
Otherwise, problems related to moisture absorption may occur
when the part is subjected to high temperature during solder
assembly.
The SMP1325-087LF is rated to Moisture Sensitivity Level 1
(MSL1) at 260
°C.
It can be used for lead or lead-free soldering.
For additional information, refer to the Skyworks Application
Note,
Solder Reflow Information,
document number 200164.
Care must be taken when attaching this product, whether it is
done manually or in a production solder reflow environment.
Production quantities of this product are shipped in a standard
tape and reel format.
Package Dimensions
The PCB layout footprint for the SMP1325-087LF is provided in
Figure 3. Typical case markings are shown in Figure 4. Package
dimensions for the SMP1325-087LF are provided in Figure
5,
and tape and reel dimensions are provided in Figure 6.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
2
May 31, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201607D
DATA SHEET • SMP1325-087LF SURFACE MOUNT PIN DIODE
Typical Performance Characteristics
(T
A
= 25
°C,
Unless Otherwise Noted)
Figure 1. Capacitance vs Reverse Voltage @ 1 MHz
Figure 2. Series Resistance vs Forward Current @ 100 MHz
Figure 3. SKY1325-087LF PCB Layout Footprint
(Top View)
Skyworks Solutions,
Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201607D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • May 31, 2013
3
DATA SHEET • SMP1325-087LF SURFACE MOUNT PIN DIODE
Figure 4. Typical Case Markings
(Top View)
Figure 5. SMP1325-087LF Package Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
4
May 31, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201607D
DATA SHEET • SMP1325-087LF SURFACE MOUNT PIN DIODE
Figure 6. SMP1325-087LF Tape and Reel Dimensions
Skyworks Solutions,
Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201607D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • May 31, 2013
5
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