smp1325-085lf Skyworks Solutions, Inc., smp1325-085lf Datasheet

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smp1325-085lf

Manufacturer Part Number
smp1325-085lf
Description
Smp1325-085lf Surface Mount Pin Diode For High Power Switch Applications
Manufacturer
Skyworks Solutions, Inc.
Datasheet
DATA SHEET
SMP1325-085LF: Surface Mount PIN Diode for High Power
Switch Applications
Applications
• Low loss, high power switches
• Low distortion attenuators
Features
• Low-thermal resistance: 40 °C/W
• Suitable for 50 W Continuous Wave T/R switches
• Low capacitance: 0.56 pF typical @ 20 V
• Low distortion performance
• QFN (3-pin, 2 x 2 mm) package (MSL1, 260 °C per JEDEC
J-STD-020)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201648A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 24, 2011
Description
The SMP1325-085LF is a surface mountable, low capacitance
silicon PIN diode designed as a shunt connected PIN diode for high
power, high volume switch and attenuator applications from
10 MHz to beyond 6 GHz.
Maximum resistance at 100 mA is 0.5 Ω and maximum
capacitance at 20 V is 0.65 pF. The combination of low junction
capacitance, low parasitic inductance, low thermal resistance,
and nominal 100 μm I-region width, makes the SMP1325-085LF
useful in large signal switches and attenuator applications.
The device has a 3 W dissipation power rating, making it capable
of handling more than 50 W Continuous Wave (CW) and 500 W
peak (1 μs pulse, 1 percent duty cycle) in a shunt-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).
A block diagram of the SMP1325-085LF is shown in Figure 1.
Figure 1. SMP1325-085LF Block Diagram
1

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smp1325-085lf Summary of contents

Page 1

... W Continuous Wave (CW) and 500 W peak (1 μs pulse, 1 percent duty cycle shunt-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). A block diagram of the SMP1325-085LF is shown in Figure 1. 1 ...

Page 2

... 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. The SMP1325-085LF has been tested as a Class 1C, Human Body Model (HBM) device. Table 2. SMP1325-085LF Electrical Specifications (Note +25 ° ...

Page 3

... QFN package produces lower thermal resistance and also reduces the effects of the parasitic inductance of the anode bond wires. A cross-sectional view of the SMP1325-085LF PIN diode is shown in Figure 4. The cathode of the die is soldered directly to the top of the exposed paddle. This paddle is composed of copper, so its thermal resistance is very low. Skyworks Solutions, Inc. • ...

Page 4

... Package Dimensions The PCB layout footprint for the SMP1325-085LF is shown in Figure 7. Typical case markings are shown in Figure 8. Package dimensions for the 3-pin QFN are provided in Figure 9, and Figure 10 provides the tape and reel dimensions. ...

Page 5

... Figure 6. Cross-Sectional View of Suggested Printed Circuit Board Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 201648A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 24, 2011 Figure 7. SMP1325-085LF PCB Layout Footprint 5 ...

Page 6

... DATA SHEET • SMP1325-085LF SURFACE MOUNT PIN DIODE Figure 9. SMP1325-085LF QFN Package Dimension Drawing Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 6 August 24, 2011 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201648A Figure 8 ...

Page 7

... Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 201648A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 24, 2011 DATA SHEET • SMP1325-085LF SURFACE MOUNT PIN DIODE 7 ...

Page 8

... DATA SHEET • SMP1325-085LF SURFACE MOUNT PIN DIODE Ordering Information Model Name SMP1325-085LF Surface Mount PIN Diode Copyright © 2011 Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. These materials, including the information contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer ...

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