SMP1345 Series Buy Now
Very Low Capacitance Plastic Packaged Silicon PIN Diodes

The SMP1345 series of plastic packaged, surface mountable PIN diodes is designed for high volume Low-Noise Block (LNB), Wireless Local Area Network (WLAN), and switch applications from 10 MHz to 6 GHz. The short carrier lifetime of 100 ns (typical), combined with their thin I-region width of 10 μm (nominal) results in a group of fast speed RF switching PIN diodes.

The RF performance of the SMP1345 series is assured by virtue of their very low capacitance (0.15 pF) and low resistance (1.5 Ω at 10 mA). The SMP1345-518 has been specifically designed for WLAN 802.11 a/b/g applications. It is ideally suited for diversity switch applications.


  • Very low insertion loss: 0.4 dB
  • Capacitance: 0.15 pF
  • Packages rated MSL1, 260 °C per JEDEC J-STD-020
Data Sheets SMP1345 Series: Very Low Capacitance, Plastic Packaged Silicon PIN Diodes SMP1345_Series_200046U.pdf (836 KB)
Application Notes Circuit Models for Plastic Packaged Microwave Diodes 200311A.pdf (190 KB)
Application Notes Design With PIN Diodes Design_With_PIN_Diodes_200312D.pdf (683 KB)
Application Notes Suggested PCB Land Pattern Designs for Leaded and Leadless Packages and Detailed Surface Mount Guidelines for Leadless Packages PCB_Layout_Patterns_Guidelines_200123M.pdf (1429 KB)
Application Notes Solder Reflow Information Solder_Reflow_Info_200164C.pdf (109 KB)
Designer Info SMP1345 Series: ADS 2002C Models (WinZip File) (184 KB)
Designer Info SMP1345-040LF: S Parameters (360 KB)
Designer Info SMP1345-079LF: S Parameters (651 KB)
ProductName : SMP1345 Series
Min. VB IR = 10 µA (V) : 50
CT VR = 5 V (pF) : 0.2 Max.
CT VR = 30 V (pF) :
CT VR = 20 V (pF) :
VF IF = 10 mA (V) : 0.89 Typ.
RS IF = 1 mA F = 100 MHz (Ω) : 3.5 Typ.
RS IF = 10 mA F = 100 MHz (Ω) : 2.0 Max.
RS IF = 100 mA F = 100 MHz (Ω) :
Typical Carrier Lifetime IF = 10 mA (ns) : 100
Product Information:
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