SMP1345-087LF

Surface Mount PIN Diode

The SMP1345-087LF is a surface mountable PIN diode suitable for use in an RF switch or attenuator circuit.

Maximum resistance at 10 mA is 2 Ω and maximum capacitance at 5 V is 0.2 pF. The combination of low capacitance, low parasitic inductance, low thermal resistance, and nominal 10 μm I-region width, makes the SMP1345-087LF useful in large signal switches and attenuator applications.

The device has a 2 W dissipation power rating, which makes it capable of handling up to 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).

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Specifications

Product LifecycleIn Production
Min. VB IR = 10 µA (V)50
CT VR = 30 V (pF)—
CT VR = 5 V (pF)0.2
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 Typ.

Features

  • Low-series resistance: 2 Ω maximum @ 10 mA
  • Low total capacitance: 0.2 pF maximum @ 5 V
  • Excellent thermal resistance: 40 °C/W typical
  • QFN (2 x 2 mm) package (MSL1, 260 °C per JEDEC J-STD-020)

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