SMP1302-087LF

Surface-Mount PIN Diode

The SMP1302-087LF is a surface-mountable, low-capacitance silicon PIN diode designed as a series-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 1.5 Ω and maximum capacitance at 30 V is 0.35 pF. The combination of low capacitance, low parasitic inductance, and nominal 50 μm I-region width, makes the SMP1302-087LF 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 125 W @ 25 °C Continuous Wave (CW) 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).

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Specifications

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Min. V_B I_R = 10 µA (V)200

C_T V_R = 30 V (pF)0.35 Max.

V_F I_F = 10 mA (V)0.80 Typ.

R_S I_F = 1 mA F = 100 MHz (Ω)18 Typ.

R_S I_F = 10 mA F = 100 MHz (Ω)3.0 Max.

R_S I_F = 100 mA F = 100 MHz (Ω)1.5 Max.

Typical Carrier Lifetime I_F = 10 mA (ns)700

Features

High RF power handling: 125 W
Low thermal resistance: 22 °C/W
Low series resistance: 1.5 Ω maximum @ 100 mA
Low total capacitance: 0.35 pF maximum @ 30 V
Small QFN (2 x 2 mm) package (MSL1, 250 °C per JEDEC J-STD-020)

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