SMP1302 Series

Switch and Attenuator Plastic Packaged PIN Diodes

Please note: this product series is being discontinued and is not recommended for new designs.

The SMP1302 series of plastic packaged, surface mountable, low capacitance (0.3 pF) silicon PIN diodes is designed for highvolume switch and attenuator applications from 10 MHz to beyond 2 GHz.

These diodes are designed for use in low- distortion PI and TEE attenuators with low drive current (maximum resistance at 1 mA is 10 Ω) commonly used in TV distribution and cellular base station applications. The nominal 50 μm I region width, combined with a maximum resistance of 3 Ω at 10 mA, makes these diodes useful in large signal switch applications.

The SMP1302 series provides single and dual diodes in a selection of plastic packages including SOT-23, SOD-323, small footprint SC-79, an ultralow inductance (0.2 nH) SOT-143 (SMP1302-017), and miniature SC-70.

A four-diode array is available in an SOT-5 package (SMP1302- 027) designed for insertion in the commonly used four-diode PI attenuator circuits.

SMP1302 Series includes SMP1302-003LF, SMP1302-011LF, SMP1302-040LF, SMP1302-078LF, and SMP1302-079LF.

Data Sheets

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Specifications

Min. V_B I_R = 10 µA (V)200

C_T V_R = 30 V (pF)0.30 Max.

V_F I_F = 10 mA (V)0.80 Typ.

R_S I_F = 1 mA F = 100 MHz (Ω)20 Max.

R_S I_F = 10 mA F = 100 MHz (Ω)3 Max.

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

Typical Carrier Lifetime I_F = 10 mA (ns)700

Features

Designed for base station and handset applications
Low-distortion design
Available in tape and reel packaging
Packages rated MSL1 @ 260 °C per JEDEC J-STD-020

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