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MA4SPS421, MA4SPS422, MA4SPS502

Table of contents:
Info of MA4SPS421
Info of MA4SPS422
Info of MA4SPS502

MA4SPS421, MA4SPS422, MA4SPS502 Selling Leads, Datasheet

MFG:M/A-COM Package Cooled:N/A D/C:N/A

MA4SPS421, MA4SPS422, MA4SPS502 Datasheet download

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Part Number: MA4SPS421

MFG: M/A-COM

Package Cooled: N/A

D/C: N/A

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MA4SPS502 General Description

This device is a silicon-glass PIN diode chip fabricated with M/A-COM's patented HMICÔ process. This device features two silicon pedestals embedded in a low loss glass. The diode is formed on the top of one pedestal and connections to the backside of the device are facilitated by making the pedestal sidewalls conductive. Selective backside metalization is applied producing a surface mount device. The topside is fully encapsulated with silicon nitride and has an additional polymer layer for scratch protection. These protective coatings prevent damage to the junction and the anode air-bridge during handling and assembly.

MA4SPS502 Maximum Ratings

Parameter	Absolute Maximum
Reverse Voltage Forward Current Operating Temperature Storage Temperature Dissipated Power (RF & DC) Mounting Temperature	-300 V 600 mA -65 °C to +150 °C -65 °C to +150 °C 2 W +235 °C for 10 seconds

1. Exceeding these limits may cause permanent damage.

MA4SPS502 Features

·Surface Mount Device
· No Wirebonds Required
· Rugged Silicon-Glass Construction
· Silicon Nitride Passivation
·Polymer Scratch Protection
·Low Parasitic Capacitance and Inductance
· High Power Handling (Efficient Heatsinking)

MA4SPS502 Typical Application

These packageless devices are suitable for usage in moderate incident power (10 W C.W.) or higher incident peak power (500 W) series, shunt, or series-shunt switches. Small parasitic inductance, 0.35 nH, and excellent RC time constant, 0.22 pS, make the devices ideal for wireless TR switch and accessory switch circuits, where higher P_1dB and I_P3values are required.

These diodes can also be used in p, T, tapered resistance, and switched-pad attenuator control circuits for 50 or 75 systems.

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