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M/A-COM's MA4SPS302 is a silicon-glass PIN diode fabricated with M/A-COM's patented HMIC™ 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 side walls 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.
MA4SPS302 Maximum Ratings
Parameter
Absolute Maximum
Reverse Voltage Forward Current Operating Temperature Storage Temperature Mounting Temperature
-70 V 100 mA -65°C to +150°C -65°C to +150°C +235°C for 10 seconds
1. Exceeding these limits may cause permanent damage.
MA4SPS302 Features
· Surface Mount Diode · No Wirebonds Required · Rugged Silicon-Glass Construction · Silicon Nitride Passivation · Polymer Scratch Protection · Low Parasitic Capacitance and Inductance · High Power Handling (Efficient Heatsinking)
MA4SPS302 Typical Application
These devices can be used in series and shunt switches for wireless circuits where smaller area and profile are required. Low parasitic values of L and C make additional circuit tuning unnecessary. 2 RS value @ 1 mA makes the devices suitable for smaller current consumption applications. W
MA4SPS402 General Description
M/A-COM's MA4SPS402 is a silicon-glass PIN diode fabricated with M/A-COM's patented HMIC™ 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 side walls 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.
MA4SPS402 Maximum Ratings
Parameter
Absolute Maximum
Reverse Voltage Forward Current Operating Temperature Storage Temperature Mounting Temperature
-70 V 100 mA -65°C to +150°C -65°C to +150°C +235°C for 10 seconds
1. Exceeding these limits may cause permanent damage.
MA4SPS402 Features
· Surface Mount Diode · No Wirebonds Required · Rugged Silicon-Glass Construction · Silicon Nitride Passivation · Polymer Scratch Protection · Low Parasitic Capacitance and Inductance · High Power Handling (Efficient Heatsinking)
MA4SPS402 Typical Application
These devices can be used in series and shunt switches up to 20 GHz where smaller area and profile are required. Low parasitic values of L and C make additional circuit tuning unnecessary. These diodes can also be used for switched pad attenuator circuits.