www.macom.com

AMP and Connecting at a Higher Level are trademarks.

Specifications subject to change without notice.

MNS Microwave Chip Capacitors

MA4M Series

V3.00

Features

• Excellent Repeatability

(Wafer-to-Wafer and Lot-to-Lot)

• Small Size

• Low Loss, High Q

• Available with Round or Square Bonding Pads

Description

M/A-COM’s MA4M series of MNS (metal-nitride-silicon) sili-

con chip capacitors is designed specifically for high reliability and

repeatable performance in microwave circuit applications. These

capacitors are made using a low pressure chemical vapor deposi-

tion (LPCVD) that results in dense, uniform nitride layers. These

capacitors exhibit higher capacitance per unit area (resulting in

smaller chip size) than similar MOS, MIS and ceramic capacitors.

Evaporated gold contacts are used to provide an easily bondable

metal pad on the capacitor chip. M/A-COM MNS capacitors have

shown no measurable capacitance change when subjected to the

rated standoff voltage of 150ºC.

The MA4M series of chip capacitors is an excellent choice for use

in hybrid microwave circuits up through Ku-band, where low

loss, high reliability, small size and temperature stability are

prime concerns.

These chip capacitors are suited for applications requiring DC

blocks, coupling capacitors, bypass capacitors, capacitive loads

and tuning elements in oscillators, multipliers and filters.

Case Style

350

Characteristics Compared

MNS

Ceramic

Operating Temperature Range

-55 to +200°C

-55 to +125°C

Temperature Coefficient

180 PPM

1000 PPM

Insertion Loss of a 20 pF Capacitor in a 50

Ω line at 15 GHz

0.1 dB

0.2 dB

Chip Size

200 pF, 100V

40 x 40 mils

70 x 70 mils

20 pF, 100V

22 x 22 mils

50 x 50 mils

Comparison of M/A-COM MNS Capacitors to Ceramic Chip Capacitors

MNS Microwave

Chip Capacitors

MA4M Series