# SAW Components B3781: 315.00 MHz Low-loss Filter

## Features

· RF low-loss filter for remote control receivers
· SMT package (Surface Mount Technology)
· Supports balanced and unbalanced operation
· Elpas passivation layer
· AEC-Q200 qualified component family
· Ni, gold-plated terminals
· Operates within a temperature range of -45°C to +120°C

## Pin Configuration

· Input/Ground can be used on pin 1
· Input can be used on pin 2
· Output/Ground can be used on pin 5
· Output/Ground can be used on pin 6
· Pins 4 & 8 are for case ground
· Pin 3 & 7 are for ground

## Electrical Characteristics

· Center Frequency: 315.00 MHz
· Insertion Loss: 1.8 – 2.5 dB
· Passband: 314.725 - 315.275 MHz
· Bandwidth: 0.69 MHz
· Attenuation: Up to 51 dB
· Input Impedance: 410 || 2.6 pF
· Output Impedance: 410 || 2.6 pF

## Matching Network

· C p1 = 1.5 pF
· L s2 = 68 nH
· L s3 = 68 nH
· C p4 = 1.5 pF

## Crosstalk Mitigation

· Ground loops minimized by routing ground pins to separate vias
· Common GND inductance should be less than 0.5 nH

## Package Information

· Package Type: QCC8B
· Weight: 0.07 g