Frequency Range from 100 Hz to 2 GHz

Butterworth Lowpass Filters offer a monotonic passband and stopband response. They are sometimes used in low THD applications. Specify any -3dB frequency from 100 Hz to 2 GHz. Packages include PCB radial pins, SMT, SMA and BNC connectorized configurations.

Series No. No. of Poles
LB3 3
LB4 4
LB5 5
LB6 6
LB7 7
LB8 8
LB9 9
LB10 10
LB11 11

Part Number Derivation:

LB 7 *(R) -125M -50 -3A
1 2 3 4 5 6

1) Series, LB

2) Number of poles, 7

*3) “R” RoHS compliant. Allow for longer lead time.

4) f-3dBc

5) Terminations

6) Case selection from the case selection guide.


Operating Temperature Range:
0°C to +70°C

VSWR: 1.5:1 Typical

Input Power: 20 mW

All of TTE’s products are “made in the USA”.  All products are custom-built and made to order.  Most are delivered within 2 weeks.  Expedited lead times of 3-5 days are available on many products.  Please call 1-716-532-2234 (or 1-310-478-8224) or email tte@tte.com for assistance.  More information about TTE’s custom design expertise is provided in Capabilities.