Sowter Type 3257

150+150 / 600 ohms High Level
Isolating Transformer
Replacement for Gardners MU7524 or MU7564

PACKAGE OPTIONS Part Number
Coloured Leads 3257-F
Octal base 3257-G
APPLICATION Electrical isolation where source or load are low impedance. For reduction of most kinds of noise caused when equipments are connected. For helping to ensure Electromagnetic Compatibility (EMC) standards compliance. May be used for balanced to unbalanced conversion and vice versa.
FEATURES Split primary allows for 150 or 600 ohm input configuration. Mumetal core for minimal harmonic distortion. Internal electrostatic shield for high common mode noise rejection. Mumetal can for magnetic shielding. High signal level capability.
RATIO 1+1:2
MAXIMUM LEVEL 0.5 % THD at 50 Hz (40 ohm source) +18.5 dBu
DISTORTION at 50 Hz (40 ohm source) 0.05% at +14 dBu
INSERTION LOSS 600 ohm source 600 ohm load 2.2 dBu
INPUT/OUTPUT BALANCE >60 dB
FREQUENCY RESPONSE 600 ohm source 600 ohm load +/- 0.25 dB 15 Hz to 25 kHz
CAN DIMENSIONS (lead type) 34 mm dia x 37.5 mm high
E A Sowter Ltd
The Boatyard Cullingham Road
IPSWICH IP1 2EG England
Tel: +44(0)1473 252794
Fax: +44(0)1473 236188