Hammond Manufacturing Company Inc. Datasheets for Isolation Transformers

Isolation transformers provide electrical decoupling or isolation to two connected circuits. They have a turn ratio of 1:1.
Isolation Transformers: Learn more

Product Name Notes
Features: Intended for non-patient connected indoor applications where protection of sensitive electronics is required: High end audio / studio use Medical electronics High end test equipment / laboratory cULus Listed...
Features Dual primary 115/230 VAC 50/60 Hz. operation Dual secondaries for series or parallel connections 4,000 V RMS Hipot test Class F insulation (155 degrees, C) Chassis mount (either two...
Features Perfect for audio input, line matching, isolation or output transformer applications. 150 milliwatt (+/- 1.5 db, 300 Hz. - 50 KHz.) Epoxy potted in an attractive black molded case,...
Features Perfect for audio input, line matching, isolation or output transformer applications. 2 watt (+/- 1.5 db, 300Hz. - 50 KHz.). Epoxy potted in an attractive black molded case, Pin...
Features Perfect for audio input, line matching, isolation or output transformer applications. 500 milliwatt (+/- 1.5 db, 300 Hz. - 50 KHz.). Epoxy potted in an attractive black molded case,...
Features Primary 115VAC, 50/60 Hz., Secondary 115VAC Provides complete circuit isolation. Electrostatic shield between primary & secondary to greatly attenuate surges and noise. Hi-pot tested to 2 KV RMS. Circuit...
Features Applications: Driver, Input, Interstage, Isolation 100mW power level at 200Hz. - 15kHz Pin type (0.0375" x .02"), P.C. board mount. Economical, open type construction. Frequency response 200 Hz. -...
Features Deep-drawn steel case with tin plated finish, with two convenient 6-32 mounting studs with hardware. Includes wire leads (minimum length of 4"). Frequency response +/- 0.5 db max. from...
Features Deep-drawn steel case with tin plated finish, with two convenient 6-32 mounting studs with mounting hardware. Sealed case and wax potted core internally for stable characteristics and long life.
Features For use with our 171, 172, 175, 176, 179, 289 & 298 transformers. Heavy duty design with plastic shell & double wipe contacts. Indoor use only. Allows for ground...
Features Primary 115VAC, 50/60 Hz., Secondary 95VAC. Provides circuit isolation. Electrostatic shield between primary & secondary. World wide applications, 50 or 60 Hz. operation, step down (115VAC to 95 VAC).
Features Primary 115VAC, 60 Hz., Secondary 115VAC Electrostatic shield between primary & secondary Connection by flexible leads, 8" minimum length Perfect for circuit isolation or "Classic" bias power supply CSA...
Features Primary 115VAC, 60 Hz. Secondary taps @ 90, 100, 110, 115, 120 & 130VAC Electrostatic shield between primary & secondary Connection by flexible leads, 8" minimum length Perfect for...
Features Primary 120VAC, 50/60 Hz., Secondary 120VAC. Provides circuit isolation. Toroidal transformer for high isolation, low noise, light weight, cool operation and low profile. World wide applications, 50 or 60...
Features Primary 120VAC, 50/60 Hz., Secondary 240VAC. Provides circuit isolation. Toroidal transformer for high isolation, low noise, light weight cool operation and low profile. 50 or 60 Hz. operation, step...
Features Primary 230VAC, 50/60 Hz. Secondary 115VAC Circuit breaker in primary. Provides circuit isolation & steps down primary voltage. Hi-pot tested to 2 KV RMS. Electrostatic shield between primary &
Features Primary 240VAC, 50/60 Hz., Secondary 120VAC. Provides circuit isolation. Toroidal transformer for high isolation, low noise, light weight, cool operation and low profile. World wide applications, 50 or 60...
Features Primary 240VAC, 50/60 Hz., Secondary 240VAC. Provides circuit isolation. Toroidal transformer for high isolation, low noise, light weight, cool operation and low profile. World wide applications, 50 or 60...
Features Rugged black epoxy potted case with 9 pin connections (.025" square by 0.5" long). Frequency response minimum @ 0 dbm +/- 1 db max. (+/- 0.5 db is typical)...
Features Single winding, does not provide isolation, for use where equipment is already isolated and only voltage change is required. Flexible world wide applications, 50 or 60 Hz. operation, 115VAC...
Features Single winding, does not provide isolation, for use where equipment is already isolated and only voltage change is required. Flexible world wide applications, 50 or 60 Hz. operation, step...
Features Single winding, does not provide isolation, for use where equipment is already isolated and only voltage change is required. World wide applications, 50 or 60 Hz. operation, step down...
Features Single winding, does not provide isolation, for use where equipment is already isolated and only voltage change is required. World wide applications, 50 or 60 Hz. operation, step up...
Features Suitable for driving from solid state amplifiers where isolated windings are not required or can be used with our "Classic" 1600 tube output transformers to provide a 25V or...
In response to requests from the "Collins Collectors Association" we developed a high quality, matching audio transformer for older equipment with 600 ohm audio output, driving modern low impedance speakers.