Transformers & Chokes
Hammond
Hammond Manufacturing offers a full range of transformers, chokes and enclosures.
Transformer - Hammond, Plate & Filament
- Universal primary with taps for 100, 120, 220 or 240 VAC, 50 / 60 Hz. (Except the 260A6 which is 117V, 50/60 Hz only)
- Designed for preamps, low power amps, general replacement, test equipment, etc.
- Economical, open frame, chassis mount - two hole (.187 dia. = G) channel bracket (figure #1) or four hole mounting (figure #2).
- Units include a Faraday shield between the primary and secondary windings. Our electrostatic shield reduces the capacitive coupling from the primary - greatly attenuating higher frequency current coupling to the secondaries.
- Minimum 5" long leads.
- For more selection check out our P-T300-X series of universal plate & filament transformers.
Starting at $81.68
- Primary 115 VAC, 60 Hz.
- Designed for small power or bias supplies, test equipment, preamps etc.
- Economical , two hole, channel bracket, chassis mount.
- Minimum 5" long leads.
- Convenient 12.6 filament/auxiliary winding.
$46.08
Transformer - Hammond, Plate & Filament or Bias, 6.3 V auxiliary
- Primary 115 VAC, 60 Hz.
- Designed for small power or bias supplies, test equipment, preamps etc.
- Models P-T261C6, P-T261E6, and P-T261G6 can also be used with full wave C.T. rectifiers.
- Economical , two hole, channel bracket, chassis mount.
- Minimum 5" long leads.
- Convenient 6.3 filament/auxiliary winding.
Starting at $40.25
Transformer - Hammond, Power, 115V, 34V/50mA, 1.2VA, 161E24
Special Order Item
- Vertical mount, split bobbin design.
- Non-concentric wound.
- Low primary to secondary coupling - no electrostatic shield required.
- High insulation - Hipot of 2,000V RMS.
- Class B insulation - 130 degrees C.
- CSA certified (File # LR3902) and UL recognized (File #E207860).
$9.43
Transformer - Hammond, Power, 115V/230V, 230V/50mA, 12VA
Special Order Item
Low profile mounting, dual - split bobbin design. 12VA.
$18.60
Transformer - Hammond, Power, 250-0-250 V, 100 mA
Primary 115 VAC 60 Hz.
Secondary DC current measured with cap. input filter, full wave (two diode) C.T., rectifier circuit.
Enclosed, 4 hole chassis mount.
Minimum 6 long leads.
2" X 2" vertical mounting centers.
Class A insulation (105 degrees C).
Hi-Pot test of 2000 V RMS.
Conservative designs - CSA certified (# LR3902).
3.2lbs
Secondary: 250-0-250 V100 mA
Filament winding 1: 5 V2 A
Filament winding 2: 6.3 V3 A
Secondary DC current measured with cap. input filter, full wave (two diode) C.T., rectifier circuit.
Enclosed, 4 hole chassis mount.
Minimum 6 long leads.
2" X 2" vertical mounting centers.
Class A insulation (105 degrees C).
Hi-Pot test of 2000 V RMS.
Conservative designs - CSA certified (# LR3902).
3.2lbs
Secondary: 250-0-250 V100 mA
Filament winding 1: 5 V2 A
Filament winding 2: 6.3 V3 A
$92.63
Transformer - Hammond, Power, Low V Primary / Secondary, 5V/3A
Specifications:
Features:
- Size: 15 VA
- Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
- Secondary VAC RMS Series: 5V @ 3 A
- Secondary VAC RMS Parallel: 2.5V @ 6 A
Features:
- Primary 117/234 VAC, 50/60 Hz.
- Dual secondaries
- Secondaries can be used as; a center tapped secondary, parallel connected or used individually
- Units are designed for use with all windings engaged.
- Open style.
- Minimum 6" long leads.
- Dual bobbin design - no electrostatic shield required.
- Class B insulation (130 degrees, C) for extra p
$41.52
Size: 48 VA
Secondary Series: 40V C.T. @ 1.2A
Secondary Parallel: 20V @ 2.4 A
Features:
Secondary Series: 40V C.T. @ 1.2A
Secondary Parallel: 20V @ 2.4 A
Features:
- Low profile mounting, dual - split bobbin design.
- Low primary to secondary coupling, balanced windings, no electrostatic shield required and low EMF radiation due to semi-toroidal design.
- Universal dual primary 115/230V - 50/60 Hz.
- High insulation - Hipot of 1,750V RMS.
- Class B insulation - 130 degrees C.
- C UL US recognized.
$37.18
Transformer - Hammond, Power, Low Voltage PC Mount Dual Primary
Special Order Item
- Operate on 50/60 Hz current
- Low profile, split bobbin design.
- Dual winding secondaries, non-concentrically wound
- Units are designed so that all windings must be used
- Low primary to secondary coupling - no electrostatic shield required.
- Universal dual primary 115/230V
- High insulation - Hipot of 2,500V RMS.
- Class B insulation - 130 degrees C.
$13.07
Specifications:
Features:
- Size: 50.4 VA
- Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
- Secondary VAC RMS Series: 12.6V @ 4 A
- Secondary VAC RMS Parallel: 6.3V @ 8 A
Features:
- Primary 117/234 VAC, 50/60 Hz.
- Dual secondaries
- Secondaries can be used as; a center tapped secondary, parallel connected or used individually
- Units are designed for use with all windings engaged.
- Open style.
- Minimum 6" long leads.
- Dual bobbin design - no electrostatic shield required.
- Class B insulation (130 degrees, C) for ex
$47.02
Specifications:
Features:
- Size: 7 VA
- Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
- Secondary VAC RMS Series: 14V @ 0.5 A
- Secondary VAC RMS Parallel: 7V @ 1 A
Features:
- Primary 117/234 VAC, 50/60 Hz.
- Dual secondaries
- Secondaries can be used as; a center tapped secondary, parallel connected or used individually
- Units are designed for use with all windings engaged.
- Open style.
- Minimum 6" long leads.
- Dual bobbin design - no electrostatic shield required.
- Class B insulation (130 degrees, C) for extra p
$33.22
Specifications:
Features:
- Size: 14 VA
- Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
- Secondary VAC RMS Series: 14V @ 1 A
- Secondary VAC RMS Parallel: 7V @ 2 A
Features:
- Primary 117/234 VAC, 50/60 Hz.
- Dual secondaries
- Secondaries can be used as; a center tapped secondary, parallel connected or used individually
- Units are designed for use with all windings engaged.
- Open style.
- Minimum 6" long leads.
- Dual bobbin design - no electrostatic shield required.
- Class B insulation (130 degrees, C) for extra pr
$41.52
Specifications:
Features:
- Size: 48 VA
- Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
- Secondary VAC RMS Series: 16V @ 3 A
- Secondary VAC RMS Parallel: 8V @ 6 A
Features:
- Primary 117/234 VAC, 50/60 Hz.
- Dual secondaries
- Secondaries can be used as; a center tapped secondary, parallel connected or used individually
- Units are designed for use with all windings engaged.
- Open style.
- Minimum 6" long leads.
- Dual bobbin design - no electrostatic shield required.
- Class B insulation (130 degrees, C) for extra pr
$44.30
Specifications:
Features:
- Size: 18 VA
- Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
- Secondary VAC RMS Series: 36V @ 0.5 A
- Secondary VAC RMS Parallel: 18V @ 1 A
Features:
- Primary 117/234 VAC, 50/60 Hz.
- Dual secondaries
- Secondaries can be used as; a center tapped secondary, parallel connected or used individually
- Units are designed for use with all windings engaged.
- Open style.
- Minimum 6" long leads.
- Dual bobbin design - no electrostatic shield required.
- Class B insulation (130 degrees, C) for extra
$44.30
Specifications:
Features:
- Size: 48 VA
- Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
- Secondary VAC RMS Series: 48V @ 1 A
- Secondary VAC RMS Parallel: 24V @ 2 A
Features:
- Primary 117/234 VAC, 50/60 Hz.
- Dual secondaries
- Secondaries can be used as; a center tapped secondary, parallel connected or used individually
- Units are designed for use with all windings engaged.
- Open style.
- Minimum 6" long leads.
- Dual bobbin design - no electrostatic shield required.
- Class B insulation (130 degrees, C) for extra p
$41.52
Specifications:
Features:
- Size: 37.8 VA
- Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
- Secondary VAC RMS Series: 6.3V @ 6 A
- Secondary VAC RMS Parallel: 3.15V @ 12 A
Features:
- Primary 117/234 VAC, 50/60 Hz.
- Dual secondaries
- Secondaries can be used as; a center tapped secondary, parallel connected or used individually
- Units are designed for use with all windings engaged.
- Open style.
- Minimum 6" long leads.
- Dual bobbin design - no electrostatic shield required.
- Class B insulation (130 degrees, C) for e
$55.32
Transformer - Hammond, Radiola III-A Replacement Audio
Developed in response to requests from RCA Radiola III-A collectors. The original transformers are usually found with open" windings due to the fine wire and high turns usedcoupled with age. This is a universal replacement type - it will replace any of the three audio transformers used (1st audio driver2nd audio-phase splitter stage or output transformer)by correctly connectiong the 5 lugs. A pin out and connection diagram is included. The cases from the old transformer will fit this new unit. The terminal board is a duplicate of the original.
Key Features
Key Features
- Primary: 4000 turns, #41 wire (lugs 4 & 2)
- Secondary: 12000 turns C.T., #41 wire (lugs 5 & 1lug 3 is C.T. connection)
- Termination: Solder lugs on a 1 3/4" x 1" terminal board with 4-5" connecting leads
- Size: 1-7/8" long x 1-11/16" wide x 1-3/8" deep
- Lamination Core Size: 5/8" x 1/2"
- Weight: 7 oz.
$67.70
Capacity: 500VA 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.
$186.40
Transformer - Hammond, Studio Grade Impedance Matching, 140 Series
Studio grade frequency response: 20 Hz. - 20 Khz. (+/- 1 db, ref. @ 1 Khz.) minimum. Excellent frequency response utilizing a 80% nickel core providing high permeability combined with low losses. Designed for maximum bandwidth, lowest distortion at +10 dbm power level or less. Plated steel cans, adjustable height case bracket.
Starting at $82.70
Transformer - Hammond, Toroidal Power, 110V / 220V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 220 V series, 110 V parallel secondary.
Starting at $57.68
Transformer - Hammond, Toroidal Power, 117V / 234V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 234 V series, 117 V parallel secondary.
Starting at $61.85
Transformer - Hammond, Toroidal Power, 12V / 24V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 24 V series, 12 V parallel secondary.
Starting at $63.65
Transformer - Hammond, Toroidal Power, 15V / 30V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 30 V series, 15 V parallel secondary.
Starting at $61.85
Transformer - Hammond, Toroidal Power, 18V / 36V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 36 V series, 18 V parallel secondary.
Starting at $57.68