Filament Power Transformers with Low Voltage

Hammond Manufacturing Filament Power Transformers with Low Voltage include a variety of chassis-mount modules with an open or enclosed style. These transformers feature a dual bobbin design with no electrostatic shield required and 6" (minimum) long leads. The 165 Series and 265 Series also are available with copper tabs with holes. Hammond Manufacturing Filament Power Transformers with Low Voltage feature an overall volt-amps (VA) power rating ranging from 0.63VA to 640VA. The 165 Series, 166 Series, and 167 Series offer a 115V primary voltage rating, while the 265 Series and 266 Series have a 117V/234V primary voltage rating. All of these transformers are UL listed and CSA certified.

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Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Primary Voltage Rating
Secondary Voltage Rating
Power Rating
Secondary Current Rating
Mounting Style
Primary Winding
Secondary Winding
Length
Width
Height
Series
Hammond Manufacturing Power Transformers Power transformer, low voltage, enclosed chassis mount, 38VA 115 6.3VCT
Datasheet
2Expected 19/02/2026
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Transformers 115 VAC 6.3 VAC CT 37.8 VA 6 A Chassis Single Primary Winding Single Secondary Winding 55.6 mm 60.5 mm 66.8 mm 167
Hammond Manufacturing Power Transformers Power transformer, chassis mount, 27VA, 18V @ 1.5A or 9V @ 3A
Datasheet
19Expected 16/02/2026
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Transformers 115 VAC, 230 VAC 18 VAC CT 27 VA 1.5 A Chassis Dual Primary Winding Dual Secondary Winding 93.72 mm 50.03 mm 58.67 mm 266
Hammond Manufacturing Power Transformers Power transformer, chassis mount, 75VA, 25V @ 3A or 12.5V @ 6A
Datasheet
5Expected 05/03/2026
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Transformers 115 VAC, 230 VAC 25 VAC CT 75 VA 3 A Chassis Dual Primary Winding Dual Secondary Winding 114.3 mm 63.5 mm 73.66 mm 266
Hammond Manufacturing Power Transformers Transformer, low voltage, high current, chassis mount, 270VA, 18.0VCT, 15A
Datasheet
5Factory Stock Available
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Transformers 115 VAC 18 VAC CT 270 VA 15 A Chassis Single Primary Winding Single Secondary Winding 4.5 in 3.75 in 3.88 in 165
Hammond Manufacturing Power Transformers Transformer, low voltage, high current, chassis mount, 440VA, 22.0VCT, 20A
Datasheet
36Factory Stock Available
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Transformers 115 VAC 22 VAC CT 440 VA 20 A Chassis Single Primary Winding Single Secondary Winding 4.5 in 3.75 in 4.38 in 165
Hammond Manufacturing Power Transformers Power transformer, low voltage, 117V 50/60 Hz., 9.6VA, 24 C.T., 0.4A
Datasheet
29Factory Stock Available
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Transformers 115 VAC 24 VAC CT 9.6 VA 400 mA Chassis Single Primary Winding Single Secondary Winding 2.81 in 1.63 in 1.69 in 166
Hammond Manufacturing Power Transformers Power transformer, low voltage, 115V 60 Hz., 10VA, 20 C.T., 0.5A
Datasheet
122Factory Stock Available
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Transformers 115 VAC 20 VAC CT 10 VA 500 mA Chassis Single Primary Winding Single Secondary Winding 71.37 mm 41.4 mm 42.93 mm 166
Hammond Manufacturing Power Transformers Power transformer, low voltage, 115V 60 Hz., 18VA, 36 C.T., 0.5A
Datasheet
136Factory Stock Available
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Transformers 115 VAC 36 VAC CT 18 VA 500 mA Chassis Single Primary Winding Single Secondary Winding 82.55 mm 41.4 mm 50.8 mm 166
Hammond Manufacturing Power Transformers Power transformer, low voltage, 115V 60 Hz., 4VA, 8 C.T., 0.5A
Datasheet
25Factory Stock Available
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Transformers 115 VAC 8 VAC CT 4 VA 500 mA Chassis Single Primary Winding Single Secondary Winding 60.45 mm 35.05 mm 35.05 mm 166
Hammond Manufacturing Power Transformers Power transformer, low voltage, 115V 60 Hz., 50VA, 50 C.T., 1A
Datasheet
11Factory Stock Available
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Transformers 115 VAC 50 VAC CT 50 VA 1 A Chassis Single Primary Winding Single Secondary Winding 93.7 mm 47.8 mm 58.7 mm 166
Hammond Manufacturing Power Transformers Power transformer, low voltage, 115V 60 Hz., 8.5VA, 8.5 C.T., 1A
Datasheet
3Factory Stock Available
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Transformers 115 VAC 8.5 VAC CT 8.5 VA 1 A Chassis Single Primary Winding Single Secondary Winding 71.4 mm 38.1 mm 35.1 mm 166
Hammond Manufacturing Power Transformers Power transformer, low voltage, 115V 60 Hz., 6.25VA, 2.5 C.T., 2.5A
Datasheet
18Factory Stock Available
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Transformers 115 VAC 2.5 VAC CT 6.25 VA 2.5 A Chassis Single Primary Winding Single Secondary Winding 71.4 mm 38.1 mm 35.1 mm 166
Hammond Manufacturing Power Transformers Power transformer, low voltage, 115V 60 Hz., 100VA, 50 C.T., 2A
Datasheet
17Factory Stock Available
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Transformers 115 VAC 50 VAC CT 100 VA 2 A Chassis Single Primary Winding Single Secondary Winding 4.5 in 2.5 in 3 in 166
Hammond Manufacturing Power Transformers POWER TX 117VAC 12.6V@3A
Datasheet
41Factory Stock Available
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115 VAC 12.6 VAC 3 A Chassis Single Primary Winding Single Secondary Winding 3.69 in 2.13 in 2.31 in 166
Hammond Manufacturing Power Transformers Power transformer, low voltage, 115V 60 Hz., 75VA, 25 C.T., 3A
Datasheet
42Factory Stock Available
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Transformers 115 VAC 25 VAC CT 75 VA 3 A Chassis Single Primary Winding Single Secondary Winding 102.4 mm 57.2 mm 66.8 mm 166
Hammond Manufacturing Power Transformers Power transformer, low voltage, 117V 50/60 Hz., 216VA, 72 C.T., 3A
Datasheet
16Factory Stock Available
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Transformers 115 VAC 72 VAC CT 216 VA 3 A Chassis Single Primary Winding Single Secondary Winding 3.75 in 3.56 in 4.5 in 166
Hammond Manufacturing Power Transformers Power transformer, low voltage, 115V 60 Hz., 55VA, 11 C.T., 5A
Datasheet
21Factory Stock Available
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Transformers 115 VAC 11 VAC CT 55 VA 5 A Chassis Single Primary Winding Single Secondary Winding 93.7 mm 47.8 mm 58.7 mm 166
Hammond Manufacturing Power Transformers Power transformer, low voltage, 115V 60 Hz., 75VA, 5 C.T., 15A
Datasheet
38Factory Stock Available
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Transformers 115 VAC 5 VAC CT 75 VA 15 A Chassis Single Primary Winding Single Secondary Winding 102.4 mm 57.2 mm 66.8 mm 166
Hammond Manufacturing Power Transformers Power transformer, low voltage, 115V 60 Hz., 112.5VA, 7.5 C.T., 15A
Datasheet
6Factory Stock Available
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Transformers 115 VAC 7.5 VAC CT 112.5 VA 15 A Chassis Single Primary Winding Single Secondary Winding 114.3 mm 63.5 mm 66.8 mm 166
Hammond Manufacturing Power Transformers Power transformer, low voltage, enclosed chassis mount, 140VA 115 70VCT
Datasheet
15Factory Stock Available
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Transformers 115 VAC 70 VAC CT 140 VA 2 A Chassis Single Primary Winding Single Secondary Winding 63.5 mm 95.3 mm 77.7 mm 167
Hammond Manufacturing Power Transformers Power transformer, low voltage, enclosed chassis mount, 280VA 115 70VCT
Datasheet
7Factory Stock Available
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Transformers 115 VAC 70 VAC CT 280 VA 4 A Chassis Single Primary Winding Single Secondary Winding 3.75 in 4.5 in 4.56 in 167
Hammond Manufacturing Power Transformers 80VA 115 16 VCT
Datasheet
7Factory Stock Available
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Transformers 115 VAC 16 VAC CT 80 VA 5 A Chassis Single Primary Winding Single Secondary Winding 63.5 mm 76.2 mm 77.7 mm 167
Hammond Manufacturing Power Transformers Power transformer, low voltage, enclosed chassis mount, 90VA 115 18VCT
Datasheet
20Factory Stock Available
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Transformers 115 VAC 18 VAC CT 90 VA 5 A Chassis Single Primary Winding Single Secondary Winding 63.5 mm 76.2 mm 77.7 mm 167
Hammond Manufacturing Power Transformers Power transformer, low voltage, enclosed chassis mount, 250VA 115 50VCT
Datasheet
14Factory Stock Available
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Transformers 115 VAC 50 VAC CT 250 VA 5 A Chassis Single Primary Winding Single Secondary Winding 95.3 mm 101.6 mm 115.8 mm 167
Hammond Manufacturing Power Transformers Power transformer, low voltage, enclosed chassis mount, 75VA 115 12.6VCT
Datasheet
4Factory Stock Available
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Transformers 115 VAC 12.6 VAC CT 75.6 VA 6 A Chassis Single Primary Winding Single Secondary Winding 63.5 mm 69.9 mm 77.7 mm 167