Transformers with 1 Secondary Winding

Many transformer numbers are linked to a photo, but e-mail if not or other information is required as photos and finding information is time consuming & often left until an enquiry is received. OC & LV are 'Open Circuit' & 'Loaded Voltage' abbreviations. A ≈ preceding Amp & VA values indicates values are based on core size or other parameters.
Don't forget to also check transformers with 2 (or even 3 or more) secondary's that are of equal voltage and when wired in parallel or series may provide the secondary required.
Secondary VA Qty Transformer Pri. Notes Cost
Number Manuf
2.5V 2.5A 6.3va 1 166L2 Hammond 120 0.3kg 2" × 1½" × 1⅝"h (>$18 New) $10
2.5VCT 5.25A 13va 1 TF4RX01YY Audio Dev. Co. 115/230 1.0kg 2⅜" x 2½ x 3⅛"h (New=is≈$21) $12
4.0V     1 A-T86B-3   120 0.2kg 1¾" × 1½" × 1⅜"h  
5.0VCT 4.0A 20va 1 F-54 CTC 115/230 0.9kg 2⅜" x 2½ x 3¼"h (New=is≈$26) $15
1 FH-54 CTC 115/230 0.9kg 2⅜" x 2½ x 3¼"h (New=is≈$26) $15
6.3V 0.300A   1 6V0.3A   120 0.1kg 1½" × 1¼" × 1¼"h $5
0.900A   1 6V0.9A   120 0.16kg Philco 606323 $7
1.0A   1 166J6 Hammond 120 0.26kg 1⅞" × 1⅝" × 1⅝"h $13
1.0A   1 167C60 Hammond 120  NEW   Photo is of a 166J6, but this is old version of a 166J6 that's larger & good for >1A using current rating systems.
0.42kg 2¼" × 1⅞" × 1⅞"h		 $16
1.0A   1 9563024500     0.2kg $8
?   1 25B880299 Motorola   0.83kg 2¼" × 2⅝" × 2⅝"h $8
6.3VCT 2.0A   1 166L6 Hammond 120   $10
4.0A   1 167E60 Hammond 120 Old version of 166N6 $10
6.0A   1 167Q6 Hammond 120 Very similar to this 262G6 photo. $14
8.0A   2 FT-8 UTC 115    
10.0A 63va 1 F-610 CTC 115/230    
7.0V 0.500A   1 A-T86C-7   120    
    1 TE-502-1D1   120    
7.5VCT     1 BT86B   120    
8.0V     4 166G8 Hammond 120    
    1 70C108D   120    
    1 7-442-TK   120    
8.5V 2.0A   1 166L8 Hammond 120    
9.0V 2.0A   1 ES-57-062   120    
9.5V 11.0A   5 H300145 Hammond 120    
10.0V 0.500A   3 NU10 Nortron 120 Class 2, DoorBell Transformer  
10.0A   1 E68715 Hammond 115    
10.0VCT     1 ES-35-375   115    
11.5V 2.5A   1 FH3-0152   120    
12.0V 0.150A   1 5246607   120    
0.300A   1 S123   120/240    
4.0A   1 DA-51-12T TDC Power 120 Class 2 Transformer
10V@35va or 12V@50va		 $12
12.0VCT 0.450A   1 273-1365 Radio Shack 120    
12.6V 0.300A   1 273-81385 Radio Shack 120    
0.300A   2 PI-35-1-014   120    
12.6VCT 0.300A   4 166F12 Hammond 120    
0.300A   1 N350-1   120    
0.300A   1 NT-019SR   120    
1.0A   2 166J12 Hammond 120    
1.0A   1 TRC12J FROST 120    
1.2A   1 273-81505 Radio Shack 120    
2.0A   1 P-8130 Stancor 120 1500 W.V.rms  
2.5A   1 166L12 Hammond 120    
2.5A   1 F-26X Triad 120    
3.0A   1 273-81511 Radio Shack 120    
14V 0.100A   1 166B2357-018   120    
0.500A   1 8664 ANKO 120    
1.0A   1 T-9020V   120    
10.0A   2 25D05340D01 Motorola 120/240 with a Bridge Rectifier &
19,000ufd / 40V capacitor.		  
14VCT 0.150A   1 166E14 Hammond 120    
0.360A   1 PT-798 IDS 120    
0.500A   2 166G14 Hammond 120    
2.0A   1 210A Hammond 110/120    
15V 3.0A   1 25C05721C01   120/240    
16V 0.300A   1 FT-12   120    
0.625A   2 NU16 Nortron 120 Class 2, DoorBell Transformer  
1.0A   2 27047   120    
1.0A   1 CH3909D   120/240    
3.0A   1 TLP-3238   120    
    1 151-223G   120    
16VCT 3.5A   1 DP-241-7-16 Signal 120/240   $10
6.25A   6 DP-241-8-16 Signal 120/240 Image is of DP-241-7-16 $15
18V 2.0A   1 F1-13674   120   $10
2.5A   1 28U7ZP   120   $12
3.0A   1 K3360   120   $15
    1 4-2511-36670   120 Shielded. From a TV Camera.  
18VCT 5.0A   2 167P18 Hammond 120 List is $38.95 $30
10.0A   1 167S18 Hammond 120 List is $55.56 $45
19V 3.0A   1 25D84483E01   120    
20V 1.0A   1 JEC-1   120 Sec tapped at 7.9 & 12V  
3.0A   2 2502419J01   120    
20VCT 0.100A   3 166D20 Hammond 120    
0.150A   1 166E20 Hammond 120    
0.300A   3 LV003   120    
1.0A   1 166J20 Hammond 120    
1.0A   1 879-0052   120    
8.8A   1 24-10234-01   120 ANH4  
22V 0.500A   1 X2205   120    
24V 0.083A   4 LV002   120    
0.833A   2 592 Edwards 120 Class 2, DoorBell Transformer
also 8 & 16V @ 10VA		  
2.0A   2 SA-8130   120    
2.0A   1 HE2G Hammond 120 Class A, Control Transformer  
24VCT     1 1207-NC   120    
25V 0.300A   1 273-81386 Radio Shack 120    
0.500A   1 CA21A ATC 120 Class 2, Control Transformer  
0.800A   1 AT20B1015 Honeywell 120 Class 2, Control Transformer  
1.2A   1 273-81480 Radio Shack 120    
1.6A   1 AT72E1096 Honeywell 120 Class 2, Control Transformer  
25VCT 0.100A   1 166D25 Hammond 120    
0.500A   1 166G25 Hammond 120    
1.0A   2 166J25 Hammond 120    
26V     1 73911 Hammond 120    
    1 SB-1   120 in metal box 2" x 2.5" x 1.75"  
26VCT 0.300A   1 LV004   120    
5.0A   1 210H Hammond 110/120 Photo is of 279X which looks identical to the 210H.  
28V 1.0A   1 P5066CH
15Z2ZP-S
B-P54-22R		   120 Double Insulated
0.5kg 		 
3.0A   2 FH3-0156   120    
5.0A   2 FF1-3671   120 28V or 33V depending
on primary tap used.		  
28VCT 0.500A   1 166G28 Hammond 120    
1.0A   2 166J28 Hammond 120    
1.0A   1 549-7936   120    
30VCT 0.300A   1 DK-152   120    
3.0A   2 167M30 Hammond 120    
5.0A   1 165P30 Hammond 120    
32VCT 1.0A   1 5700112 ACME 120 ACME ELECTRIC CORP  
1.0A   4 5700115D
B1140-13		   120    
36V 5.0A   2 FT-1469 FROST 120    
36VCT 0.150A   2 166E36 Hammond 120    
0.800A   2 285P150 Hammond 120    
1.0A   1 166J36 Hammond 120    
1.5A   1 DP-241-7-36 Signal 120/240 Manufactures Photo  
2.0A   4 7113-83077 FROST 120    
3.0A   2 167M36 Hammond 120    
12.0A   1 167T36 Hammond 120    
37V 5.0A   1 210P Hammond 120 Sec tapped for 28, 31, 34V or 37V  
40VCT 0.500A   2 P-100224   120    
46VCT ≈28A ≈1300
va		 1 104-000148-04   120/240 100/120/200/220/240V Pri. Taps
12.6kg Schematic		  
48V     1 4580156-01   120 in metal box 3" x 3.6" x 3.75"  
48VCT 1.2A 56va 27 DP-241-7-48 Signal 120/240 New Hammond equivalent is $18
0.8kg 		$10 ea.
2/$16
50VCT 0.500A 25va 1 166G50 Hammond 120 0.63kg  
≈5.4A ≈230va 1 104-000164   120/240 Schematic  
    1 104-000206-02   120 100/120/200/220/240V Pri. Taps
12.7kg Schematic		  
56VCT     2 HO-8R0-00   120 Sec taps at 10 & 18 Volts
.46kg (28V-18V-10V-0-10V-18V-28V)		  
60VCT ≈3.5A ≈230va 1 023-3444 Staco 120 Multi-tap Pri & Sec
3.0kg Schematic		  
64VCT   ≈50va 1 10724A Royal 120/240 Sec taps at 16 Volts
1.2kg (32V-16V-0-16V-32V)		  
65V ≈1.0A ≈62va 1 1-017-5417F   120/240 1.6kg Schematic  
70V ≈.880A ≈62va 1 1-017-5417D   120/240 1.6kg Schematic  
70VCT   ≈52va 1 306840-1   120/240 from Ampex Transistor PA Amp
1.3kg 2½" × 2⅞" × 3"h		  
80VCT   ≈100va 1 83-754-000   120 OC=85V / LV=83V@.62A
2.2kg 4⅛" x 3½" x 2¾"h		  
120V 0.160A 20va 2 CA-T-300011   120 .48kg Isolation Transformer  

This page was last updated: October 15, 2008

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