Hammond Mfg. - Power Transformer

Low Voltage
P.C. Board Mount
Universal

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(click to enlarge)

Key Features:

14 output voltages to choose from (5 - 36 VAC R.M.S.)
Six VA size models available from - 2.5 to 56VA
Universal operation on 50/60 Hz current, 115 or 230V dual primary
Low profile, split bobbin with top shroud design.
Dual winding secondaries, non-concentrically wound
Low primary to secondary coupling - no electrostatic shield required.
High insulation - Hipot of 4,000V RMS.
Class F insulation - 155 degrees C.
Two hole mounting on 2.5, 5, 10 and 20VA sizes, four hole mounting on 30 and 56VA size (mounting screws not provided).
P.C. board mount with industry standard pin spacing.
CSA certified (# LR3902) and UL recognized (# E50394).

Part No. Dual Pri. 115/230V	Size VA	Secondary (RMS)
Part No. Dual Pri. 115/230V	Size VA	Series	Parallel
183E10	2.5	10V C.T. @ .25A	5V @ .5A
183F10	5.0	10V C.T. @ .5A	5V @ 1A
183G10	10.0	10V C.T. @ 1A	5V @ 2A
183H10	20.0	10V C.T. @ 2A	5V @ 4A
183J10	30.0	10V C.T. @ 3A	5V @ 6A
183K10	56.0	10V C.T. @ 5.6A	5V @ 11.2A
183E12	2.5	12.6V C.T. @ .2A	6.3V @ .4A
183F12	5.0	12.6V C.T. @ .4A	6.3V @ .8A
183G12	10.0	12.6V C.T. @ .8A	6.3V @ 1.6A
183H12	20.0	12.6V C.T. @ 1.6A	6.3V @ 3.2A
183J12	30.0	12.6V C.T. @ 2.4A	6.3V @ 4.8A
183K12	56.0	12.6V C.T. @ 4.4A	6.3V @ 8.8A
183E16	2.5	16V C.T. @ .15A	8V @ .3A
183F16	5.0	16V C.T. @ .31A	8V @ .62A
183G16	10.0	16V C.T. @ .62A	8V @ 1.25A
183H16	20.0	16V C.T. @ 1.25A	8V @ 2.5A
183J16	30.0	16V C.T. @ 1.9A	8V @ 3.8A
183K16	56.0	16V C.T. @ 3.5A	8V @ 7A
183E20	2.5	20V C.T. @ .12A	10V @ .24A
183F20	5.0	20V C.T. @ .25A	10V @ .5A
183G20	10.0	20V C.T. @ .5A	10V @ 1A
183H20	20.0	20V C.T. @ 1.0A	10V @ 2A
183J20	30.0	20V C.T. @ 1.5A	10V @ 3A
183K20	56.0	20V C.T. @ 2.8A	10V @ 5.6A
183E24	2.5	24V C.T. @ .1A	12V @ .2A
183F24	5.0	24V C.T. @ .21A	12V @ .42A
183G24	10.0	24V C.T. @ .42A	12V @ .84A
183H24	20.0	24V C.T. @ .83A	12V @ 1.66A
183J24	30.0	24V C.T. @ 1.25A	12V @ 2.5A
183K24	56.0	24V C.T. @ 2.33A	12V @ 4.66A
183E28	2.5	28V C.T. @ .09A	14V @ .18A
183F28	5.0	28V C.T. @ .18A	14V @ .36A
183G28	10.0	28V C.T. @ .36A	14V @ .72A
183H28	20.0	28V C.T. @ .72A	14V @ 1.44A
183J28	30.0	28V C.T. @ 1.06A	14V @ 2.12A
183K28	56.0	28V C.T. @ 2A	14V @ 4A
183E36	2.5	36V C.T. @ .07A	18V @ .14A
183F36	5.0	36V C.T. @ .14A	18V @ .28A
183G36	10.0	36V C.T. @ .28A	18V @ .56A
183H36	20.0	36V C.T. @ .56A	18V @ 1.12A
183J36	30.0	36V C.T. @ .82A	18V @ 1.64A
183K36	56.0	36V C.T. @ 1.56A	18V @ 3.12A

Mechanical & Schematic Data:

183 Drawing + Schematic

Confused about phasing or
primary & secondary connections?

Connection FAQ Link

183 Mounting

(VA) Size	Dimensions (Inches)									Pin Size (square)	Mtg. Screw	lbs.
(VA) Size	L	W	H	A	B	C	M	N	P	Pin Size (square)	Mtg. Screw	lbs.
2.5	1 5/8	1 7/16	1 1/8	.20	.25	1.00	1 1/16	--	--	0.025"	#4	0.17
5	1 5/8	1 7/16	1 3/8	.20	.40	1.00	1 1/16	--	--	0.025"	#4	0.37
10	1 7/8	1 9/16	1 3/8	.20	.40	1.14	1 1/4	--	--	0.036"	#4	0.53
20	2 1/4	1 7/8	1 5/8	.40	.40	1.46	1 1/2	--	--	0.036"	#4	0.9
30	2 5/8	2 3/16	1 9/16	.55	.28	1.68	--	1 3/4	2 3/16	0.045"	#6	1.15
56	3	2 1/2	1 13/16	.60	.30	1.90	--	2	2 1/2	0.045"	#6	1.70

catalog pages on this series (255K) 5C0010.pdf

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