table of contents power transformers power transformer selection guide 7 low voltage p c board mount low profile 162 164 series 8 low voltage p.c board mount universal 183 series 10 low voltage p.c board mount vertical 160 161 series 11 low voltage p.c board mount low profile 229 series 13 low voltage p.c board mount epoxy cast 226 228 series 14 low voltage/filament chassis mount high current 165 series 15 low voltage/filament open style chassis mount 266 166 series 16 low voltage/filament enclosed chassis mount 167 series 20 low voltage global use chassis mount 185 series 22 canada phone 519 822-2960 fax 519 822-0715 © 2000 www.hammondmfg.com usa 2 phone 716 651-0086 fax 716 651-0726
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low voltage p.c mount selection table cat no du a l pr i 115 230v 1 8 3 e1 0 183f10 1 8 3 g1 0 1 8 3 h1 0 183j10 1 8 3 k1 0 1 8 3 e1 2 183f12 1 8 3 g1 2 1 8 3 h1 2 183j12 1 8 3 k1 2 1 8 3 e1 6 183f16 1 8 3 g1 6 1 8 3 h1 6 183j16 1 8 3 k1 6 1 8 3 e2 0 183f20 1 8 3 g2 0 1 8 3 h2 0 183j20 1 8 3 k2 0 1 8 3 e2 4 183f24 1 8 3 g2 4 1 8 3 h2 4 183j24 1 8 3 k2 4 1 8 3 e2 8 183f28 1 8 3 g2 8 1 8 3 h2 8 183j28 1 8 3 k2 8 1 8 3 e3 6 183f36 1 8 3 g3 6 1 8 3 h3 6 183j36 1 8 3 k3 6 si z e va va 2.5 5.0 10.0 20.0 30.0 56.0 2.5 5.0 10.0 20.0 30.0 56.0 2.5 5.0 10.0 20.0 30.0 56.0 2.5 5.0 10.0 20.0 30.0 56.0 2.5 5.0 10.0 20.0 30.0 56.0 2.5 5.0 10.0 20.0 30.0 56.0 2.5 5.0 10.0 20.0 30.0 56.0 secondar y rms se ries 10v c.t .25a 10v c.t .5a 10v c.t 1a 10v c.t 2a 10v c.t 3a 10v c.t 5.6a 12.6v c.t .2a 12.6v c.t .4a 12.6v c.t .8a 12.6v c.t 1.6a 12.6v c.t 2.4a 12.6v c.t 4.4a 16v c.t .15a 16v c.t .31a 16v c.t .62a 16v c.t 1.25a 16v c.t 1.9a 16v c.t 3.5a 20v c.t .12a 20v c.t .25a 20v c.t .5
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filament l.v rectifier use open style filament l.v rectifier use transformers · primary 115 vac 60 hz · all secondaries center tapped vac rms · open style channel bracket two hole chassis mount · minimum 6 long leads · dual bobbin design no electrostatic shield required · class b insulation 130 degrees c · hi-pot test of 2,000v rms · ul listed e50394 csa certified lr3902 mt g style c0h c1h c2h c3h c4h c5h c6h c7h c8h c9h c10h c11h c12h c13h c14h c15h c16h dimension table a 1.35 1.63 2.06 2.06 2.38 2.38 2.81 2.81 3.25 3.25 3.25 3.69 3.69 3.69 4.03 4.03 4.50 di mensi ons b c 0.69 0.69 0.88 0.81 1.25 1.19 1.38 1.19 1.38 1.38 1.50 1.38 1.50 1.69 1.63 1.69 1.63 2.00 1.75 2.00 2.00 2.00 1.88 2.31 2.00 2.31 2.13 2.31 2.25 2.63 2.50 2.63 2.50 2.88 d 1.06 1.38 1.75 1.75 2.00 2.00 2.38 2.38 2.81 2.81 2.81 3.13 3.13 3.13 3.56 3.56 4.00 mt g hol e .125 .125 .187 .187 .187 .187 .187 .187 .187 .187 .187 .187 .187 .187 .187 .187 .203 transformer schematic blk grn grn/yel blk grn secondary p
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toroidal selection tables primary 117/234 vac 50/60 hz cat no 182k6 182h9 182g12 182g15 182f18 182f22 182d110 182d117 182b240 182l6 182k9 182k12 182j15 182h18 182g22 182e110 182e117 182d240 182n6 182m9 182l12 182k15 182j18 182j22 182g110 182g117 182e240 182q6 182n9 182m12 182m15 182l18 182l22 182k30 182h110 182h117 182f240 182q9 182p12 182n15 182m18 182m22 182l30 182j110 182j117 182g240 182q12 182p15 182n18 182n22 182m30 182k110 182k117 182h240 va va 15 15 15 15 15 15 15 15 15 30 30 30 30 30 30 30 30 30 50 50 50 50 50 50 50 50 50 80 80 80 80 80 80 80 80 80 80 120 120 120 120 120 120 120 120 120 160 160 160 160 160 160 160 160 va csecondary r m s ser ies pa rallel 1 2 v c t @1 2 5 a 6v 2.5a 18v ct .83a 9v 1.66a 24v ct .63a 12v 1.26a 30v ct .5a 15v 1a 36v ct .42a 18v .84a 44v ct .34a 22v .68a 2 2 0 v c t 6 8 ma 1 1 0 v 1 3 6 ma 2 3 4 v c t 6 4 ma 1 1 7 v 1 2 8 ma 2 4 0 v 6 3 ma 12v ct 2.5a 6v 5a 18v ct 1.67a 9v 3.34a 24v ct 1.25a 12v 2.5a 30v ct 1a 15v 2a 36v
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enclosed d.c filter enclosed d.c filter chokes · enclosed 4-hole mounted chokes · tolerance of 15 on both inductance resistance · inductances measured at rated d.c current · minimum 8 long leads · units will exhibit less inductance at slightly higher currents or more at lower currents · perfect for high voltage power supply filtering case matches power transformers tube audio output transformers selection table cat no 193b 193c 193d 193g 193h 193j 193k 193l 193m 193n 193p 193q 193r 193s 193t 193u 193v i nduct ance he nrys 12 20 8 10 5 10 2.6 5 10 3 5 10 .3 1.0 .05 .2 .15 d.c cu rrent ma 100 100 150 150 200 200 300 300 300 500 500 500 1000 1000 2000 2000 3000 resistance max oper ohms volts d.c 155 181 75 102 65 82 21 57 63 35 26 53 3.50 5.75 0.7 1.7 1.0 600 600 600 800 600 800 800 800 800 600 800 1000 1000 1000 300 300 300 wt lbs 2.5 3.25 3.25 4.25 2.5 5.5 3.25 5.5 10.5 5.0 10.75 21.0 4.5 8.0 2.5 6.0 9.0 dim ref x6 x8 x8 x17 x6 x11 x8 x11 x14 x11 x14 x16 x10 x13 x6 x12 x14 choke sche
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audio
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broadcast quality chassis mount hermetically sealed broadcast quality audio transformers continued ca t no 801 802 804 806 807 808 809 812 813 832 834 835 841 842 844 nominal impedance max pr i d.c unbalanced ma pr imar y se condary isolating matching 50/200 50/200 0.8 isolating matching 50/200 60/240 125/500 150/600 0.8 isolating matching hybrid 125/500 150/600 125/500 150/600 0.5 dynamic mic or voice coil to grid 7.5/30 10k/40k 1.6 dynamic mic or voice coil to base 7.5/30 600/2400 1.6 mic or mixer to single or p.p grid 50/200 10000/40000 0.6 mic to mixer to base 50/200 600/2400 0.6 line or 150 ohm mic to 1 or 2 grids 125/500 150/600 10k/40k 12k/48k 0.4 line or 150 ohm mic to base 125/500 150/600 600/2400 720/2880 0.4 interstage ratio 1:2 5k/20k 20k/80k 0 interstage ratio 1:4 5k/20k 10k/40k 0 interstage ratio 1:1 10k/40k 10k/40k 0 p.p plates to line 5k/20k 50/200 0 p.p plates to line 5k/20k 6k/24k 125/500 150/600 0 p.p plates to line 10k/40k 12k/48k 125/500 150/600 0 ap plica
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sound distribution line matching audio transformers · couple 3.2 8 or 16 ohm speakers to 25 or 70 volt line outputs of amplifiers · up to 5 power tap levels available except 117f2 which has 4 · primary taps marked in watts no calculation necessary to match speaker power · frequency response 100 hz to 9 khz 1 db reference @1 khz · insertion loss less than 2 db · distortion is less than 1.25 100 hz at maximum power · horizontal channel bracket 2-hole 187 dia mounting · all models have solder lugs also suitable for slip on jumper connections · total power requirements of speakers should not exceed the rated power of each transformer or rated power of the amplifier cat no 117f2 117e4 117f4 117e8 117f8 117e16 117f16 117g16 117f32 117j4 117k4 117j8 117k8 117k16 117k32 po w e r system rating vo l t s wat t s 70 70 70 70 70 70 70 70 70 25 25 25 25 25 25 2 4 4 8 8 16 16 16 32 4 4 8 8 16 32 au d i o po w e r ta p s 2 1 1/2 1/4 4 2 1 1/2 1/4 4 2 1 1/2 1/4 8 4 2 1 1/2 8 4 2 1 1/2 16 8 4 2 1
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pulse
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isolation plug in 289 series line isolation step down plug in 230v to 115v · primary 230vac 50/60 hz secondary 115vac · provides circuit isolation · electrostatic shield between primary secondary · world wide applications 50 or 60 hz operation step down 230vac to 115 vac · standard 3-wire grounded plug for use only with adaptors listed on page 58 for proper grounding · secondary connected to two standard 3 wire grounded receptacles · features include ventilated black steel case rocker lighted on-off switch fuse protected output · 5 foot u ground cord plug cat no capacity of va va ou tlets 289c 250 2 289d 500 2 289e 750 2 1000 2 289f 1500 2 289g dimensions a b c 6.00 6.75 4.75 6.00 8.25 4.75 7.00 8.25 5.38 7.00 9.75 5.38 8.50 9.00 6.75 output 3-wire receptacle 2 a c input 3-wire plug b · primary 115vac 50/60 hz secondary 230vac · provides circuit isolation · electrostatic shield between primary secondary · world wide applications 50 or 60 hz operation step up 115vac to 230
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