1 / 8 / 2 2 , 2 : 3 9 A M H i g h V o l t a g e ( P l a t e ) & F i l a m e n t - 3 9 V A t o 9 4 0 V A ( 3 0 0 S e r i e s ) - H a m m o n d M f g . Quality Products. Service Excellence. High Voltage (Plate) & Filament - 39 VA to 940 VA 300 Series Universal Primary & 50/60 Hz Operation Features Primary: Universal - 100, 110, 120, 200, 220,230, 240 VAC 50/60 Hz. NOTE: units are designed to operate with BOTH primary windings engaged. See primary wiring information under resources. Bias Tap: 50 VAC tap from high voltage secondary C.T. (except part number 379WX - uses a separate 60VAC 0.2 Amp winding). Highpot tested: 2,000 VAC Faraday Copper Primary Shield: Our electrostatic shield reduces the capacitive coupling from the primary - greatly attenuating higher frequency current coupling to the secondaries (shield is internally grounded to the end bell). Windings: Concentric wound for low stray field and low noise. Models: This series is an upgrade from our entire 200 Series range of units PLUS 2 models designed specifically for 300B tubes (Part Number 300BX) and 2A3 tubes (Part Number 302AX). Finish: Black powder paint to match our 1650 series of output transformers Units can be run full wave bridge or full wave C.T. Conservative designs - CSA certified (209651). For a more economical, open frame, universal primary - check out our 260 Series. For thathigh en look & feel check out our potted versions - the 300P Series. Gallery A.C. Bias Tap on High High Voltage Voltage secondary Secondary with C.T Grounded Filament 1 Filament 2 Filament 3 Filament 4 Dimension Part No. VA R.M.S. (VAC) (VAC) (VAC) (VAC) (VAC) Reference 363AX 32 200V C.T. 115ma. 50 5V C.T. 2A - - - X6 369AX 40 250V C.T. 115ma. 50 6.3V C.T. 2A - - - X6 369BX 39 300V C.T. 86ma. 50 6.3V C.T. 2A - - - X6 h t t p s : / / w w w . h a m m f g . c o m / e l e c t r o n i c s / t r a n s f o r m e r s / c l a s s i c / 3 0 0 1 / 31 / 8 / 2 2 , 2 : 3 9 A M H i g h V o l t a g e ( P l a t e ) & F i l a m e n t - 3 9 V A t o 9 4 0 V A ( 3 0 0 S e r i e s ) - H a m m o n d M f g . A.C. Bias Tap on High High Voltage Voltage secondary Secondary with C.T Grounded Filament 1 Filament 2 Filament 3 Filament 4 Dimension Part No. VA R.M.S. (VAC) (VAC) (VAC) (VAC) (VAC) Reference 363CX 119 360V C.T. 288ma. 50 5V C.T. 3A - - - X11 369EX 45 380V C.T. 75ma. 50 6.3V C.T. 2.5A - - - X6 369HX 120 450V C.T. 150ma. 50 5V C.T. 3A 6.3V C.T. 6A - - X10 369KX 188 450V C.T. 300ma. 50 5V C.T. 3A 6.3V C.T. 6A - - X20 370X 41 480V C.T. 46ma. 50 5V C.T. 2A 6.3V C.T. 1.5A - - X6 370AX 44 480V C.T. 58ma. 50 6.3V C.T. 2.5A - - - X6 369GX 50 450V C.T. 75ma. 50 6.3V C.T. 2.5A - - - X6 369JX 50 500V C.T. 69ma. 50 6.3V C.T. 2.5A - - - X6 370CAX 66 500V C.T. 81ma. 50 5V C.T. 2A 6.3V C.T. 2.5A - - X8 370JX 133 500V C.T. 161ma. 50 5V C.T. 3A 6.3V C.T. 6A - - X20 370KX 229 500V C.T. 322ma. 50 5V C.T. 6A 6.3V C.T. 6A - - X22 370DAX 76 520V C.T. 104ma. 50 6.3V C.T. 3.5A - - - X8 370BX 55 550V C.T. 58ma. 50 5V C.T. 2A 6.3V C.T. 2A - - X7 370CX 59 550V C.T. 75ma. 50 6.3V C.T. 0.6A 6.3V C.T. 2.5A - - X7 370DX 86 550V C.T. 104ma. 50 5V C.T. 2A 6.3V C.T. 3A - - X8 370EX 119 550V C.T. 144ma. 50 5V C.T. 3A 6.3V C.T. 4A - - X11 370FX 141 550V C.T. 173ma. 50 5V C.T. 3A 6.3V C.T. 5A - - X19 370HX 180 550V C.T. 230ma. 50 5V C.T. 3A 6.3V C.T. 6A - - X20 370LX 340 550V C.T. 460ma. 50 5V C.T. 6A 6.3V C.T. 9A - - X23 370MX 403 550V C.T. 575ma. 50 5V C.T. 6A 6.3V C.T. 9A - - X24 371X 63 560V C.T. 69ma. 50 5V C.T. 2A 6.3V C.T. 2A - - X7 372BX 98 600V C.T. 115ma. 50 5V C.T. 2A 6.3V C.T. 3A - - X10 372DX 127 600V C.T. 144ma. 50 5V C.T. 3A 6.3V C.T. 4A - - X11 372FX 150 600V C.T. 173ma. 50 5V C.T. 3A 6.3V C.T. 5A - - X20 302AX 198 600V C.T. 230ma. 50 2.5V C.T. 2.5A 5V C.T. 3A 6.3V C.T. 6A 2.5V C.T. 2.5A X13 372HX 191 600V C.T. 230ma. 50 5V C.T. 3A 6.3V C.T. 6A - - X13 372JX 243 600V C.T. 288ma. 50 5V C.T. 4A 6.3V C.T. 8A - - X14 372KX 432 600V C.T. 575ma 50 5V C.T. 6A 6.3V C.T. 9A - - X21 372LX 520 600V C.T. 690ma 50 5V C.T. 6A 6.3V C.T. 12A - - X25 372X 75 620V C.T. 81ma. 50 5V C.T. 2A 6.3V C.T. 2.4A - - X8 376X 157 640V C.T. 173ma. 50 5V C.T. 3A 6.3V C.T. 5A - - X20 373EX 311 650V C.T. 345ma. 50 5V C.T. 6A 6.3V C.T. 9A - - X23 373FX 386 650V C.T. 460ma. 50 5V C.T. 6A 6.3V C.T. 9A - - X24 373DX 101 700V C.T. 104ma. 50 5V C.T. 2A 6.3V C.T. 3A - - X10 373X 125 700V C.T. 127ma. 50 5V C.T. 2A 6.3V C.T. 4A - - X11 373BX 187 700V C.T. 201ma. 50 5V C.T. 3A 6.3V C.T. 5A - - X13 373HX 369 700V C.T. 403ma. 50 5V C.T. 6A 6.3V C.T. 9A - - X21 373JX 710 700V C.T. 863ma. 50 5V C.T. 6A 6.3V C.T. 12A - - X26 374AX 136 720V C.T. 138ma. 50 5V C.T. 3A 6.3V C.T. 3.5A - - X11 374X 141 750V C.T. 127ma. 50 5V C.T. 3A 6.3V C.T. 5A - - X20 374BX 200 750V C.T. 201ma. 50 5V C.T. 3A 6.3V C.T. 6A - - X13 375X 171 800V C.T. 155ma. 50 5V C.T. 3A 6.3V C.T. 5A - - X20 378X 237 800V C.T. 230ma. 50 5V C.T. 3A 6.3V C.T. 6A - - X22 300BX 280 800V C.T. 288ma. 50 5V C.T. 1.2A 5V C.T. 3A 6.3V C.T. 6A - X15 378CX 465 800V C.T. 534ma. 50 6.3V C.T. 6A - - - X21 379WX 940 800V C.T. 1.06 A or 850V C.T. 1A 60* 6.3V C.T. 12A - - - X26 379X 193 850V C.T. 173ma. 50 5V C.T. 3A 6.3V C.T. 5A - - X22 382X 283 1,000V C.T. 230ma. 50 5V C.T. 3A 6.3V C.T. 6A - - X15 384X 329 1,200V C.T. 230mA 50 5V 3A 6.3V 3A 6.3V 3A X15 *Note: 60 VAC winding for bias supply - on our 379WX is a separate winding (maximum current of 200 ma.) Note: See our PDF Design Guide for rectifier use suggestions. Horizontal Mount mounting) h t t p s : / / w w w . h a m m f g . c o m / e l e c t r o n i c s / t r a n s f o r m e r s / c l a s s i c / 3 0 0 2 / 3