www.triadmagnetics.com | 22520 b temescal canyon road, corona, ca 92883 | phone 951-277-0757 | fax 951-277-2757 audio transformers mil-t-27e power max. ma dc overall type mil type level matching impedance unbalanced dc resistance turns figure section no. no. in mw primary secondary in primary primary secondary ratio no. a sp-4 tf5s21zz 10 200,000 ct 1,000 ct 0.0 5,300.0 100.0 14.1:1.0 3 b sp-5 tf5s21zz 25 50,000 ct 1,000 ct 0.0 3,800.0 75.0 7.1:1.0 3 c sp-13 tf5s21zz 40 25,000 ct/20,000 ct 1,000/800 ct 0.5 1,700.0 115.0 5.0:1.0 3 SP-20 tf5s21zz 50 10,000 ct 1,200 ct 1.0 1,050.0 200.0 2.88:1.0 3 sp-21 tf5s21zz 50 10,000 ct 2,000 ct 1.0 1,050.0 330.0 2.24:1.0 3 sp-22 tf5s21zz 50 10,000 2,000 ct/500 1.0 1,050.0 146.0/168.0 4.48:1.0:1.0 4 sp-29 tf5s21zz 50 10,000 ct 500 ct 1.0 1,050.0 80.0 4:47:1.0 3 sp-33 tf5s21zz 50 1,000 50 3.0 145.0 8.0 4.4:1.0 1 sp-42 tf5s21zz 50 150 ct 12 10.0 18.0 2.7 3.54:1.0 2 d sp-48 tf5s21zz 50 7,500 ct 12 1.0 796.0 2.9 25.0:1.0 2 sp-49 tf5s21zz 50 300 ct 600 7.0 41.0 98.0 1.0:1.42 2 sp-50 tf5s21zz 50 500 ct 600 3.0 67.0 98.0 1.0:1.1 2 sp-51 tf5s21zz 50 900 ct 600 4.0 104.0 96.0 1.22:1.0 2 sp-52 tf5s21zz 50 1,500 ct 600 3.0 168.0 92.0 1.58:1.0 2 sp-66 tf5s21zz 50 10,000 ct 10,000 ct 1.0 1,000.0 1,300.0 1.0:1.0 3 sp-67 tf5s21zz 50 600 ct 600 ct 3.0 72.0 92.0 1.0:1.0 3 sp-68 tf5s21zz 50 10,000 10,000 ct/2,500 1.0 1,000.0 565.0/650.0 2.1:1.0 4 sp-69 tf5s21zz 50 600 600 ct/150 3.0 72.0 40.0/45.0 2.0:1.0:1.0 4 sp-70 tf5s21zz 50 600 600 3.0 72.0 92.0 1.0:1.0 1 e sp-128 tf5s21zz ? 0.1h ? 5.0 15.0 ?? 5 sp-310 shield only :: red spec printed circuit audio transformers ct = center tap split secondary :: outline dimensions technical notes 1. plug-in terminals are precision spaced to provide fixed mounting centers. :: description triad high reliability audio transformers provide the durability and precision required in todays demanding designs. these transformers are available for a wide variety of applications. the line of red spec audio transformers is designed and constructed to meet the rigid requirements of mil-t-27e. these transformers feature an epoxy molded case, gold plated leads and exceptional operation from 300 hz to 100 khz. :: specifications frequency response ranges: 300 hz to 100 khz red spec (mil-t-27e) figure 1 figure 2 figure 3 figure 4 figure 5 4. red spec transformers feature small footprint base dimensions of .310 by .410 inch. 5. pin diameter = .020 inch. 2. red spec transformers are hi-pot tested at 1,000 vrms. 3. 150 vdc working voltage. ct primary tap primary - tap secondary split windings inductor 7 | audio transformers
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