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| Chassis & P.C. Board Mount Red PULSE TRANSFORMERS * Economical, open style, chassis mount. * Mounting hole (G) - .187" * Units are intended for pulse applications including thyristor / triac firing circuits. * Flexible leads - 4" minimum. Brn Yel Org 612H Blk Yel Secondary Blk Blu Primary Cat. No. 612G 612H Ra t i o 1:1 1:1:1 Brn Org 612G Pr imar y Circuit Max. Volts Inductance D.C. Res. mH (min.) (Ohms) 600 6.6 0.87 600 1.5 0.45 D.C. Winding Re s i s t a n c e Se c . 1 Se c . 2 (Ohms) ( O h ms ) 0.87 0.42 0.49 Secondary Primary I nsul at i on RMS (Volts) 4000 4000 Wt. Oz . 8.0 8.0 Dimensions A B C D 2.06 1.25 1.19 1.75 2.06 1.25 1.19 1.75 2.38 15.24 5 4 1 3 5.08 5.08 5.08 2 6 20 2.38 All Dimensions in mm Pins 0.64 sq. 12.5 13 6.5 1 Primary 4 5 6 2 Sec. 2 Sec. 1 PULSE TRANSFORMERS * These transformers are fully encapsulated in a high grade black molded case with a UL94V-O rating. * They are intended mainly for thyristor / triac triggering applications. * All units are voltage proof tested between windings at 2500V RMS for 1 minute, for a working voltage rating maximum of 440V RMS. * Transformers with three or more windings can be series connected to obtain alternative ratios. (ie...a 1:1:1 type may be series connected by linking pins 4 & 5 in which case 3-6 are used as the primary winding to obtain a ratio of 2:1 etc.) Ca t . No. 630B 631B 632B 630C 631C 632C 630D 631D 632D 640A 640B 640C 641A 641B 641C Tur ns Ra t i o 1:1 1:1:1 2:1:1 1:1 1:1:1 2:1:1 1:1 1:1:1 2:1:1 2:1:1:1 2:1:1:1 2:1:1:1 2:1:1:1 2:1:1:1 2:1:1:1 Leakage Ca p a c i t y I nduct ance pf. (max) I n d u c t a n c e ET Co n s t a n t uH (max) V uS mH (min.) 1 120 2.0 50 1 120 3 40 1 120 3.5 30 4 240 5 55 4 240 11 35 4 240 11 35 16.3 482 18 65 16.3 482 40 40 16.3 482 40 40 10 370 38 32 30 640 110 38 100 1160 340 35 10 890 28 65 30 1520 75 70 100 2760 190 190 Pr imar y D.C. Winding Resistance (ohms) Pr i . 0.25 0.25 0.24 0.86 0.9 0.84 3.5 3.6 3.5 2.3 6.6 25.0 0.45 1.2 5.2 Se c . 1 Se c . 2 Se c . 3 0.23 0.22 0.12 0.83 0.76 0.38 3.4 3.1 1.6 1.1 3.0 12.0 0.2 0.5 2.4 2 Primary 3 8 Feedback or Sec. 3 1 630 Series - Dimensions & Schematic 25 20 3 0.28 0.15 1.1 0.5 4.2 2.0 1.3 3.8 14.6 0.26 0.65 2.9 4 5 6 7 1.0 2.7 10.8 0.19 0.46 2.2 640 Series - Dimensions & Schematic Sec. 1 Sec. 2 Cat. Ser ies No. 6 4 0 Se r i e s 6 4 1 Se r i e s Tol. Max. Min. Max. Min. a 25.0 36.0 - b 12.7 20.2 - c 4.0 4.0 Dimensions v w 17.98 12.9 17.58 12.47 28.12 20.52 27.72 20.12 x 7.82 7.42 12.90 12.47 y 5.28 4.88 7.82 7.42 z 1.2 1.1 1.2 1.1 CANADA Phone: (519) 822-2960 Fax: (519) 822-0715 (c) 2000 www.hammondmfg.com USA 66 Phone: (716) 651-0086 Fax: (716) 651-0726 |
Price & Availability of 641A
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