PT-50 Vishay Dale Transformers Trigger, SCR Isolation FEATURES • Designed for low-cost trigger source isolation in SCR power control circuits. • Small physical size and low profile provide packaging advantages. • Designed to transfer high amplitude or long duration pulses without saturation. • Industrial and commercial applications include motor speed controls, lighting controls and heater controls. • Interchangeable. Designed for circuit board mounting using same mounting dimensions as 11Z and PT-20 models. ELECTRICAL SPECIFICATIONS STANDARD ELECTRICAL SPECIFICATIONS Primary Inductance Values: From 200µH to 5000µH. Turns Ratio: 1:1, 2:1 and 5:1. Temperature Range: - 55°C to + 105°C. Dielectric Test @ 60 Hz: 1600 V RMS. (Windings to core.) AC Line Voltage @ 60 Hz: 240 V RMS maximum in test circuits shown. PRIMARY LEAKAGE INTERWINDING DCR INDUCTANCE INDUCTANCE CAPACITY MAX. UNIPOLAR MIN. (µH) MAX. (µH) (Ohms) ET (V-µSEC) MAX. (pF) DASH NUMBER TURNS RATIO 101 1:1 ± 10% 200 3 800 1.5-1.5 102 1:1 ± 10% 500 6 1500 4.5-4.5 912 103 1:1 ± 10% 1000 12 2000 8.0-8.0 1283 104 1:1 ± 10% 2000 13 2800 12-12 1853 105 1:1 ± 10% 5000 15 3500 18-18 2850 106 2:1 ± 10% 500 6 1000 4-2 912 107 2:1 ± 10% 1000 10 1300 10-2 1288 108 2:1 ± 10% 2000 12 1800 10-5 1881 109 2:1 ± 10% 5000 15 2400 18-10 2565 110 5:1 ± 10% 5000 1500 400 19-3 2850 570 MATERIAL SPECIFICATIONS Bobbin: Glass-filled nylon. Terminals: .025" [.635] square tinned copper. Material Rating: + 105°C Class A. DIMENSIONAL CONFIGURATIONS [Numbers in brackets indicate millimeters] .780 [19.8] Max. .640 [16.26] Max. 2 4 .650 [16.5] 3 1 .250 [6.35] Min. Schematic Terminal Numbers For Ref. Only 1 3 PRI. SEC. 2 4 Dot identifies #1 Terminal .600 [15.24] .025 [.635] Sq. Terminals Typ. CIRCUIT DIAGRAM .500 [12.70] PART MARKING Load — Vishay Dale — Model — Dash number Line ORDERING INFORMATION • • Transformer Coupled Breakdown Diode Triggering Circuit Document Number 34074 Revision 11-Dec-02 PT 50 101 TYPE MODEL DASH NUMBER Contact factory for special designs not listed. For technical questions, contact: [email protected] www.vishay.com 151