Models PT-10 and PT-20
Vishay Dale
Transformers
Pulse, Trigger Type
FEATURES
• Choice of printed circuit or bobbin-type configurations.
• Designed to transfer high amplitude or long duration
pulses without saturation.
• Designed for low-cost trigger source isolation in half and
full wave SCR power control circuits, including motor
speed controls, heater controls and incandescent
lighting controls.
STANDARD ELECTRICAL SPECIFICATIONS
LEAKAGE
INTERWINDING
CAPACITY
DCR
MAXIMUM
(Ohms)
PRIMARY
INDUCTANCE
INDUCTANCE
DASH
NUMBER
TURNS
RATIO
UNIPOLAR
ET (V-µSEC)
MAXIMUM (µH) MAXIMUM (pF)
MINIMUM (µH)
FIGURE
101*
102*
103*
104
570
912
1:1 ± 10%
1:1 ± 10%
1/3
200
500
3
6
800
1500
2000
2800
3500
800
1.5-1.5
4.5-4.5
8-8
1/3
1/3
1/3
1/3
2/4
2/4
2/4
2/4
2/4
1/3
1/3
1/3
1/3
2/4
2/4
2/4
2/4
2/4
1/3
2/4
1:1 ± 10%
1000
2000
5000
200
12
13
15
3
1283
1853
2850
570
1:1 ± 10%
12-12
18-18
2-2-2
105
1:1 ± 10%
106*
107
1:1:1 ± 10%
1:1:1 ± 10%
1:1:1 ± 10%
1:1:1 ± 10%
1:1:1 ± 10%
2:1 ± 10%
912
500
6
1500
2000
2800
3500
1000
1300
1800
2400
700
6-6-6
108
1283
1853
2850
912
1000
2000*
5000
500
12
13
15
6
10-10-10
15-15-15
27-27-27
4-2
109
110
111*
112*
113
2:1 ± 10%
1000
2000
5000
200
10
12
15
8
10-2
1288
1881
2850
570
2:1 ± 10%
10-5
114
2:1 ± 10%
18-10
4-2-2
115*
116*
117*
118
2:1:1 ± 10%
2:1:1 ± 10%
2:1:1 ± 10%
2:1:1 ± 10%
2:1:1 ± 10%
5:1 ± 10%
500
11
15
60
75
1500
1500
1000
1300
2000
2100
400
6-2-2
912
1311
1881
2850
2850
2850
1000
2000
5000
5000
5000
5-2-2
10-5-5
20-10-10
19-3
119
120*
121
5:1:1 ± 10%
400
20-4-4
*Standard items in PT-10 Model. Other Dash Numbers available on request. All Dash Numbers standard in PT-20 Model.
ELECTRICAL SPECIFICATIONS
MATERIAL SPECIFICATIONS
Bobbin: Nylon.
Leads: Tinned, solderable.
PT-10 = Polyurethane insulated magnet wire for clip or
bracket mounting.
PT-20 = Tinned copper 0.025 [0.635]Sq. for printed circuit
mounting.
Primary Inductance Values: From 200µH to 5000µH.
Turns Ratio: 1:1, 1:1:1, 2:1, 2:1:1 and 5:1.
Temperature Range: - 10°C to + 70°C.
Dielectric Test @ 60 Hz: 1600V RMS (Windings to case).
Header: Thermoset plastic.
Covering: Thermoplastic.
AC Line Voltage @ 60 Hz: 240V RMS maximum in test
circuits shown.
For technical questions, contact: Magnetics@vishay.com
www.vishay.com
2
Document Number: 34073
Revision 11-Dec-02