VISHAY PT-50 Technical data
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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.
STANDARD ELECTRICAL SPECIFICATIONS
DASH
NUMBER
101
102
103
104
105
106
107
108
109
110
TURNS
RATIO
1:1 ± 10%
1:1 ± 10%
1:1 ± 10%
1:1 ± 10%
1:1 ± 10%
2:1 ± 10%
2:1 ± 10%
2:1 ± 10%
2:1 ± 10%
5:1 ± 10%
PRIMARY
INDUCTANCE
MIN. (µH)
200
500
1000
2000
5000
500
1000
2000
5000
5000
LEAKAGE
INDUCTANCE
MAX. (µH)
3
6
12
13
15
6
10
12
15
1500
INTERWINDING
CAPACITY
MAX. (pF)
800
1500
2000
2800
3500
1000
1300
1800
2400
400
Transformers
DCR
UNIPOLAR
MAX.
1.5-1.5
4.5-4.5
8.0-8.0
12-12
18-18
4-2
10-2
10-5
18-10
19-3
ET (V-µSEC)
570
912
1283
1853
2850
912
1288
1881
2565
2850
(Ohms)
PT-50
Vishay Dale
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.
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.
.650
[16.5]
.250 [6.35]
Min.
.600
[15.24]
Dot identifies
#1 Terminal
Sq. Terminals Typ.
CIRCUIT DIAGRAM
Load
Line
•
•
Transformer Coupled Breakdown Diode Triggering Circuit
.025 [.635]
.640
[16.26]
Max.
2
1
.500
[12.70]
4
Terminal Numbers
For Ref. Only
3
PART MARKING
ORDERING INFORMATION
PT
TYPE
Contact factory for special designs not listed.
MODEL
— Vishay Dale
— Model
— Dash number
50
Schematic
1
PRI.
2
101
DASH NUMBER
3
SEC.
4
Document Number 34074
Revision 11-Dec-02
For technical questions, contact: Magnetics@vishay.com
www.vishay.com
151
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