User's Manual Part 6

 673)

  
"
 '   89 )
 Cores must be properly aligned when assembled.
Core faces must be clean and free from grease and dirt.
Ensure tag plate is firmly pressed against can before folding tabs.
Core .. P26/16 - µ1910
Former .. single
Number of Turns:
Primary .. 250 bifilar
Secondary .. 250 bifilar
Material .. 15mm self flux
Tape .. thermosetting electrical grade
Sleeving .. inside diameter all colours, 0.5mm
Inductance 1 .. 6±1.5H
(total series inductance, pin 1 to 5 - connect pins 2 & 3, 4 & 8 and 7 & 6)
Inductance 2 .. 1.5±0.4H
(any winding, with all others open circuit)
Secondary
Primary
5
6
7
8
4
3
2
1
Underside View
Can
Core
Former
(Wound)
Tag plate
Spring
Mylar
Insulator
Section A-A
Primary
Secondary
Leads to
be sleeved
Tin ends
of leads
Tape outside
of turns
Former and Windings
1
3
2
4
Sleeving
Colours
Sleeving
Colours
Start
Pri
Bifilar
Finish
Finish
Pri 250T - 15 Red & Green
Sec 250T - 15Red & Green
Green
250T
Green
250T
Red
250T
Red
250T
8
6
7
5
Brown
Blue
Red
A
A
Start
Sec
Bifilar
Grey
Sleeving Colours:
Pin 1,3 Brown
2,4 Red
5,7 Blue
6,8 Grey