PRO-AUDIO PRODUCTS MECHANICAL INFORMATION

We offer a wide range of package sizes, and styles with 150 mm colour coded leads or for PCB mounting. The table below shows the dimensions for the various SIZES (a,b,c etc) in the various STYLES (A,B,C etc). We can offer other options on request and we will make every effort to accommodate your space, pin configuration or mounting requirements.

Sowter professional audio transformers
    PACKAGE SIZE CODE (dimensions in mm)
STYLE   b c d e x f g h i j k m
A

Open leads

height z 17   21 20.5 26.5 28.5 28.5 36.5 36.5 37.5 51  
width x 16   22 26 26 25 37 28.5 41 33 40  
length y 21   27.5 27.5 27.5 37.5 37.5 43.5 43.5 45.5 60.5  
mount holes m 26   34 35   46 46 52.5 62 55 73  
B

Open

PCB

height z 18 16.5 19.5 19.5 26.5 26.5 26.5     33 40  
width x 16.5 20 19 26 26 25 37     36.5 51  
length y 19.5 21 26 26 26 34.6 34.6     43.5 60  
pin pitch p 5 ! ! ! ! 5.5 5.5     5.1    
row space r 10 12 12.2 18.5     17.5     23    
number of pins 6 4** 6 6   6 6     5    
C

Mumetal

can

PCB

height z 20.5 20.5 24 24 31 44            
dia 26 26 34 34 34 34            
pin pitch p 5 5 6.5 6.5 6.5 6.5            
row space r 10 10 17.7 17.7 17.7 17.7            
number of pins 6 6 6 6 6 6            
D

Mumetal can
Centre
 leads bottom

height z 20.5 20.5                    
dia 26 26                    
mount holes m 15 15                    
E

Mumetal can 
3/8 in threaded 
grommet (bush)

height z     31 31   43 52.5 52.5 52.5 52.5   58
dia     34 34   34 45 45 45 45   52
F

Mumetal can

Side leads

height z 21   24 24 31 37.5     52.5      
dia 22.5   34 34 34 34     45      
mount holes m 15   19 19 19 19     25.4      
G

Octal Base

height z                        
dia                        
I

Mumetal can

Centre leads top

height z             31.5 52.5 52.5 52.5    
dia             45 45 45 45    
mount holes m             25.4 25.4 25.4 25.4    
J
Mumetal can
Rectangular 
leads bottom
4 mounting screws
height z                     45  
Plan                     72
x 63
 
mount holes m                        

** = Up to 6 pins possible
! = U-pins can be formed to fit your spacing