AN2755

PFC coil specification

21/24

8.3

Mechanical aspect and pin numbering

●

Maximum height from PCB: 31 mm

●

Ferrite: Two symmetrical half cores, PQ40-30

●

Material grade: PC44 or equivalent

●

Central leg air gap: ~1 mm

●

Coil former type: vertical, 6+6 pins

●

Pin distance: 5 mm

●

Row distance: 45.5 mm

●

Cut pins: 9 - 12

●

External copper shield: not insulated (for EMI reasons), connected to pin 11 (GND)

Figure 29.

Pin side view

27.5 mm

11

1

12

10

3

2

45 mm

57 mm

4

6

5

9

7

8

10 mm

10

11

7

8

Soldering

points

Copper shield

soldering line

Tinned copper

wire

BARE COPPER

SHIELD (NOT

INSULATED):

10 mm x 0.05 mm

Manufacturer:

P/N:

Delta electronics

86H-5410B