u209b3 ETC-unknow, u209b3 Datasheet - Page 10

• Manufacturer Part Number: u209b3
• Description: Phase Control Circuit Tacho Applications
• Manufacturer: ETC-unknow

Rev. A1: 01.09.1995
Applications
TELEFUNKEN Semiconductors
230 V
L
N
M
1N4004
Figure 18. Phase control (power control) for electric tools
C
D
R
1
1
1
Preliminary Information
18 k
1.5 W
22 F
25 V
220 k
470 k
R
R
3
4
14
1
22 nF
C
3
U209B3/ U209B3–FP
13
2
GND
12
3
22 F
10 V
–V
U209B
S
11
4
470 k
C
R
4
2
10
5
33 k
R
R
C
5
2
9
6
100 k
C
3.3 nF
/t
8
7
11 (15)
R
6