1. CONFIGURATION & DIMENSIONS :

3. ELECTRICAL CHARACTERISTICS ( @ 25°C ) :

SUPERWORLD ELECTRONICS (S) PTE LTD

2. SCHEMATIC :

CS3-20 (F) SERIES

POWER TRANSFORMER

PG. 1

NOTE : Specifications subject to change without notice. Please check our website for latest information.

25.02.2008

7

5

8

1

4

" " indicates polarity

4.76(0.187)Dia. Mfg.

Holes

L

ML

A

3

4

2

7

86

W

9.53

(0.375)

1

5

B

Solder Lug Terminal

4.76(0.187)Quick Connect

6.35

(0.250)

3.96

(0.156)

41.28

(1.625)

3

SIZE

W

27.00

(1.063)

52.40

(2.063)

2.4

VA

L

H

30.18

(1.188)

44.45

(1.75)

14.30

(0.563)

A

B

ML

113.40

gram

UNIT : mm (inch)

a. Primary Voltage

AC 115 V 60 Hz .

b. No Load Primary Current

Less Than 10mA .

c. Secondary Voltage (±5%)

AC 24.50 V .

d. Secondary Load Current

0.12A .

e. Full Load Primary Current

Less Than 40mA .

f. Full Load Secondary Voltage (±5%)

20.00V .

Pin 5-7

Pin 1-2

g. DC Resistance

Pin 5-8 C.T. Pin 7

Primary = 320 Ohm .

Pin 7-8

h. Insulation Resistance

i. Withstand Voltage (Hi-Pot)

Secondary-1 = 10.35 Ohm .

DC 500V 100Meg Ohm Of More .

AC 2500V 60Hz 1 Minutes .

Less Than 60 Deg C .

EI-35 x 13.00 m/m .

j. Temperature Rise

k. Core Size

2669

l. Turns & Wire Gauge

Primary

288 x 2

Secondary

Pin 5-7-8

Pin 1-4

Turns Diameter

0.11 m/m .

0.20 m/m .

Turns Diameter

Pin 5-8 C.T. Pin 7

Secondary-2 = 10.35 Ohm .