PCB Relay

G5CA

189

Precautions

■ Precautions for Correct Use

Installation

Make sure that sufficient space is provided between relays when

installing two or more relays side by side to facilitate heat dissipation.

Insufficient heat dissipation may result in the relay malfunctioning.

.

Quick-connect Terminal Connections

• Do not pass current through the PCB of the load contact terminals

(quick-connect terminals).

• The terminals are compatible with Faston receptacle #187 and are

suitable for positive-lock mounting.

Use only Faston terminals with the specified numbers. Select leads

for connecting Faston receptacles with wire diameters that are

within the allowable range for the load current. Do not apply exces-

sive force to the terminals when mounting or dismounting the Fas-

ton receptacle.

Insert and remove terminals carefully one at a time. Do not insert

terminals on an angle, or insert/remove multiple terminals at the

same time.

The following positive-lock connectors made by AMP are recom-

mended. Contact the manufacturer directly for details on connec-

tors including availability.

.

Note: The numbers shown in parentheses are for air-feeding.

Charged Terminals

The section marked with dotted circles (indicated by arrows) in the

following diagram includes the charged terminals of the relay. When

the relay is mounted on a PCB, make sure that there are no metal

patterns on the section of the PCB facing the portion of the relay

shaded in the following diagram.

.

Other Precautions

• The G5CA is a power relay designed for applications switching

power loads such as heaters in electric household appliances. Do

not use the G5CA to switch micro loads less than 100 mA, such as

in signal applications.

• Use fully sealed models if the relays will require washing. Flux-pro-

tection models may malfunction or the relay's performance may be

otherwise adversely affected if cleaning fluid enters the relay.

Mounting Holes

(BOTTOM VIEW)

Tolerance: ±0.1 mm

Terminal Arrangement/

Internal Connections

(BOTTOM VIEW)

G5CA-1A-TP-E

Two, 1 dia.

Four, 1.2 dia.

elliptic holes

1.8

14.25

6.25

21.1

16.1

1.6

17.78

5

4

3

2

1

(TOP VIEW)

(BOTTOM VIEW)

0.5

0.6

14.25

17.78

22.1max.

(21.9)*

25.1max.

(24.9)*

11

(10.9)*

0.5

4.8

3.2

1

0.3

1.35

6.35

13.3

4.9

1.3 dia.

5

16.1

0.3

3.6

* Average value

(No coil polarity)

Type

Receptacle terminals

(see note)

Positive housing

#187 terminals

(width: 4.75 mm)

AMP 170330-1

(170324-1)

AMP 170331-1

(170325-1)

AMP 170332-1

(170326-1)

AMP 172074-1 (natural

color)

AMP 172074-4 (yellow)

AMP 172074-5 (green)

AMP 172074-6 (blue)

Pitch:

2.54 mm

× 4 min.

between terminals

Pitch: 2.54 mm

× 3 min. between terminals

12.7

8

6.5

0.18

Charged

terminals