G3PB-2/-3

9

Heat Sink Area vs. Load Current

Note: The heat sink area refers to the combined area of the sides of the heat sink that radiate heat. In the case of G3PB-425B-3H-VD, when a

current of 18 A is allowed to flow through the SSR at 40

× 2 = 2,592) or longer.

Thermal Resistance Rth (Junction/SSR Back Surface)

Three-phase Models without Heat Sink

G3PB-225B-3H-VD

G3PB-425B-3H-VD

Ambient temperature: 80

°C

Ambient temperature: 40

°C

Load current (A)

Aluminum plate (t=3.0 mm)

Ambient temperature: 80

°C

Ambient temperature: 40

°C

Load current (A)

Aluminum plate (t=3.0 mm)

Model

Rth (

°C/W)

G3PB-215B-3H-VD

1.05

G3PB-225B-3H-VD

0.57

G3PB-235B-3H-VD

0.57

G3PB-245B-3H-VD

0.57