G3NA

6

Engineering Data

Load Current vs. Ambient Temperature

Note: The ambient operating temperature of the Y92B-P250NF is

−30 to 70°C. Be sure the operating temperature is within this range.

G3NA-205B

G3NA-210B/410B

G3NA-220B/420B

20

16

10

8

6

5

4

2

0

Ambient temperature (

°C)

Ambient temperature (

°C)

Ambient temperature (

°C)

Without heat sink

Without heat sink

Without heat sink

With standard heat sink

(Y92B-A100 or

Y92B-N50) or aluminum

plate measuring 75 mm

x 75 mm x t3.2 mm

(W x H x t)

With standard heat sink

(Y92B-A100 or

Y92B-N50) or aluminum

plate measuring 150 mm

x 150 mm x t3.2 mm

(W x H x t)

With iron plate measuring

100 x 100 x t0.8 (W x H x t)

With standard heat sink

(Y92B-A100 or

Y92B-N100) or aluminum

plate measuring 200 mm

x 200 mm x t3.2 mm

(W x H x t)

With iron plate measuring

100 x 100 x t0.8 (W x H x t)

G3NA-240B

G3NA-440B(-2)

50

45

40

30

20

12

10

6

4

2

G3NA-450B(-2)

Ambient temperature (

°C)

With standard heat sink

(Y92B-P250)

Without heat sink

50

45

40

30

20

12

10

6

4

2

−30−20

020

40

60

80

100

−30−20

020

40

60

80

100

−20

020

40

60

80

100

0

0

60

50

40

30

20

10

6

0

−30

Ambient temperature (

°C)

Ambient temperature (

°C)

Without heat sink

Without heat sink

With standard heat

sink (Y92B-A150N or

Y92B-N150)

With iron plate measuring

100 x 100 x t0.8 (W x H x t)

With standard heat

sink (Y92B-A150N

or Y92B-N150)

With iron plate measuring

100 x 100 x t0.8 (W x H x t)

With Y92B-A250

or heat sink with a

radiation efficiency

of 1

°C/W.

70

60

50

40

35

30

20

12

7

100

80

90

0

100

80

60 70

40

20

0

2

4A

G3NA-275B-UTU(-2)

G3NA-475B-UTU(-2)

G3NA-290B-UTU(-2)

G3NA-490B-UTU(-2)

70

75

60

50

40

30

20

10

12

7

80

0

100

80

60 70

40

20

0

−20

−30

2

4A

G3NA-D210B

20

10

6

5

4

2

0

100

80

60

40

20

0

Ambient temperature (

°C)

Ambient temperature (

°C)

Without heat sink

Without heat sink

With iron plate measuring

100 x 100 x t0.8 (W x H x t)

With iron plate measuring

100 x 100 x t0.8 (W x H x t)

0.6

°C/W with

Heat Sink

Using the Y92B-P250NF

0.3

°C/W with

Heat Sink

Using the Y92B-P250NF

Ambient temperature (

°C)

Without heat sink

With standard heat sink

(Y92B-A100 or Y92B-N50)

or aluminum plate measuring

150 mm x 150 mm x t3.2 mm

(W x H x t)

With iron plate measuring

100 x 100 x t0.8 (W x H x t)