Panasonic ALFG2PF12 PCB Mount Relay ALFG2PF12 数据表

LF-G (ALFG)

5

ds_61B12_en_lfg: 240913D

 High capacity type (Contact Gap 1.8 mm 

(mm 

inch

)

Certification authority

Standard type

High capacity type

Contact Gap 1.5 mm 

.059 inch

 type

Contact Gap 1.8 mm 

.071 inch

 type

Contact Gap 1.5 mm 

.059 inch

 type

Contact Gap 1.8 mm 

.071 inch

 type

UL/C-UL

22A 277V AC General Use (at 85

C 

185

F

)

31A 277V AC General Use (at 85

C 

185

F

)

33A 277V AC General Use (at 85

C 

185

F

)

VDE (VDE0435)

22A 250V AC cos

 = 0.8 (at 85C 

185

F

)

31A 250V AC cos

 = 0.8 (at 85C 

185

F

)

33A 250V AC cos

 = 0.8 (at 85C 

185

F

)

1. Coil temperature rise

Sample: ALFG2PF091, 6 pcs.
Point measured: coil inside
Ambient temperature: 20

C 

68

F

, 60

C 

140

F

Contact carrying current: 33A

2. Ambient temperature characteristics and coil 
applied voltage

0

32

10

50

20

68

30

86

40

104

50

122

60

140

70

158

80

176

90

194

180

140

100

60

Coil applied voltage, %V

Ambient temperature, 

°C

°F

Contact carrying 
current: 33A

Pick-up voltage

Coil & contact

no carrying current

*Inside the coil temperature

155

°C

311

°F

(UL Class F)

Allowable ambient temperatures
against % coil voltages
(max. inside the coil temperature
set as 155

°C

311

°F

)

0

32

10

50

20

68

30

86

40

104

50

122

60

140

70

158

80

176

90

194

180

140

100

60

Coil applied voltage, %V

Ambient temperature, 

°C

°F

Contact carrying 
current: 33A

Pick-up voltage

Coil & contact

no carrying current

*Inside the coil temperature

155

°C

311

°F

(UL Class F)

Allowable ambient temperatures
against % coil voltages
(max. inside the coil temperature
set as 155

°C

311

°F

)

3. Electrical life test 
(33A 250V AC cos

 = 0.8 Inductive load)

Sample: ALFG2PF091, 6 pcs.
Operation frequency: ON:OFF = 0.1s:10s
Ambient temperature: 85

C 

185

F

Circuit:

Change of pick-up and drop-out voltage

Change of contact resistance

Contact welding detection 

and Mis-contacting 

detection circuit

250V AC

9V DC

Pick-up and drop-out voltage, V

No. of operations, x10

4

3

0

10

9

8

7

6

5

4

3

2

1

0

Max.

Min.

x

Max.

Min.

x

Pick-up voltage

Drop-out voltage

No. of operations, x10

4

Max.

Min.

x

Contact resistance, m

Ω

3

0

100

90

80

70

60

50

40

30

20

10

0

from our Web site.

External dimensions

23.3

.917

4.0

.157

0.5

.020

15.7

.618

12.0

.472

22.0

.866

27.6

1.087

30.1

1.185

Dimension:

General tolerance

Max. 1mm 

.039 inch

:

0.1 

.004

1 to 3mm 

.039 to .118 inch

:

0.2 

.008

Min. 3mm 

.118 inch

:

0.3 

.012

PC board pattern (Bottom view)

Tolerance: 

0.1 

.004

Schematic (Bottom view)

10.0

±0.1

.394

±.004

27.6

±0.1

1.087

±.004

12.0

±0.1

.472

±.004

13.8

±0.1

.543

±.004

12.0

±0.1

.472

±.004

1.8 dia.

.071 dia.

1.8 dia.

.071 dia.

2.0 dia.

.079 dia.

2.0 dia.

.079 dia.

NO

COM