Type 3AG

2 / 4

Bel Fuse Inc.

300 Executive Drive, Suite 300,

West Orange, NJ 07052 USA

+1 201.432.0463

Bel.US.CS@belf.com

belfuse.com/circuit-protection

© 2025 Bel Fuse, Inc.

Rev. 3AG Feb2025

Environmental Specifications

Shock Resistance

MIL-STD-202G, Method 213B, Test Condition 1

(100 G's peak for 6 milliseconds; Sawtooth waveform)

Vibration Resistance

MIL-STD-202G, Method 201A (10-55 Hz, 0.06 inch, total excursion).

Salt Spray Resistance

MIL-STD-202G, Method 101E, Test Condition B (48 hrs).

Insulation Resistance

MIL-STD-202G, Method 302, Test Condition A

(After Opening) 10,000 ohms minimum.

Solderability

MIL-STD-202G, Method 208H

Resistance to solder Heat

MIL-STD-202G, Method 210F, Test Condition B (260+/-5

℃,10+/-1 sec)

Thermal Shock

MIL-STD-202G, Method 107G, Test Condition B (-65

℃ to +125℃).

Operating Temperature

-55

℃ to +125℃

Terminal Strength

IEC-68-2-21

Electrical Specifications

Consult manufacturer for other ratings

Catalog Number

Ampere

Rating

Typical

Cold

Resistance

(ohms)

Volt-drop

@100%In

(Volt) max.

Voltage and

Interrupting

Ratings

Melting I²T

<10 mSec

(A²Sec)

Melting I²T

@10 In

(A²Sec)

Maximum

Power

Dissipation

(W)

Agency

Approvals

3AG 500-R

500mA

1.19

3.17

See Table of

Safety Approvals

on Page 1 for

Voltage and

associated

Interrupting

Ratings

0.14

0.11

1.88

Y

Y

3AG 750-R

750mA

0.66

2.54

0.19

0.17

2.15

Y

Y

3AG 1-R

1A

0.155

0.28

1.4

1.4

0.37

Y

Y

3AG 1.25-R

1.25A

0.114

0.27

2.4

2.5

0.44

Y

Y

3AG 1.6-R

1.6A

0.085

0.27

4.2

4.4

0.51

Y

Y

3AG 2-R

2A

0.057

0.22

7.2

7.6

0.59

Y

Y

3AG 2.5-R

2.5A

0.043

0.21

12

13

0.70

Y

Y

3AG 3-R

3A

0.033

0.17

21

23

0.83

Y

Y

3AG 3.5-R

3.5A

0.027

0.18

28

31

0.91

Y

Y

3AG 4-R

4A

0.024

0.17

36

40

1.00

Y

Y

3AG 5-R

5A

0.018

0.16

63

70

1.20

Y

Y

3AG 6-R

6A

0.014

0.15

107

123

1.40

Y

Y

3AG 7-R

7A

0.012

0.16

141

162

1.60

Y

Y

3AG 8-R

8A

0.010

0.15

184

214

1.70

Y

Y

3AG 10-R

10A

0.008

0.13

316

372

2.00

Y

Y

3AG 12-R

12A

0.006

0.13

501

597

2.40

Y

Y

3AG 15-R

15A

0.005

0.13

1400

1500

1.80

Y

Y

Specifications subject to change without notice