Product Specification
产 品 规 格 书
Product Name :
Fast Acting Surface Mount Fuses
AEM Part Number : AF2-2.00V125TM
Revision: 5
Date: 2011-6-28
AEM Components (Suzhou) Co., Ltd
458 Shenhu Road, Suzhou Industrial Park
Jiangsu, P.R. China, 215122
TEL: 86-512-6258-0028
FAX: 86-512-6258-0018
www.aemchina.com
*.The specification is the property of AEM Components (Suzhou) Co.Ltd and shall not be copied or used
for commercial purposes without permission.
*.此规格书归AEM科技（苏州）有限公司所有。未经许可，不得复制及用于其它商业用途。
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Page: 1/10
Product Specification
Fast Acting Surface Mount Fuses
AEM Part Number:
AF2-2.00V125TM
1 Operating Temperature Range
-55℃ ~ +125℃ (with de-rating)
2 Ratings
Current
Rating (A)
AEM Part Number
AF2-2.00V125TM
2.00
Voltage Rating
AC
DC
250
125
Nominal Cold DCR
(Ω)a
2
Nominal I t
(A2s)b
0.042
2.75
a. Measured at ≤10% rated current and 25℃ ambient.
b. Melting I2t at 0.001 second pre-arcing time
3 Clearing Time Characteristics
% of current rating
Clear-time at 25 ℃
100%
4 hours ( min.)
200%
0.01 seconds ( min. )
5 seconds ( max. )
4 Interrupting Ratings:
2.00A
UL: 50 A @ 125 VDC, 50 A @ 125 VAC,300 A @ 32 VDC
100 A @250 VAC (Pending)
PSE (Pending): 50 A @ 125 VAC
TUV (Pending): 100 A @250 VAC, 50 A@ 125 VDC
5 Marking(Optional):
White marking character codes
2.00 A: I
6 Agency Approvals:
6.1 Recognized Under the Components Program of Underwriters Laboratories.
File Number: E232989
6.2 PSE (Pending)
6.3 TUV (Pending)
Page: 2/10
Product Specification
Fast Acting Surface Mount Fuses
AEM Part Number:
AF2-2.00V125TM
7 Shape and Dimensions: Inch (mm)
Size
L
W
T
BW
2410
(6125)
0.240 ± 0.006
0.098 ± 0.006
0.085 ± 0.008
0.053 ± 0.015
(6.10 ± 0.15)
(2.49 ± 0.15)
(2.16 ± 0.20)
(1.35 ± 0.38)
8 Product Identification
AF2 2.00 V125
T M
(1)
(4) (5)
(2)
(3)
(1)
Series code: AF2 - Fast Acting
(2)
Current rating code: 2.00 - 2.00 A
(3)
Voltage rating code: V125 - 125 VDC
(4)
Package code:
T - Tape & Reel
B - Bulk
(5)
Marking code: M - with mark
Page: 3/10
Product Specification
Fast Acting Surface Mount Fuses
AEM Part Number:
AF2-2.00V125TM
9. Time vs.Current Curve:
AF2-2.00V125TM
100
Time (S)
10
1
0.1
0.01
0.001
0.1
1
10
100
1000
Current (A)
Page: 4/10
Product Specification
Fast Acting Surface Mount Fuses
AEM Part Number:
AF2-2.00V125TM
10. I2t vs .t Curve:
AF2-2.00V125TM
100000
10000
I2t (A2s)
1000
100
10
1
0.1
0.01
0.001
0.01
0.1
1
10
100
Time (s)
Page: 5/10
Product Specification
Fast Acting Surface Mount Fuses
AEM Part Number:
AF2-2.00V125TM
11 Features
11.1 Fast acting at 200% overload
11.2 Excellent inrush current withstanding capability
11.3 Fiberglass enforced epoxy fuse body
11.4 Copper or copper alloy composite fuse link
11.5 Copper termination with nickel and tin plating
11.6 Halogen free, RoHS compliant and 100% lead-free
12 Typical Applications
12.1 Consumer electronics, e.g. LCD TVs, PDP, DVD, PCM etc.
12.2 Communication technology, e.g. telecom system, Networking,
modem, router, changer, base station etc.
12.3 Office automation electronics
12.4 IT products, e.g. LCD monitors, notebooks, PC servers etc.
12.5 White goods, lighting
12.6 Industrial equipments
12.7 Medical equipments
12.8 Power supplies, e.g. DC/DC converters, backlight drivers etc.
13 Recommended PC Board Land Pattern
Chip Size
L
INCH (mm)
G
INCH (mm)
H
INCH (mm)
W
INCH (mm)
2410 (6125)
0.270(6.86)
0.116 (2.95)
0.124 (3.15)
0.077 (1.96)
Page: 6/10
Product Specification
Fast Acting Surface Mount Fuses
AEM Part Number:
AF2-2.00V125TM
14 Recommended Temperature Profile for Reflow Soldering
15 Temperature De-rating Guideline
The ambient temperature affects the current carrying capacity of fuses. When a fuse is
operating at a temperature higher than 25℃, the fuse shall be “de-rated” according to
the de-rating curve.
Page: 7/10
Product Specification
Fast Acting Surface Mount Fuses
AEM Part Number:
AF2-2.00V125TM
16 Special Measuring Equipment
16.1 Clearing Time
Clearing time is measured with clearing time tester.
16.2 DC Resistance
DC resistance is measured with Keithley 580/Keithley 2010.
16.3 Interrupting rating
Interrupting rating is measured with short circuit tester.
17 Reliability Tests
Reliability Test
Test Condition and Requirement
Reflow & Bend
3 reflows at 245°C followed by a 2 mm bend, 10% DCR
change max., no mechanical damage
Solderability
245ºC, 5 seconds, new solder coverage ≥95%
Soldering Heat Resistance
260ºC, 10 seconds, 10% DCR change max., new solder
coverage ≥75%
Life
25ºC, 2000 hours, 80% rated current (75% for
