Revision of May 2019 
Website:  www.aemchina.com & www.aemcomponents.com 
 
SolidMatrix
®
 Surface Mount Fuses 
FF Series (Very Fast Acting), 0603 Size 
•   Very fast acting at 200% and 300% overloads 
•  Excellent  inrush  current  withstanding  capability  at  high 
overloads 
•  Thin body for space limiting applications 
•  Glass ceramic monolithic structure 
•  Silver fusing element and silver termination with nickel and 
tin plating 
•  Symmetrical design with marking on both sides (optional) 
•  Operating  temperature  range:  -55°C  to  +150°C  (with  de-
rating) 
Part Number 
Current 
Rating(A) 
Voltage Rating
(VDC) 
Interrupting 
Ratings 
Nominal Cold 
DCR(Ω)
1
 
Nominal I
2
t 
(A
2
s)
2
 
Marking 
(Optional)
3
 
F0603FF0500V032TM  0.5  32 
50 A at rated 
voltage 
1.000  0.0093  C 
F0603FF0750V032TM  0.75  32  0.450  0.0191  D 
F0603FF1000V032TM  1.0  32  0.280  0.036  E 
F0603FF1250V032TM  1.25  32  0.205  0.063 
35 A at rated 
voltage 
F 
F0603FF1500V032TM  1.5  32  0.143  0.095  G 
F0603FF1750V032TM  1.75  32  0.095  0.14  H 
F0603FF2000V032TM  2.0  32  0.073  0.21  I 
F0603FF2500V032TM  2.5  32  0.046  0.30  J 
F0603FF3000V032TM  3.0  32  0.039  0.46  K 
F0603FF3500V032TM  3.5  32  0.028  0.73  L 
F0603FF4000V032TM  4.0  32  0.023  1.15  M 
F0603FF4500V032TM  4.5  32  0.019  1.68  T 
F0603FF5000V032TM  5.0  32  0.015  2.62  N 
% of  Current Rating  Clearing Time at 25°C   
100%   4 hours min.   
200%   0.01 seconds min.   5 seconds max. 
300%   0.001 seconds min.   0.2 seconds max. 
Features: 
Shape and Dimensions: Clearing Time Characteristics: 
Unit  Inch  mm 
L 
0.063 ± 0.006  1.60 ± 0.15 
W 
0.031 ± 0.006  0.80 ± 0.15 
T 
0.012 + 0.007 / -0.003  0.30 + 0.18 / -0.08 
B 
0.014 ± 0.006  0.36 ± 0.15 
Agency Approval: 
Recognized Under the Components Program of UL. 
File Number: E232989. 
Patents: 
Ordering Information: 
1. Measured at ≤ 10% rated current and 25
o
C ambient.        2. Melting I
2
t at 0.001 second pre-arcing time.        3. Blue Marking Character Code. 
W 
T 
B 
L 
Patent numbers “US6,602,766”, “US7,268,661 B2”, 
“ZL02114719.1”, “ZL200410104280.7”, “ZL201020551360.8”, 
“ZL201010299185.2”, “ZL201220030614.0”, 
“ZL201210020693.1”. 
 
 