Raychem Fast Acting Surface-Mount Fuses
Applications
• Laptops
• Digital cameras
• Cell phones
• Printers
• DVD players
• Portable electronics
• Game systems
• LCD displays
• Scanners
Benefits
• Small size with high current ratings
• Excellent temperature stability
• High reliability and resilience
• Strong arc suppression characteristics
Features
• Monolithic, multilayer design
• Lead-free construction
• High temperature performance
• -55° to +125°C operating range
0402SFF025F/24
0402SFF038F/24
0402SFF050F/24
0402SFF075F/24
0402SFF100F/24
0402SFF150F/24
0402SFF200F/24
0402SFF300F/24
0402SFF400F/24
Clear Time Characteristics (Fast Acting):
% of rated current Clear time at 25°C
100% 4 hours min.
250% 5 seconds max.
400% 0.05 seconds max.
0.028
(0.70)
0.063
0.016
(0.40)
(0.60)
(1.60)
0.024
50
32
35
24
0.039
(1.00)
0.110
0.024
(0.60)
(1.09)
(2.80)
0.043
125
63 50
32
45
24
0.071
(1.80)
0.173
0.059
(1.50)
(1.45)
(4.40)
0.057
0402 (1005mm) Fast Acting
Surface-mount Chip Fuses
0603 (1608mm) Fast Acting
Surface-mount Chip Fuses
1206 (3216mm) Fast Acting
Surface-mount Chip Fuses
0603SFF025F/32
0603SFF038F/32
0603SFF050F/32
0603SFF075F/32
0603SFF100F/32
0603SFF150F/32
0603SFF200F/32
0603SFF250F/32
0603SFF300F/32
0603SFF350F/32
0603SFF400F/32
0603SFF500F/32
0603SFF600F/24
1206SFF025F/125
1206SFF038F/125
1206SFF050F/63
1206SFF075F/63
1206SFF100F/63
1206SFF150F/63
1206SFF175F/63
1206SFF200F/63
1206SFF250F/32
1206SFF300F/32
1206SFF400F/32
1206SFF500F/32
1206SFF600F/24
1206SFF700F/24
1206SFF800F/24
Typical Electrical
Characteristics1
Part
Number
Recommended Land Patterns
Inch (mm)
Shape and Dimensions
Inch (mm)
Max
Interrupt Ratings1
Family
PRELIMINARY DATA
www.circuitprotection.com
Agency Approvals:
UL File# E197536
Voltage Current
(VDC) (A)
24 35
Rated Current Nominal Cold DCR2
(A) (Ω)
0.25 TBD
0.38 TBD
0.50 TBD
0.75 TBD
1.00 0.125
1.50 0.057
2.00 0.041
3.00 0.028
4.00 0.018
0.25 TBD
0.38 TBD
0.50 TBD
0.75 TBD
1.00 0.140
1.50 0.070
2.00 0.052
2.50 0.035
3.00 0.027
3.50 0.025
4.00 0.019
5.00 0.014
6.00 0.012
0.25 TBD
0.38 TBD
0.50 TBD
0.75 TBD
1.00 0.220
1.50 0.120
1.75 0.100
2.00 0.050
2.50 0.037
3.00 0.032
4.00 0.022
5.00 0.018
6.00 TBD
7.00 TBD
8.00 TBD
1. Measured at 25°C
2. Measured at 10% of rated current
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0.00001
0.0001
0.001
0.01
0.1
1
10
1 10 100
Current (A)
Clear Time (Sec)
A
BCDE
A = 100F/24
B = 150F/24
C = 200F/24
D = 300F/24
E = 400F/24
0402SFF Family Average Clear Time
0.001
0.01
0.1
1
10
100
1000
10000
0.00001 0.0001 0.001 0.01 0.1 1 10 100
Clear Time (Second)
I2T (A2 Sec)
A
B
C
D
E
A = 100F/24
B = 150F/24
C = 200F/24
D = 300F/24
E = 400F/24
0402SFF Family I2T vs. Clear Time
0.001
0.01
0.1
1
10
100
1000
10000
0.00001 0.0001 0.001 0.01 0.1 1 10 100
A
B
C
D
E
F
G
H
I
I2T (A2 Sec)
Clear Time (Second)
A = 100F/32
B = 150F/32
C = 200F/63
D = 250F/32
E = 300F/32
F = 350F/32
G = 400F/32
H = 500F/32
I = 600F/24
0603SFF Family I2T vs. Clear Time
0.00001
0.0001
0.001
0.01
0.1
1
10
100
1 10 100
Current (A)
Clear Time (Sec)
A
BCDE
F
GH
I
A = 100F/32
B = 150F/32
C = 200F/63
D = 250F/32
E = 300F/32
F = 350F/32
G = 400F/32
H = 500F/32
I = 600F/24
0603SFF Family Average Clear Time
Raychem Fast Acting Surface-mount Fuses
0.001
0.01
0.1
1
10
100
1000
10000
0.00001 0.0001 0.001 0.01 0.1 1 10 100
A
B
C
D
E
F
G
H
I2T (A2 Sec)
Clear Time (Second)
A = 100F/63
B = 150F/63
C = 175F/63
D = 200F/63
E = 250F/32
F = 300F/32
G = 400F/32
H = 500F/32
1206SFF Family I2T vs. Clear Time
0.00001
0.0001
0.001
0.01
0.1
1
10
100
1 10 100
Current (A)
Clear Time (Sec)
ABCDEFGH
A = 100F/63
B = 150F/63
C = 175F/63
D = 200F/63
E = 250F/32
F = 300F/32
G = 400F/32
H = 500F/32
1206SFF Family Average Clear Time
Raychem Fast Acting Surface-mount Fuses
Electrical Specifications
Insulation Resistance after Opening: 20,000 ohms minimum
Current Carrying Capacity: Withstands 100% rated current at
+25ºC ambient for 4 hours when
evaluated per MIL-PRF-23419
Environmental Specifications
Operating Temperature: -55ºC to +125ºC
Mechanical Vibration: Withstands 5-3000 Hz at 30 Gs when evaluated per Method 204 of MIL-STD-202
Mechanical Shock: Withstands 1500 Gs, 0.5 millisecond half-sine pulses when evaluated per Method 213 of MIL-STD-202
Thermal Shock: Withstands 100 cycles from -65ºC to +125ºC when evaluated per Method 107 of MIL-STD-202
Resistance to Soldering Heat: Withstands 60 seconds at +260ºC when evaluated per Method 210 of MIL-STD-202
Solderbility: Meets 95% minimum coverage requirement when evaluated per Method 208 of MIL-STD-202
Moisture Resistance: Withstands 10 cycles when evaluated per Method 106 of MIL-STD-202
Salt Spray: Withstands 48-hour exposure when evaluated per Method 101 of MIL-STD-202
Material Specifications
Construction Body Material: Ceramic
Termination Material: Silver, Nickel, Tin
Fuse Element: Silver
Terminal Strength: Hanging test: 0603: 0.5kg 30 seconds; 1206 1.5kg, 30 seconds; 0402 part types meet 2-pound push test
Packaging Specifications
Chip Size Parts on 7-inch (178 mm) Reel
0402 (1005) 10,000
0603 (1608) 4,000
1206 (3216) 3,000
Thermal Derating Current
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
-55 -35 -15 5 25 45 65 85 105 125
Maximum Operating Temperature (°C)
% of Hold Current
All information, including illustrations, is believed to be reliable. Users, however, should independently evaluate the suitability of each product for their application. Tyco
Electronics Corporation makes no warranties as to the accuracy or completeness of the information, and disclaims any liability regarding its use. Tyco Electronics’ only
obligations are those in the Company’s Standard Terms and Conditions of Sale for this product, and in no case will Tyco Electronics be liable for any incidental, indirect, or
consequential damages arising from the sale, resale, use or misuse of the product. Specifications are subject to change without notice. In addition, Tyco Electronics
reserves the right to make changes—without notification to Buyer—to materials or processing that do not affect compliance with any applicable specification.
©2004 Tyco Electronics Corporation. Printed in USA. RCP0055.0704.2500
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(650) 361-6900
Fax (650) 361-2508
www.circuitprotection.com
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www.raychem.co.jp/polyswitch (Japanese)
