SF45N050TTE [KOA]
chip type resettable fuses; 片式自恢复保险丝型号: | SF45N050TTE |
厂家: | KOA SPEER ELECTRONICS, INC. |
描述: | chip type resettable fuses |
文件: | 总2页 (文件大小:88K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
SF
chip type resettable fuses
EU
features
• Quickly breaks extraordinary current
• Small size SMD type
• The least rise in resistance after reflow soldering
• Latched if when extraordinary current continues
• The least rise in resistance by repeating trips
• UL143A File No. E250106
• c-UL CAN/CAS-C222, No.0 and Technical Information
Letter No. CA-3A File No. E250106 approved
• Marking: Green body color
• Products with lead-free terminations meet EU RoHS
and China RoHS requirements
dimensions and construction
Dimensions inches (mm2
L
Type
L
W
h
a
a
a
SF45
(1812)
.177 .008
(4.5±±.ꢀ2
.126 .008
(3.ꢀ±±.ꢀ2
.016 .008
(±.4±±.ꢀ2
.020 .008
(±.5±±.ꢀ2
W
h
Outer
Inner
Electrode
Protective
Coating
Element
Electrode
ordering information
New Part #
SF
45
N
110
T
TE
Hold
Current
Termination
Material
Type
Style
Characteristic
Packaging
45: 4.5 x 3.2mm
N: Normal
050: 0.50A
075: 0.75A
110: 1.1A
T: Sn
TE: Embossed plastic tape
For further information on packaging,
please refer to Appendix A.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
1/06/09
181
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
SF
chip type resettable fuses
applications and ratings
Max. Rated
Voltage
(DCV)
Max. Rated
Current
(A)
Trip
Current
(A)
Initial
Resistance
Power
Operating
Part
Designation
Hold
Rating
Resistance R after Tripping Dissipation Temperature
Type (Ω)
R1 Max. (Ω)
PD (W)
Range
SF45N050
SF45N075
SF45N110
0.50A
1.10A
15.0
6.0
1.00
2.20
0.49
0.15
0.85
0.21
-40°C
to
+85°C
40
0.6
environmental applications
Derating Curve
Time to Trip Characteristics
160
140
120
100
80
1000
100
10
1
60
40
20
0
.1
-55 -35 -15
5
25
45
65
85
105 125
Ambient Temperature
(°C)
.01
R-T Characteristics
.001
100k
.0001
0.1
1
10
100
10k
1k
Current
(A)
100
10
1
0.1
0
50
100
150
Temperature
(°C)
Performance Characteristics
Requirement
Limit
Parameter
Test Method
Use the device which has been left for 15 minutes or more in 25°C
set voltage to be applied to the element at maximum rated voltage.
And set current to be applied within the range between trip current
and maximum rated current
Without damage under 24 hours
of current sending
Trip Endurance
Use the device which has been left for 15 minutes or more in 25°C
set voltage and current to be applied to maximum rated voltage
and maximum rated current respectively. Apply rated voltage for
5 seconds and 55 seconds off
Trip Cycle Life (ON-OFF Test)
Without damage after 1000 cycles
Heat Resistance
Cold Resistance
85°C 3°C, 1000 hours
-40°C 3°C, 1000 hours
Without Damage
Without Damage
Without Damage
Without Damage
85°C 3°C, 85% RH, 1000 hours
Humidity Resistance
Heat-Cold Cycling
-40°C 3°C (30 minutes), +85°C 3°C (30 minutes), 20 cycles
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
2/22/08
—
182
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
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