IRC TT F507 U.l. approved dual function fuse resistor Datasheet

U.L. Approved Dual Function
Fuse Resistors
F500 Series
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Affords protection for semiconductor devices
Acts as a precision wirewound resistor and a fuse
Allows precise control of fusing point and time lag
Reduces the number of discrete components required
Eliminates unnecessary blowing due to transient conditions
Eliminates fire hazard and circuit board damage due to overheated components
Electrical Data
IRC
Style
Steady State
Resistance
Dissipation
(ohms)
Current
(watts)
Blow Condition I
Current
Blow Condition II
Dissipation Blow Time
(watts)
(T max)
Current
Dissipation
(watts)
Blow Time
(T max)
F501
0.2
2.2A
1
10A
20
500ms
25A
125
50ms
F502
0.2
2.2A
1
10A
20
300ms
25A
125
30ms
F503
0.5
1.4A
1
6A
18
10sec
15A
112
100ms
F504
0.5
1.4A
1
6A
18
500ms
15A
112
50ms
F505
0.5
1.4A
1
6A
18
50ms
15A
112
10ms
F506
1
1.0A
1
4A
16
10sec
10A
100
100ms
F507
1
1.0A
1
4A
16
500ms
10A
100
50ms
F508
1
1.0A
1
4A
16
50ms
10A
100
10ms
F509
2
700ma
1
3A
18
10sec
7A
98
50ms
F510*
2
700ma
1
3A
18
200ms
7A
98
50ms
F511*
2
700ma
1
3A
18
50ms
7A
98
10ms
F512*
5
450ma
1
2A
20
200ms
4.5A
101
50ms
F513*
5
400ma
0.8
1.5A
10
50ms
4.0A
80
10ms
F514*
5
350ma
0.6
1.0A
5
100ms
1.4A
10
20ms
F515*
10
300ma
0.9
1.2A
14
200ms
3.0A
90
10ms
F516*
10
300ma
0.9
1.0A
10
100ms
1.3A
17
50ms
F517*
10
200ma
0.4
600ma
3.6
100ms
900ma
8
50ms
F518*
20
220ma
1
600ma
7.2
10sec
900ma
16
100ms
F519*
20
220ma
1
600ma
7.2
100ms
900ma
16
50ms
F520*
20
150ma
0.4
350ma
2.4
500ms
450ma
4
50ms
F521*
50
140ma
1
400ma
8.0
500ms
600ma
18
50ms
F522*
50
130ma
0.8
350ma
6.1
100ms
450ma
10
50ms
F523*
50
80ma
0.3
200ma
2.0
200ms
240ma
2.9
50ms
F524*
100
100ma
1
250ma
6.2
10sec
300ma
9.0
100ms
F525*
100
80ma
0.6
200ma
4.0
200ms
250ma
6.2
50ms
F526*
100
60ma
0.4
140ma
2.6
10sec
180ma
3.2
200ms
F527*
200
70ma
1
200ma
8.0
10sec
250ma
12.5
100ms
F528*
200
60ma
0.8
150ma
4.0
100ms
250ma
12.5
10ms
*UL LISTED - Add "S" To Style Description
Contact factory for specification limits beyond these listed.
General Note
IRC reserves the right to make changes in product specification without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print.
Wire and Film Technologies Division • 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
A subsidiary of
TT electronics plc
F500 Series Issue October 2008 Sheet 1 of 2
U.L. Approved Dual Function
Fuse Resistors
IRC Advanced Film Division
Capability Data
Resistance Range
0.2Ω to 200Ω
Resistance Tolerance
10% STD, 5% and 2%
Operating Temperature
-55°C to +150°C
TCR
Construction
±150ppm <1W, ±50ppm, 1W and above
Intrinsically safe single fusing element - all welded construction - ceramic bobbin - ceramic
shell, air encapsulated.
Flameproof construction
Various quality assurance data options available, including conditioning and plot of blow
time vs. current.
Physical Data
Lead
Length
1.25 Min
(31.75mm)
0.140 ± 0.015
(3.6 ± 0.4mm)
(Lead Diameter #24 Awg)
0.020” (0.5mmA)
0.400 Max
(10.2 mm)
Ordering Data
Contact factory for ordering information.
Wire and Film Technologies Division • 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
F500 Series Issue October 2008 Sheet 2 of 2
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