RXEF250 TE Connectivity, RXEF250 Datasheet - Page 5
![FUSE, PTC RESET, 72V, 2.5A, RADIAL](/photos/41/57/415704/prrxef160_sml.jpg)
RXEF250
Manufacturer Part Number
RXEF250
Description
FUSE, PTC RESET, 72V, 2.5A, RADIAL
Manufacturer
TE Connectivity
Series
RXEFr
Specifications of RXEF250
Holding Current
2.5A
Tripping Current
5A
Initial Resistance Max
0.08ohm
Operating Voltage
72V
Ptc Fuse Case
Radial Leaded
Initial Resistance Min
0.05ohm
Resistance R1
0.13ohm
Rohs Compliant
Yes
Hold Current
2.5A
Trip Current
5A
Initial Resistance (min)
50mOhm
Initial Resistance (max)
80mOhm
Voltage Rating Max
72V
Trip Time (max)
15.6@12.5As
Power Dissipation (typ)
2.5W
Post Trip Resistance (max)
130mOhm
Wire Form
Straight
Agency Approvals
CSA/TUV/UL
Operating Temperature Min Deg. C
-40C
Operating Temperature Max Deg. C
85C
Brand/series
PolySwitch®/RXEF Series
Current, Rating
2.5 A
Dimensions
0.82x0.12x1 "
Material, Body
Epoxy Polymer
Mounting Type
PCB
Primary Type
Resettable
Resistance, Dc
0.08 Ohms
Termination
Radial
Voltage, Rating
72 VDC
Agency Recognition
UL, CSA, TUV
Ul File Number
E74889
Csa File Number
A78165
Vmax (v)
72
Imax (a)
40
Ih (room Temperature) (a)
2.5
It (room Temperature) (a)
5.00
Rmin (?)
0.05
Rmax (?)
0.080
R1 Max [post Trip] (?)
0.13
Power Dissipation (typical) (w)
2.50
Construction
Radial
Lead Type
Straight
Family Name
RXEF
Coating
Coated
Rohs/elv Compliance
RoHS compliant, ELV compliant
Lead Free Solder Processes
Wave solder capable to 240°C, Wave solder capable to 260°C, Wave solder capable to 265°C
Rohs/elv Compliance History
Always was RoHS compliant
Tuv Certificate No.
Available on request (per IEC 60730-1)
Operating Temperature (max.) (°c)
85
Application
Radial
Packaging Method
Bulk
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
RXEF250
Manufacturer:
RYC
Quantity:
54 380
Company:
Part Number:
RXEF250
Manufacturer:
RAYCHEM
Quantity:
302
Company:
Part Number:
RXEF250-2
Manufacturer:
RYC
Quantity:
28 000
Table R2 - Thermal Derating for Radial-leaded Devices [Hold Current (A) at Ambient Temperature (°C)]
Part Number
RHEF
16V - High Temperature
RHEF650
RHEF700
RHEF750
RHEF800
RHEF900
RHEF1000
RHEF1100
RHEF1300
RHEF1400
RHEF1500
RUSBF
6V
RUSBF075
RUSBF120
RUSBF155
Figures R1-R5 - Thermal Derating Curve for Radial-leaded Devices
A=LVR
B=LVRL
RXEF and
BBRF
Maximum Ambient Temperature
-40°C
8.80
9.51
10.20
10.87
12.21
13.60
14.94
17.70
19.01
20.40
1.05
1.69
2.17
-20°C
8.10
8.73
9.40
9.98
11.19
12.50
13.72
16.30
17.46
18.80
0.95
1.52
1.96
Figure R1
Figure R2
200
150
100
160
150
140
130
120
110
100
50
90
80
70
60
50
40
30
0
0°C
7.40
7.95
8.60
9.08
10.16
11.40
12.49
14.80
15.89
17.10
0.85
1.36
1.75
–40
-30
-20
20°C
6.70
7.20
7.70
8.23
9.26
10.30
11.31
13.40
14.40
15.50
0.75
1.20
1.55
B
A
–20
-10
25°C
6.50
7.00
7.50
8.00
9.00
10.00
11.00
13.00
14.00
15.00
0.73
1.16
1.50
0
40°C
5.70
6.17
6.60
7.06
7.97
8.80
9.70
11.40
12.35
13.20
0.65
1.04
1.34
0
10
Ambient Temperature (°C)
Ambient Temperature (°C)
20
50°C
5.30
5.61
6.10
6.41
7.20
8.10
8.82
10.50
11.22
12.10
0.60
0.96
1.24
20
30
60°C
4.80
5.15
5.60
5.88
6.56
7.40
8.09
9.60
10.29
11.10
0.55
0.88
1.14
40
40
70°C
4.30
4.66
5.00
5.33
6.04
6.60
7.32
8.60
9.32
9.90
0.50
0.80
1.03
50
60
85°C
3.60
3.88
4.10
4.43
5.01
5.50
6.09
7.20
7.76
8.30
0.43
0.68
0.88
60
70
125°C
1.60
1.73
1.90
1.97
2.19
2.50
2.71
3.30
3.45
3.80
—
—
—
80
...
80
Cont'd
90
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