PolySwitch Resettable Devices
– Radial-Leaded Devices
PolySwitch Resettable Devices
Radial-Leaded Devices
TE Circuit Protection’s PolySwitch radial-leaded products
represent the most comprehensive and complete set of
PPTC products available in the industry today:
• RGEF series for hold currents up to 14A
• RHEF series for flatter thermal derating and operating
temperatures up to 125°C
• RUEF series for balance of voltage rating (30V) and
hold current (up to 9A)
• RUSBF series for fast time-to-trip and low-resistance
computer applications
• RXEF series for low hold currents (down to 50mA)
and high voltage rating (up to 72V)
• RKEF series for balance of voltage rating (60V) and
hold current (up to 5A)
• Now offering halogen a free versions of all products
Benefits
• Many product choices help provide engineers more
design flexibility
• Compatible with high-volume electronics assembly
• Assists in meeting regulatory requirements
• Higher voltage ratings allow use in new applications
Features
• RoHS compliant
• Halogen free (refers to: Br≤900ppm, CI≤900ppm,
Br+CI≤1500ppm)
• Broadest range of radial-leaded resettable devices
available in the industry
• Current ratings from 50mA to 15A
• Voltage ratings from 6V (computer and electronic
applications) to 99V
• Agency recognition : UL, CSA, TÜV
• Fast time-to-trip
• Low resistance
Applications
• Satellite video receivers
• Industrial controls
• Transformers
• Computer motherboards
• Modems
• USB hubs, ports and peripherals
• IEEE 1394 ports
• CD-ROMs
• Game machines
• Battery packs
• Phones
• Fax machines
• Analog and digital line cards
• Printers
11
RoHS Compliant, ELV Compliant
HF
Halogen Free
169
Application Selection Guide for Radial-Leaded Devices
The guide below lists PolySwitch radial-leaded devices that are typically used in each of the applications described.
Specifications for the suggested device part numbers can be found in this section.
Once a part number has been selected, the user should evaluate and test each product for its intended application.
PolySwitch Resettable Devices — Key Selection Criteria
Protection Application
Electromagnetic Loads
Halogen Lighting
Lighting Ballast
Loudspeakers
Medical Equipment
MOSFET Devices
Motors, Fans and Blowers
POS Equipment
Process and Industrial Controls
Satellite Video Receivers
Security and Fire Alarm Systems
Test and Measurement Equipment
Transformers
DDC Computer and Consumer Electronics
Mouse and Keyboard
SCSI
USB
Traces and Printed Circuit Board Protection
Small Size
RGEF (<16V), RUEF (<30V)
RGEF (<16V), RUEF (<30V)
RXEF (<72V), BBRF (<99V)
RXEF (<72V)
RGEF (<16V), RUEF (<30V)
RGEF (<16V), RUEF (<30V)
RXEF (<72V), RGEF (<16V)
RXEF (<72V), RUEF (<30V)
RXEF (<72V), RUEF (<30V)
RGEF (<16V), RUEF (<30V)
RGEF (<16V), RUEF (<30V)
RGEF (<16V), RUEF (<30V)
RGEF (<16V), RUEF (<30V)
RUEF (<30V)
RUEF (<30V)
RUEF (<30V)
RUSBF (<16V)
RGEF (<16V), RUEF (<30V)
RHEF (<16V)
RXEF (<72V), RKEF(<60V)
RHEF (<16V)
RHEF (<16V)
RHEF (<16V)
RHEF (<16V)
RXEF (<72V), RKEF(<60V)
RXEF (<72V), RKEF(<60V)
RXEF (<72V), RKEF(<60V)
RXEF (<72V), RKEF(<60V)
RHEF (<16V)
RHEF (<16V)
RHEF (<16V)
RXEF (<72V), RKEF(<60V)
RXEF (<72V), RKEF(<60V)
RXEF (<72V), RKEF(<60V)
Flatter
Derating
RHEF (<16V)
RHEF (<16V)
Lower Current
Higher Voltage
RXEF (<72V), RKEF(<60V)
RXEF (<72V), RKEF(<60V)
Note :
This list is not exhaustive. TE Circuit Protection welcomes customer input for additional application ideas for PolySwitch resettable devices.
Table R1
Product Series - Current Rating, Voltage Rating / Typical Resistance for
Radial-Leaded Devices
RXEF
72V
RKEF
60V
RXEF
60V
RUEF
30V
RGEF
16V
RHEF
16V
RHEF
30V
RUSBF
16V
RUSBF
6V
Voltage Rating
Hold Current (A)
0.050
0.100
0.170
0.200
0.250
0.300
0.400
0.500
0.550
—
—
—
2.290Ω
1.600Ω
1.110Ω
0.710Ω
0.640Ω
—
0.400Ω
—
0.325Ω
0.255Ω
—
0.200Ω
—
0.155Ω
—
0.115Ω
0.100Ω
—
—
—
—
—
—
—
—
0.425Ω
—
0.350Ω
—
0.295Ω
0.255Ω
—
0.225Ω
—
0.165Ω
—
0.150Ω
0.106Ω
—
9.20Ω
3.50Ω
4.30Ω
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.095Ω
—
0.075Ω
—
0.060Ω
—
0.050Ω
0.045Ω
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.68Ω
—
—
0.42Ω
—
—
0.24Ω
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.100Ω
—
0.075Ω
—
0.060Ω
—
0.050Ω
0.045Ω
—
—
—
—
—
—
—
—
—
—
—
—
0.140Ω
—
—
—
0.080Ω
—
0.058Ω
—
—
—
11
0.650
0.700
0.750
0.900
1.000
1.100
1.200
1.350
1.550
1.600
1.850
1.900
170
RoHS Compliant, ELV Compliant
HF
Halogen Free
PolySwitch Resettable Devices
– Radial-Leaded Devices
Table R1
Product Series - Current Rating, Voltage Rating / Typical Resistance for
Radial-Leaded Devices
RXEF
72V
RKEF
60V
RXEF
60V
RUEF
30V
RGEF
16V
RHEF
16V
RHEF
30V
RUSBF
16V
Cont’d
RUSBF
6V
Voltage Rating
Hold Current (A)
2.000
2.500
3.000
3.750
4.000
4.500
5.000
5.500
6.000
6.500
7.000
7.500
8.000
9.000
10.00
11.00
12.00
13.00
14.00
15.00
HF
Halogen Free
—
0.065Ω
0.050Ω
0.040Ω
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.063Ω
0.040Ω
0.029Ω
0.026Ω
—
0.021Ω
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.030Ω
0.035Ω
—
0.020Ω
—
0.020Ω
—
0.013Ω
—
0.013Ω
—
0.013Ω
0.008Ω
—
—
—
—
—
—
—
0.0380Ω
0.0514Ω
—
0.0300Ω
—
0.0192Ω
—
0.0145Ω
—
0.0105Ω
—
0.0086Ω
0.0070Ω
0.0056Ω
0.0050Ω
0.0046Ω
—
0.0040Ω
—
0.0610Ω
—
0.0430Ω
—
0.0320Ω
0.0290Ω
—
0.0200Ω
0.0175Ω
0.0144Ω
0.0132Ω
0.0120Ω
0.0110Ω
0.0100Ω
0.0083Ω
0.0073Ω
—
0.0055Ω
0.0050Ω
0.0050Ω
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.030Ω
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Table R2
Thermal Derating for Radial-Leaded Devices
[Hold Current (A) at Ambient Temperature (°C)]
Maximum Ambient Temperature
-40°C
-20°C
0°C
20°C
25°C
40°C
50°C
60°C
70°C
85°C
125°C
Part Number
RXEF
60V
RXEF005
RXEF010
RXEF017
RXEF
72V
RXEF020
RXEF025
RXEF030
RXEF040
RXEF050
RXEF065
RXEF075
RXEF090
RXEF110
RXEF135
RXEF160
RXEF185
RXEF250
RXEF300
RXEF375
0.078
0.160
0.260
0.068
0.140
0.230
0.06
0.11
0.21
0.05
0.10
0.17
0.048
0.096
0.160
0.04
0.08
0.14
0.035
0.072
0.120
0.032
0.067
0.110
0.027
0.050
0.090
0.02
0.04
0.07
—
—
—
0.31
0.39
0.47
0.62
0.78
1.01
1.16
1.40
1.71
2.09
2.48
2.87
3.88
4.65
5.81
0.27
0.34
0.41
0.54
0.68
0.88
1.02
1.22
1.50
1.84
2.18
2.52
3.40
4.08
5.10
0.24
0.30
0.36
0.48
0.60
0.77
0.89
1.07
1.31
1.61
1.90
2.20
2.98
3.57
4.46
0.20
0.25
0.30
0.40
0.50
0.65
0.75
0.90
1.10
1.35
1.60
1.85
2.50
3.00
3.75
0.19
0.24
0.29
0.38
0.48
0.62
0.72
0.86
1.06
1.30
1.54
1.78
2.40
2.88
3.60
0.16
0.20
0.24
0.32
0.41
0.53
0.61
0.73
0.89
1.09
1.30
1.50
2.03
2.43
3.04
0.14
0.18
0.22
0.29
0.36
0.47
0.54
0.65
0.79
0.97
1.15
1.33
1.80
2.16
2.70
0.13
0.16
0.20
0.25
0.32
0.41
0.47
0.57
0.69
0.85
1.01
1.17
1.58
1.89
2.36
0.11
0.14
0.16
0.22
0.27
0.35
0.41
0.49
0.59
0.73
0.86
1.00
1.35
1.62
2.03
0.08
0.10
0.12
0.16
0.20
0.26
0.30
0.36
0.44
0.54
0.64
0.74
1.00
1.20
1.50
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
11
RoHS Compliant, ELV Compliant
HF
Halogen Free
171
Table R2
Part Number
RKEF
60V
RKEF050
RKEF065
RKEF075
RKEF090
RKEF110
RKEF135
RKEF160
RKEF185
RKEF250
RKEF300
RKEF375
RKEF400
RKEF500
RUEF
30V
RUEF090
RUEF110
RUEF135
RUEF160
RUEF185
RUEF250
RUEF300
RUEF400
RUEF500
RUEF600
RUEF700
RUEF800
RUEF900
Thermal Derating for Radial-Leaded Devices
[Hold Current (A) at Ambient Temperature (°C)]
Maximum Ambient Temperature
-40°C
-20°C
0°C
20°C
25°C
40°C
50°C
60°C
70°C
85°C
125°C
Cont’d
0.73
0.94
1.09
1.30
1.60
1.96
2.32
2.68
3.63
4.35
5.44
5.80
7.25
0.65
0.85
0.98
1.17
1.43
1.76
2.08
2.41
3.25
3.90
4.88
5.20
6.50
0.58
0.75
0.86
1.04
1.27
1.55
1.84
2.13
2.88
3.45
4.31
4.60
5.75
0.50
0.65
0.75
0.90
1.10
1.35
1.60
1.85
2.50
3.00
3.75
4.00
5.00
0.48
0.63
0.73
0.87
1.06
1.31
1.55
1.79
2.43
2.91
3.64
3.88
4.85
0.42
0.54
0.62
0.75
0.92
1.12
1.33
1.54
2.08
2.50
3.11
3.32
4.15
0.38
0.50
0.58
0.69
0.85
1.04
1.23
1.43
1.93
2.30
2.90
3.08
3.85
0.34
0.44
0.51
0.61
0.75
0.92
1.08
1.26
1.70
2.04
2.54
2.73
3.41
0.31
0.40
0.46
0.55
0.67
0.83
0.98
1.13
1.52
1.84
2.29
2.45
3.06
0.26
0.34
0.39
0.47
0.57
0.71
0.83
0.96
1.31
1.55
1.94
2.08
2.59
—
—
—
—
—
—
—
—
—
—
—
—
—
1.31
1.60
1.96
2.32
2.68
3.63
4.35
5.80
7.25
8.70
10.15
11.60
13.05
1.17
1.43
1.76
2.08
2.41
3.25
3.90
5.20
6.50
7.80
9.10
10.40
11.70
1.04
1.27
1.55
1.84
2.13
2.88
3.45
4.60
5.75
6.90
8.05
9.20
10.35
0.90
1.10
1.35
1.60
1.85
2.50
3.00
4.00
5.00
6.00
7.00
8.00
9.00
0.87
1.07
1.31
1.55
1.79
2.43
2.91
3.88
4.85
5.82
6.79
7.76
8.73
0.75
0.91
1.12
1.33
1.54
2.08
2.49
3.32
4.15
4.98
5.81
6.64
7.47
0.69
0.85
1.04
1.23
1.42
1.93
2.31
3.08
3.85
4.62
5.39
6.16
6.93
0.61
0.75
0.92
1.09
1.26
1.70
2.04
2.72
3.40
4.08
4.76
5.44
6.12
0.55
0.67
0.82
0.98
1.13
1.53
1.83
2.44
3.05
3.66
4.27
4.88
5.49
0.47
0.57
0.70
0.83
0.96
1.30
1.56
2.08
2.60
3.12
3.64
4.16
4.68
—
—
—
—
—
—
—
—
—
—
—
—
—
RHEF
30V - High Temperature
RHEF050
RHEF070
RHEF100
RUSBF
16V
RUSBF090
RUSBF110
RUSBF135
RUSBF160
RUSBF185
RUSBF250
RGEF
16V
RGEF250
RGEF300
RGEF400
RGEF500
RGEF600
RGEF700
RGEF800
RGEF900
RGEF1000
RGEF1100
RGEF1200
RGEF1400
3.7
4.4
5.9
7.3
8.8
10.3
11.7
13.2
14.7
16.1
17.6
20.5
3.3
4.0
5.3
6.6
8.0
9.3
10.7
11.9
13.3
14.6
16.0
18.7
3.0
3.6
4.8
6.0
7.2
8.4
9.6
10.7
12.0
13.1
14.4
16.8
HF
Halogen Free
0.68
0.95
1.36
0.62
0.87
1.24
0.56
0.79
1.13
0.51
0.72
1.03
0.50
0.70
1.00
0.44
0.62
0.89
0.40
0.56
0.80
0.36
0.51
0.73
0.34
0.47
0.67
0.28
0.39
0.56
0.12
0.17
0.24
1.31
1.60
1.96
2.32
2.68
3.63
1.17
1.43
1.76
2.08
2.41
3.25
1.04
1.27
1.55
1.84
2.13
2.88
0.90
1.10
1.35
1.60
1.85
2.50
0.87
1.07
1.31
1.55
1.79
2.43
0.75
1.00
1.12
1.33
1.54
2.08
0.69
0.92
1.04
1.23
1.42
1.93
0.61
0.75
0.92
1.09
1.26
1.70
0.55
0.67
0.82
0.98
1.13
1.53
0.47
0.57
0.70
0.83
0.96
1.30
—
—
—
—
—
—
11
2.6
3.1
4.1
5.2
6.2
7.3
8.3
9.4
10.3
11.5
12.4
14.5
2.50
3.00
4.00
5.00
6.00
7.00
8.00
9.00
10.00
11.00
12.00
14.00
2.2
2.6
3.5
4.4
5.2
6.2
6.9
7.9
8.7
9.7
10.4
12.1
2.0
2.4
3.2
4.0
4.8
5.6
6.4
7.2
8.0
8.8
9.6
11.2
1.8
2.1
2.8
3.6
4.2
5.0
5.6
6.4
7.0
7.8
8.4
9.8
1.6
1.9
2.5
3.1
3.8
4.4
5.1
5.6
6.3
6.9
7.6
8.9
1.2
1.4
1.9
2.4
2.8
3.3
3.7
4.2
4.7
5.2
5.6
6.5
—
—
—
—
—
—
—
—
—
—
—
—
172
RoHS Compliant, ELV Compliant
PolySwitch Resettable Devices
– Radial-Leaded Devices
Table R2
Thermal Derating for Radial-Leaded Devices
[Hold Current (A) at Ambient Temperature (°C)]
Maximum Ambient Temperature
-40°C
-20°C
0°C
20°C
25°C
40°C
50°C
60°C
70°C
85°C
125°C
Cont’d
Part Number
RHEF
16V - High Temperature
RHEF200
RHEF300
RHEF400
RHEF450
RHEF550
RHEF600
RHEF650
RHEF700
RHEF750
RHEF800
RHEF900
RHEF1000
RHEF1100
RHEF1300
RHEF1400
RHEF1500
RUSBF
6V
RUSBF075
RUSBF120
RUSBF155
1.05
1.69
2.17
0.95
1.52
1.96
0.85
1.36
1.75
0.75
1.20
1.55
0.73
1.16
1.50
0.65
1.04
1.34
0.60
0.96
1.24
0.55
0.88
1.14
0.50
0.80
1.03
0.43
0.68
0.88
—
—
—
2.71
4.07
5.57
6.10
7.47
8.20
8.80
9.51
10.20
10.87
12.21
13.60
14.94
17.70
19.01
20.40
2.49
3.74
5.11
5.60
6.86
7.50
8.10
8.73
9.40
9.98
11.19
12.50
13.72
16.30
17.46
18.80
2.26
3.41
4.65
5.10
6.24
6.80
7.40
7.95
8.60
9.08
10.16
11.40
12.49
14.80
15.89
17.10
2.06
3.09
4.22
4.60
5.66
6.20
6.70
7.20
7.70
8.23
9.26
10.30
11.31
13.40
14.40
15.50
2.00
3.00
4.00
4.50
5.50
6.00
6.50
7.00
7.50
8.00
9.00
10.00
11.00
13.00
14.00
15.00
1.77
2.65
3.62
4.00
4.85
5.30
5.70
6.17
6.60
7.06
7.97
8.80
9.70
11.40
12.35
13.20
1.60
2.40
3.29
3.60
4.41
4.90
5.30
5.61
6.10
6.41
7.20
8.10
8.82
10.50
11.22
12.10
1.46
2.21
3.01
3.30
4.04
4.40
4.80
5.15
5.60
5.88
6.56
7.40
8.09
9.60
10.29
11.10
1.34
2.00
2.73
3.00
3.66
4.00
4.30
4.66
5.00
5.33
6.04
6.60
7.32
8.60
9.32
9.90
1.11
1.66
2.27
2.50
3.05
3.30
3.60
3.88
4.10
4.43
5.01
5.50
6.09
7.20
7.76
8.30
0.49
0.74
1.01
1.10
1.36
1.50
1.60
1.73
1.90
1.97
2.19
2.50
2.71
3.30
3.45
3.80
Figure R1-R5 Thermal Derating Curve for Radial-Leaded Devices
RXEF
Figure R1
200
% of Rated Hold and Trip Current
150
100
11
50
0
-40
-20
0
20
40
60
80
Ambient Temperature (˚C)
RoHS Compliant, ELV Compliant
HF
Halogen Free
173
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