PolySwitch Resettable Devices
Radial-leaded Devices
Raychem Circuit Protection has pioneered PPTC technology
for over 25 years. Our radial-leaded products represent the
widest range of product capabilities.
•
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
•
RTEF series specifically designed for IEEE-1394 applications
•
RXEF series for low hold currents (down to 50mA) and high
voltage rating (up to 72V)
•
LVR/LVRL series for line voltage applications up to a continuous
operating voltage of 265V
AC
/135V
AC
•
BBRF series for cable telephone applications
•
Now offering Pb-free versions of all products. For Pb-free
versions of R-line products simply add an "F" to the end of
the series description.
Whether for design or volume application, Raychem Circuit
Protection's radial-leaded products represent the most
comprehensive and complete set of PPTC products available
in the industry today.
Benefits
• Many product choices give engineers more design flexibility
• Compatible with high-volume electronics assembly
• Assists in meeting regulatory requirements
• Higher voltage ratings allow use in new applications
Features
• 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 265V
AC
line voltage applications
• Agency recognition : UL, CSA, TÜV
• Fast time-to-trip
• Low resistance
Radial-leaded Devices
Applications
• Satellite video receivers
• Industrial controls
• Transformers
• Computer motherboards
• Modems
• USB hub, ports and peripherals
• IEEE1394 ports
• CD-ROMs
• Game machines
• Battery packs
• Phones
• Fax machines
• Analog and digital line cards
• Printers
13
110
Protection Application Selection Guide for Radial-leaded Devices
The guide below lists PolySwitch devices that are typically used in these applications.
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
UL 1950/FCC Part 68 requirements
DDC computer and consumer electronics
IEEE-1394 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
AC
)
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)
RXEF (<72V)
RUEF (<30V)
RTEF (<33V)
RUEF (<30V)
RUEF (<30V)
RUSBF (<16V)
RGEF (<16V), RUEF (<30V)
RHEF (<30V)
RXEF (<72V)
RHEF (<30V)
RHEF (<30V)
RHEF (<30V)
RHEF (<30V)
RXEF (<72V)
RXEF (<72V), LVR (<265V
AC
)
RXEF (<72V), LVR (<265V
AC
)
RXEF (<72V), LVR (<265V
AC
)
RHEF (<30V)
RHEF (<30V)
RHEF (<30V)
Flatter
Derating
RHEF (<30V)
RHEF (<30V)
Lower Current
Higher Voltage
RXEF (<72V)
RXEF (<72V)
LVR (<265V
AC
)
RXEF (<72V)
RXEF (<72V)
RXEF (<72V)
LVR (<265V
AC
)
This list is not exhaustive. Raychem Circuit Protection welcomes customer's input for additional application ideas for PolySwitch resettable devices.
Table R1 - Product Series - Current Rating, Voltage Rating/Typical Resistance for Radial-leaded Devices
Voltage Rating
Hold Current (A)
0.050
0.080
0.100
0.110
0.120
0.145
0.150
0.160
0.170
0.180
0.200
0.250
0.300
0.330
0.400
0.500
0.550
0.650
0.700
0.750
0.900
1.000
1.100
1.200
1.250
1.350
1.550
1.600
1.850
1.900
LVR
265V
AC
—
25Ω
9.8Ω
—
—
4.8Ω
—
—
3.4Ω
—
—
—
1.7Ω
—
1.0Ω
0.80Ω
—
0.59Ω
—
—
—
—
—
—
—
—
—
—
—
—
—
LVRL
135V
AC
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.325Ω
—
0.224Ω
—
—
0.148Ω
0.138Ω
—
—
—
—
BBRF
99V
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1.05Ω
—
—
0.58Ω
—
—
—
—
—
—
—
—
—
—
RXEF
72V
—
—
—
—
—
—
—
—
—
—
—
2.29Ω
1.60Ω
1.11Ω
—
0.71Ω
0.64Ω
—
0.40Ω
—
0.325Ω
0.255Ω
—
0.200Ω
—
—
0.155Ω
—
0.115Ω
0.100Ω
—
RXEF
60V
—
9.2Ω
—
3.50Ω
—
—
—
—
—
4.30Ω
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
RTEF
33V
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.097Ω
—
0.080Ω
—
—
—
0.054Ω
RUEF
30V
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.095Ω
—
0.075Ω
—
—
0.060Ω
—
0.050Ω
0.045Ω
—
RGEF
16V
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
RHEF
16V
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
RHEF
30V
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.68Ω
—
—
0.42Ω
—
—
0.24Ω
—
—
—
—
—
—
—
—
RUSBF
16V
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.10Ω
—
0.075Ω
—
—
0.060Ω
—
0.050Ω
0.045Ω
—
RUSBF
6V
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.14Ω
—
—
—
0.080Ω
—
—
0.058Ω
—
—
—
13
Radial-leaded Devices
111
PolySwitch Resettable Devices
Table R2 - Thermal Derating for Radial-leaded Devices [Hold Current (A) at Ambient Temperature (°C)]
...
Cont'd
Maximum Ambient Temperature
-40°C
-20°C
0°C
20°C
Part Number
RHEF
16V - High Temperature
RHEF650
RHEF700
RHEF750
RHEF800
RHEF900
RHEF1000
RHEF1100
RHEF1300
RHEF1400
RHEF1500
RUSBF
6V
RUSBF075
RUSBF120
RUSBF155
25°C
40°C
50°C
60°C
70°C
85°C
125°C
8.80
9.51
10.20
10.87
12.21
13.60
14.94
17.70
19.01
20.40
8.10
8.73
9.40
9.98
11.19
12.50
13.72
16.30
17.46
18.80
7.40
7.95
8.60
9.08
10.16
11.40
12.49
14.80
15.89
17.10
6.70
7.20
7.70
8.23
9.26
10.30
11.31
13.40
14.40
15.50
6.50
7.00
7.50
8.00
9.00
10.00
11.00
13.00
14.00
15.00
5.70
6.17
6.60
7.06
7.97
8.80
9.70
11.40
12.35
13.20
5.30
5.61
6.10
6.41
7.20
8.10
8.82
10.50
11.22
12.10
4.80
5.15
5.60
5.88
6.56
7.40
8.09
9.60
10.29
11.10
4.30
4.66
5.00
5.33
6.04
6.60
7.32
8.60
9.32
9.90
3.60
3.88
4.10
4.43
5.01
5.50
6.09
7.20
7.76
8.30
1.60
1.73
1.90
1.97
2.19
2.50
2.71
3.30
3.45
3.80
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
—
—
—
Figures R1-R5 - Thermal Derating Curve for Radial-leaded Devices
A=LVR
B=LVRL
% of Rated Hold and Trip Current
Figure R1
160
150
140
130
120
110
100
90
80
70
60
50
40
30
-30
-20
-10
0
10
20
30
40
50
Ambient Temperature (°C)
60
70
80
90
A
B
RXEF and
BBRF
Radial-leaded Devices
Figure R2
200
% of Rated Hold and Trip Current
150
100
50
13
–20
0
20
40
60
80
0
–40
Ambient Temperature (°C)
114
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