Application Selection Guide for Radial-leaded Devices
The guide below lists PolySwitch radial-leaded 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.
Protection Application
PolySwitch Resettable Devices — Key Selection Criteria
Small Size
Flatter
Derating
Lower Current
Higher Voltage
Electromagnetic loads
RGEF (<16V), RUEF (<30V)
RHEF (<16V)
RXEF (<72V), RKEF(<60V)
Halogen lighting
RGEF (<16V), RUEF (<30V)
RHEF (<16V)
RXEF (<72V), RKEF(<60V)
Lighting ballast
RXEF (<72V), BBRF (<99V)
Loudspeakers
RXEF (<72V)
RXEF (<72V), RKEF(<60V)
Medical equipment
RGEF (<16V), RUEF (<30V)
RHEF (<16V)
RXEF (<72V), RKEF(<60V)
MOSFET devices
RGEF (<16V), RUEF (<30V)
RHEF (<16V)
RXEF (<72V), RKEF(<60V)
Motors, fans and blowers
RXEF (<72V), RGEF (<16V)
RHEF (<16V)
POS equipment
RXEF (<72V), RUEF (<30V)
Process and industrial controls
RXEF (<72V), RUEF (<30V)
Satellite video receivers
RGEF (<16V), RUEF (<30V)
RHEF (<16V)
RXEF (<72V), RKEF(<60V)
Security and fire alarm systems
RGEF (<16V), RUEF (<30V)
RHEF (<16V)
RXEF (<72V), RKEF(<60V)
Test and measurement equipment
RGEF (<16V), RUEF (<30V)
RHEF (<16V)
RXEF (<72V), RKEF(<60V)
Transformers
RGEF (<16V), RUEF (<30V)
RHEF (<16V)
RXEF (<72V), RKEF(<60V)
DDC computer and consumer electronics
RUEF (<30V)
Mouse and keyboard
RUEF (<30V)
SCSI
RUEF (<30V)
USB
RUSBF (<16V)
Traces and printed circuit board protection
RGEF (<16V), RUEF (<30V)
RHEF (<16V)
RXEF (<72V), RKEF(<60V)
Note : This list is not exhaustive. TE Circuit Protection welcomes customer's input for additional application ideas for PolySwitch resettable devices.
Product Series - Current Rating, Voltage Rating / Typical Resistance for
Table R1
Radial-leaded Devices
12
Voltage Rating
Hold Current (A)
0.050
0.100
0.170
0.200
0.250
0.300
0.400
0.500
0.550
0.650
0.700
0.750
0.900
1.000
1.100
1.200
1.350
1.550
1.600
1.850
1.900
BBRF
99V
—
—
—
—
—
—
—
—
1.05Ω
—
—
—
—
—
—
—
—
—
—
—
—
RXEF
72V
—
—
—
2.290Ω
1.600Ω
1.110Ω
0.710Ω
0.640Ω
—
0.400Ω
—
0.325Ω
0.255Ω
—
0.200Ω
—
0.155Ω
—
0.115Ω
0.100Ω
—
RKEF
60V
—
—
—
—
—
—
—
0.425Ω
—
0.350Ω
—
0.295Ω
0.255Ω
—
0.225Ω
—
0.165Ω
—
0.150Ω
0.106Ω
—
RXEF
60V
9.20Ω
3.50Ω
4.30Ω
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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
RUSBF
6V
—
—
—
—
—
—
—
—
—
—
—
—
0.100Ω
—
0.075Ω
—
0.060Ω
—
0.050Ω
0.045Ω
—
—
—
—
—
—
—
—
—
—
—
—
0.140Ω
—
—
—
0.080Ω
—
0.058Ω
—
—
—
136
RoHS Compliant, ELV Compliant