Protection Application Selection Guide for Radial-leaded Devices
LVR LVRL BBRF RXEF RXEF RTEF RUEF RGEF RHEF RHEF RUSBF RUSBF
Voltage Rating 265V
AC
135V
AC
99V 72V 60V 33V 30V 16V 16V 30V 16V 6V
Hold Current (A) ——————————— —
0.050 25Ω ———9.2Ω —————— —
0.080 9.8Ω —————————— —
0.100 ————3.50Ω —————— —
0.110 ——————————— —
0.120 4.8Ω —————————— —
0.145 ——————————— —
0.150 ——————————— —
0.160 3.4Ω —————————— —
0.170 ————4.30Ω —————— —
0.180 ——————————— —
0.200 — — — 2.29Ω ——————— —
0.250 1.7Ω — — 1.60Ω ——————— —
0.300 — — — 1.11Ω ——————— —
0.330 1.0Ω —————————— —
0.400 0.80Ω — — 0.71Ω ——————— —
0.500 — — — 0.64Ω —————0.68Ω ——
0.550 0.59Ω — 1.05Ω ———————— —
0.650 — — — 0.40Ω ——————— —
0.700 —————————0.42Ω ——
0.750 — 0.325Ω 0.58Ω 0.325Ω ———————0.14Ω
0.900 — — — 0.255Ω — — 0.095Ω — — — 0.10Ω —
1.000 — 0.224Ω ———————0.24Ω ——
1.100 — — — 0.200Ω — — 0.075Ω — — — 0.075Ω —
1.200
—————0.097Ω —————0.080Ω
1.250 — 0.148Ω ————————— —
1.350 — 0.138Ω — 0.155Ω — 0.080Ω 0.060Ω — — — 0.060Ω —
1.550 ———————————0.058Ω
1.600 — — — 0.115Ω — — 0.050Ω — — — 0.050Ω —
1.850 — — — 0.100Ω — — 0.045Ω — — — 0.045Ω —
1.900 —————0.054Ω ————— —
PolySwitch Resettable Devices—Key Selection Criteria
Flatter Lower Current
Protection Application Small Size Derating Higher Voltage
Electromagnetic loads RGEF (<16V), RUEF (<30V) RHEF (<30V) RXEF (<72V)
Halogen lighting RGEF (<16V), RUEF (<30V) RHEF (<30V) RXEF (<72V)
Lighting ballast RXEF (<72V), BBRF (<99V
AC
) LVR (<265V
AC
)
Loudspeakers RXEF (<72V) RXEF (<72V)
Medical equipment RGEF (<16V), RUEF (<30V) RHEF (<30V) RXEF (<72V)
MOSFET devices RGEF (<16V), RUEF (<30V) RHEF (<30V) RXEF (<72V)
Motors, fans and blowers RXEF (<72V), RGEF (<16V) RHEF (<30V) LVR (<265V
AC
)
POS equipment RXEF (<72V), RUEF (<30V)
Process and industrial controls RXEF (<72V), RUEF (<30V)
Satellite video receivers RGEF (<16V), RUEF (<30V) RHEF (<30V) RXEF (<72V)
Security and fire alarm systems RGEF (<16V), RUEF (<30V) RHEF (<30V) RXEF (<72V), LVR (<265V
AC
)
Test and measurement equipment RGEF (<16V), RUEF (<30V) RHEF (<30V) RXEF (<72V), LVR (<265V
AC
)
Transformers RGEF (<16V), RUEF (<30V) RHEF (<30V) RXEF (<72V), LVR (<265V
AC
)
UL 1950/FCC Part 68 requirements RXEF (<72V)
DDC computer and consumer electronics RUEF (<30V)
IEEE-1394 computer and consumer electronics RTEF (<33V)
Mouse and keyboard RUEF (<30V)
SCSI RUEF (<30V)
USB RUSBF (<16V)
Traces and printed circuit board protection RGEF (<16V), RUEF (<30V) RHEF (<30V) RXEF (<72V)
This list is not exhaustive. Raychem Circuit Protection welcomes customer's input for additional application ideas for PolySwitch resettable 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.
Table R1 - Product Series - Current Rating, Voltage Rating/Typical Resistance for Radial-leaded Devices
Radial-leaded Devices
111
13
