Protection Application Selection Guide for Radial-leaded Devices

LVR

LVRL

BBRF

RXEF

RXEF

RTEF

RUEF

RGEF

RHEF

RHEF

RUSBF

RUSBF

Voltage Rating

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

LVR (<265V

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

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

Test and measurement equipment

RGEF (<16V), RUEF (<30V)

RHEF (<30V)

RXEF (<72V), LVR (<265V

Transformers

RGEF (<16V), RUEF (<30V)

RHEF (<30V)

RXEF (<72V), LVR (<265V

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

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