LVR005K Datasheet LVR005K, LVR008K | P4-P6

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°C40°C50°C60°C70°C85°C 125°C

Part Number

RXEF

72V

RXEF110 1.71 1.50 1.31 1.10 1.06 0.89 0.79 0.69 0.59 0.44

—

RXEF135 2.09 1.84 1.61 1.35 1.30 1.09 0.97 0.85 0.73 0.54

—

RXEF160 2.48 2.18 1.90 1.60 1.54 1.30 1.15 1.01 0.86 0.64

—

RXEF185 2.87 2.52 2.20 1.85 1.78 1.50 1.33 1.17 1.00 0.74

—

RXEF250 3.88 3.40 2.98 2.50 2.40 2.03 1.80 1.58 1.35 1.00

—

RXEF300 4.65 4.08 3.57 3.00 2.88 2.43 2.16 1.89 1.62 1.20

—

RXEF375 5.81 5.10 4.46 3.75 3.60 3.04 2.70 2.36 2.03 1.50

—

RTEF

33V

RTEF120 1.74 1.56 1.38 1.20 1.16 1.00 0.92 0.82 0.73 0.60 —

RTEF135 1.96 1.76 1.55 1.35 1.31 1.12 1.04 0.92 0.82 0.68 —

RTEF190 2.76 2.47 2.19 1.90 1.84 1.58 1.50 1.29 1.16 0.95 —

RUEF

30V

RUEF090 1.31 1.17 1.04 0.90 0.87 0.75 0.69 0.61 0.55 0.47 —

RUEF110 1.60 1.43 1.27 1.10 1.07 0.91 0.85 0.75 0.67 0.57 —

RUEF135 1.96 1.76 1.55 1.35 1.31 1.12 1.04 0.92 0.82 0.70 —

RUEF160 2.32 2.08 1.84 1.60 1.55 1.33 1.23 1.09 0.98 0.83 —

RUEF185 2.68 2.41 2.13 1.85 1.79 1.54 1.42 1.26 1.13 0.96 —

RUEF250 3.63 3.25 2.88 2.5 2.43 2.08 1.93 1.70 1.53 1.30 —

RUEF300 4.35 3.90 3.45 3.0 2.91 2.49 2.31 2.04 1.83 1.56 —

RUEF400 5.80 5.20 4.60 4.0 3.88 3.32 3.08 2.72 2.44 2.08 —

RUEF500 7.25 6.50 5.75 5.0 4.85 4.15 3.85 3.40 3.05 2.60 —

RUEF600 8.70 7.80 6.90 6.0 5.82 4.98 4.62 4.08 3.66 3.12 —

RUEF700 10.15 9.10 8.05 7.0 6.79 5.81 5.39 4.76 4.27 3.64 —

RUEF800 11.60 10.40 9.20 8.0 7.76 6.64 6.16 5.44 4.88 4.16 —

RUEF900 13.05 11.70 10.35 9.0 8.73 7.47 6.93 6.12 5.49 4.68 —

RHEF

30V - High Temperature

RHEF050 0.68 0.62 0.56 0.51 0.5 0.44 0.40 0.36 0.34 0.28 0.12

RHEF070 0.95 0.87 0.79 0.72 0.7 0.62 0.56 0.51 0.47 0.39 0.17

RHEF100 1.36 1.24 1.13 1.03 1.00 0.89 0.80 0.73 0.67 0.56 0.24

RUSBF

16V

RUSBF090 1.31 1.17 1.04 0.90 0.87 0.75 0.69 0.61 0.55 0.47 —

RUSBF110 1.60 1.43 1.27 1.10 1.07 1.00 0.92 0.75 0.67 0.57 —

RUSBF135 1.96 1.76 1.55 1.35 1.31 1.12 1.04 0.92 0.82 0.70 —

RUSBF160 2.32 2.08 1.84 1.60 1.55 1.33 1.23 1.09 0.98 0.83 —

RUSBF185 2.68 2.41 2.13 1.85 1.79 1.54 1.42 1.26 1.13 0.96 —

RUSBF250 3.63 3.25 2.88 2.50 2.43 2.08 1.93 1.70 1.53 1.30 —

RGEF

16V - High Temperature

RGEF250 3.7 3.3 3.0 2.6 2.5 2.2 2.0 1.3 1.6 1.2 —

RGEF300 4.4 4.0 3.6 3.1 3.0 2.6 2.4 2.1 1.9 1.4 —

RGEF400 5.9 5.3 4.8 4.1 4.0 3.5 3.2 2.8 2.5 1.9 —

RGEF500 7.3 6.6 6.0 5.2 5.0 4.4 4.0 3.6 3.1 2.4 —

RGEF600 8.8 8.0 7.2 6.2 6.0 5.2 4.8 4.2 3.8 2.8 —

RGEF700 10.3 9.3 8.4 7.3 7.0 6.2 5.6 5.0 4.4 3.3 —

RGEF800 11.7 10.7 9.6 8.3 8.0 6.9 6.4 5.6 5.1 3.7 —

RGEF900 13.2 11.9 10.7 9.4 9.0 7.9 7.2 6.4 5.6 4.2 —

RGEF1000 14.7 13.3 12.0 10.3 10.0 8.7 8.0 7.0 6.3 4.7 —

RGEF1100 16.1 14.6 13.1 11.5 11.0 9.7 8.8 7.8 6.9 5.2 —

RGEF1200 17.6 16.0 14.4 12.4 12.0 10.4 9.6 8.4 7.6 5.6 —

RGEF1400 20.5 18.7 16.8 14.5 14.0 12.1 11.2 9.8 8.9 6.5 —

RHEF

16V - High Temperature

RHEF200 2.71 2.49 2.26 2.06 2.00 1.77 1.60 1.46 1.34 1.11 0.49

RHEF300 4.07 3.74 3.41 3.09 3.00 2.65 2.40 2.21 2.00 1.66 0.74

RHEF400 5.57 5.11 4.65 4.22 4.00 3.62 3.29 3.01 2.73 2.27 1.01

RHEF450 6.10 5.60 5.10 4.60 4.50 4.00 3.60 3.30 3.00 2.50 1.10

RHEF550 7.47 6.86 6.24 5.66 5.50 4.85 4.41 4.04 3.66 3.05 1.36

RHEF600 8.20 7.50 6.80 6.20 6.00 5.30 4.90 4.40 4.00 3.30 1.50

Cont'd

...

Radial-leaded Devices

113

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°C40°C50°C60°C70°C85°C 125°C

Part Number

RHEF

16V - High Temperature

RHEF650 8.80 8.10 7.40 6.70 6.50 5.70 5.30 4.80 4.30 3.60 1.60

RHEF700 9.51 8.73 7.95 7.20 7.00 6.17 5.61 5.15 4.66 3.88 1.73

RHEF750 10.20 9.40 8.60 7.70 7.50 6.60 6.10 5.60 5.00 4.10 1.90

RHEF800 10.87 9.98 9.08 8.23 8.00 7.06 6.41 5.88 5.33 4.43 1.97

RHEF900 12.21 11.19 10.16 9.26 9.00 7.97 7.20 6.56 6.04 5.01 2.19

RHEF1000 13.60 12.50 11.40 10.30 10.00 8.80 8.10 7.40 6.60 5.50 2.50

RHEF1100 14.94 13.72 12.49 11.31 11.00 9.70 8.82 8.09 7.32 6.09 2.71

RHEF1300 17.70 16.30 14.80 13.40 13.00 11.40 10.50 9.60 8.60 7.20 3.30

RHEF1400 19.01 17.46 15.89 14.40 14.00 12.35 11.22 10.29 9.32 7.76 3.45

RHEF1500 20.40 18.80 17.10 15.50 15.00 13.20 12.10 11.10 9.90 8.30 3.80

RUSBF

RUSBF075 1.05 0.95 0.85 0.75 0.73 0.65 0.60 0.55 0.50 0.43 —

RUSBF120 1.69 1.52 1.36 1.20 1.16 1.04 0.96 0.88 0.80 0.68 —

RUSBF155 2.17 1.96 1.75 1.55 1.50 1.34 1.24 1.14 1.03 0.88 —

A=LVR

B=LVRL

RXEF and

BBRF

Figures R1-R5 - Thermal Derating Curve for Radial-leaded Devices

Ambient Temperature (°C)

% of Rated Hold and Trip Current

Figure R1

Figure R2

–40 –20 0 20 40 60 80

100

150

200

100

110

120

130

140

150

160

-30 -20 -10 0 10 20 30 40 50 60 70 80 90

Ambient Temperature (°C)

% of Rated Hold and Trip Current

Cont'd

...

PolySwitch Resettable Devices

Radial-leaded Devices

114

Figures R1-R5 - Thermal Derating Curve for Radial-leaded Devices

A = RUSBF075,

RUSBF120,

RUSBF155

B = RUEF,

RTEF,

and all other

RUSBF

RGEF

Cont'd

...

RHEF

Radial-leaded Devices

115

Figure R3

Figure R5

–40 –20 0 20 40 60 80

100

150

200

–40 –20 0 20 40 60 80

100

150

200

Ambient Temperature (°C)

% of Rated Hold and Trip Current

Ambient Temperature (°C)

% of Rated Hold and Trip Current

Figure R4

Ambient Temperature (°C)

% of Rated Hold and Trip Current

–40 –20 0 20 40 60 80

100

150

200

100 120

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21 P22-P24 P25-P27

LVR005K

Mfr. #:

Buy LVR005K

Manufacturer:

Littelfuse

Description:

PTC RESET FUSE 240V 50MA RADIAL

Lifecycle:

New from this manufacturer.

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LVR005K

LVR005K

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