RXEF040 TE Connectivity, RXEF040 Datasheet - Page 6

• Manufacturer Part Number: RXEF040
• Description: POLYSWITCH PRD RXE040 LF
• Manufacturer: TE Connectivity

Specifications of RXEF040

• Hold Current: 400mA
• Trip Current: 800mA
• Initial Resistance (min): 550mOhm
• Initial Resistance (max): 860mOhm
• Voltage Rating Max: 72V
• Trip Time (max): 3.8@2As
• Power Dissipation (typ): 0.56W
• Post Trip Resistance (max): 1.29Ohm
• Agency Approvals: CSA/TUV/UL
• Operating Temperature Min Deg. C: -40C
• Operating Temperature Max Deg. C: 85C
• Brand/series: PolySwitch®/RXEF Series
• Current, Rating: 0.4 A
• Dimensions: 0.3x0.12x0.53 "
• Material, Body: Epoxy Polymer
• Mounting Type: PCB
• Primary Type: Resettable
• Resistance, Dc: 0.86 Ohms
• Termination: Radial
• Voltage, Rating: 72 VDC
• Agency Recognition: UL, CSA, TUV
• Ul File Number: E74889
• Csa File Number: A78165
• Vmax (v): 72
• Imax (a): 40
• Ih (room Temperature) (a): 0.4
• It (room Temperature) (a): 0.80
• Rmin (?): 0.55
• Rmax (?): 0.860
• R1 Max [post Trip] (?): 1.29
• Power Dissipation (typical) (w): 0.56
• Construction: Radial
• Lead Type: Standard Kinked Lead
• Family Name: RXEF
• Coating: Coated
• Rohs/elv Compliance: RoHS compliant, ELV compliant
• Lead Free Solder Processes: Wave solder capable to 240°C, Wave solder capable to 260°C, Wave solder capable to 265°C
• Rohs/elv Compliance History: Always was RoHS compliant
• Tuv Certificate No.: Available on request (per IEC 60730-1)
• Operating Temperature (max.) (°c): 85
• Application: Radial
• Packaging Method: Bulk
• Lead Free Status / Rohs Status: Compliant

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1 15
Figures R1-R5 - Thermal Derating Curve for Radial-leaded Devices
A = RUSBF075,
B = RUEF,
RHEF
RGEF
RUSBF120,
RUSBF155
RTEF,
and all other
RUSBF
Figure R3
Figure R4
Figure R5
200
150
100
200
150
100
200
150
100
50
50
50
0
–40
0
0
–40
–40
A
B
–20
–20
–20
0
0
0
Ambient Temperature (°C)
20
Ambient Temperature (°C)
Ambient Temperature (°C)
20
20
40
60
40
40
80
60
60
100
80
80
...
120
B
A
Cont'd