RUEF400-2 TE Connectivity, RUEF400-2 Datasheet - Page 6

• Manufacturer Part Number: RUEF400-2
• Description: FUSE, PTC RESET, 30V, 4A, RADIAL
• Manufacturer: TE Connectivity
• Series: RUEFr

Specifications of RUEF400-2

• Holding Current: 4A
• Tripping Current: 8A
• Initial Resistance Max: 0.03ohm
• Operating Voltage: 30V
• Ptc Fuse Case: Radial Leaded
• Initial Resistance Min: 0.01ohm
• Resistance R1: 0.05ohm
• Rohs Compliant: Yes
• Hold Current: 4A
• Trip Current: 8A
• Initial Resistance (min): 10mOhm
• Initial Resistance (max): 30mOhm
• Voltage Rating Max: 30V
• Trip Time (max): 12.7@20As
• Power Dissipation (typ): 2.5W
• Post Trip Resistance (max): 50mOhm
• Wire Form: Straight
• Agency Approvals: CSA/TUV/UL
• Operating Temperature Min Deg. C: -40C
• Operating Temperature Max Deg. C: 85C
• Ul File Number: E74889
• Csa File Number: A78165
• Vmax (v): 30
• Imax (a): 100
• Ih (room Temperature) (a): 4
• It (room Temperature) (a): 8.00
• Rmin (?): 0.01
• Rmax (?): 0.030
• R1 Max [post Trip] (?): 0.05
• Power Dissipation (typical) (w): 2.50
• Construction: Radial
• Lead Type: Straight
• Family Name: RUEF
• 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: Tape & Reel
• Lead Free Status / Rohs Status: Compliant

13
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