RXEF185 TE Connectivity, RXEF185 Datasheet - Page 14

• Manufacturer Part Number: RXEF185
• Description: FUSE, PTC RESET, 72V, 1.85A, RADIAL
• Manufacturer: TE Connectivity
• Series: RXEFr

Specifications of RXEF185

• Holding Current: 1.85A
• Tripping Current: 3.7A
• Initial Resistance Max: 0.12ohm
• Operating Voltage: 72V
• Ptc Fuse Case: Radial Leaded
• Initial Resistance Min: 0.08ohm
• Resistance R1: 0.19ohm
• Rohs Compliant: Yes
• Hold Current: 1.85A
• Trip Current: 3.7A
• Initial Resistance (min): 80mOhm
• Initial Resistance (max): 120mOhm
• Voltage Rating Max: 72V
• Trip Time (max): 12.6@9.25As
• Power Dissipation (typ): 2.1W
• Post Trip Resistance (max): 190mOhm
• Wire Form: Straight
• Agency Approvals: CSA/TUV/UL
• Operating Temperature Min Deg. C: -40C
• Operating Temperature Max Deg. C: 85C
• Brand/series: PolySwitch®/RXEF Series
• Current, Rating: 1.85 A
• Dimensions: 0.69x0.12x0.88 "
• Material, Body: Epoxy Polymer
• Mounting Type: PCB
• Primary Type: Resettable
• Resistance, Dc: 0.12 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): 1.85
• It (room Temperature) (a): 3.70
• Rmin (?): 0.08
• Rmax (?): 0.120
• R1 Max [post Trip] (?): 0.19
• Power Dissipation (typical) (w): 2.10
• Construction: Radial
• Lead Type: Straight
• 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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Figures R17-R23 - Typical Time-to-trip curves at 20°C for Radial-leaded Devices
BBRF
A = BBRF550
B = BBRF750
RTEF
C = RTEF120
D = RTEF135
E = RTEF190
RXEF
A = RXEF005
B = RXEF010
C = RXEF017
D = RXEF020
E = RXEF025
F = RXEF030
G = RXEF040
H = RXEF050
I = RXEF065
RUEF
A = RUEF090
B = RUEF110
C = RUEF135
D = RUEF160
E = RUEF185
F = RUEF250
G = RUEF300
J = RXEF075
K = RXEF090
L = RXEF110
M = RXEF135
N = RXEF160
O = RXEF185
P = RXEF250
Q = RXEF300
R = RXEF375
H = RUEF400
I = RUEF500
J = RUEF600
K = RUEF700
L = RUEF800
M = RUEF900
Figure R18
Figure R19
Figure R20
0.001
0.001
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C DEF G H I JKLMNO PQR
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Fault current (A)
Fault current (A)
Fault current (A)
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Cont'd