PTC THERMISTORS: TYPE PTU
OVER-CURRENT PROTECTION, UL RECOGNIZED
50 5.0 RL5508-5.0-110-50-PTU L/050-LD-0005/B 0.65 0.58 0.39 0.29 1.0 14 0.60 15.24 0.17 4.32 0.33 8.38 22
50 10.0 RL4008-10-110-50-PTU L/050-ID-0010/B 0.39 0.34 0.23 0.17 0.5 10 0.45 11.43 0.17 4.32 0.25 6.35 24
50 20.0 RL3008-20-110-50-PTU L/050-GD-0020/B 0.24 0.22 0.15 0.11 0.3 8 0.35 8.89 0.16 4.06 0.25 6.35 24
50 50.0 RL2008-50-110-50-PTU L/050-ED-0050/B 0.14 0.13 0.09 0.06 0.1 7 0.25 6.35 0.16 4.06 0.15 3.81 24
50 1.0 RL7506-1.0-120-50-PTU M/050-PC-0001/B 1.85 1.66 1.15 0.89 1.5 21.0 0.80 20.32 0.16 4.06 0.33 8.38 22
50 2.5 RL5006-2.5-120-50-PTU M/050-KC-0003/B 0.91 0.82 0.56 0.44 0.7 12.7 0.55 13.97 0.16 4.06 0.33 8.38 22
50 5.0 RL3506-5.0-120-50-PTU M/050-HC-0005/B 0.51 0.46 0.32 0.25 0.3 8.1 0.40 10.16 0.16 4.06 0.25 6.35 24
50 10.0 RL2506-10-120-50-PTU M/050-FC-0010/B 0.31 0.28 0.19 0.15 0.2 6.0 0.30 7.62 0.16 4.06 0.15 3.81 24
50 25.0 RL2006-25-120-50-PTU M/050-EC-0025/B 0.17 0.15 0.10 0.08 0.1 4.4 0.25 6.35 0.16 4.06 0.15 3.81 24
50 50.0 RL1606-50-120-50-PTU M/050-DC-0050/B 0.11 0.09 0.07 0.05 0.07 3.4 0.21 5.33 0.16 4.06 0.10 2.54 24
120 10.0 RL7512-10-110-120-PTU L/120-PF-0010/B 0.55 0.49 0.33 0.24 2.7 20 0.80 20.32 0.23 5.84 0.33 8.38 20
120 20.0 RL5512-20-110-120-PTU L/120-LF-0020/B 0.32 0.29 0.19 0.14 1.4 14 0.60 15.24 0.23 5.84 0.33 8.38 20
120 50.0 RL3512-50-110-120-PTU L/120-HF-0050/B 0.16 0.15 0.10 0.07 0.6 9 0.40 10.16 0.22 5.59 0.25 6.35 22
120 100.0 RL2512-100-110-120-PTU L/120-FF-0100/B 0.11 0.10 0.07 0.05 0.3 8 0.30 7.62 0.22 5.59 0.15 3.81 22
120 2.5 RL9910-2.5-120-120-PTU M/120-UE-0003/B 1.46 1.31 0.90 0.70 4.6 32.6 1.04 26.42 0.20 5.08 0.33 8.38 20
120 5.0 RL7510-5.0-120-120-PTU M/120-PE-0005/B 0.81 0.72 0.50 0.39 2.2 20.0 0.80 20.32 0.20 5.08 0.33 8.38 22
120 10.0 RL5010-10-120-120-PTU M/120-KE-0010/B 0.48 0.43 0.30 0.23 1.2 14.2 0.55 13.97 0.20 5.08 0.33 8.38 24
120 20.0 RL3510-20-120-120-PTU M/120-HE-0020/B 0.27 0.25 0.17 0.13 0.6 9.2 0.40 10.16 0.20 5.08 0.25 6.35 24
120 50.0 RL2310-50-120-120-PTU M/120-FE-0050/B 0.14 0.13 0.09 0.07 0.2 6.0 0.28 7.11 0.20 5.08 0.15 3.81 24
120 100.0 RL2006-100-120-120-PTU M/120-EC-0100/B 0.09 0.08 0.05 0.04 0.1 4.3 0.25 6.35 0.16 4.06 0.15 3.81 24
240 50.0 RL6320-50-110-240-PTU L/240-NH-0050/B 0.23 0.21 0.14 0.10 3.1 18 0.70 17.78 0.32 8.13 0.33 8.38 18
240 100.0 RL4520-100-110-240-PTU L/240-JH-0100/B 0.14 0.12 0.08 0.06 1.6 13 0.50 12.70 0.30 7.62 0.33 8.38 20
240 200.0 RL3020-200-110-240-PTU L/240-GH-0200/B 0.08 0.07 0.05 0.03 0.7 8 0.35 8.89 0.29 7.37 0.25 6.35 22
240 5.0 RL9912-5-120-240-PTU M/240-UF-0005/B 1.05 0.94 0.65 0.50 5.7 33.7 1.04 26.42 0.22 5.59 0.33 8.38 20
240 10.0 RL7512-10-120-240-PTU M/240-PF-0010/B 0.62 0.56 0.38 0.30 3.2 23.6 0.80 20.32 0.22 5.59 0.33 8.38 22
240 20.0 RL5512-20-120-240-PTU M/240-LF-0020/B 0.37 0.33 0.23 0.18 1.8 16.8 0.60 15.24 0.22 5.59 0.33 8.38 22
240 50.0 RL3512-50-120-240-PTU M/240-HF-0050/B 0.18 0.16 0.11 0.09 0.7 9.9 0.40 10.16 0.22 5.59 0.25 6.35 22
240 100.0 RL2412-100-120-240-PTU M/240-FF-0100/B 0.11 0.10 0.07 0.05 0.3 7.0 0.29 7.37 0.22 5.59 0.15 3.81 24
240 200.0 RL2012-200-120-240-PTU M/240-EF-0200/B 0.07 0.06 0.04 0.03 0.2 5.7 0.25 6.35 0.22 5.59 0.15 3.81 24
480 25.0 RL7024-25-120-480-PTU M/480-OI-0025/B 0.39 0.35 0.24 0.19 3.7 23.4 0.75 19.05 0.34 8.64 0.33 8.38 20
480 50.0 RL4820-50-120-480-PTU M/480-KH-0050/B 0.22 0.20 0.14 0.11 1.8 15.4 0.53 13.46 0.28 7.11 0.33 8.38 20
480 100.0 RL4517-100-120-480-PTU M/480-JG-0100/B 0.16 0.14 0.10 0.08 1.8 15.4 0.51 12.95 0.24 6.10 0.25 6.35 22
480 200.0 RL4517-200-120-480-PTU M/480-JG-0200/B 0.11 0.10 0.07 0.05 1.8 15.4 0.51 12.95 0.24 6.10 0.25 6.35 22
Crown Industrial Estate, Priorswood Road 808 US Highway 1 967 Windfall Road
Taunton, Somerset TA2 8QY UK Edison, New Jersey 08817-4695 USA St. Marys, Pennsylvania 15857-3397 USA
Tel +44 (0) 1823 335200 Tel +1 (732) 287 2870 Tel +1 (814) 834 9140
Fax +44 (0) 1823 332637 Fax +1 (732) 287 8847 Fax +1 (814) 781 7969
Operating
Voltage
R25°C
(±20%)
Type U.L. Style No.
d.c.
mW/°C
“
H”
Joules/°C
Minimum
Switch Current
0°C 25°C
Maximum
No-Switch Current
25°C 55°C
C (ref.)
in. mm.
B (max)
in. mm.
A (max)
in. mm.
AWG
No.
OPTIONS:
•Protective coating, replace “PTU” suffix with “PUC”
•Tape and reel, replace “PTU” suffix with “PUR”
•Coated and T&R, replace “PTU” suffix with “PUCR”
•Other resistances
•Other tolerances, other transition temperatures
•Alternate size and configurations
•Other voltage ratings