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0ZRM Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – Radial Leaded PTC
defining a degree of excellence
Radial Leaded PTC
0ZRM Series
RoHS6 Compliant
0ZRMD0708
Electrical Characteristic (23 o C)
Applications
Line Voltage Power Supply, Transformer and Appliances Product
Product Features
Continuous Use at Voltages up to 120VAC/VDC
Operation Current
100mA~3.75A
Maximum Operating Voltage
120VAC/VDC
Maximum Interrupt Voltage
135VAC/DC
Temperature Range
-40℃ to 85℃
Agency Recognition
TUV (Std. EN60738-1, Cert. R50131685)
UL Component (Std. UL1434, File E305051)
UL Conditions of Acceptability:
1. These devices have been investigated for use in safety circuits and
are suitable as a limiting device.
Product Dimensions (Millimeter)
Fig 1.
Lead Size :24AWG
Φ 0.51 mm Diameter
Fig 3.
Lead Size :20AWG
Φ 0.81 mm Diameter
Part Number
(Bulk Package)
Hold
Current
Trip
Current
Max Time
to Trip
@ 5xIH
Max
Current
IH, A IT, A Seconds Imax, A
Rated
Voltage
Vmax,
Vac/dc
Typical
Power
Pd, W
Resistance Tolerance
Rmin Rmax R1max
Ohms Ohms Ohms
A 0ZRM0010FF1E 0.10 0.20 10.0 2
120 0.84 3.00 5.00 7.50
B 0ZRM0017FF1E 0.17 0.34 10.0 2
120 0.84 2.00 3.50 7.00
C 0ZRM0020FF1E 0.20 0.40 9.0
2
120 1.08 1.83 3.12 4.40
D 0ZRM0025FF1E 0.25 0.50 7.5
3
120 1.08 1.25 2.13 3.00
E 0ZRM0030FF1E 0.30 0.60 8.5
3
120 1.44 0.88 1.47 2.10
F 0ZRM0040FF1E 0.40 0.80 6.5
3
120 1.44 0.55 0.95 1.29
G 0ZRM0050FF1E 0.50 1.00 6.0
3
120 1.56 0.50 0.85 1.17
H 0ZRM0065FF1E 0.65 1.30 5.7
5
120 1.68 0.31 0.53 0.72
I 0ZRM0075FF1E 0.75 1.50 6.3
5
120 1.80 0.25 0.44 0.60
J 0ZRM0075AF1E 0.75 1.50 15.0 7.5 120 2.64 0.25 0.39 0.69
K 0ZRM0090FF1E 0.90 1.80 7.2
5
120 1.80 0.20 0.31 0.47
L 0ZRM0100FF1E 1.00 2.00 15.0 10 120 2.64 0.18 0.27 0.47
M 0ZRM0110FF1E 1.10 2.20 8.2
8
120 2.28 0.15 0.28 0.38
N 0ZRM0125FF1A 1.25 2.50 20.0 12.5 120 2.88 0.11 0.18 0.33
O 0ZRM0135FF1A 1.35 2.70 9.6 10 120 2.64 0.12 0.21 0.30
P 0ZRM0135AF1A 1.35 2.70 20.0 13.5 120 3.12 0.11 0.17 0.30
Q 0ZRM0160FF1A 1.60 3.20 11.4 12 120 3.12 0.09 0.16 0.22
R 0ZRM0185FF1A 1.85 3.70 12.6 12 120 3.36 0.08 0.13 0.19
S 0ZRM0200FF1A 2.00 4.20 36.0 20 120 4.32 0.08 0.12 0.21
T 0ZRM0250FF1A 2.50 5.00 15.6 15 120 4.44 0.05 0.08 0.13
U 0ZRM0300FF1A 3.00 6.00 19.8 17 120 4.56 0.04 0.07 0.10
V 0ZRM0375FF1A 3.75 7.50 24.0 20 120 4.80 0.03 0.05 0.08
IH Hold current-maximum current at which the device will not trip at 23oC still air.
IT Trip current-minimum current at which the device will always trip at 23oC still air.
Imax Maximum fault current device can withstand without damage at rated voltage (V max).
Vmax Maximum voltage device can withstand without damage at its rated current.
Pd Typical power dissipated from device when in tripped state in 23oC still air environment.
Rmin Minimum device resistance at 23oC.
R1max Maximum device resistance at 23oC, 1 hour after tripping .
Physical Specifications:
Lead material:
0ZRM0010FF~0ZRM0017FF Matte tin plated copper, 24 AWG.
0ZRM0020FF~0ZRM0090FF Matte tin plated copper, 22 AWG.
0ZRM0075FF~0ZRM0375FF Matte tin plated copper, 20 AWG.
Soldering characteristics:
MIL-STD-202, Method 208E.
Insulating coating:
Flame retardant epoxy, meets UL-94V-0 requirement.
Fig 2.
Lead Size :22AWG
Φ 0.65 mm Diameter
Part
AB
Figure
Number
Max Max
0ZRM0010FF 1 7.9 13
0ZRM0017FF 1 7.9 13
0ZRM0020FF 2 7.9 13
0ZRM0025FF 2 7.9 13
0ZRM0030FF 2 7.9 13
0ZRM0040FF 2 8.2 14.2
0ZRM0050FF 2 9.2 14.9
0ZRM0065FF 2 9.7 14.9
0ZRM0075FF 2 10.6 15.5
0ZRM0075AF 4 10.9 17
0ZRM0090FF 2 11.9 15.9
0ZRM0100FF 4 11.5 20.1
0ZRM0110FF 3 13.3 18.3
0ZRM0125FF 4 14 21.7
0ZRM0130FF 3 15.5 20.6
0ZRM0135AF 4 16.3 21.7
0ZRM0160FF 3 17.5 22.5
0ZRM0185FF 3 19.9 24.9
0ZRM0200FF 4 23.5 27.9
0ZRM0250FF 3 22.5 27.5
0ZRM0300FF 3 25.5 30
0ZRM0375FF 3 29.5 34
Fig 4.
Lead Size : 20AWG
Φ 0.81 mm Diameter
C
DE
F
Typical Min Max Typical
5.1 7.6 3.8 2.2
5.1 7.6 3.8 2.2
5.1 7.6 3.8 2.2
5.1 7.6 3.8 2.2
5.1 7.6 3.8 2.2
5.1 7.6 3.8 2.2
5.1 7.6 3.8 2.2
5.1 7.6 3.8 2.2
5.1 7.6 3.8 2.2
5.1 7.6 4.1 2.2
5.1 7.6 3.8 2.2
5.1 7.6 4.1 2.2
5.1 7.6 4.1 2.2
5.1 7.6 4.1 2.2
5.1 7.6 4.1 2.2
5.1 7.6 4.1 2.2
5.1 7.6 4.1 2.2
5.1 7.6 4.1 2.2
10.2 7.6 4.1 2.2
10.2 7.6 4.1 2.2
10.2 7.6 4.1 2.2
10.2 7.6 4.1 2.2
PTC Marking
" bel " or " b ", IH code and " RM ".
Standard Package
Part Number
0ZRM0010FF~0ZRM0050FF
0ZRM0065FF~0ZRM0110FF
0ZRM0125FF~0ZRM0185FF
0ZRM0200FF~0ZRM0375FF
Bulk
Reel / Tape
Pcs/Box P/N code Pcs/Reel P/N code
3000 1E 2000 2C
3000 1E 1500 2B
1000 1A n/a n/a
1000 1A n/a n/a
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