FRT Series - Unictron!

Radial Leaded PPTC
FRT Series
RoHS Compliant&
Lead Free
Application: IEEE 1394 Firewire, Computers & Consumer
electronics
Product Features: Fast trip time, Lower Trip-to-hold Ratio,
Radial-leaded product ideal for up to 36VDC
Operation Current: 0.5A~2.5A
Maximum Voltage: 36VDC
Temperature Range: -40℃ to 85℃
Agency Recognition: UL(E211981)
C-UL(E211981)
TÜV (R50004084)
Electrical Characteristics (23℃
℃)
Part
Number
FRT050-33F
FRT075-33F
FRT090-33F
FRT120-33F
FRT135-33F
FRT160-33F
FRT190-33F
FRT220-33F
FRT250-33F
Hold
Current
Trip
Max.Time
Current
To Trip
Resistance
Max.
Current
Rated
Voltage
Typ.
Power
RMIN
R1MAX
IH, A
IT, A
at 5xIH, s
IMAX, A
VMAX, VDC
Pd, W
Ohms
Ohms
0.50
0.75
0.90
1.20
1.35
1.60
1.90
2.20
2.50
1.00
1.50
1.80
2.30
2.50
2.75
3.00
3.50
4.00
5.0
4.0
3.5
3.5
4.5
4.5
3.5
6.5
8.0
40
40
40
40
40
40
40
40
40
36
36
36
36
36
36
36
36
36
0.67
0.71
0.74
0.78
0.84
0.86
0.90
0.95
0.99
0.140
0.115
0.090
0.074
0.059
0.041
0.045
0.025
0.020
0.448
0.368
0.288
0.180
0.143
0.131
0.092
0.080
0.064
Physical specifications:
Lead material: Tin plated copper, 24 AWG.
Soldering characteristics:MIL-STD-202, Method 208E.
Insulating coating:Flame retardant epoxy, meets UL 94 V-0 requirement.
Thermal Derating for PPTC Device at Various Ambient Temperatures
TEMPERATURE
DERATING %
-40
-20
148%
135%
0
120%
23
30
40
50
60
70
85
100%
98%
90%
85%
78%
70%
64%
FRT Product Dimensions (mm)
Lead Size: 24AWG,
Φ 0.51 mm Diameter
Part
A
B
C
D
E
F
Number
Max
Max
Typ
Min
Max
Typ
FRT050-33F
7.4
12.2
5.1
7.6
3.0
1.1
FRT075-33F
7.4
12.2
5.1
7.6
3.0
1.1
FRT090-33F
7.4
12.2
5.1
7.6
3.0
1.1
FRT120-33F
7.4
12.2
5.1
7.6
3.0
1.1
FRT135-33F
7.4
14.2
5.1
7.6
3.0
1.1
FRT160-33F
7.4
14.0
5.1
7.6
3.0
1.1
FRT190-33F
9.0
13.5
5.1
7.6
3.0
1.1
FRT220-33F
FRT250-33F
10.0
10.0
17.0
19.5
5.1
5.1
7.6
7.6
3.0
3.0
1.1
1.1
NOTE : All Specifications subject to change without notice.
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Radial Leaded PPTC
Typical Time-To-Trip at 23℃
℃
A B C D E FGH I
1000
100
Time-to-trip (s)
A = FRT 050-33F
B = FRT 075-33F
C = FRT 090-33F
D = FRT 120-33F
E = FRT 135-33F
F = FRT 160-33F
G = FRT 190-33F
H = FRT 220-33F
I = FRT 250-33F
10
1
0.1
0.01
0.1
1.0
10.0
100.0
Fault current (A)
Part Numbering System
Part Marking System
FRT □ □ □ ─ □ □ F
RoHS Compliant/
Lead Free
F
RT135F
19AD
F
RT □ □ □
RoHS Compliant/
Lead Free
Part Identification
Product Family
Voltage Rating
Current Rating
Example
F
□
□ □ □
Date Code/Lot Number
Standard Packag
FRT050-33F~FRT250-33F
:
500 Pcs/Bag, 3.0K Reel/Tape
Warning: - Operation beyond the specified maximum ratings or improper use may result in damage and possible electrical
arcing and/or flame.
- PPTC device are intended for occasional overcurrent protection. Application for repeated overcurrent condition
and/or prolonged trip are not anticipated.
- Avoid contact of PPTC device with chemical solvent. Prolonged contact will damage the device performance.
NOTE : All Specifications subject to change without notice.
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