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POLYFUSE(R) Resettable PTCs
Radial Leaded
USBR Series
Description * The USBR series radial leaded device is designed to provide overcurrent protection for USB applications where space is not a concern.
Features * RoHS compliant and lead-free * Fast time-to-trip * Meets all USB protection requirements Applications * Computers & peripherals * Any USB application * 40A short circuit rating * Operating voltages of 6-16V
Agency Approvals
AGENCY AGENCY FILE NUMBER E183209 R50082521
Electrical Characteristics
I hold (A) 0.75 1.20 1.55 0.90 1.10 1.35 1.60 1.85 2.50 I trip (A) 1.30 2.00 2.70 1.80 2.20 2.70 3.20 3.70 5.00 V max (Vdc) 6 6 6 16 16 16 16 16 16 I max (A) 40 40 40 40 40 40 40 40 40 Pd max. (W) 0.3 0.6 0.6 0.6 0.7 0.8 0.9 1.0 1.2 Maximum Time To Trip Current (A) 8.00 8.00 7.75 8.00 8.00 8.00 8.00 8.00 8.00 Time (Sec.) 0.4 0.5 2.2 1.2 2.3 4.5 9.0 10.0 40.0 Resistance R min () 0.100 0.065 0.040 0.070 0.050 0.040 0.030 0.030 0.020 R 1max () 0.230 0.140 0.100 0.180 0.140 0.120 0.110 0.090 0.060 X X X X X X X X X X X X X X X X X X Agency Approvals
Part Number
06R075B 06R120B 06R155B 16R090B 16R110B 16R135B 16R160B 16R185B 16R250B
I hold = Hold current: maximum current device will pass without tripping in 20C still air. I trip = Trip current: minimum current at which the device will trip in 20C still air. V max = Maximum voltage device can withstand without damage at rated current (I max) I max = Maximum fault current device can withstand without damage at rated voltage (Vmax) Pd = Power dissipated from device when in the tripped state at 20C still air.
R min = Minimum resistance of device in initial (un-soldered) state. R typ = Typical resistance of device in initial (un-soldered) state. R 1max = Maximum resistance of device at 20C measured one hour after tripping or reflow soldering of 260C for 20 sec. Caution: Operation beyond the specified rating may result in damage and possible arcing and flame.
USBR Series Specifications are subject to change without notice.
Electronics Designers Guide
www.littelfuse.com (c)2006 Littelfuse
POLYFUSE(R) Resettable PTCs
Radial Leaded
Temperature Rerating
Ambient Operation Temperature -40C Part Number 06R075B 06R120B 06R155B 16R090B 16R110B 16R135B 16R160B 16R185B 16R250B 1.05 1.69 2.17 1.31 1.60 1.96 2.32 2.68 3.63
30R Series
-20C
0C
23C
40C Hold Current (A)
50C
60C
70C
85C
0.95 1.52 1.96 1.17 1.43 1.76 2.08 2.41 3.25
0.85 1.36 1.75 1.04 1.27 1.55 1.84 2.13 2.88
0.75 1.20 1.55 0.90 1.10 1.35 1.60 1.85 2.50
0.65 1.04 1.34 0.75 1.00 1.12 1.33 1.54 2.08
0.60 0.96 1.24 0.69 0.92 1.04 1.23 1.42 1.93
0.55 0.88 1.13 0.61 0.75 0.92 1.09 1.26 1.70
0.50 0.80 1.03 0.55 0.67 0.82 0.98 1.13 1.53
0.43 0.68 0.88 0.47 0.57 0.70 0.83 0.96 1.30
Average Time Current Curves
0.900A 1.10A 1.35A 1.60A 1.85A 2.50A 3.00A 4.00A 5.00A 6.00A 7.00A 8.00A 9.00A
Temperature Rerating Curve Temperature Rerating Curve:
170% 150% B Percentage of Rated Current 130% A 110% 90% 70% 50% 30% 10% A B
100000
10000
1000
TIME IN SECONDS
100
10
-40 -30 -20
-10
0
10
20 30 40 Temperature (C)
50
60
70
80 85
1
A: 06R075B, 06R120B, 06R155B
B: 16R090B, 16R110B, 16R135B, 16R160B, 16R185B, 16R250B,
0.100
0.010
0.001 0.20 1 10 100 1000
CURRENT IN AMPERES
Specifications are subject to change without notice.
Note: 1.00 means the number one with two decimal places. AKL V3.9 06.05.16
The average time current curves and temperature rerating curve performance is affected by a number or variables, and these curves provided as guidance only. Customer must verify the performance in their application.
USBR Series Specifications are subject to change without notice.
Electronics Designers Guide
www.littelfuse.com (c)2006 Littelfuse
POLYFUSE(R) Resettable PTCs
Radial Leaded
Soldering Parameters - Wave Soldering
Refer to the condition recommended by the flux manufacturer.
Temperature (C)
Pre-Heating Zone
260 220
Soldering
Cooling
Max. ramping rate should not exceed 4C/Sec. Max. solder temperature should not exceed 260C Cooling by natural convection in air.
190 160
Preheating
Soldering Zone
Cooling Zone
0
60 min.
5 max. Time(s)
Physical Specifications
Lead Material Soldering Characteristics Insulating Material Device Labeling .90-2.50A: Tin-plated copper clad steel .75A: Tin-plated copper Solderability per MIL-STD-202, Method 208E Cured, flame retardant epoxy polymer meets UL94V-0 requirements. Marked with LF, voltage, current rating, and date code.
Environmental Specifications
Operating/Storage Temperature Maximum Device Surface Temperature in Tripped State Passive Aging Humidity Aging -40C to +85C 125C +85C, 1000 hours 5% typical resistance change +85C, 85%R.H. 1000 hours 5% typical resistance change +85C to -40C 10 times 5% typical resistance change MIL-STD-202, Method 215F
Thermal Shock
Solvent Resistance
USBR Series Specifications are subject to change without notice.
Electronics Designers Guide
www.littelfuse.com (c)2006 Littelfuse
POLYFUSE(R) Resettable PTCs
Radial Leaded
A
Figure 1 Figure 2
Dimensions (mm)
A
Figure 2
E
E
Figure 1
Figure 1 2 Figure
Figure 1 Figure 2
A
MARKING
AA
MARKING MARKING
E MARKING AA
MARKING MARKING
EA
MARKING
B
B B
B
B
B
MARKING
B
B
Figure 1
D CC
Figure 2
D D
Figure 2
D C
C
D
D
E
C
D
D
Figure 1
A
A mm Max. 6.9 B 6.9 6.9 7.4 7.4
C
A
A
Part Number 06R075B 06R120B 06R155B 16R090B
Figure 1 Figure 1
Littelfuse Trademark
Figure
MARKING
C
E
C Figure
E Physical Characteristics Lead Sided Marking (dia) Double Inches Top Side mm
Voltage Littelfuse Rating Current Rating Trademark
A
B Max. 0.46 0.46 0.48 0.53 Max. 11.4 11.7
MARKING
C
D Typ. 5.1 5.1
1.35A to 2.50A
Inches MARKING 0.27 06 0.27 0.27 0.29 0.35
Double Sided Marking 0.75A to 1.55A
Inches B mm Sided Marking Inches Single Typ. 0.45 06
Littelfuse 16 Trademark Voltage Rating 135B Littelfuse XXXX Current Rating Trademark
Max. Top Side
075B
Double Sided Marking 1.35A to 2.50A Marking Double Sided 0.75A to 1.55A MARKING 0.75A to 1.55A Top Side Top Side
075B
mm B Inches Sided MarkingSidedInches Sided Marking mm mm Single Sided Marking Double Single Marking Double Min. 0.30 0.30
0.90A to 1.10A 1.35A to 2.50A Top Side
Min. 7.6 7.6 7.6 7.6
Max. 0.12 0.12 0.12
0.90A to 1.10A Top Side
Max. 3 3 3 3 3 3 3 3
0.90A to 1.10A
Material
Voltage Rating Current Rating
Figure 1
0.90A to 1.10A Top Side
Littelfuse Voltage Rating Trademark Current Rating
B 0.20 06
0.20
075B
Littelfuse Voltage Rating Trademark Current Rating Voltage Rating Date Code Current (Contact Littelfuse Rating for additional information)
135B Trademark XXXX
16 Littelfuse
Voltage Rating Littelfuse 16 Current Rating Trademark 110U Date Code (Contact Littelfuse for additional information)
Current Rating 135B XXXX
Voltage Rating 16 Trademark
Littelfuse
D
Double Sided Marking 11.7 0.75A to 1.55A 0.20 5.1 D 0.30 Side 12.2 Top0.20 5.1 0.30
075B
0.12 Sided Marking 0.020 3 Single
1.35A to 2.50A
16 Voltage Rating 110U Current Rating Date Code (Contact Littelfuse for additional information)
0.020 0.020 0.020
110U
16
0.51 0.51 0.51 0.51 0.51 0.51 0.51
Sn/Cu
Sn/CuFe Sided1 Double Marking Sn/CuFe Sn/CuFe
Littelfuse Trademark
1 2 2 2 2 2 2
16R110B Figure 0.29 2 Figure 2 16R135B
D 8.9C
Littelfuse Voltage Rating Trademark Date Code (Contact Littelfuse for additional information)
Littelfuse 14.2 0.56 Trademark
0.20 06D 0.20 0.20 06 0.20
XXXX
5.1 Rating 0.30 Voltage 5.1 5.1 5.1 5.1
Voltage Rating Date Code (Contact Littelfuse for additional information)
Trademark 7.6 0.12
Littelfuse
13.5
0.20 C
Bottom Side
Current Rating
135B XXXX
16
Current Rating 0.51 0.020 Date Code
Voltage Rating
Sn/CuFe Sn/CuFe Sn/CuFe
110U
16
Voltage Curren
0.30 0.30 0.30 0.30
7.6
Bottom Side
XXXX
0.12 0.12
Littelfuse Voltage Rating Trademark Date Code (Contact Littelfuse for additional information)
0.020
Voltage Littelfuse Rating Date Code Trademark (Contact Littelfuse for additional information)
AA
MARKING MARKING
(Contact Littelfuse for additional information)
16R160B A A 0.35 8.9 E E Bottom Side 15.2 0.60 Bottom Side C C 06 10.2 0.6206 15.7 16R185B 0.40
Littelfuse Trademark
7.6 7.6 7.6
Bottom Side
XXXX
0.020 Bottom0.51 Side 0.020 0.020
XXXX
16R250B
0.45
XXXX
XXXX
11.4
0.72
18.3
Voltage Littelfuse Rating Date Code Trademark (Contact Littelfuse for additional information)
Littelfuse Trademark
16
0.12 0.12
16
16
Voltage Rating Date Code (Contact Littelfuse for additional information)
Sn/CuFe Sn/CuFe
MARKING MARKING
BB
BB Part Marking System
Double Sided Marking 0.75A to 1.55A Top Side Single Sided Marking 1.35A to 2.50A Bottom Side Single Sided Marking Littelfuse 1.35A to 2.50A Trademark
XXXX
Double Sided Marking 0.90A to 1.10A Top Side Bottom Side
Voltage Rating Current Rating Littelfuse Trademark
D D0.75A to 1.55A
Top Side
Littelfuse Trademark
Double Sided Marking
075B
06
DD
Voltage Rating Current Rating Littelfuse Trademark
Littelfuse Trademark
06
CC
Littelfuse Trademark
075B
06
CC
Voltage Rating Current Rating
135B XXXX
16
Voltage Rating Current Rating Voltage Rating Date Code Date Code (Contact Littelfuse (Contact Littelfuse for additional for additional information) information) Littelfuse Voltage Rating Trademark Current Rating Date Code (Contact Littelfuse for additional information)
135B XXXX
16
Double Sided Marking Littelfuse 0.90A to 1.10A Trademark Top Side 16
110U
16
XXXX
16
Voltage Date C (Contac for add informa
110U
Voltage Rating Current Rating
g
Bottom Marking Single Marking Single SidedSidedSide 1.35A1.35A to 2.50A to 2.50A
Littelfuse Trademark
Bottom Side Double Marking Double SidedSided Marking 0.90A0.90A to 1.10A to 1.10A Top Top Side Side
Littelfuse Littelfuse Trademark Trademark Littelfuse Trademark
Bottom Side
VoltageVoltage RatingLittelfuse Rating Current urrent Rating RatingTrademark Littelfuse Littelfuse Trademark Trademark
XXXX
06
Voltage Rating Date Code XXXX (Contact Littelfuse for additional VoltageVoltage Rating Rating information) 16 16 Current Current Rating Rating 135B 135B Voltage XXXX XXXXRating Date Code Code Date Date Code (Contact Littelfuse (Contact Littelfuse (Contact Littelfuse additional for additional for for additional information) information) information)
06
XXXX
16
Bottom Side
Littelfuse VoltageVoltage Rating Rating Trademark Current Current Rating Rating
Voltage Rating Date Code (Contact Littelfuse for additional information)
110U 110U
16
16
XXXX
16
Voltage Rating Date Code (Contact Littelfuse for additional information)
Bottom Bottom Side Side
VoltageVoltage Rating Rating Date Date Code Code (Contact Littelfuse (Contact Littelfuse for additional for additional information) information)
USBR Series Specifications are subject to change without notice.
Littelfuse Littelfuse Trademark Trademark
XXXX XXXX
16
16
VoltageVoltage Rating Rating Date Date Code Code (Contact Littelfuse (Contact Littelfuse for additional for additional information) information) Electronics Designers
www.littelfuse.com Guide (c)2006 Littelfuse
POLYFUSE(R) Resettable PTCs
Radial Leaded
Part Numbering System
16 R 090
B PR
PACKAGING STYLE BLANK: Bulk R: Tape & Ammo QUANTITY CODE: P=2000 U=500 TYPE: B=USB I HOLD CURRENT CODE (SEE TABLE BELOW)
SERIES
R: RADIAL VOLTAGE RATING (VDC)
Packaging
I hold (A) 0.75 1.20 1.55 0.90 1.10 1.35 1.60 1.85 2.50 I hold Code 075 120 155 080 110 135 160 185 250 Voltage 6 6 6 16 16 16 16 16 16 Packaging Option Bulk Tape and Ammo Bulk Tape and Ammo Bulk Tape and Ammo Bulk Tape and Ammo Bulk Tape and Ammo Bulk Tape and Ammo Bulk Tape and Ammo Bulk Tape and Ammo Bulk Tape and Ammo Quantity 500 2000 500 2000 500 2000 500 2000 500 2000 500 2000 500 2000 500 2000 500 2000 Quantity & Packaging Codes U PR U PR U PR U PR U PR U PR U PR U PR U PR
USBR Series Specifications are subject to change without notice.
Electronics Designers Guide
www.littelfuse.com (c)2006 Littelfuse

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