POLY-FUSE® Resettable PPTCs
Radial Leaded > 16R Series
16R Series
RoHS
Description
ittelfuse 16R Series Radial Leaded PTCs are designed to
L
provide resettable overcurrent protection serving a wide
range of electronics applications. With maximum 16 volts
and maximum 100-ampere short circuit rating, they offer
an ideal solution for USB protection.
Features
• 100A short circuit rating
• 16V Operating voltages
• Fast time–to–trip
• Meets all USB protection
requirements
• RoHS compliant, Lead-
Free and Halogen-Free*
Applications
• Computers & peripherals
• Any USB application
• General Electronics
Agency Approvals
Agency
Agency File Number
E183209
Additional Information
R50119318
Datasheet
Resources
Samples
Electrical Characteristics
Part Number
I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
Pd typ.
(W)
Maximum Time To Trip
Current
Time
(A)
(Sec.)
Resistance
R min
R 1max
(Ω)
(Ω)
Agency Approvals
16R250G
2.5
4.7
16
100
1.0
12.5
5.0
0.0220
0.0530
X
X
16R300G
3.0
5.1
16
100
2.3
15.0
1.0
0.0380
0.0975
X
X
16R400G
4.0
6.8
16
100
2.4
20.0
1.7
0.0210
0.0600
X
X
16R500G
5.0
8.5
16
100
2.6
25.0
2.0
0.0150
0.0340
X
X
16R700G
7.0
11.9
16
100
3.0
35.0
3.5
0.0077
0.0200
X
X
16R800G
8.0
13.6
16
100
3.0
40.0
5.0
0.0056
0.0175
X
X
16R900G
9.0
15.3
16
100
3.3
45.0
5.5
0.0047
0.0135
X
X
16R1000G
10.0
17.0
16
100
3.6
50.0
6.0
0.0040
0.0102
X
X
16R1400G
14.0
23.8
16
100
4.6
70.0
9.0
0.0026
0.0064
X
X
CAUTION: Operation beyond the specified rating may result in damage and possible arcing and flame.
I hold = Hold current: maximum current device will pass without tripping in 20°C still air.
I trip = Trip current: minimum current at which the device will trip in 20°C still air.
Vint = Maximum voltage the device can withstand without damage at rated current (I max)
Vop = The device regular operation voltage
I max = Maximum fault current device can withstand without damage at rated voltage (Vmax)
P d = Power dissipated from device when in the tripped state at 20°C 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 20°C measured one hour after tripping.
* Effective February 11, 2010 onward, all 600R PTC products will be manufactured Halogen Free (HF). Existing
Non-Halogen Free 600R PTC products may continue to be sold, until supplies are depleted. This change will
have no effect on 600R product specifications or performance.
WARNING
• Users shall independently assess the suitability of these devices for each of their applications
• Operation of these devices beyond the stated maximum ratings could result in damage to the devices and lead to electrical arcing and/or fire
• These devices are intended to protect against the effects of temporary over-current or over-temperature conditions and are not intended to perform as protective devices where such conditions are expected to be
repetitive or prolonged in duration
• Exposure to silicon-based oils, solvents, electrolytes, acids, and similar materials can adversely affect the performance of these PPTC devices
• These devices undergo thermal expansion under fault conditions, and thus shall be provided with adequate space and be protected against mechanical stresses
• Circuits with inductance may generate a voltage (L di/dt) above the rated voltage of the PPTC device.
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: BO.12/07/20
POLY-FUSE® Resettable PPTCs
Radial Leaded > 16R Series
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
20°C
Part Number
40°C
50°C
60°C
70°C
85°C
Hold Current (A)
16R250G
3.7
3.3
2.9
2.5
2.2
2.0
1.8
1.6
1.3
16R300G
4.4
4.0
3.5
3.0
2.6
2.4
2.1
1.9
1.6
16R400G
5.9
5.3
4.7
4.0
3.5
3.2
2.9
2.6
2.1
16R500G
7.4
6.6
5.9
5.0
4.4
4.0
3.6
3.2
2.6
16R700G
10.4
9.3
8.2
7.0
6.1
5.6
5.0
4.5
3.7
16R800G
11.8
10.6
9.4
8.0
7.0
6.3
5.7
5.1
4.2
16R900G
13.3
12.0
10.6
9.0
7.8
7.1
6.5
5.8
4.7
16R1000G
14.8
13.3
11.8
10.0
8.7
7.9
7.1
6.4
5.3
16R1400G
20.7
18.6
16.5
14.0
12.2
11.1
10.0
9.0
7.4
Temperature Rerating Curve
14.0 A
7.0 A
8.0 A
9.0 A
10.0 A
2.5 A
3.0 A
4.0 A
5.0 A
Average Time Current Curves
170%
150%
Percentage of Rated Current
Time in Hectoseconds (100 Seconds)
1
0.1
130%
110%
90%
70%
50%
30%
0.01
10%
-40 -30 -20
0
10
20 30
40
Temperature (°C)
50
60
70
80
Note:
Typical Temperature rerating curve, refer to table for derating data
0.001
0.0001
-10
1
10
100
1000
Current in Amperes
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.
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: BO.12/07/20
POLY-FUSE® Resettable PPTCs
Radial Leaded > 16R Series
Soldering Parameters - Wave Soldering
Refer to the condition recommended by the flux
manufacturer.
Max. ramping rate should not exceed 4°C/Sec.
Soldering Zone
Max. solder temperature should not exceed 260°C.
Time within 5°C of actual Max. solder temperature
within 3 - 5 seconds.
Total time from 25°C room to Max. solder temperature
within 5 minutes including Pre-Heating time.
Cooling Zone
Cooling by natural convection in air.
Max. ramping down rate should not exceed 6°C/Sec.
Soldering
260
Cooling
255
Temperature(°C)
Pre-Heating Zone
Preheating
125
100
25
5 max.
60 - 180
Time(s)
Environmental Specifications
Physical Specifications
Lead Material
Soldering
Characteristics
Insulating Material
Device Labeling
2.5A: Tin-plated Copper clad Steel
3.0 - 14.0A: Tin-plated Copper
Solderability per MIL–STD–202,
Method 208
Cured, flame retardant epoxy polymer meets
UL94V-0 requirements.
Marked with ‘LF’, voltage, current rating, and date
code.
-40°C to +85°C
Operating/Storage Temperature
Maximum Device Surface
Temperature in Tripped State
125°C
+85°C, 1000 hours
-/+5% typical resistance change
+85°C, 85% R.H., 1000 hours
-/+5% typical resistance change
+85°C to -40°C 10 times
-/+5% typical resistance change
MIL–STD–202, Method 215
No change
Level 1, J–STD–020
Passive Aging
Humidity Aging
Thermal Shock
Solvent Resistance
Moisture Resistance Level
Dimensions & Part Marking System
Figure 1
A
Figure 2
E
Single Sided Marking
E
A
Littelfuse
Trademark
B
Part
Figure
Number
16R250G
16R300G
16R400G
16R500G
16R700G
16R800G
16R900G
16R1000G
16R1400G
2
1
1
1
1
1
1
1
1
A
Inches
Max.
0.35
0.28
0.35
0.41
0.44
0.50
0.55
0.65
0.93
D
Inches
Max.
0.50
0.43
0.50
0.56
0.78
0.82
0.85
0.99
1.10
C
F
B
mm
Max.
8.90
7.10
8.90
10.40
11.20
12.70
14.00
16.50
23.50
C
mm
Max.
12.80
11.00
12.80
14.30
19.70
20.90
21.70
25.20
27.90
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
B
D
C
16
250G
XXXX
Inches
Typ.
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.40
mm
Typ.
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
10.2
D
Inches mm
Min.
Min.
0.13
3.18
0.30
7.6
0.30
7.6
0.30
7.6
0.30
7.6
0.30
7.6
0.30
7.6
0.30
7.6
0.30
7.6
F
E
Inches
Max.
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.14
F
mm
Max.
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.50
Inches
Typ.
0.035
0.047
0.047
0.047
0.047
0.047
0.047
0.047
0.055
mm
Typ.
0.9
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.4
Physical Characteristics
Lead (dia)
Material
Inches mm
0.020
0.51
Sn/CuFe
0.032
0.81
Sn/Cu
0.032
0.81
Sn/Cu
0.032
0.81
Sn/Cu
0.032
0.81
Sn/Cu
0.032
0.81
Sn/Cu
0.032
0.81
Sn/Cu
0.032
0.81
Sn/Cu
0.039
1.00
Sn/Cu
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: BO.12/07/20
POLY-FUSE® Resettable PPTCs
Radial Leaded > 16R Series
Part Ordering Number System
16 R 700 G KL M R
Packaging Style
Blank: Bulk
R: Tape & Ammo
Series
Quantity Code: F=200 H=100 M=1000 P=2000 U=500
Kinked Lead Device Option Identifier (16R700GKL product only)
Type: G (16vdc)
IHold Current Code (See Table Below)
R: Radial
Voltage Rating (Vdc)
Packaging Options
Part Number
Ordering Number
16R250G
16R250GU
16R300GU
16R300GPR
16R400GU
16R400GPR
16R500GU
16R500GPR
16R700GMR
16R800GF
16R900GF
16R900GMR
16R1000GMR
16R1400GH
16R300G
16R400G
16R500G
16R700G
16R800G
16R900G
16R1000G
16R1400G
I hold
(A)
2.50
I hold Code
Packaging Option
Quantity
Quantity & Packaging Codes
250
Bulk
Bulk
Tape and Ammo
Bulk
Tape and Ammo
Bulk
Tape and Ammo
Tape and Ammo
Bulk
Bulk
Tape and Ammo
Tape and Ammo
Bulk
500
500
2000
500
2000
500
2000
1000
200
200
1000
1000
100
U
U
PR
U
PR
U
PR
MR
F
F
MR
MR
H
3.00
300
4.00
400
5.00
500
7.00
8.00
700
800
9.00
900
10.00
14.00
1000
1400
WARNING
• Users shall independently assess the suitability of these devices for each of their applications
• Operation of these devices beyond the stated maximum ratings could result in damage to the devices and lead to electrical arcing and/or fire
• These devices are intended to protect against the effects of temporary over-current or over-temperature conditions and are not intended to perform as protective devices where such conditions are expected to be repetitive or
prolonged in duration
• Exposure to silicon-based oils, solvents, electrolytes, acids, and similar materials can adversely affect the performance of these PPTC devices
• These devices undergo thermal expansion under fault conditions, and thus shall be provided with adequate space and be protected against mechanical stresses
• Circuits with inductance may generate a voltage (L di/dt) above the rated voltage of the PPTC device.
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: BO.12/07/20
POLY-FUSE® Resettable PPTCs
Radial Leaded > 16R Series
Tape and Ammo Specifications
Devices taped using EIA468-B/IE286-2 standards. See table below and Figure 1 for details.
Dimension
EIA Mark
IEC Mark
Carrier tape width
W
Hold down tape width:
Dimensions
Dim. (mm)
Tol. (mm)
W
18
-0.5 /+1.0
W4
W0
11
min.
Top distance between tape edges
W6
W2
3
max.
Sprocket hole position
W5
W1
9
-0.5 /+0.75
Sprocket hole diameter*
D0
D0
4
-0.32 /+0.2
Abscissa to plane(straight lead)
H
H
18.5
-/+ 3.0
Abscissa to plane(kinked lead)
H0
H0
16
-/+ 0.5
Abscissa to top
-
-
45.0
max.
Overall width w/o lead protrusion
-
-
56
max.
Overall width w/ lead protrusion
-
-
57
max.
Lead protrusion
L1
l1
1.0
max.
Protrusion of cut out
L
L
11
max.
Protrusion beyond hold-down tape
l2
l2
Not specified
Sprocket hole pitch
P0
P0
25.4
Device pitch:
-
-
25.4
Pitch tolerance
-
-
20 consecutive.
-/+ 1
Tape thickness
t
t
0.9
max.
Tape thickness with splice
t1
-
2.0
max.
Splice sprocket hole alignment
-/+ 0.5
-
-
0
-/+ 0.3
Body lateral deviation
Δh
Δh
0
-/+ 1.0
Body tape plane deviation
Δp
Δp
0
-/+ 1.3
Ordinate to adjacent component lead*
P1
P1
3.81
-/+ 0.7
Ordinate to adjacent component lead*
-
-
7.62
-/+ 0.7
Lead spacing:16R250G-16R1000G
F
F
5.08
-/+ 0.8
Lead spacing:16R1400G
F
F
10.18
-/+ 0.8
*Differs from EIA specification
Tape and Ammo Diagram
∆h
Figure 1
∆h
∆h
∆p
Reference plane
A1
H1
H1 C1
H C2
F
A
L
B
H0
W4
W5
W
I2
L1
P0
D0
Direction of unreeling
Cross section A - B
t
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not
designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics.
Reel
© 2020 Littelfuse, Inc.
Specifications are subject
change without notice.
Uppertoside
Revised: BO.12/07/20
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