16R135BU Littelfuse Inc, 16R135BU Datasheet - Page 2

• Manufacturer Part Number: 16R135BU
• Description: PTC RESETTABLE 16V 1.35A RADIAL
• Manufacturer: Littelfuse Inc
• Series: POLYFUSE® USBRr

Specifications of 16R135BU

• R Min/max: 0.040 ~ 0.120 Ohm
• Voltage - Max: 16V
• Time To Trip: 4.5s
• Current - Hold (ih) (max): 1.35A
• Current - Trip (it): 2.7A
• Current - Max: 40A
• Package / Case: Radial
• Holding Current: 1.35A
• Tripping Current: 2.7A
• Initial Resistance Max: 0.12ohm
• Operating Voltage: 16VDC
• Ptc Fuse Case: Radial Lead
• Initial Resistance Min: 0.04ohm
• External Depth: 3mm
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

USBR Series
Temperature Rerating
Average Time Current Curves
Soldering Parameters
Part Number
06R075B
06R120B
06R155B
16R090B
16R135B
16R160B
16R185B
16R250B
16R110B
0.001
260
220
160
190
0.01
100
0.1
10
0
1
1
Preheating
60 min.
Current in Amperes
10
-40°C
2.17
2.32
2.68
3.63
1.05
1.69
1.31
1.60
1.96
Soldering
5 max.
Time(s)
POLYFUSE
-20°C
0.95
2.08
2.41
3.25
1.52
1.96
1.17
1.43
1.76
100
Cooling
USBR
Radial Leaded > USBR Series
0.85
2.13
2.88
1.36
1.75
1.04
1.27
1.55
1.84
0°C
1000
®
Revised: July 12, 2010
Resettable PTCs
Ambient Operation Temperature
23°C
0.75
0.90
2.50
1.20
1.55
1.10
1.35
1.60
1.85
64
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.
Hold Current (A)
Temperature Rerating Curve
Pre-Heating
Zone
Soldering Zone
Cooling Zone
170%
150%
130%
110%
40°C
90%
70%
50%
30%
10%
0.65
0.75
2.08
1.04
1.34
1.00
1.12
1.33
1.54
-40 -30 -20
B
A
06R07 B
06R120B
06R1
Please refer to www.littelfuse.com/series/USBR.html for current information.
A
Line/Part Number:
50°C
0.60
0.96
0.69
0.92
1.24
1.04
1.23
1.42
1.93
B
Refer to the condition recommended by the
flux manufacturer. Max. ramping rate should
not exceed 4°C/Sec.
Max. solder temperature should not exceed
260°C
Cooling by natural convection in air.
-10
16R090B
16R110B
16R13 B
0
B
10
16R160B
16R18 B
16R2 0B
Specifications are subject to change without notice.
60°C
0.55
0.88
0.61
0.75
0.92
1.09
1.26
1.70
1.13
Temperature (°C)
20
30
40
70°C
0.50
0.80
0.55
0.67
0.82
0.98
1.03
1.53
1.13
50
60
© 2010 Littelfuse, Inc.
70
85°C
0.43
0.68
0.88
0.47
0.57
0.70
0.83
0.96
1.30
80 85
B
A