参数资料
| 型号： | 16R185BU |
| 厂商： | Littelfuse Inc |
| 文件页数： | 2/5页 |
| 文件大小： | 0K |
| 描述： | PTC RESETTABLE 16V 1.85A RADIAL |
| 标准包装： | 500 |
| 系列： | POLYFUSE® USBR |
| 电流 - 维持(Ih)： | 1.85A |
| 电流 - 跳闸(It)： | 3.7A |
| 电流 - 最大： | 40A |
| 电压 - 最大： | 16V |
| R最小/最大： | 0.030 ~ 0.090 欧姆 |
| 跳闸时间： | 10s |
| 封装/外壳： | 径向 |
| 包装： | 散装 |
POLYFUSE ? Resettable PTCs
Radial Leaded > USBR Series
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
23°C
40°C
50°C
60°C
70°C
85°C
Part Number
Hold Current (A)
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
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
Temperature Rerating Curve
170%
100
10
USBR
150% B
130% A
110%
90%
70%
50%
Line/Part Number:
A B
06R07 5 B 16R090B 16R160B ????????????
06R120B 16R110B 16R18 5 B
A
B
1
30%
10%
06R1 55 B 16R13 5 B 16R2 5 0B
-40 -30 -20
-10
0
10
20 30 40
50
60
70
80 85
Temperature (°C)
0.1
0.01
0.001
1
10
100
1000
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
Soldering Parameters
Current in Amperes
verify the performance in their application.
260
Soldering
Cooling
Pre-Heating
Zone
Refer to the condition recommended by the
?ux manufacturer. Max. ramping rate should
not exceed 4°C/Sec.
220
190
160
Preheating
Soldering Zone
Cooling Zone
Max. solder temperature should not exceed
260°C
Cooling by natural convection in air.
0
60 min.
5 max.
Time(s)
USBR Series
64
Revised: July 12, 2010
? 2010 Littelfuse, Inc.
Speci?cations are subject to change without notice.
Please refer to www.littelfuse.com/series/USBR.html for current information.
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