参数资料
| 型号： | 16R185BU |
| 厂商： | Littelfuse Inc |
| 文件页数： | 3/5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
Physical Speci?cations
Environmental Speci?cations
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, ?ame retardant epoxy polymer
meets UL 94V-0 requirements.
Marked with ‘LF’, voltage, current rating,
and date code.
Operating/Storage
Temperature
Maximum Device Surface
Temperature in Tripped State
Passive Aging
Humidity Aging
Thermal Shock
Solvent Resistance
Moisture Sensivitivy Level
-40°C to +85°C
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 215F
Level 1, J–STD–020C
Dimensions (mm)
A
B
D
C
Figure 1
E
A
C
B
D
Figure 2
E
A
B
C
D
E
Physical Characteristics
Part
Number
Figure
Inches
Max.
mm
Max.
Inches
Max.
mm
Max.
Inches
Typ.
mm
Typ.
Inches
Min.
mm
Min.
Inches
Max.
mm
Max.
Lead (dia)
Inches mm
Material
06R075B
06R120B
06R155B
16R090B
16R110B
16R135B
16R160B
16R185B
16R250B
1
1
1
2
2
2
2
2
2
0.27
0.27
0.27
0.29
0.29
0.35
0.35
0.40
0.45
6.9
6.9
6.9
7.4
7.4
8.9
8.9
10.2
11.4
0.45
0.46
0.46
0.48
0.56
0.53
0.60
0.62
0.72
11.4
11.7
11.7
12.2
14.2
13.5
15.2
15.7
18.3
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
3
3
3
3
3
3
3
3
3
0.020
0.020
0.020
0.020
0.020
0.020
0.020
0.020
0.020
0.51
0.51
0.51
0.51
0.51
0.51
0.51
0.51
0.51
Sn/Cu
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Part Marking System
Double Sided Marking
0.75A to 1.55A
Single Sided Marking
1.35A to 2.50A
Double Sided Marking
0.90A to 1.10A
Top Side
Bottom Side
Top Side
Bottom Side
Littelfuse
T rademark
06
07 5 B
Voltage Rating
Current Rating
Littelfuse
T rademark
06
XXXX
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
T rademark
16
13 5 B
XXXX
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
Littelfuse
T rademark
16
110U
Voltage Rating
Current Rating
Littelfuse
T rademark
16
XXXX
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
information)
? 2010 Littelfuse, Inc
Speci?cations are subject to change without notice.
Please refer to www.littelfuse.com/series/USBR.html for current information.
6 5
Revised: July 12, 2010
USBR Series
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