SMD1812-110 [LEIDITECH]
Smaller size saves board space and cost;
| 型号： | SMD1812-110 |
| 厂家： | 
Leiditech |
| 描述： | Smaller size saves board space and cost |
| 文件： | 总5页 (文件大小：764K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SMD1812 Series
A. Features 重要特性
♦
♦
♦
♦
♦
♦
Smaller size saves board space and cost
超小尺寸、节约空间和成本
Resettable circuit protection
自恢复保护、免维护
Fast time-to-trip
动作时间快
Low resistance
低内阻值
Surface mount packaging for automated assembly
贴片式封装，方便自动化生产
Lead-free and compliant with the European Union RoHS Directive 2002/95/EC
符合欧州ROHS无铅环保要求
B. Application 应用范围
Polymer Resettable Fuse for over-current, over-temperature and short-circuit protection
可恢复保险丝用于过流、温度和线路短路保护
♦
♦
♦
♦
♦
♦
Computer motherboards
计算机主板
IEEE1394 Ports
IEEE1394通讯接口
USB hub, ports and peripherals
USB交换机及外围设备
Phones
电话设备
Data communication
数据交换机
Modems/ Ethernet/LAN
调制解调器/以太网
C. General Description 简要概述
Polymer resettable fuse are made of polymeric PTC materials which is a matrix of
自恢复保险丝是聚合物高分子材料通过特殊工艺而成 ，
polymer containing dispersed conductive particles. Generally, the device has a very
高分子粒子按一定的规律排列，自恢复保险丝器件有低内阻
low resistance. If an over-current happened, as a response to the damage current,
当电路中电流突然增大时，
the resistance will immediately increase to very high, reducing the current of the
器件将会在短时间内阻值升到高阻状态、高分子膨胀
01.06.2015
1/5
Rev :
www.leiditech.com
SMD1812 Series
circuit to a safe value that the loading can carry. Once fault to the circuit is weed out
从而起到减少过电流；
and power is recuperated, the polymer will deflate itself , the device will reset and is
一旦故障排除后，高分子将会恢复正常规则排序。
ready for normal operation.
D. Product Dimensions 产品尺寸（mm）
A
B
C
D
E
型号
Min.
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
Max.
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
Min.
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
Max.
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
Min.
0.50
0.50
0.50
0.50
0.40
0.40
0.40
0.40
0.30
0.30
0.30
0.40
0.40
0.40
0.40
0.50
0.50
Max.
1.00
1.00
1.00
1.00
0.90
0.90
0.90
0.90
0.80
0.80
0.80
0.80
0.80
1.10
1.10
1.20
1.20
Min.
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
Min
SMD1812-010
SMD1812-014
SMD1812-020
SMD1812-030
SMD1812-050
SMD1812-075
SMD1812-110
1812-110-16V
SMD1812-125
SMD1812-150
1812-150-16V
SMD1812-160
SMD1812-200
SMD1812-250
SMD1812-260
SMD1812-300
SMD1812-350
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
01.06.2015
2/5
Rev :
www.leiditech.com
SMD1812 Series
E. Electrical Characteristics 电气参数
Max Time
to trip
Current Time R1min R1max
Resistance
Ihold
Itrip @
25℃
(A)
Pd
Max
(W)
Vmax
Model
Imax(A) @25℃
(Vdc)
(A)
(A)
0.5
1.5
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
10.0
(Sec)
1.50
1.15
0.02
0.10
0.15
0.20
0.30
0.30
0.40
0.50
0.50
1.00
2.00
2.00
2.00
2.50
2.50
2.50
2.50
4.00
4.00
4.00
(Ω)
0.750
0.650
0.350
0.250
0.150
0.090
0.050
0.050
0.050
0.040
0.040
0.030
0.020
0.020
0.020
0.015
0.015
0.015
0.015
0.012
0.012
0.008
(Ω)
15.00
6.000
5.000
3.000
1.000
0.450
0.250
0.250
0.140
0.160
0.160
0.130
0.100
0.100
0.100
0.050
0.050
0.050
0.050
0.040
0.040
0.030
SMD1812-010
SMD1812-014
SMD1812-020
SMD1812-030
SMD1812-050
SMD1812-075
SMD1812-110
1812-110-16V
30.0
33.0
30.0
30.0
30.0
33.0
8.0
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
0.10
0.14
0.20
0.30
0.50
0.75
1.10
1.10
1.25
1.50
1.50
1.60
2.00
2.00
2.00
2.50
2.60
2.60
2.60
3.00
3.00
3.50
0.30
0.34
0.40
0.60
1.00
1.50
2.20
2.20
2.50
3.00
3.00
2.80
4.00
4.00
4.00
5.00
5.00
5.00
5.00
5.00
5.00
6.00
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
2.0
16.0
16.0
8.0
SMD1812-125
SMD1812-150
1812-150-24V
24.0
8.0
SMD1812-160
SMD1812-200
SMD1812-200-12V
SMD1812-200-24V
SMD1812-250
SMD1812-260
SMD1812-260-12V
SMD1812-260-24V
SMD1812-300
SMD1812-300-16V
SMD1812-350
8.0
16.0
24.0
16.0
8.0
12.0
24.0
8.0
16.0
6.0
F. Thermal Derating 温度折减比 (A)
Maximum ambient operating temperature Vs.hold current
Model
-40℃
0.16
0.23
0.29
0.44
0.59
1.10
1.60
1.59
2.00
-20℃
0.14
0.19
0.26
0.39
0.57
0.99
1.45
1.44
1.75
0℃
0.12
0.17
0.23
0.35
0.55
0.87
1.28
1.27
1.52
25℃
0.11
0.14
0.20
0.30
0.50
0.75
1.10
1.10
1.25
40℃
0.08
0.12
0.17
0.26
0.45
0.63
0.92
0.92
1.00
50℃
0.07
0.10
0.15
0.23
0.43
0.57
0.83
0.83
0.95
60℃
70℃
0.05
0.08
0.12
0.18
0.30
0.45
0.66
0.65
0.75
85℃
0.03
0.06
0.10
0.15
0.23
0.35
0.52
0.51
0.53
SMD1812-010
SMD1812-014
SMD1812-020
SMD1812-030
SMD1812-050
SMD1812-075
SMD1812-110
1812-110-16V
SMD1812-125
0.06
0.09
0.14
0.21
0.35
0.49
0.71
0.70
0.90
01.06.2015
3/5
Rev :
www.leiditech.com
SMD1812 Series
SMD1812-150
1812-150-16V
SMD1812-160
SMD1812-200
SMD1812-250
SMD1812-260
1812-260-12V
2.30
2.29
2.10
2.88
3.85
3.90
3.90
2.05
2.03
1.96
2.61
3.45
3.42
3.41
1.77
1.77
1.88
2.25
3.00
2.96
2.95
1.50
1.50
1.60
2.00
2.5
1.23
1.23
1.26
1.80
2.05
2.33
2.32
1.09
1.09
1.12
1.66
1.85
2.07
2.07
0.95
0.95
0.98
1.45
1.75
1.94
1.93
0.82
0.82
0.84
1.09
1.30
1.35
1.35
0.61
0.60
0.63
0.80
1.10
1.00
1.00
2.60
2.60
SMD1812-300 4.15
SMD1812-350 4.84
3.76
4.39
3.46
4.04
3.00
3.50
2.55
2.98
2.28
2.66
2.01
2.35
1.61
1.88
1.33
1.55
IH/T-chart
G. Test Procedures and Requirements 测试条件
Test 测试项目
Resistance
Test Conditions 测试条件
Accept/Reject Criteria判定标准
Rmin≤R≤R
≤max. time to trip(seconds)
No trip
1max
In still air @ 25
Vmax, 25℃, In still air @ 25
30 min. at I In still air @ 25
Vmax, Imax, 100 cycles
@ 25
Vmax, 1 hours
℃
Time to Trip
Hold Current
Trip Cycle Life
℃
℃
T
H,
No arcing or burning
No arcing or burning
,
In still air
℃
Trip Endurance
,
In still air @ 25
℃
H. Solder Reflow Conditions 焊接时间与温度要求
01.06.2015
4/5
Rev :
www.leiditech.com
SMD1812 Series
I. Order information 定购信息
包装信息：
SMD1812 Series : 1500PCS /盘
基本术语说明
I
H： 保持电流
25℃静态空气环境中PPTC不工作的最高电流
25℃空气环境中PPTC动作所需的最小电流
25℃空气环境5倍IH时最大动作时间
PPTC的最大工作电压
IT： 触发电流
Ttrip： 动作时间
Vmax：最大工作电压
Imax：最大承受电流
Rmin： 最小电阻
R1maX：最大电阻
PPTC在电路工作最大承受电流
25℃环境温度下PPTC最小零功率阻值
正常动作一次后，放置1小时，在25℃环境温度下PPTC最大功率阻值
NOTE: TERMINAL PAD SOLDERABILITY :
MEETS EIA SPECIFICATION RS186-9E
AND ANSI、J-STD-002 CATEGORY 3.
器件的焊接符合美国标准协会J-STD-002 要求
有任何更改，我司将不另行通知。
Shanghai Leiditech Electronic Co.,Ltd
Email: sale1@leiditech.com
Tel : +86- 021 50828806
Fax : +86- 021 50477059
01.06.2015
5/5
Rev :
www.leiditech.com
相关型号：
UL1042
UL1042 - Uk砤d zr體nowa縪nego mieszacza iloczynowegoWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
ETC
ZXFV201
QUAD VIDEO AMPLIFIERWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
ZETEX
ZXFV201N14
IC-SM-VIDEO AMPWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
ZETEX
ZXFV201N14TA
QUAD VIDEO AMPLIFIERWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
ZETEX
ZXFV201N14TC
QUAD VIDEO AMPLIFIERWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
ZETEX
Warning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
ETC
Warning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
ETC
Warning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
ETC
Warning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
ETC
ZXFV302N16
IC-SM-4:1 MUX SWITCHWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
ETC
ZXFV4089
VIDEO AMPLIFIER WITH DC RESTORATIONWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
ZETEX
Warning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
ZETEX
©2020 ICPDF网 联系我们和版权申明