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参数资料
| 型号： | 0157002DRT |
| 元件分类： | 保险丝 |
| 英文描述： | TIME LAG BLOW ELECTRIC FUSE, 2A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT |
| 封装： | HALOGEN FREE AND ROHS COMPLIANT |
| 文件页数： | 2/4页 |
| 文件大小： | 158K |
| 代理商： | 0157002DRT |
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
100
2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Surface Mount Fuses
157T Series
NANO2 > 157T Fuse and Holder Combination
Please refer to www.littelfuse.com/series/157T.html for current information.
Average Time Current Curves
Reflow Condition
Pb – Free assembly
Pre Heat
-Temperature Min (T
s(min))
150°C
-Temperature Max (T
s(max))
200°C
-Time (Min to Max) (t
s)
60 – 120 secs
Average ramp up rate (LiquidusTemp
(T
L) to peak
5°C/second max
T
S(max) to TL - Ramp-up Rate
5°C/second max
Reflow
-Temperature (T
L) (Liquidus)
217°C
-Temperature (t
L)
60 – 90 seconds
PeakTemperature (T
P)
250+0/-5 °C
Time within 5°C of actual peak
Temperature (t
p)
20 – 40 seconds
Ramp-down Rate
5°C/second max
Time 25°C to peakTemperature (T
P)
Do not exceed
260°C
Soldering Parameters
Temperature Rerating Curve
0.001
0.01
0.1
1
10
100
0.1
1
10
100
CURRENT IN AMPS
TIME
IN
S
E
CO
ND
S
.37
5
A
.5
0A
.7
5
A
1.0A
3.0A
2.
5
A
2.0A
1.
5
A
3.
5
A
4A
5
A
continuous operation.
Time
T
e
mperature
TP
TL
TS(max)
TS(min)
25
tP
tL
tS
time to peak temperature
(t 25C to peak)
Ramp-down
Ramp-up
Preheat
Critical Zone
TL to TP
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 0157003.DR | 功能描述:保险丝 260C 3A SMF NANO CLIP VFA RoHS:否 制造商:Littelfuse 产品:Surface Mount Fuses 电流额定值:0.5 A 电压额定值:600 V 保险丝类型:Fast Acting 保险丝大小/组:Nano 尺寸:12.1 mm L x 4.5 mm W 安装风格: 端接类型:SMD/SMT 系列:485 |
| 0157003.DR | 制造商:Littelfuse 功能描述:Surface Mount Fuse w/ Fuse Clip 制造商:Littelfuse 功能描述:FUSE CLIP W/3A FUSE, FAST ACTING |
| 0157003.DRT | 功能描述:保险丝 SMF NANO CLIP SB 260V 3A RoHS:否 制造商:Littelfuse 产品:Surface Mount Fuses 电流额定值:0.5 A 电压额定值:600 V 保险丝类型:Fast Acting 保险丝大小/组:Nano 尺寸:12.1 mm L x 4.5 mm W 安装风格: 端接类型:SMD/SMT 系列:485 |
| 0157003.DRT | 制造商:Littelfuse 功能描述:FUSE W/ CLIP 3A SLOW BLOW SMD |
| 0157004.DR | 功能描述:保险丝 260C 4A SMF NANO CLIP VFA RoHS:否 制造商:Littelfuse 产品:Surface Mount Fuses 电流额定值:0.5 A 电压额定值:600 V 保险丝类型:Fast Acting 保险丝大小/组:Nano 尺寸:12.1 mm L x 4.5 mm W 安装风格: 端接类型:SMD/SMT 系列:485 |
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