参数资料
| 型号： | CMF-SD25A-2 |
| 厂商： | Bourns Inc. |
| 文件页数： | 1/3页 |
| 文件大小： | 0K |
| 描述： | CPTC FUSE RESETTABLE |
| 标准包装： | 500 |
| 系列： | CMF-SD |
| 电流 - 维持(Ih)： | 130mA |
| 电流 - 跳闸(It)： | 260mA |
| 电压 - 最大： | 230V |
| 跳闸时间： | 0.3s |
| 封装/外壳： | 4-SMD方块 |
| 包装： | 带卷 (TR) |
Features
■ Two resistance-matched PTCs in a
ceramic housing
Model CMF-SD is currently available,
although not recommended for new
preferred .
■ Narrow resistance tolerance
■ RoHS compliant*
CMF-SD Series - Telecom CPTC Resettable Fuses
Electrical Characteristics
Induction
Rated
Resistance
Time to
Trip @
Model
CMF-SD10
CMF-SD25
CMF-SD25-10
CMF-SD35
CMF-SD35-10
CMF-SD35A
CMF-SD35A-10
CMF-SD50
CMF-SD50-10
CMF-SD50A
CMF-SD50A-10
Voltage
Withstand
VAC
600
600
600
600
600
600
600
600
600
600
600
Rated
Voltage
Volts
220
230
220
230
230
230
230
230
230
230
230
Resistance
(RN) @ 25 °C
Ohms Tolerance
10 ±20 %
25 ±20 %
25 ±10 %
35 ±20 %
35 ±10 %
35 ±20 %
35 ±10 %
50 ±20 %
50 ±10 %
50 ±20 %
50 ±10 %
Matching in
Housing
Ohms
±1.0
±0.5
±0.5
±0.5
±0.5
±0.5
±0.5
±0.5
±0.5
±0.5
± 0.5
Hold
Current
Amps @ 25 °C
0.150
0.130
0.130
0.100
0.100
0.100
0.100
0.090
0.090
0.090
0.090
Trip
Current
Amps @ 25 °C
0.360
0.260
0.260
0.200
0.200
0.200
0.200
0.190
0.190
0.190
0.190
Imax @
230 VAC
Amps
1
2.8
2.5
3
3
2.5
2.5
3
3
3
3
Imax / 230
VAC
Seconds
<4.5
< 0.3
< 0.3
< 0.2
< 0.2
< 0.2
< 0.2
< 0.1
< 0.1
< 0.1
< 0.1
Test Procedures And Requirements For Model CMF-SD Series
Primary
Test Protection Test Condition Requirements
Mains Power Contact - ITU-T K.20, K.21.... None .............. 230 V rms, 10 ohms, 15 Min. .....................................................(Ri-Rf) / Ri < ±10 %
Power Induction - ITU-T K.20, K.21 ............ None .............. 600V rms, 600 ohms, 0.2 seconds, 10 cycles, every 1 Min. .....(Ri-Rf) / Ri < ±10 %
Power Induction - ITU-T K.20, K.21 ............ GDT................ 600 V rms, 600 ohms, 1 second, 10 cycles, every 1 Min. ........(Ri-Rf) / Ri < ±10 %
Power Induction - ITU-T K.20, K.21 ............ GDT................ 600 V rms, 200 ohms, 1 second, 10 cycles, every 1 Min. ........(Ri-Rf) / Ri < ±10 %
Lightning Surge - ITU-T K.20, K.21 ..................................... 10/700 μ s, 25 ohms, 1.0 kV, 10 Tests, every 1 Min. .................(Ri-Rf) / Ri < ±10 %
Lightning Surge ................................................................... 10/1000 μ s, 40 ohms, 1.0 kV, 30 Tests, every 3 Min. ................(Ri-Rf) / Ri < ±10 %
Ri = R initial
Rf = R ?nal
Typical Part Marking
Represents total content. Layout may vary.
How to Order
CMF - SD 35 A -10 - 2
PART
IDENTIFICATION:
10 = CMF-SD10
25 = CMF-SD25
35 = CMF-SD35
50 = CMF-SD50
35A = CMF-SD35A
50A = CMF-SD50A
25K = CMF-SD25-10
35K = CMF-SD35-10
50K = CMF-SD50-10
35AK = CMF-SD35A-10
50AK = CMF-SD50A-10
50AL = CMF-SD50A-15
356G
MANUFACTURER'S
TRADEMARK
BI-WEEKLY
DATE CODE:
WEEK 13-14 = G
YEAR CODE:
6 = 2006
Product Designator
Style
SD = Surface Mount Dual Pkg.
Rated Resistance (RN)
10, 25, 35, 50 (25, 35, 50 Ohms)
Reduced Footprint and Height
Option*
Resistance Tolerance Option
Blank = Standard (20 %)
-10 = 10 %
Packaging Options
- 2 = Tape & Reel
*Reduced footprint and height option currently
unavailable for Model CMF-SD25.
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Speci?cations are subject to change without notice.
Customers should verify actual device performance in their speci?c applications.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CMF-SD2A-10-2 | 制造商:BOURNS 制造商全称:Bourns Electronic Solutions 功能描述:Telecom CPTC Resettable Fuses |
| CMF-SD2A-2 | 制造商:BOURNS 制造商全称:Bourns Electronic Solutions 功能描述:Telecom CPTC Resettable Fuses |
| CMF-SD35 | 制造商:BOURNS 制造商全称:Bourns Electronic Solutions 功能描述:Telecom CPTC Resettable Fuses |
| CMF-SD35-10 | 制造商:BOURNS 制造商全称:Bourns Electronic Solutions 功能描述:Telecom CPTC Resettable Fuses |
| CMF-SD35-10-2 | 功能描述:可复位保险丝 RESETTABLE FUSE 230VOLT 35OHM RoHS:否 制造商:Bourns 电流额定值: 电阻:7.5 Ohms 最大直流电压: 保持电流:0.1 A 安装风格:SMD/SMT 端接类型:SMD/SMT 跳闸电流:0.6 A 引线间隔: 系列:MF-PSHT 工作温度范围:- 40 C to + 125 C |
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