参数资料
| 型号： | CMF-SD50A-2 |
| 厂商： | Bourns Inc. |
| 文件页数： | 2/3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)： | 90mA |
| 电流 - 跳闸(It)： | 190mA |
| 电流 - 最大： | 3A |
| 电压 - 最大： | 230V |
| 跳闸时间： | 0.1s |
| 封装/外壳： | 4-SMD方块 |
| 包装： | 带卷 (TR) |
Applications
Used as a secondary overcurrent protection
device in:
■ Customer Premise Equipment (CPE)
■ Central Of?ce (CO)
■ Access equipment
CMF-SD Series - Telecom CPTC Resettable Fuses
Product Dimensions
Recommended Pad Layout
A
CMF-SD10
CMF-SD25
B
Dim.
CMF-SD35
CMF-SD50
CMF-SD35A
CMF-SD50A
1
(.354) MAX.
(.281) MAX.
(.425) MAX.
(.355) MAX.
H
B
A
B
9.00
10.80
7.15
8.50
A
3
2
4
F
G
(.402) MAX.
(.319) MAX.
F
G
C
10.20
8.10
C
D
E
E
DIMENSIONS:
MM
(INCHES)
D
D
4.88 - 5.28
(.192 - .208)
3.25 - 3.65
(.128 - .144)
H
COPLANARITY:
0.15
(.006)
C
E
2.41 - 2.61
(.095 - .103)
2.41 - 2.61
(.095 - .103)
1
2
(.020) MAX.
(.020) MAX.
(Reduced value available on request.)
F
0.5
0.5
Packaging Options - Tape and Reel:
CMF-SD10, CMF-SD25, CMF-SD35 & CMF-SD50 = 400
pcs. per reel;
CMF-SD35A & CMF-SD50A = 500 pcs. per reel
G
H
2.5
(.098)
1.0
(.039)
2.5
(.098)
1.0
(.039)
3
CMF-SD10
CMF-SD25
4
CMF-SD35
CMF-SD35A
Solder Re?ow Recommendations
Preheating
300
250
200
150
100
50
0
160–220
Soldering
10–20
Cooling
120
Dim.
A
B
C
D
E
F
G
H
CMF-SD50
10.0
(.394)
8.80
(.346)
3.20
(.126)
2.00
(.079)
2.60
(.102)
5.00
(.197)
7.60
(.299)
10.0
(.394)
CMF-SD50A
8.00
(.315)
7.05
(.278)
2.75
(.108)
2.00
(.079)
2.51
(.099)
3.45
(.136)
5.95
(.234)
8.15
(.321)
Time (seconds)
Solder re?ow
?
Recommended re?ow methods: IR, vapor phase oven, hot air oven.
?
Devices are not designed to be wave soldered to the bottom side of the
board.
?
Gluing the devices is not recommended.
?
Recommended maximum paste thickness is 0.25 mm (.010 inch).
?
Devices can be cleaned using standard industry methods and solvents.
Note:
?
If re?ow temperatures exceed the recommended pro?le, devices may not
meet the performance requirements.
Rework
?
A device should not be reworked.
DIMENSIONS:
MM
(INCHES)
CMF-SD SERIES, REV. O, 05/10
Speci?cations are subject to change without notice.
Customers should verify actual device performance in their speci?c applications.
相关PDF资料 |
PDF描述 |
|---|---|
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CMF-SDP07 | 制造商:BOURNS 制造商全称:Bourns Electronic Solutions 功能描述:Telecom CPTC Resettable Fuses |
| CMF-SDP07-2 | 功能描述:可复位保险丝 Ceramic PTC 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 |
| CMF-SDP10 | 制造商:BOURNS 制造商全称:Bourns Electronic Solutions 功能描述:Telecom CPTC Resettable Fuses |
| CMF-SDP10-2 | 功能描述:可复位保险丝 Ceramic PTC 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 |
| CMF-SDP10-2-R6 | 功能描述:CPTC FUSE DUAL .180A 600V RoHS:是 类别:过电压，电流，温度装置 >> PTC 可复位保险丝 系列:CMF-SDP 标准包装:500 系列:PFRA 电流 - 维持(Ih):750mA 电流 - 跳闸(It):1.5A 电流 - 最大:40A 电压 - 最大:60V R最小/最大:0.180 ~ 0.400 欧姆 跳闸时间:6.3s 封装/外壳:径向 - 圆盘形 包装:散装 |
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