参数资料
| 型号： | MF-RX375/72-0-14 |
| 厂商： | Bourns Inc. |
| 文件页数： | 10/12页 |
| 文件大小： | 0K |
| 描述： | FUSE PTC RESETTABLE |
| 产品培训模块： | Multifuse® Resettable fuses |
| 产品目录绘图： | MF-RX375^72-0 Front |
| 标准包装： | 500 |
| 系列： | MF-RX/72 |
| 电流 - 维持(Ih)： | 3.75A |
| 电流 - 跳闸(It)： | 7.5A |
| 电流 - 最大： | 40A |
| 电压 - 最大： | 72V |
| R最小/最大： | 0.030 ~ 0.050 欧姆 |
| 跳闸时间： | 24s |
| 封装/外壳： | 径向 |
| 包装： | 散装 |
B
CeramicPTCProducts
Style 1 Style 2 Style 3
A B A A
C C
B
C
Style 4
A
B
C
Features
■ Ceramic PTCs for telecom overcurrent
protection
■ Wide range of form factors for most
applications
■ Aids telecom compliance with:
- ITU-T K.20/21/45
- Telcordia GR-1089-CORE
- UL 60950, 3rd Ed.
■ Narrow and matched resistance tolerances
Style 5
A
B
C
Style 6
A
B
C
Applications
Used as secondary overcurrent protection
devices in:
■ Customer Premise Equipment (CPE)
■ Central Office Equipment (CO)
■ Access Equipment
Model
Hold
Trip
Current
Style
Current
Model
Ohms
Tolerance
Hold
Trip
Current
Style
Current
CMF-RL Series
Radial Leaded
Induction
Voltage
Withstand
VAC
230 Volts
±0.5 Ohms Packaging Resistance Matching
Rated
Resistance Dimensions
(RN) mm/(in)
Amps at 25 °C Amps at 25 °C
Ohms Tolerance A Max. B Max. C Nom.
CMF-SD Series
Twin Pack/SMD
Withstand
VAC
Rated
Induction Resistance
Voltage (RN)
230 V Rated
±0.5 Ohms Resistance
Matching in Housing
Dimensions
mm/(in)
Amps at 25 °C Amps at 25 °C
A Max. B Max. C Nom.
CMF-RL10
CMF-RL10-10
CMF-RL25U
CMF-RL35
CMF-RL35-10
CMF-RL35A
CMF-RL35A-10
CMF-RL50
CMF-RL50-10
CMF-RL50A
CMF-RL50A-10
CMF-RL55
650
650
650
650
650
650
650
650
650
650
650
650
10
10
35
35
35
35
35
50
50
50
50
55
±20 %
±10 %
±20 %
±20 %
±10 %
±10 %
±10 %
±20 %
±10 %
±20 %
±10 %
±20 %
0.14
0.14
0.060
0.075
0.075
0.075
0.075
0.065
0.065
0.05
0.05
0.065
0.3
0.3
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.10
0.10
0.15
9.5
(0.374)
9.5
(0.374)
5.2
(0.205)
9.8
(0.386)
9.8
(0.386)
7.5
(0.295)
7.5
(0.295)
9.8
(0.386)
9.8
(0.386)
7.5
(0.295)
7.5
(0.295)
9.8
(0.386)
4.5
(0.177)
4.5
(0.177)
3.5
(0.138)
5.0
(0.197)
5.0
(0.197)
5.6
(0.220)
5.6
(0.220)
5.0
(0.197)
5.0
(0.197)
5.6
(0.220)
5.6
(0.220)
5.0
(0.197)
13.5
(0.531)
13.5
(0.531)
5.2
(0.205)
13.5
(0.531)
13.5
(0.531)
13.0
(0.512)
13.0
(0.512)
13.5
(0.531)
13.5
(0.531)
13.0
(0.512)
13.0
(0.512)
13.5
(0.531)
1
1
2
1
1
1
1
1
1
1
1
1
CMF-SD25
CMF-SD25-10
CMF-SD25A
CMF-SD25A-10
CMF-SD35
CMF-SD35-10
CMF-SD35A
CMF-SD35A-10
CMF-SD50
CMF-SD50-10
CMF-SD50A
CMF-SD50A-10
600
600
600
600
600
600
600
600
600
600
600
600
25
25
25
25
35
35
35
35
50
50
50
50
±20 %
±10 %
±20 %
±10 %
±20 %
±10 %
±20 %
±10 %
±20 %
±10 %
±20 %
±10 %
0.13
0.13
0.13
0.13
0.10
0.10
0.10
0.10
0.09
0.09
0.09
0.09
0.26
0.26
0.26
0.26
0.20
0.20
0.20
0.20
0.19
0.19
0.19
0.19
9.0
(0.354)
9.0
(0.354)
7.15
(0.281)
7.15
(0.281)
9.0
(0.354)
9.0
(0.354)
7.15
(0.281)
7.15
(0.281)
9.0
(0.354)
9.0
(0.354)
7.15
(0.281)
7.15
(0.281)
10.8
(0.425)
10.8
(0.425)
8.5
(0.335)
8.5
(0.335)
10.8
(0.425)
10.8
(0.425)
8.5
(0.335)
8.5
(0.335)
10.8
(0.425)
10.8
(0.425)
8.5
(0.335)
8.5
(0.335)
10.2
(0.402)
10.2
(0.402)
8.1
(0.319)
8.1
(0.319)
10.2
(0.402)
10.2
(0.402)
8.1
(0.319)
8.1
(0.319)
10.2
(0.402)
10.2
(0.402)
8.1
(0.319)
8.1
(0.319)
5
5
5
5
5
5
5
5
5
5
5
5
CMF-RL55-10
650
55
±10 %
0.065
0.15
9.8
(0.386)
5.0
(0.197)
13.5
(0.531)
1
CMF-RL55A
650
55
±20 %
0.05
0.10
1
CMF-RL55A-10
650
55
±10 %
0.05
0.10
1
Hold
Trip
Model
Current
Style
Current
Amps at 25 °C Amps at 25 °C
Ohms
Tolerance
A Max.
B Max.
C Nom.
Model
Ohms
Tolerance
Hold
Trip
Current
Style
Current
4
0.09
0.19
0.09
0.19
4
CMF-RLCSeries ±0.5OhmsPackaging
Through-hole/Ceramic Case Resistance Matching
Rated
Voltage (RN) mm/(in)
Withstand
VAC
7.5 5.6 13.0
(0.295) (0.220) (0.512)
7.5 5.6 13.0
(0.295) (0.220) (0.512)
Ceramic Housing
Induction Resistance Dimensions
CMF-RD Series
Twin Pack/Through-hole
Rated
Induction Resistance
Voltage (RN)
Withstand
VAC
CMF-RD50 600 50 ±20 %
CMF-RD50-10 600 50 ±10 %
230 Volts
±0.5 Ohms Packaging
Resistance Matching
Dimensions
mm/(in)
Amps at 25 °C Amps at 25 °C
A Max. B Max. C Nom.
9.0 10.2 9.5
(0.354) (0.402) (0.446)
9.0 10.2 9.5
(0.354) (0.402) (0.446)
Hold
Trip
Model
Current
Style
Current
Amps at 25 °C Amps at 25 °C
Ohms
Tolerance
A Max.
B Max.
C Nom.
CMF-RLC50
CMF-RLC50-10
650
650
50
50
±20 %
±10 %
0.065
0.065
0.15
0.15
9.2 4.7 9.6
(0.362) (0.185) (0.378)
9.2 4.7 9.6
(0.362) (0.185) (0.378)
3
3
CMF-RQ Series ±0.5 Ohms Resistance
Quad Pack/Through-hole Matching in Housing
Rated
Voltage (RN) mm/(in)
Withstand
VAC
CMF-RQ50
600
50
±20 %
600
50
±10 %
CMF-RQ50-10
0.09
0.09
Four CPTCs in One Package
Induction Resistance Dimensions
10.0 21.0 11.0
6
0.19
(0.393) (0.826) (0.433)
10.0 21.0 11.0
0.19
6
(0.393) (0.826) (0.433)
10
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