10PA = CMF-SDP10A
25PA = CMF-SDP25A
35PA = CMF-SDP35A
50PA = CMF-SDP50A
Test
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 µs, 25 ohms, 1.0 kV, 10 Tests, every 1 Min. ..................(Ri-Rf) / Ri < ±10 %
Lightning Surge......................................................................10/100 µs, 25 ohms, 1.5 kV, 30 Tests, every 3 Min. ..................(Ri-Rf) / Ri < ±10 %
Ri = R initial
Rf = R final
Represents total content. Layout may vary.
Operating Temperature Range: -40°C to +125 °C
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Electrical Characteristics
Typical Part Marking
07P = CMF-SDP07
10P = CMF-SDP10
25P = CMF-SDP25
35P = CMF-SDP35
50P = CMF-SDP50
75P = CMF-SDP75
CMF-SDP07
CMF-SDP10
CMF-SDP10A
CMF-SDP25
CMF-SDP25A
CMF-SDP35
CMF-SDP35A
CMF-SDP50
CMF-SDP50A
CMF-SDP75
IDENTIFICATION:
Test Procedures And Requirements For Model CMF-SDP Series
Model
PART
3 5 P 8 G
Withstand
Induction
Voltage
VAC
600
600
600
600
600
600
600
600
600
600
MANUFACTURER'S
TRADEMARK
BI-WEEKLY
DATE CODE:
WEEK 13-14 = G
YEAR CODE:
8 = 2008
Voltage
Rated
Volts
230
230
230
230
230
230
230
230
230
230
Primary
Protection
Ohms
CMF-SDP Series - Telecom CPTC Resettable Fuses
Features
Product Designator
Style
Housing
Rated Resistance (RN)
Footprint and Height Option
Resistance Tolerance Option
Packaging Options
10
10
25
25
35
35
50
50
75
Blank = Standard Product
How to Order
Blank = Standard
7
Resistance
Two resistance-matched PTCs in a
plastic housing
Narrow resistance tolerance
RoHS compliant*
SD = Surface Mount
P = Plastic
7-75 (7-75 Ohms)
-XX = XX %; e.g. -10 = ±10 %
- 2 = Tape & Reel
Rated
A = Reduced Footprint and Height
(RN)
+15/-20 %
+15/-20 %
Dual Pkg.
Tolerance
±20 %
±20 %
±20 %
±20 %
±20 %
±15 %
±15 %
±20 %
Test Condition
CMF - SD P 35 A -XX - 2
Resistance
In Housing
Matching
Ohms
±0.5
±0.5
±0.5
±0.5
±0.5
±0.5
±0.5
±0.5
±0.5
±1
Amps @ 25 °C Amps @ 25 °C
Current
0.150
0.180
0.150
0.130
0.130
0.110
0.110
0.090
0.090
0.070
Hold
Applications
Used as a secondary overcurrent protection
device in:
Customer Premise Equipment (CPE)
Central Office (CO)
Access equipment
Current
Asia-Pacific:
Tel: +886-2 2562-4117
Fax: +886-2 2562-4116
Europe:
Tel: +41-41 768 5555
Fax: +41-41 768 5510
The Americas:
Tel: +1-951 781-5500
Fax: +1-951 781-5700
www.bourns.com
0.350
0.360
0.360
0.260
0.260
0.230
0.230
0.190
0.190
0.150
Trip
230 VAC
Imax @
Amps
3.0
1.0
1.0
2.8
2.8
4.6
4.6
2.5
2.5
2.5
Requirements
Time to Trip
230 VAC
Seconds
@ Imax/
Typical
0.45
3.8
3.8
0.2
0.3
0.06
0.04
0.13
0.1
0.12