Features
Applications
Usedꢀasꢀaꢀsecondaryꢀovercurrentꢀprotectionꢀ
deviceꢀin:
nꢀ Twoꢀresistance-matchedꢀPTCsꢀinꢀaꢀꢀ
plasticꢀhousing
nꢀ Narrowꢀresistanceꢀtolerance
nꢀ RoHSꢀcompliant*ꢀ
nꢀ CustomerꢀPremiseꢀEquipmentꢀ(CPE)
nꢀ CentralꢀOfficeꢀ(CO)
nꢀ Accessꢀequipment
ꢀꢀCMF-SDPꢀSeriesꢀ-ꢀTelecomꢀCPTCꢀResettableꢀFuses
Electrical Characteristics
Induction
Typ. Time
Rated
Resistance
(RN)
Resistance
Matching in
Housing
to Trip @
Voltage
Rated
Hold
Trip
Imax @ Imax / 230
Model
Withstand Voltage
Current
Current
230 VAC
Amps
3.0
VAC
Seconds
0.45
3.8
VAC
250
250
250
250
250
600
600
600
600
600
Volts
230
230
230
230
230
230
230
230
230
230
Ohms Tolerance
Ohms
<=1.0
<=1.0
<=1.0
<=1.0
<=1.0
<=1.0
<=1.0
<=1.0
<=1.0
<=2.0
Amps @ 25 °C Amps @ 25 °C
CMF-SDP07
CMF-SDP10
CMF-SDP10A
CMF-SDP25
CMF-SDP25A
CMF-SDP35
CMF-SDP35A
CMF-SDP50
CMF-SDP50A
CMF-SDP75
7
±20 %
±20 %
±20 %
±20 %
±20 %
+15/-20 %
+15/-20 %
±15 %
±15 %
±20 %
0.080
0.180
0.150
0.130
0.130
0.110
0.110
0.090
0.090
0.070
0.200
0.360
0.360
0.260
0.260
0.230
0.230
0.190
0.190
0.150
10
10
25
25
35
35
50
50
75
1.0
1.0
2.8
2.8
4.6
2.5
2.5
2.5
3.8
0.2
0.3
0.06
0.2
0.13
0.2
0.12
2.5
Operating Temperature Range: -40 °C to +125 °C.
Test Procedures And Requirements For Model CMF-SDP 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 μs, 25 ohms, 1.0 kV, 10 Tests, every 1 Min. ................(Ri-Rf) / Ri < ±10 %
Lightning Surge ...................................................................10/1000 μs, 60 ohms, 1.5 kV, 30 Tests, every 3 Min. ...............(Ri-Rf) / Ri < ±10 %
Ri = R initial; Rf = R final
Moisture Sensitivity Level (MSL).......................... Level 1
ESD Classification - HBM..................................... Class 6
How to Order
CMF - SD P 35 A -XX - 2
Typical Part Marking
Represents total content. Layout may vary.
Asia-Pacific:
Tel: +886-2 2562-4117
Email: asiacus@bourns.com
MANUFACTURER'S
TRADEMARK
Product Designator
PART
IDENTIFICATION:
Style
07P = CMF-SDP07
10P = CMF-SDP10
10PA = CMF-SDP10A
25P = CMF-SDP25
25PA = CMF-SDP25A
35P = CMF-SDP35
35PA = CMF-SDP35A
50P = CMF-SDP50
50PA = CMF-SDP50A
75P = CMF-SDP75
SD = Surface Mount
Dual Pkg.
BI-WEEKLY
DATE CODE:
WEEK 13-14 = G
Europe:
Tel: +36 88 520 390
Email: eurocus@bourns.com
35P8G
Housing
P = Plastic
Rated Resistance (RN)
7-75 (7-75 Ohms)
YEAR CODE:
8 = 2008
The Americas:
Tel: +1-951 781-5500
Email: americus@bourns.com
Footprint and Height Option
Blank = Standard Product
A = Reduced Footprint and Height
Resistance Tolerance Option
Blank = Standard
www.bourns.com
-XX = XX %; e.g. -10 = ±10 %
Packaging
- 2 = Tape & Reel
*RoHSꢀDirectiveꢀ2002/95/ECꢀJan.ꢀ27,ꢀ2003ꢀincludingꢀannexꢀandꢀRoHSꢀRecastꢀ2011/65/EUꢀJuneꢀ8,ꢀ2011.ꢀ
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
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