CPTC Thermistor: Twin SMD Type PPL Series Overload Protection for Telecom Application
■
Features
1. 2. 3. 4. 5. 6. RoHS compliant Two resistance-matched PTCs in a plastic housing Wide resistance range in telecom area from 10 to 50 Agency recognition: UL/cUL/TUV Compliant with ITU-T standards Operating temperature range:0 ~ +60° (V=Vmax) C -25 ~ +125°C (V=0)
Recommended Applications
1. Cable Modem, ADSL Modem with VOIP 2. Customer Premise Equipment (CPE) 3. Central Office (CO) 4. Access Equipment (AE) 5. Main Distribution Frame (MDF) 6. Public Switched Telephone Network (PSTN) 7. Exchanger
Part Number Code
P 1 P 2 L 3 0 4 7 5 5 6 0 7 0 8 M 9 A 10 0 11 C 12 0 13 14 15 16
Product Code
PTC Thermistor for PPL Overload Protection
Dimensions
07 ψ7mm
Curie temperature Tolerance of R25
K L M H N Y ±10% ±15% ±20% ±25% ±30% Special P8 A0 A2 A4 80℃ 100℃ 120℃ 140℃
Voltage
A4 B5 C0 140VAC 250VAC 300VAC
Internal Control Code
Resistance (R25)
7R0 100 500 7Ω 10Ω 50Ω
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
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www.thinking.com.tw
2010.08
CPTC Thermistor: Twin SMD Type PPL Series Overload Protection for Telecom Application
■ Structure and Dimensions
■ Characteristics
NonNonNominal Resistance Trip operating operating Zero-power Matching In Current Current at Current at Resistance Housing at 25℃ 25℃ 40℃ R25 ( ) PPL07100□A0B5-Y PPL07180□A0B5-Y PPL07250□A0B5-Y PPL07390□A0B5-Y PPL07500□A0C0-Y 10 18 25 39 50 ±0.5
Responding Time (s ) 3 A→ 0.5A 0.8 0.4 0.35 0.3 0.15 1A→ 0.5A→ 0.5A 0.15A 8.0 2.5 2.0 1.0 0.8 35 10 10 4.0 3.5
Max Max. Voltage Current (VAC) 250 250 250 250 300 Imax(A) 2.5 3 3 3 3
Safety Approvals UL/ TUV cUL √ √ √ √ √ √ √ √ √ √
Part No.
∣R1-R2∣
()
IN (mA) @25℃ 130 110 90 70 60
IN (mA) @40℃ 120 100 80 65 55
It (mA) @25℃ 390 330 225 180 165
Note1: □=Tolerance of R25 Note2: UL/cUL File No. E138827 TUV File No. R 50171789
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
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2010.08
CPTC Thermistor: Twin SMD Type PPL Series Overload Protection for Telecom Application
R-T Characteristic Curves (Typical)
108 PPL07500 PPL07390 PPL07250 PPL07180 PPL07100 A0B5 A0B5 A0B5 A0B5 A0B5
107
106
105
104
103
102
101
100 25 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200
Temperature (℃)
■ Circuit for Typical Application
Primary Protection
Secondary Protection
PTC
PTC Subscriber Loop
Subscriber Lines Voltage Clamp PTC PTC
Interface Circuit (SLIC) or Transformer
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
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2010.08
CPTC Thermistor: Twin SMD Type PPL Series Overload Protection for Telecom Application
■
Soldering Recommendation IR-Reflow Soldering Profile
Preheating 255~260°C
Cooling
217°C
150±20 150~200°C℃
60~150 sec
Tamb t
3°C /sec
(max.)
60~180 sec
3° C/sec (max.)
20~40 sec
6°C /sec
(max.)
8 minutes max
Time
Recommended Reworking Conditions With Soldering Iron
Item Temperature of Soldering Iron-tip Soldering Time Diameter of Soldering Iron-tip Conditions 360℃ (max.) 3 sec (max.)
Φ3mm (max.)
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
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www.thinking.com.tw
2010.08
CPTC Thermistor: Twin SMD Type PPL Series Overload Protection for Telecom Application
■
Reliability
Item
Solderability
Standard
IEC60068-2-58
Test conditions / Methods
245±5℃ , 3±0.3 sec.
Specifications
At least 95% of terminal electrode is covered by new solder ∣∣R/R25∣∣20% No visible damage
Resistance to Soldering Heat
IEC60068-2-58
255±5℃ ,10±1 sec.
Vibration
IEC60068-2-6
Frequency range: 10~55Hz Amplitude: 0.75mm or 98m/S2 Direction: 3 mutually perpendicular directions, 2hrs each. Wave: half-sine Acceleration: 50m/s2 ⊿V:1.0m/s Pulse time:30ms
∣∣R/R25∣∣20% No visible damage
Shock
IEC60068-2-27
∣∣R/R25∣∣20% No visible damage
The rapid change conditions shown below shall be repeated 5 cycles. Step Rapid Change of Temperature IEC60068-2-14 1 2 3 4 Temperature(℃) -40 ± 3 Room temperature 85 ± 2 Room temperature Period(minutes) 30 ± 3 5±3 30 ± 3 5±3 ∣∣R/R25∣∣20% No visible damage ∣∣R/R25∣∣20% No visible damage ∣∣R/R25∣∣20% No visible damage ∣∣R/R25∣∣20% No visible damage ∣△R/R25∣≦20% No visible damage ∣△R/R25∣≦20% No visible damage ∣△R/R25∣≦20% No visible damage ∣△R/R25∣≦20% No visible damage ∣∣R/R25∣∣20% No visible damage
Climatic Sequence High Temperature Storage High Temperature Continuous Load Damp Heat, Steady State Over Current Power Contact Lightning Surge Power Induction
IEC60738-1
+40 ℃, 20%R.H X 24hrs →100 ℃ X 16hrs→25℃ X 2hrs→ +40 ℃, 95%R.HX 24hrs→ 0 ℃ X 2hrs→+40 ℃, 95%R.HX 24hrs→ 25 ℃ X (1~2)hrs 60℃, for 1000 hrs
IEC60068-2-2
IEC60738-1
60℃, Vmax, It
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