PTC Thermistor for Telecom Overload Proection,
Leaded Disk Coated 10 Ohm 250V 1A
Leaded Disk Coated 10 Ohm 250V 1A
AMWEI Ordering Code: AMZ23-10RM130
Appearance and Dimension
PTC Thermistor Radial Kinked Lead Resin Coated Drawing
- Silicon resin coated ceramic body, grey color
- Coated ceramic body outer diameter D : 7.5mm max.
- Coated ceramic body thickness T: 5.0mm max.
- Pin wire diameter d: 0.6mm
- 2 Tinned pin wire space F: 6.0± 1mm
- Pin wire length L: 25mm min.
- Coated ceramic body to wire length H: 14mm max.
Application
Overcurrent protection for telecom applications
Suitable for line card applications e.g. POTS, access networks,
customer premises equipment (CPE) or integrated voice data (IVD)
Features
Compliant with ITU-T standards
- basic-level lightning surges (10/700 µs)
- basic level power induction (600 V, 1 A, 0.2 s)
- power contact criteria A/B (230 V, 15 min.)
Matching available with narrow resistance tolerance.
Tight resistance matching maintained after switching.
Negligible resistance drift after soldering or switching.
Electrical Specifications
- Resistance @25C R25 : 10Ω,
- Standard R25 tolerance +/- 20%.
- Rated voltage (RMS) : 220 V
- Maximum operating voltage Vmax: 250 V
- Maximum withstanding voltage: 350V
- Maximum permissible repetitive turn over current Imax: 1 A
- Non-trip Current at +25C : 130 mA
- Non-trip Current at +40C: 110 mA
- PTC Thermistor Trip Current, Operating Current at +25℃ It :300 mA
- Tripping time at +25C: 1A→ 0.5A: < 2 seconds.
- Reference Temperature (Curie temperature, Switch temperature) : 110C
- Operating ambient temperature range (V=0): -40~+125C
- Operating ambient temperature range (V=230V) : 0~60C
Reliability Data
| Test Item | Standard | Test conditions | |ΔR25/R25| |
|---|---|---|---|
| Electrical endurance, cycling |
IEC 60738-1 | Room temperature, 1A; 230V Number of cycles: 100 |
<25% |
| Electrical endurance, constant |
IEC 60738-1 | storage at Voltage: 230V Ambient temperature: +60C Test duration: 1000 h |
<25% |
| Damp heat | IEC 60738-1 | Temperature of air: 40℃, Relative humidity of air: 93%, Duration: 56 days Test according to IEC 60068-2-78 |
<10% |
| Lead wire tensile | IEC60068-2-21 | Test Ua: pull strength 10N, 10 seconds, Test Ub: bending 90°, pull strength 5N, successively twice. Test Uc: revolving 180°, successively twice. |
<20% |
| Rapid change of temperature |
IEC 60738-1 | T1 = Top,min (0 V), T2 = Top,max (0 V) Number of cycles: 5 Test duration: 30 min Test according to IEC 60068-2-14, test Na |
<10% |
| Climatic sequence | IEC 60738-1 | Dry heat: T = Top,max (0 V) Test duration: 16 h Damp heat first cycle Cold: T = Top,min (0 V) Test duration: 2 h Damp heat 5 cycles Tests performed according to IEC 60068-2-30 |
<10% |
ITU Performance
| Test Item | Condition | Test Method | Performance Requirement |
|---|---|---|---|
| Over Current Withstanding | 220V/1A, 20 cycles |
Max. voltage of supply: 220VAC, Initial current: 1A. ON 60S, OFF 600S , Cycle:20 times, |
No damage, 4 hours after the conditioning then re-test Rn. Zero power resistance at 25℃ ΔR/Rn≤20%. |
| Lightning Surge Current Withstanding | 10/1000μs, 30 cycles |
Duration: 30 times, Temperature: 25℃ Short circuit current wave:10/1000μs, Minimum open voltage: 1.5 KV Short circuit current peak value: 25A Interval time: 3min |
No damage, 4 hours after the conditioning then re-test Rn. Zero power resistance at 25℃ ΔR/Rn≤20%. |
| Power Line Contact (Over Voltage Withstanding) |
250V/1A, 15 minutes |
Duration: 1 cycle Ambient Temperature: 25 ± 2 ℃ Voltage: 250 Vrms Frequency: 50Hz Current: 1A, 15 minutes On |
No damage, 4 hours after the conditioning then re-test Rn. Zero power resistance at 25℃ ΔR/Rn≤20%. |
| Fail Model | 250V/10A, 15 minutes |
Voltage of power supply: 250VAC. Initial current: 10Arms. Energized time: 15min. |
High resistance or open circuit is allowable. Low resistance state or firing is not allowed |
Packaging Information
Production tape package or loose bulk in plastic package.