2 Terminal SMD Ceramic Gas Discharge Tube 4.5x3.2x2.7mm 470V GDT 2KA For Modems
Features Of The SMD Ceramic Gas Discharge Tube 4.5x3.2x2.7mm
■ High insulation resistance.
■ Low capacitance (≤0.5pF).
■ 2000A 8/20μs maximum surge current capacity in accordance with IEC61000-4-5.
■ 4KV 10/700μs maximum surge rating in accordance with ITU-TK.21
■ Surface mounted gas arrester
■ Micro-Gap Design
■ 3.2 x 4.5 mm (4532) Footprint
■ High Surge Current Rating
■ Non-Radioactive
■ RoHS Compliant (100% Lead-Free)
■ Low Capacitance ≤ 1pF
■ Proven Performance
■ Storage and operating temperature: -40℃ ~ +85℃
■ Meets MSL level 1, per J-STD-020
■ Safety certification: UL
Applications Of The SMD Ceramic Gas Discharge Tube 4.5x3.2x2.7mm
■ Repeaters, Modems.
■ Telephone Interface, Line cards.
■ Data communication equipment.
■ Line test equipment
■ Cable Telephony Products
■ Modems/Cable Modems
■ Broadband/CATV/Coaxial Protectors
■ xDSL Modems and Peripherals
■ Building Entry/Outside Plant
■ Transient Voltage Surge Suppression (TVSS)
■ Transient Voltage
■ Surge Suppression
■ Cable Telephony Products
■ Modems/Cable
■ Modems Broadband/CATV/Coaxial Protectors
■ xDSL Modems and Peripherals
■ Building Entry/Outside Plant
Electrical Characteristics Of The SMD Ceramic Gas Discharge Tube 4.5x3.2x2.7mm
| Catalog No. | DC Spark Over Voltage (100v/s)V | Impulse Spark Over Voltage (1kv/μs)V | Insulation Resistance MΩ | Electrode Capacitance 1MHz 0.5V PF | Impulse Discharge Current (8/20μs 10times) | AC Discharge Current (50Hz 1s 10times)A |
| 4DS075H | 075±30% | ≤700 | ≥1 | ≤1 | 2KA | 2A |
| 4DS090H | 090±30% | ≤700 | ≥1 | ≤1 | 2KA | 2A |
| 4DS150H | 150±30% | ≤700 | ≥1 | ≤1 | 2KA | 2A |
| 4DS200H | 200±30% | ≤800 | ≥1 | ≤1 | 2KA | 2A |
| 4DS230H | 230±30% | ≤800 | ≥1 | ≤1 | 2KA | 2A |
| 4DS300H | 300±30% | ≤1000 | ≥1 | ≤1 | 2KA | 2A |
| 4DS350H | 350±30% | ≤1000 | ≥1 | ≤1 | 2KA | 2A |
| 4DS400H | 400±30% | ≤1100 | ≥1 | ≤1 | 2KA | 2A |
| 4DS470H | 470±30% | ≤1200 | ≥1 | ≤1 | 2KA | 2A |
| 4DS600H | 600±30% | ≤1400 | ≥1 | ≤1 | 2KA | 2A |
Dimensions Of The SMD Ceramic Gas Discharge Tube 4.5x3.2x2.7mm (mm)
Electrical Ratings Of The SMD Ceramic Gas Discharge Tube 4.5x3.2x2.7mm
| Items | Test Condition/Description | Requirement |
| DC Spark-over Voltage | The voltage is measured with voltage ramp dv/dt=100V/s. | To meet the specified value |
| Maximum Impulse Spark-over Voltage | The maximum impulse spark-over voltage is measured with voltage ramp dv/dt=1000V/μs. |
| Insulation Resistance | The resistance of gas tube shall be measured between two electrodes. |
| Capacitance | The capacitance of gas tube shall be measured between two electrodes. Test frequency: 1MHz |
| Impulse Discharge Current | Maximum 8/20μs surge current that can be applied between two electrodes, 5 positive and 5 negative surges, with 3 minutes interval tim. |
| Impulse Withstanding Voltage | The maximum 10/700μs surge that can be applied to the Gas Tube, 5 positive and 5 negative surges, with 1 minute interval time, without causing the DC spark-over voltage to change more than 25% from its initial value. |
Gas Discharge Tube Family
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4532 Gas 2 Terminal Discharge Tube UL SMD Gas Discharge Tube Lightning Protection Images
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