1206 Surface Mount 2-Electrode Squared Ceramic Gas Discharge Tube GDT 3216 350V 500A 3.2x1.6x1.6mm Non-radioactive
Description
1)Are classical components for protecting installations of telecommunications
2)Essential that IT and telecommunications systems, with their high-grade but sensitive electronic circuits, be protected by arresters
3)1206 series GDT offers high surge ratings in miniature package
4)Designed for surface mounting on PCB with small size 3.2x1.6x1.6mm
5)Low insertion loss is perfectly suitable to broadband equipment applications
6)Capacitance don't vary with voltage and will not cause operational problems with ADSL2+, where capacitance variation across tip and ring is undesirable
7)These devices are extremely robust and are able to divert 500A pulse in miniature package 1206 without destruction
Features
1,Non-Radioactive
2,RoHS compliant
3,Ultra low capacitance(＜0.5pF)
4,UL recognized
5,Excellent response to fast rising transients
6,0.5KA surge capability testedd with 8/20μs pulse as defined by IEC 61000-4-5
7,Square Outline.
Application
1,Communication equipment
2,CATV equipment
3,Test equipment
4,Data lines
5,Power supplies
6,Telecom SLIC protection
7,Broadband equipment
8,ADSL equipment,including ADSL2+
9,XDSL equipment
10,Satellite and CATV equipment
11,General telecom equipment
12,ESD protection
Product size (Unit:mm)
Electrical Characteristics
| Part.Number | DC Spark-over Voltage(V) | 1KV/μs (V) | 8/20μs (10 time) (KA) | DC Holdover Voltage(V) | Insulation Resistance (GΩ) | Capacitance 1MHz(PF) | AC Discharge Current(1s 5times) |
| SMB70XM | 70±30% | <600 | 0.5 | 25 | 0.1 | 0.5 | 0.5 |
| SMB75XM | 75±30% | <600 | 0.5 | 25 | 0.1 | 0.5 | 0.5 |
| SMB90XM | 90±30% | <600 | 0.5 | 50 | 0.1 | 0.5 | 0.5 |
| SMB150XM | 150±30% | <700 | 0.5 | 50 | 0.1 | 0.5 | 0.5 |
| SMB200XM | 200±30% | <750 | 0.5 | 100 | 0.1 | 0.5 | 0.5 |
| SMB230XM | 230±30% | <750 | 0.5 | 100 | 0.1 | 0.5 | 0.5 |
| SMB300XM | 300±30% | <800 | 0.5 | 100 | 0.1 | 0.5 | 0.5 |
| SMB350XM | 350±30% | <850 | 0.5 | 100 | 0.1 | 0.5 | 0.5 |
| SMB400XM | 400±30% | <950 | 0.5 | 100 | 0.1 | 0.5 | 0.5 |
| SMB420XM | 420±30% | <950 | 0.5 | 100 | 0.1 | 0.5 | 0.5 |
| SMB470XM | 470±30% | <1050 | 0.5 | 100 | 0.1 | 0.5 | 0.5 |
Production Equipments
Electrical Ratings
| Item | Test Condition/Description |
| DC Spark-over Voltage | The voltage is measured with voltage ramp dv/dt=100V/s. |
| 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 time, without causing the DC spark-over voltage to change more than 30% from its initial value. |
| 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. |
Product Tags:
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1206 Surface Mount 2-Electrode Squared Ceramic Gas Discharge Tube GDT 3216 350V 500A 3.2x1.6x1.6mm Images
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