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[China]
Trade Verify
Address: No.1, Yixiang ,Liwu Industrial Park,Liwuyuan Village,Xihu District, Shilong Town,Dongguan 523325,Guangdong ,China
Contact name:James Lai
Dongguan Ampfort Electronics Co., Ltd. |
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Verified Suppliers
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4532 Surface Mount Gas Discharge Tube GDT SMD230XM 1812 230V 3KA 750V 0.5pF
I Gas Discharge Tube Description
Gas discharge tubes (GDT) use noble gasses enclosed in ceramic tubes to provide an alternate circuit path for voltage spikes.The ceramic envelope and with nickel connectors allow for high loads and Ampfort offers products that function at 20KA,40KA,50KA,60KA,100KA&150KA.The breakdown voltages of the devices have a wide range (up to 20% tolerance).Major applications are high frequency telecommunication lines,stations, security systems,HID and high quality Surge Protection Devices (SPD).
II Gas Discharge TubeFeatures
■ RoHS & HF compliant
■ DC Spark-over voltage: 75~600V
■ Stable breakdown voltage.
■ High insulation resistance.
■ High holdover voltage.
■ Large absorbing transient current capability.
■ Low Capacitance
■ High insulation resistance
■ Low capacitance (≤0.5pF)
■ 3000A 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
■ Size 4532(1812)
■ Storage and operating temperature: -40 ~ +85 ℃ ℃
■ Meets MSL level 1, per J-STD-020
III Gas Discharge Tube Recommended Applications
■ Communication equipment
■ CATV equipment
■ Test equipment
■ Data lines
■ Power supplies
■ Telecom SLIC protection
■ Telecommunications
■ Repeaters, Modems
■ Telephone Interface, Line cards
■ Data communication equipment
■ Line test equipment
IV Gas Discharge Tube Size (mm)
V Gas Discharge Tube Electrical Parameters
Part. Number | DC Spark-over Voltage(V) | 1KV/μs (V) | Impulse Life | Insulation Resistance (GΩ) | Capacitance 1MHz(PF) | Nominal Discharge Impulse Current(A) |
| SMD70XM | 70(50～90) | 600 | 300 | 1 | 0.5 | 3000 |
| SMD75XM | 75(55～95) | 600 | 300 | 1 | 0.5 | 3000 |
| SMD90XM | 90(63～117) | 700 | 300 | 1 | 0.5 | 3000 |
| SMD120XM | 120(84～156) | 700 | 300 | 1 | 0.5 | 3000 |
| SMD150XM | 150(105～195) | 750 | 300 | 1 | 0.5 | 3000 |
| SMD200XM | 200(140～260) | 750 | 300 | 1 | 0.5 | 3000 |
| SMD230XM | 230(161～299) | 750 | 300 | 1 | 0.5 | 3000 |
| SMD300XM | 300(210～390) | 800 | 300 | 1 | 0.5 | 3000 |
| SMD350XM | 350(245～455) | 900 | 300 | 1 | 0.5 | 3000 |
| SMD400XM | 400(280～520) | 950 | 300 | 1 | 0.5 | 3000 |
| SMD420XM | 420(294～546) | 950 | 300 | 1 | 0.5 | 3000 |
| SMD470XM | 470(329～611) | 1000 | 300 | 1 | 0.5 | 3000 |
| SMD500XM | 500(350～650) | 1100 | 300 | 1 | 0.5 | 3000 |
| SMD600XM | 600(420～780) | 1200 | 300 | 1 | 0.5 | 3000 |
OVP Overvoltage Protection
Varistor
GDT
TVS
ESD
Frequently Asked Question FAQ
Q: Are you manufacturer ?
A: Yes, we are manufacturer and distributor of famous brand such as Littelfuse.
Q: Which city does your factory in ?
A: Dongguan City,Guangdong Province, China
Q: May i know your working time ?
A: Official working time is 8:00 ~ 12:00 AM, 1:30 ~ 5:30 PM.However, sales in our overseas department will do overtime working and 7x24hours online.
Q: Do you accept custom made ?
A: Yes, we are professional in customization model based on rich experiences and professional engineering.It’s helpful if you can provide drawing or detailed specification should be.
Q: May i know your lead time ?
A: Lead time is 7 days for standard model and exact lead time depend on detailed requirements if special model selected.
Q: May i receive samples before place order ?
A: Yes, generally samples is free but sample cost should be charged if quantity is too many ,product cost is too much or new mould fee required.
Q: What’s your payment terms ?
A: T/T, Paypal etc.
Q: What’s currency you can accept ?
A: Mainly US dollars and Chinese Yuan
Q: Does your package method safe for transportation ?
A: Yes, our package would be 10~1000pcs per plastic bag -> multiple bags per box -> multiple boxes per carton and it is safe for express/air/boat shipment.
Q: What’s your MOQ ?
A: In general , MOQ is 1000pcs and different for special model.
