20D561K LEIDITECH
Document overview
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Technical content
1 . OUTLINE 1.1 APPEARANCE WITHOUT DIRT&CRACK,MARKING SHOULD BE CLEAR 1.2 Marking & Dimensions D(max) 23.0mm Marking T(max) 6.2mm F(±0.8) 10.0mm P a r t N o D K H(max) 26.5mm S t a n d a r d f o r S a f e t y C U L V D E L(min) 15.0mm D a t e C o d e Y Y e a r M M o n t h d(±0.05) 1.0mm J H i g h E n e r g y 2 . ELECTRICAL PARAMETER Electrical specification project performance requirement Unit Explain 2.1 MAX ALLOWABLE VOLTAGE 350 VAC 交流 Varistor can withstand the maximum sustained for a long time可容许之最大电压 460 VDC 直流 2.2 VARISTOR VOLTAGE 504-616 ( V ) Current 1mA DC current in Varistors ， 压敏电压 Voltage drop between two electrodes. 2.3 RATED WATTAGE 1.00 (W) The waveform is 8/20μs, the peak value is 100A, and the time interval is Under the action of the current pulse group of 6.3sec, Varistors can withstand maximum average power 额定功率及脉冲电流稳定性 And Times 2.4 MAX CLAMPING VOLTAGE 920 (V) The waveform is 8/20μs and the peak current is 100A voltage peak between two electrodes when a varistor is applied. 最大抑制电压 2.5 WITHSTANDING SURGE 10000 (A) 1 TIME The varistor can withstand a waveform of 8/20 μ s Maximum surge current peak CURRENT 突波电流耐量 6500 (A) 2 TIMES 最大峰值电流 2.6 MAX ENERGY
370 JOULE
When applying a 10/1000 μs square wave current to the varistor It is capable of withstanding maximum surge energy 最大能量 2.7 TEMPFRATURE COEFFICIENT 0~0.05 ％/℃ % 电压温度系数 2.8 TYPICAI CAPACITNACE TANCE 715 PF Frequency: 1kHz + 10%, signal level Less than 1VRMS, zero bias. 电容量 (参考值) (reference) 2.9 LEAKAGE CURRENT ≤20 μA Both ends are subjected to maximum continuous DC work 漏电流
2.10 Encapsulating material Blue flame retardant epoxy resin （accord with UL 94 V-0）
2.11 Main material ZnO
2.12 Appearance No stains, no cracks, clear signs
2.13 Standard test environmental conditions Temperature: 5 ~ 35 degrees centigrade, relative humidity: 45 ~ 85%RH 0 0 1 1 2 5 8 5 1 1 0 02 5 6 0 ( ) ( ) ( ) m A m A m A U C U C U C 20D561K Rev : www.leiditech.com 01.06.2017 1/4
Test Parameter Test Condition / Description Performance Requirements Terminal Pull Strength After gradually applying the load specified below and keeping the unit fixed for ten seconds, the terminal shall be visually examined for any damage. Diameter Loading No visible damage 0.6mm 1.0 Kg 0.8mm 1.0 Kg 1.0mm 2.0 Kg Terminal Bending Strength The unit shall be secured with its terminal kept vertical and the weight specified below be applied in the axial direction. The terminal shall gradually be bent by 90° in one direction, then 90° in the opposite direction, and again back to the original position. The damage of the terminal shall be visually examined. Diameter Loading No visible damage 0.6mm 0.5 Kg 0.8mm 0.5 Kg 1.0mm 1.0 Kg Vibration The Specimen shall be vibrated by its lead wires with a total amplitude of 1.5 ㎜ and a varying frequency of 10~55~10HZ(each minutes) for a period of 2 hours respectively in each X,Yand Z directions. No visible damage △VB/VB%≦±5% Soldering-solderability After dipping the terminal to depth of approximately 3㎜ from the specimen in a soldering bath of 260℃ for 10±1(D5: 5±1) seconds. Thereafter the terminal shall be visually examined. Terminations shall be uniformly tinned Soldering- Resistance to Solder Heat After preheating the specimen, the specimen shall be completely immersed into a soldering bath having a temperature of 260±5℃ for 10±1 (D5: 5±1) seconds or iron of 400±5℃ for 3±0.5 seconds. There after the change of Vb and mechanical damage shall be examined. No visible damage △VB/VB%≦±5% ENVIRONMENTAL RATINGS Dry Heat Loading The specimen shall be applied continuously the maximum allowable voltage at the specified conditions for specified period and then stored at room temperature and normal humidity over 2 hours. Thereafter, the change of Vb and mechanical damage shall be examined. Ambient temp：125±2℃ ; Period：1000±24hours. △VB/VB%≦±10% High Temperature Storage In a drying oven without load. Ambient temp：125±2℃ ; period：1000±24hours △VB/VB%≦±5% Damp Heat Loading The specimen shall be applied continuously the maximum allowable voltage at the specified conditions for specified period and then stored at room temperature and normal humidity over 2 hours. Thereafter, the change of Vb and mechanical damage shall be examined. Ambient condition：40±2℃ , 90 to 95%R.H. ; period：1000±24 hours △VB/VB%≦±10% Temperature Cycle Condition the specimen to each temperature form step 1 to step 4 in this order for the period shown in the table of specifications. The change of Vb and mechanical damage shall be examined after 2 hours. Temp o C Period No visible damage △VB/VB%≦±10% -40+3 o C 30 min. Room Temp 15 min. 85+2 o C 30 min. Room Temp 15 min. Surge Lifetime Rating The change of Vb shall be measured after the impulse listed below is applied 10,000 times continuously with the interval of ten seconds at room temperature. No visible damage △VB/VB%≦±10% Service temperature range -40℃ ～ + 85℃ No visible damage △VB/VB%≦±10% Storage temperature range -40℃ ～ +125℃ No visible damage △VB/VB%≦±10% Voltage Proof Voltage：2500VAC Leakage Current≦0.5mA Time：60 Seconds No Breakdown 20D561K Rev : www.leiditech.com 01.06.2017 2/4
- Maximum Clamping Voltage The maximum voltage between two terminals with the specification standard impulse current. U n i t P c s D i m e n s i o n P a r t N o B a g S m a l l C a r t o n C a r t o n D L t o K D S h o r t l e g L t o K 20D561K Rev : www.leiditech.com 01.06.2017 3/4
S u r g e L i f e T i m e R a t i n g s 額 定 突 波 壽 命 N S t a n d a r d K L o w C a p a c i t a n c e S e r i e s 標 準 型 低 電 容 系 列 V I C U R V E V I 特 性 曲 線 20D561K Shanghai Leiditech Electronic Co.,Ltd Email: sale1@leiditech.com Tel : +86- 021 50828806 Fax : +86- 021 50477059 Rev : www.leiditech.com 01.06.2017 4/4