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  • 型号: SMAJ20A
  • 制造商: Bourns
  • 库位|库存: xxxx|xxxx
  • 要求:
数量阶梯 香港交货 国内含税
+xxxx $xxxx ¥xxxx

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SMAJ20A产品简介:

ICGOO电子元器件商城为您提供SMAJ20A由Bourns设计生产,在icgoo商城现货销售,并且可以通过原厂、代理商等渠道进行代购。 SMAJ20A价格参考。BournsSMAJ20A封装/规格:TVS - 二极管, 。您可以下载SMAJ20A参考资料、Datasheet数据手册功能说明书,资料中有SMAJ20A 详细功能的应用电路图电压和使用方法及教程。

Bourns Inc.生产的SMAJ20A是一款瞬态电压抑制(TVS)二极管,广泛应用于各种电子设备中,用于保护电路免受瞬态电压的损害。具体应用场景如下:

1. 电源线路保护:SMAJ20A可以用于保护直流或交流电源线路上的敏感电子元件,防止因雷击、静电放电(ESD)、开关瞬变等引起的过电压损坏。

2. 通信接口保护:在RS-232、RS-485、USB等通信接口中,SMAJ20A能够有效抑制瞬态电压,确保数据传输的稳定性和可靠性,避免因外部干扰导致的通信中断或数据丢失。

3. 汽车电子系统:在汽车电子领域,SMAJ20A可用于保护车载音响、导航系统、发动机控制单元(ECU)等关键组件,抵御由电池电压波动、继电器切换等引起的瞬态电压冲击。

4. 工业控制系统:在自动化生产线、PLC(可编程逻辑控制器)、传感器等工业设备中,SMAJ20A能有效保护电路免受电磁干扰(EMI)、静电放电等瞬态事件的影响,确保系统的正常运行。

5. 消费电子产品:如手机、平板电脑、笔记本电脑等便携式设备中,SMAJ20A可以保护充电接口、耳机插孔等部位,防止因外部电源或连接设备引入的瞬态电压对内部电路造成损害。

6. 家电产品:在电视、冰箱、洗衣机等家用电器中,SMAJ20A可用于保护控制板上的微处理器、显示器驱动器等关键元件,防止因电网波动或操作不当引起的过电压问题。

7. 医疗设备:在监护仪、超声波设备、心电图机等医疗仪器中,SMAJ20A能够确保设备的安全性和稳定性,避免因瞬态电压导致的误诊或设备故障,保障患者安全。

总之,SMAJ20A凭借其快速响应时间、高浪涌电流吸收能力和低箝位电压特性,在众多领域中发挥着重要的保护作用,确保电子设备的可靠性和安全性。
产品参数 图文手册 常见问题
参数 数值
产品目录

电路保护

描述

TVS DIODE 20VWM SMDTVS 二极管 - 瞬态电压抑制器 20volts 5uA 12.3 Amps Uni-Dir

产品分类

TVS - 二极管

品牌

Bourns Inc.

产品手册

点击此处下载产品Datasheet

产品图片

rohs

RoHS 合规性豁免无铅 / 符合限制有害物质指令(RoHS)规范要求

产品系列

二极管与整流器,TVS二极管,TVS 二极管 - 瞬态电压抑制器,Bourns SMAJ20ASMAJ

数据手册

点击此处下载产品Datasheet

产品型号

SMAJ20A

RoHS指令信息

点击此处下载产品Datasheet

不同频率时的电容

-

产品目录绘图

产品目录页面

点击此处下载产品Datasheet

产品种类

TVS 二极管 - 瞬态电压抑制器

供应商器件封装

SMA (DO-214AC)

其它名称

SMAJ20ABTR

击穿电压

22.2 V to 24.5 V

功率-峰值脉冲

400W

包装

带卷 (TR)

单向通道

1

双向通道

-

商标

Bourns

安装类型

表面贴装

安装风格

SMD/SMT

封装

Reel

封装/外壳

DO-214AC,SMA

封装/箱体

DO-214AC

尺寸

2.92 mm W x 4.57 mm L x 2.62 mm H

峰值浪涌电流

40 A

峰值脉冲功率耗散

400 W

工作温度

-55°C ~ 150°C (TJ)

工作电压

3.5 V

工厂包装数量

5000

应用

通用

最大工作温度

+ 150 C

最小工作温度

- 55 C

极性

Unidirectional

标准包装

5,000

特色产品

http://www.digikey.com/product-highlights/cn/zh/bourns-smx-tvs-diodes/1448

电压-击穿(最小值)

22.2V

电压-反向关态(典型值)

20V

电压-箝位(最大值)@Ipp

-

电流-峰值脉冲(10/1000µs)

-

电源线路保护

端接类型

SMD/SMT

类型

齐纳

系列

SMAJ

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PDF Datasheet 数据手册内容提取

SMAJ5.0 THRU SMAJ440CA Stand-off Voltage - 5.0 to 440 Volts Peak Pulse Power: 400 Watts SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR Features DO-214AC/SMA  For surface mounted applications in order to optimize board space  Low profile package  Built-in strain relief  Glass passivated junction 00..006571 ((11..7300)) 00..101904((22..8400))  Low inductance  Excellent clamping capability  400W peak pulse power capability at 10/1000μs waveform, 00..117577((43..5909))  Repetition rate (duty cycle): 0.01% 0.012(0.305)  Fast response time 0.006(0.152)  Typical IR less than 1μA above 10V 0.096(2.42)  High Temperature soldering: 260℃/10 seconds at terminals 0.078(1.98)  Plastic package has underwriters laboratory flammability 94V-0 0.060(1.52) 0.030(0.76) 0.008(0.203)MAX. 0.208(5.30) Mechanical Data 0.188(4.80) Case(cid:3): JEDEC DO-214AC/SMA molded plastic body Terminals(cid:3): Solderable per MIL-STD-750,Method 2026(cid:3) Polarity(cid:3): Polarity symbol marking on body Dimensions in inches and (millimeters) (cid:3): Any Mounting Position Weight : 0.07 grams Marking : Date Code and Marking Code See Page 3 Applications I/Ointerface AC/DCpo w ersupply Lowfrequencysignaltransmissionline(RS232,RS485,etc.) MAXIMUM RATINGS AND CHARACTERISTICS Ratingsat25℃ ambienttemperatureunlessotherwisespecified. Peak pulse power dissipation at 10/1000μswaveform P Minimum 400 W (Note1, Note2, Fig.1) PPM Peak pulse current of at 10/1000μs waveform (Note 1, Fig.3) I See Table A PPM Steady state power dissipation atTA=50℃(Fig.5) PM(AV) 3.3 W Peak forward surge current, 8.3ms single halfsine-wave I 40 A superimposed on rated load, (JEDEC Method) (Note3, Fig.6) FSM Operating junction and Storage Temperature Range. T ,T -65 to +150 ℃ J STG Typicalthermal resistance junction to lead RθJL 30 ℃/W Typicalthermal resistance junction to ambient RθJA 120 ℃/W Notes:1. Non-repetitive current pulse, per Fig.3 and derated above TA=25℃ per Fig.2. 2. Mounted on 5.0mm×5.0mm (0.03mm thick)copper pads to eachterminal. 3. 8.3mssinglehalfsine-wave,orequivalentsquarewave,dutycycle=4pulsesperminutesmaximum. DN:T20515A0 http://www.microdiode.com Rev:2020A0 Page :1

SMAJ5.0 THRU SMAJ440CA Stand-off Voltage - 5.0 to 440 Volts Peak Pulse Power: 400 Watts Electrical Characteristics (TA=25℃℃) Maximum Device Reverse Breakdown Peak Reverse Test Clamping PartNumber Marking Stand-Off Voltage Pulse Leakage Current Voltage Code Voltage @IT @IPP Current @VRWM Unidirectional Bidirectional UNI BI VRWM(V) VBR(V) IT(mA) VC(V) IPP(A) IR(μA) SMAJ5.0A SMAJ5.0CA AE WE 5.0 6.40~7.00 10 9.2 43.5 800 SMAJ6.0A SMAJ6.0CA AG WG 6.0 6.67~7.37 10 10.3 38.8 800 SMAJ6.5A SMAJ6.5CA AK WK 6.5 7.22~7.98 10 11.2 35.7 500 SMAJ7.0A SMAJ7.0CA AM WM 7.0 7.78~8.60 10 12.0 33.3 200 SMAJ7.5A SMAJ7.5CA AP WP 7.5 8.33~9.21 1 12.9 31.0 100 SMAJ8.0A SMAJ8.0CA AR WR 8.0 8.89~9.83 1 13.6 29.4 50 SMAJ8.5A SMAJ8.5CA AT WT 8.5 9.44~10.40 1 14.4 27.8 20 SMAJ9.0A SMAJ9.0CA AV WV 9.0 10.00~11.10 1 15.4 26.0 10 SMAJ10A SMAJ10CA AX WX 10.0 11.10~12.30 1 17.0 23.5 5 SMAJ11A SMAJ11CA AZ WZ 11.0 12.20~13.50 1 18.2 22.0 1 SMAJ12A SMAJ12CA BE XE 12.0 13.30~14.70 1 19.9 20.1 1 SMAJ13A SMAJ13CA BG XG 13.0 14.40~15.90 1 21.5 18.6 1 SMAJ14A SMAJ14CA BK XK 14.0 15.60~17.20 1 23.2 17.2 1 SMAJ15A SMAJ15CA BM XM 15.0 16.70~18.50 1 24.4 16.4 1 SMAJ16A SMAJ16CA BP XP 16.0 17.80~19.70 1 26.0 15.4 1 SMAJ17A SMAJ17CA BR XR 17.0 18.90~20.90 1 27.6 14.5 1 SMAJ18A SMAJ18CA BT XT 18.0 20.00~22.10 1 29.2 13.7 1 SMAJ20A SMAJ20CA BV XV 20.0 22.20~24.50 1 32.4 12.3 1 SMAJ22A SMAJ22CA BX XX 22.0 24.40~26.90 1 35.5 11.3 1 SMAJ24A SMAJ24CA BZ XZ 24.0 26.70~29.50 1 38.9 10.3 1 SMAJ26A SMAJ26CA CE YE 26.0 28.90~31.90 1 42.1 9.5 1 SMAJ28A SMAJ28CA CG YG 28.0 31.10~34.40 1 45.4 8.8 1 SMAJ30A SMAJ30CA CK YK 30.0 33.30~36.80 1 48.4 8.3 1 SMAJ33A SMAJ33CA CM YM 33.0 36.70~40.60 1 53.3 7.5 1 SMAJ36A SMAJ36CA CP YP 36.0 40.00~44.20 1 58.1 6.9 1 SMAJ40A SMAJ40CA CR YR 40.0 44.40~49.10 1 64.5 6.2 1 SMAJ43A SMAJ43CA CT YT 43.0 47.80~52.80 1 69.4 5.8 1 SMAJ45A SMAJ45CA CV YV 45.0 50.00~55.30 1 72.7 5.5 1 SMAJ48A SMAJ48CA CX YX 48.0 53.30~58.90 1 77.4 5.2 1 SMAJ51A SMAJ51CA CZ YZ 51.0 56.70~62.70 1 82.4 4.9 1 SMAJ54A SMAJ54CA RE ZE 54.0 60.00~66.30 1 87.1 4.6 1 SMAJ58A SMAJ58CA RG ZG 58.0 64.40~71.20 1 93.6 4.3 1 SMAJ60A SMAJ60CA RK ZK 60.0 66.70~73.70 1 96.8 4.1 1 SMAJ64A SMAJ64CA RM ZM 64.0 71.10~78.60 1 103.0 3.9 1 SMAJ70A SMAJ70CA RP ZP 70.0 77.80~86.00 1 113.0 3.5 1 SMAJ75A SMAJ75CA RR ZR 75.0 83.30~92.10 1 121.0 3.3 1 SMAJ78A SMAJ78CA RT ZT 78.0 86.70~95.80 1 126.0 3.2 1 SMAJ85A SMAJ85CA RV ZV 85.0 94.40~104.00 1 137.0 2.9 1 SMAJ90A SMAJ90CA RX ZX 90.0 100.00~111.00 1 146.0 2.7 1 SMAJ100A SMAJ100CA RZ ZZ 100.0 111.00~123.00 1 162.0 2.5 1 SMAJ110A SMAJ110CA SE VE 110.0 122.00~135.00 1 177.0 2.3 1 SMAJ120A SMAJ120CA SG VG 120.0 133.00~147.00 1 193.0 2.1 1 https://www.microdiode.com Rev:2020A0 Page :2

SMAJ5.0 THRU SMAJ440CA Stand-off Voltage - 5.0 to 440 Volts Peak Pulse Power: 400 Watts Electrical Characteristics (TA=25℃℃) Maximum Device Reverse Breakdown Peak Reverse Test Clamping PartNumber Marking Stand-Off Voltage Pulse Leakage Current Voltage Code Voltage @IT @IPP Current @VRWM Unidirectional Bidirectional UNI BI VRWM(V) VBR(V) IT(mA) VC(V) IPP(A) IR(μA) SMAJ120A SMAJ120CA SG VG 120.0 133.00~147.00 1 193.0 2.1 1 SMAJ130A SMAJ130CA SK VK 130.0 144.00~159.00 1 209.0 1.9 1 SMAJ150A SMAJ150CA SM VM 150.0 167.00~185.00 1 243.0 1.6 1 SMAJ160A SMAJ160CA SP VP 160.0 178.00~197.00 1 259.0 1.5 1 SMAJ170A SMAJ170CA SR VR 170.0 189.00~209.00 1 275.0 1.5 1 SMAJ180A SMAJ180CA ST VT 180.0 201.00~222.00 1 292.0 1.4 1 SMAJ190A SMAJ190CA SU YU 190.0 211.00~233.00 1 308.0 1.3 1 SMAJ200A SMAJ200CA SV VV 200.0 224.00~247.00 1 324.0 1.2 1 SMAJ210A SMAJ210CA SW YW 210.0 237.00~263.00 1 340.0 1.2 1 SMAJ220A SMAJ220CA GE VX 220.0 246.00~272.00 1 356.0 1.1 1 SMAJ250A SMAJ250CA SZ VZ 250.0 279.00~309.00 1 405.0 1.0 1 SMAJ300A SMAJ300CA TE UE 300.0 335.00~371.00 1 486.0 0.8 1 SMAJ350A SMAJ350CA TG UG 350.0 391.00~432.00 1 567.0 0.7 1 SMAJ400A SMAJ400CA TK UK 400.0 447.00~494.00 1 648.0 0.6 1 SMAJ440A SMAJ440CA TM UM 440.0 492.00~543.00 1 713.0 0.6 1 Notes:ForbidirectionaltypehavingV of10Vandless,theI limitisdouble. RWM R Figure1.PeakPulsePowerRatingCurve Figure2.PulseDeratingCurve 100 W) k er ( 80 w o P se 60 ul P k ea 40 P - M PPP 20 0 0 25 50 75 100 125 150 175 TA-Ambient Temperature(℃) Figure3.PulseWaveform Figure4.TypicalJunctionCapacitance M RS %I nt, e urr C e s ul P k a e P - M IPP http://www.microdiode.com Rev:2020A0 Page :3

SMAJ5.0 THRU SMAJ440CA Stand-off Voltage - 5.0 to 440 Volts Peak Pulse Power: 400 Watts Figure5.SteadyStatePowerDissipationDerating Figure6.MaximumNon-RepetitiveForward Curve SurgeCurrentUni-DirectionalOnly ReflowSoldering RecommendedConditions ProfileFeature Pb-FreeAssembly Averageramp-uprate(T toT ) 3℃/secondmax. L P Preheat -TemperatureMin(T ) 150℃ Smin -TemperatureMax(T ) 200℃ Smax -Time(mintomax)(t ) 60-180seconds S T toT Smax L -Ramp-upRate 3℃/secondmax. Timemaintainedabove: -Temperature(T ) 217℃ L -Time(t ) 60-150seconds L PeakTemperature(T ) 260℃ P Timewithin5℃ofactualPeakTemperature(t ) 20-40seconds P Ramp-downRate 6℃/secondmax. Time25℃toPeakTemperature 8minutesmax. The curve above is for reference only. htts://www.microdiode.com Rev:2020A0 Page :4

SMAJ5.0 THRU SMAJ440CA Stand-off Voltage - 5.0 to 440 Volts Peak Pulse Power: 400 Watts Packing information unit:mm P0 P1 Item Symbol Tolerance SMA d E Carrierwidth A 0.1 2.80 F Carrierlength B 0.1 5.33 B W Carrierdepth C 0.1 2.36 Sprockethole d 0.05 1.50 13"Reeloutsidediameter D 2.0 330.00 13"Reelinnerdiameter D1 min 50.00 A P 7"Reeloutsidediameter D 2.0 178.00 7"Reelinnerdiameter D1 min 62.00 Feedholediameter D2 0.5 13.00 Sprocketholeposition E 0.1 1.75 D2 D1 Punchholeposition F 0.1 5.50 T Punchholepitch P 0.1 4.00 C Sprocketholepitch P0 0.1 4.00 Embossmentcenter P1 0.1 2.00 D W1 OTavpeerawllitdatphethickness WT 00..31 102..2080 Reelwidth W1 1.0 18.00 Note:Devices are packed in accor dance with EIA standar RS-481-A and specifications listed above. Reel packing COMPONENT INNER REEL CARTON APPROX. PACKAGE REELSIZE REEL SPACING BOX BOX DIA, SIZE CARTON GROSS WEIGHT (pcs) (m/m) (pcs) (m/m) (m/m) (m/m) (pcs) (kg) SMA 7" 2,000 4.0 4,000 183*155*183 178 382*356*392 80,000 12.0 SMA 11" 5,000 4.0 10,000 290*290*38 330 310*310*360 80,000 11.0 SMA 13" 7,500 4.0 15,000 335*335*38 330 350*330*360 120,000 14.5 Suggested Pad Layout Symbol Unit(mm) Unit(inch) A 1.68 0.066 B 1.52 0.060 C 3.90 0.154 D 2.41 0.095 E 5.45 0.215 Important Notice and Disclaimer Microdiode Electronics (Jiangsu) reserves the right to make changes to this document and its products and specifications at any time without notice. Customers should obtain and confirm the latest product information and specifications before final design,purchase or use. Microdiode Electronics (Jiangsu) makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, not does Microdiode Electronics (Jiangsu) assume any liability for application assistance or customer product design. Microdiode Electronics (Jiangsu) does not warrant or accept any liability with products which are purchased or used for any unintended or unauthorized application. No license is granted by implication or otherwise under any intellectual property rights of Microdiode Electronics (Jiangsu). Microdiode Electronics (Jiangsu) products are not authorized for use as critical components in life support devices or systems without express written approval of Microdiode Electronics (Jiangsu). http://www.microdiode.com Rev:2020A0 Page :5