收藏本站
RS-485 Port Protection
Evaluation Board 1
Introduction
This Evaluation Board serves as an aid in
evaluating circuit protection on RS-485
serial device ports, using two Bourns?
TBU? High-Speed Protectors (HSP), two
IN1
1
GDT1
1
TBU? HSP 1
2
TVS1
1
2
TVS3
3
1
TVS5
1
OUT1
fast-acting GDTs and two TVS diodes to
1
3
GDT3
2
2
3
1
GND
meet the required industry standards on
RS-485 port interfaces. The recommended
Bourns? TBU? device solution, with a
low capacitance GDT, offers enhanced
GND
IN2
1
GDT2
1
TBU? HSP 2
2
TVS2
1
3
TVS4
1
OUT2
high-speed performance features over
competing technologies, which can help
the design engineer increase the surge and
transient protection level on RS-485 ports
and place the entire circuit protection
solution into a smaller reduced PCB
area. Bourns has developed an RS-485
Evaluation Board (measuring 45 mm x
21?mm x 1.2 mm) manufactured using FR4
PCB with nickel gold plating on the top
and bottom sides.
How to Connect the Evaluation
Board for Test Set-up
? Connect IN1 and IN2 to the
exposed lines.
? Connect OUT1 and OUT2 to the
RS-485 IC device.
Figure 1
Figure 2
Table 1
RS-485 Evaluation Board Schematic
RS-485 Evaluation Board Top Side Layout*
RS-485 Evaluation Board Bill of Materials
* The default configuration of this board uses 2 GDTs
(GDT1, GDT2) and discrete SMB TVS diodes
(TVS1,TVS2). The board allows different configurations:
? 2 single 2031 GDTs (GDT1 and GDT2) may be
replaced by a dual 2030 GDT (GDT3)
? 2 SMB TVS diodes (TVS1 and TVS2) may be
replaced with a) 2 SOT23 TVS diodes (TVS3, TVS4)
or b) a single TVS diode array (TVS5)
No.
1
2
3
Part Number
TBU-CA065-200-WH
2031-23T-SM-RPLF
SMBJ12CA
Qty.
2
2
2
Description
TBU? Single Bidirectional Line 650 V 200 mA
Single Line Fast-acting GDT 650 V
Single Bidirectional Line TVS 12 V SMB
Reference
TBU? HSP 1, TBU? HSP 2
GDT1, GDT2
TVS1, TVS2
10/12 ? FU1213
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
RS-485EVALBOARD2 TBU EVAL BOARD PORT RS-485
RST 160 FUSE 160MA 250VAC RADIAL SLOW
RTEF120 POLYSWITCH RTE SERIES 1.20A HOLD
RTEF135 POLYSWITCH RTE SERIES 1.35A HOLD
RTEF190 POLYSWITCH RTE SERIES 1.90A HOLD
RTP200R060SA-2 RTP SURGE PROTECTOR SMD
RUEF090-1 POLYSWITCH PTC RESET 0.9A HOLD
RUEF110-AP POLYSWITCH PTC RESET 1.1A AMMO
相关代理商/技术参数
RS-485EVALBOARD2 功能描述:其他开发工具 TVS/TBU/MOV Eval Board RoHS:否 制造商:Parallax 产品:ELEV-8 Hex Upgrade Kits 类型:Robotics 工具用于评估:ELEV-8 Quadcopter 工作电源电压:
RS485-FL-DPLX-EVM 功能描述:SN65HVD3x, SN65HVD5x, SN65HVD7x, SN65HVD147x, SN65HVD179x - Interface, Transceiver, RS-485 Evaluation Board 制造商:texas instruments 系列:- 零件状态:有效 主要用途:接口，收发器，RS-485 嵌入式:- 使用的 IC/零件:SN65HVD3x，SN65HVD5x，SN65HVD7x，SN65HVD147x，SN65HVD179x 主要属性:- 辅助属性:- 所含物品:板 标准包装:1
RS485-HF-DPLX-EVM 功能描述:界面开发工具 RS485-HF-DPLX EVAL MOD RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V
RS485-M850 制造商:HOBUT 功能描述:MODULE RS485 FOR USE WITH M850 制造商:HOBUT 功能描述:MODULE, RS485, FOR USE WITH M850 制造商:HOBUT 功能描述:MODULE, RS485, FOR USE WITH M850, Accessory Type:RS485, For Use With:M850
RS-485-SC1 制造商:Carlo Gavazzi 功能描述:CABLE G34960007 SUBD 9M/8M DIN
RS-485-SI1 制造商:Carlo Gavazzi 功能描述:CABLE G34960010 SUBD 9M/9M
RS4924CG1 功能描述:机架和机柜 1564 RAPID RACK RoHS:否 制造商:Hammond Manufacturing 产品:Racks 类型:Table Top 外部宽度: 外部高度: 外部深度: 面板高度: 面板宽度:
RS4931CG1 功能描述:机架和机柜 1564 RAPID RACK RoHS:否 制造商:Hammond Manufacturing 产品:Racks 类型:Table Top 外部宽度: 外部高度: 外部深度: 面板高度: 面板宽度: