SMB Datasheet, PDF (1/2 Pages) Microsemi Corporation – UNI- AMD BI-DIRECTIONAL SURFACE MOUNT

ShenZhen HuaXinAn Electronics Co.,Ltd
Surge Absorbers
SMB Series
1000A
1 Application:
Fast Delivery Time
·For instantaneous over-voltage protection to ADSL,ISDN,MODEM,FAX,TEL,Power Supplies,Alarm systems.
·For instantaneous over-voltage protection to RS485,RS232 port, CATV,video transceiver.
·For instantaneous over-voltage protection to ammeter,water meter auto admin system, etc
2 Features
·Small capacitance and excellent insulation resistance(100MΩ min).
·Small size,No polarity.No dark effect.
·Low electrode capacitance(1pF max).
·Quick response for electrostatic,surge voltage and low limiting voltage.
·Stable for repeated discharge test conditions.
·Operating temperature: -40℃ ~ +85℃. Storage temperature: -40℃ ~ +125℃.
3 Electrical Characteristics
DC Spark-Over Voltage Vs(V) Insulation Resistance Capacitance Surge current Surge Life
Part Number
of
capacity 8/20us
Test
Nominal value （min-max)
electrostatic
Test voltage IR (MΩ) 1KHz-6V(PF)
SMB-141N
140V
(98V-182V)
SMB-181N
180V
(126V-234V)
SMB-201M
200V
(160V-240V)
SMB-251M
SMB-301M
SMB-401M
SMB-471M
250V
300V
400V
470V
(200V-300V)
(240V-360V)
(320V-480V)
（400V-560V）
DC100V >1000MΩ
1PF(MAX)
1000A
8/20us
1000A
SMB-501M
SMD-901M
500V
900V
(400V-600V)
(720V-1080V)
DC250V
>1000MΩ
10times
SMB-901M
900V
(720V-1080V)
4 Dimension(mm)：
Model Series
SMB
①
Φ2.6±0.3
Revised:February 25,2014
②
4.2±0.4
③
0.4±0.2
1
www.huaandz.com
④
Φ2.7±0.3
⑤
0.5 Max