SMB-141N-SMB-901M
SURFACE MOUNT GLASS TUBE
Features
!
Small Capacitance and excellent Insulation
Ω
Resistance(100M min)
!
!
!
Small Size,No Polarity.No Dark effect
Low Electrode Capacitance (1pF Max).
Quick Response For Electrostatic,Voltage and
low limiting vloltage
C
!
Stable for repeated discharge test conditions.
O
O
!
!
Operating Temperature: -40 C ~ + 85 C
Storage temperature:
B
-40OC ~ + 125OC
A
Application
For instantaneous over-volage protection to ADSL,ISDN,
!
!
LL34/ SOD-80
MODEM,FAX,TEL,Power Supplies ,
Dim
A
Min
3.30
1.30
0.28
Max
3.70
1.60
0.50
Alarm systems
!
!
For Instantaneous over-voltage protection to
B
RS485,RS232 Port, CATV,Video Transceiver.
For Instantaneous Over-Voltage Protection
Toammeter,Water Meter Auto Admin system,etc
C
All Dimensions in mm
Electrical Characteristics
DC Spark-Over Voltage
current
8/20us
Vs(V)
Insulation Resistance
Test voltage IR (MΩ)
Capacitance
Surge Life
Test
Surge
of
Part Number
electrostatic
Nominal value (min-max)
capacity
1KHz-6V(PF)
SMB-141N
SMB-181N
SMB-201M
SMB-251M
SMB-301M
SMB-401M
SMB-471M
SMB-501M
SMD-901M
SMB-901M
140V
180V
200V
250V
300V
400V
470V
500V
900V
900V
(98V-182V)
(126V-234V)
(160V-240V)
(200V-300V)
(240V-360V)
(320V-480V)
(400V-560V)
(400V-600V)
(720V-1080V)
(720V-1080V)
DC100V
>1000MΩ
>1000MΩ
8/20us
1000A
10times
1PF(MAX)
1000A
DC250V
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