DG-CA3 (ᴓ 4.5x3.2x2.7) 2-Electrodes Surge Arrester
Gas Tube Arresters


Features
Filled with inner gas; discharge voltage can be

Capability for multiple surge occasions
specified based on gas type and pressure to protect

Wide range of voltages (90V- 600V)
personnel and equipment.

Low capacitance and insertion loss
Helps provide overvoltage fault protection against

Crowbar device with low arc voltage, no
damage caused by high energy surges

polarity

Suitable for use in sensitive, high-frequency
applications due to impulse spark-over response
High accuracy spark-over voltages for high
precision designs
Dimensions: mm
BTV-DG***M-CA3
DC
Part Number
Impulse
AC
Breakdown
Tolerance
Breakdown
Discharge
Voltage (V
of DCBV
Voltage (V
Current
@1kV/s)
(A @50Hz)
@100V/s)
Surge
Surge
Discharge
Discharge
Insulation
Electrode
Current
Current
Resistance
Capacitance
(A@10/1000
(kA
(MΩ)
(pF @1MHz)
µs)
@8/20µs)
BTV-DG090M-CA3
90
±20%
≤700
2
50
2
≥1000
≤1
BTV-DG150M-CA3
150
±20%
≤700
2
50
2
≥1000
≤1
BTV-DG230M-CA3
230
±20%
≤700
2
50
2
≥1000
≤1
BTV-DG350M-CA3
350
±20%
≤900
2
50
2
≥1000
≤1
BTV-DG470M-CA3
470
±20%
≤1000
2
50
2
≥1000
≤1
BTV-DG600M-CA3
600
±20%
≤1200
2
50
2
≥1000
≤1
Part Numbering
Applications
BTV- DG 090M- CA3
Protection for telecommunication equipment:
1
2
3
4
Telephone, fax machine, modem, PBX, distribution
(1)
Product Series: BTV
frame, network facilities), CATV, coaxial cable
(2)
Lead Type: DG --- without lead
networks, camera networks, cathode emission tubes,
(3)
DC Breakdown Voltage: 090M 90V
power lines and power/signal circuits.
(4)
Fail Safe Type: CA3 --- without fail safe
Ordering Information
Series No.
Lead Type
DC Breakdown Volt.
Quantity
Purchase Order No.
BTV-DG***M-CA3
BETTER ELECTRONICS
TECHNOLOGY CO., LTD
东莞市贝特电子科技股份有限公司
www.betterfuse.com
China sales:
Jacky Huang
[email protected]
+86 769-83238731 ext.859
Japan sales:
Li Ling
[email protected]
+86-769-2307 8207
South Korea sales:
Jenny Li
[email protected]
+86 769-2307 8212
Europe sales:
Helge Glueck
[email protected]
+49-341-946 98772