SMART Electronics Inc.
1
2
3
Bulky Surge Absorber is…
•
Small Size
•
Excellent Durability
•
Constant shape
•
Great Surge Current Capacity
6842series
6842series
Square type
Cylinder type
4532series
4532series
Square type
Cylinder type
Fig. BSA
Driving Principle
Surge
input
eCathode
A
A+
Arc discharge occurring
eAnode
Cathode
Fig 1. Discharge mechanism
Anode
BSA can be applied to the power supply circuit and communication circuit.
Power supply
Applicable products
6842series
6842series
4532series
Telecommunication
Fig 2. Surge Absorber Application
4532series
modem
Applicable products
4532series
4532series
BSA is relatively very small.
M社 DA53
M社 DSA
About 10mm
S社 TSA
About 7mm
High
voltage
S社 HSA
Low
voltage BSA 4532 series
About 5mm
BSA 6842 series
About 7mm
BSA 4532 series
About 5mm
The advantages of BSA is constant shape and large surge current capacity.
Ceramic tube
Glass tube
Sealing
Sealing
Fig 3. Uniform shape description
Glass tube
Surge
Breakable
Arc discharge occurring
Ceramic tube
Surge
Fig 4. Excellent durability description
Non-Breakable
Arc discharge occurring
Cylinder type(Lead type)
D
D1
L1
4532
series
Square type(SMD type)
D
L
L
Dimension (mm)
Dimension (mm)
Division
Division
cylinder
L
L1
D
D1
4.5 ± 1.0
27.0 ± 3.0
3.2 ± 0.5
0.5 ± 0.05
6842
series
D
D1
L1
square
L
D
4.5 ± 1.0
3.2 ± 0.5
D
L
L
Dimension (mm)
Dimension (mm)
Division
cylinder
Division
L
L1
D
D1
6.8 ± 1.0
27.0 ± 3.0
4.2 ± 0.5
0.5 ± 0.05
square
L
D
6.8 ± 1.0
4.2 ± 0.5
4532series
Series
VDC Spark Over
-voltage[V]
Cylinduer type
dimension
shape
tolerance
VDC Level
Min[V]
Max[V]
BSA
4532
L
M
301
240
360
BSA
4532
L
M
501
400
600
BSA
4532
L
M
701
560
840
BSA
4532
L
M
102
800
1200
BSA
4532
L
M
152
1200
1800
BSA
4532
L
M
202
1600
2400
BSA
4532
L
M
302
2400
3600
4532series
Series
VDC Spark Over
-voltage[V]
Square type
dimension
shape
tolerance
VDC Level
Min[V]
Max[V]
BSA
4532
M
M
301
240
360
BSA
4532
M
M
501
400
600
BSA
4532
M
M
701
560
840
BSA
4532
M
M
102
800
1200
BSA
4532
M
M
152
1200
1800
BSA
4532
M
M
202
1600
2400
BSA
4532
M
M
302
2400
3600
6842series
Series
VDC Spark Over
-voltage[V]
Cylinduer type
dimension
shape
tolerance
VDC Level
Min[V]
Max[V]
BSA
6842
L
M
272
2160
3240
BSA
6842
L
M
302
2400
3600
BSA
6842
L
M
362
2880
4320
BSA
6842
L
M
452
3600
5400
6842series
Series
VDC Spark Over
-voltage[V]
Square type
dimension
shape
tolerance
VDC Level
Min[V]
Max[V]
BSA
6842
M
M
272
2160
3240
BSA
6842
M
M
302
2400
3600
BSA
6842
M
M
362
2880
4320
BSA
6842
M
M
452
3600
5400
Tolerance
[%]
Insulted resistance
IR(MΩ)
Measure Voltage
Capacitance
[pF]
Operating
Temp. Range[℃]
Ambient
Temp.[℃]
1.0 Max
-40 ~ 80
20
Capacitance
[pF]
Operating
Temp. Range[℃]
Ambient
Temp.[℃]
1.0 Max
-40 ~ 80
20
Capacitance
[pF]
Operating
Temp. Range[℃]
Ambient
Temp.[℃]
1.0 Max
-40 ~ 80
20
Capacitance
[pF]
Operating
Temp. Range[℃]
Ambient
Temp.[℃]
1.0 Max
-40 ~ 80
20
VDC 100
VDC 250
M:±20
Over 100
VDC 500
Tolerance
[%]
Insulted resistance
IR(MΩ)
Measure Voltage
VDC 100
VDC 250
M:±20
Over 100
VDC 500
Tolerance
[%]
M:±20
Insulted resistance
IR(MΩ)
Over 100
Measure Voltage
VDC 500
VDC 1000
Tolerance
[%]
M:±20
Insulted resistance
IR(MΩ)
Over 100
Measure Voltage
VDC 500
VDC 1000
BSA is Wide voltage range and wide range of application.
BSA
series
type
TSA
Spark-over
voltage(V)
Standard
type
500
4532 series
Cylinder
(Lead type)
UL497B
UL497B
1000
UL1449
600
1500
UL1414
HSA
type
3000
3000
UL1449
3600
UL1414
4500
500
Spark-over
voltage(V)
Standard
2700
2700
6842 series
400
700
2000
Square &
Cylinder
(Lead &
SMD)
Standard
300
300
Square &
Cylinder
(Lead &
SMD)
Spark-over
voltage(V)
Cylinder
(Lead type)
3000
UL1449
3600
UL1414
4500
Glass type surge absorber(This company)
BSA is high insulation resistance and Low capacitance
Capacitance
1
1.00
< 1pF
< 1pF
(pF)
Vs.
0.5
About
0.2pF
(pF)
0.50
About
0
0.4pF
0.00
0
5
10
(ea)
15
20
0
5
10
15
20
(ea)
BSA
HSA
Fig 5. Capacitance measure value
Insulation Resistance
60
60
40
About
40
50GΩ
Vs.
(GΩ) 20
About
50GΩ
(GΩ) 20
0
0
0
5
10
15
20
0
5
10
(ea)
(ea)
BSA
HSA
Fig 6. Insulation resistance measure value
15
20
BSA is very high surge current capacity.
(a)
Product name
HSA(Smart)
DA53(M社)
BSA
(4532series)
BSA
(6842series)
Surge capacity
about2kA
about3.6kA
about3.6kA
about5.6kA
Size(mm)
10.0*4.2
11.0*5.0
4.5*3.2
6.8*4.2
(b)
(c)
Fig 8. surge current capacity : (a) DA53, (b) BSA 6842series and (c) BSA surge test video