SPSEMI C8M35R Gas discharge tube c8m sery Datasheet

SPSEMI
GDT/C8M Series
Gas Discharge Tube
C8M Series
Features
Electronic stability
Small volume, easy to placement machine operation
Large flow capacity, impact resistant ability
Static electricity capacity, good insulation
Reaction speed is 50 ns - 150 ns
Applications
ADSL MODEM、FAX、TELEPHONE
RS485、RS232、CAN level of protection
CATV
Power supply prevents thunder common-mode protection
Marking Code
Logo
C8M09R
Marking Code
Logo
C8M09
Marking Code
Without Wire
With Wire
Product Name
C8 M 09 R X
Internal Code(Default)
R: With Lead
Default: No Lead
Nom. DC spark-over
voltage Vs
09:90V
15:150V
47:470V
150:1500V
Electrical Characteristics
K: 3KA
L: 5KA
M:10KA
H: 20KA
B5: 2R/5*5mm
B8: 2R/8*6mm
C6: 3R/6*8mm
C7: 3R/7*11.5mm
C8: 3R/8*10mm
REV . 2017 . 04 . 06
www.spsemi.cn
Page 1 of 3
SPSEMI
GDT/C8M Series
Dimensions
10±0 . 3
15±0.5
Φ8±0 . 2
5±1
Φ7 . 2
Φ1±0 . 1
4.4±0 . 3
4.4±0 . 3
Dimensions in millimeters
Electrical Characteristics
Part Number
Nom.
Nom.
Nom.
DC
Impulse
Alternating
Impulse
Impulse
Spark-over Spark-over
Discharge Discharge Discharge
Voltage
Voltage
Current
Current
Current
(@100V/s) (@1KV/μs)
(@50HZ)
(@8/20μs)
(@8/20μs)
(V)
(V)
(A)
(KA)
(KA)
Insulation
Resistance Capacitance
(pF)
(@DC)
(GΩ)
(V)
With
Wire
Without
Wire
C8M07R
C8M07
75±20 %
≦600
5×2
10
10
>1
25
<1
C8M09R
C8M09
90±20 %
≦600
5×2
10
10
>1
50
<1
C8M15R
C8M15
150±20 %
≦650
5×2
10
10
>1
50
<1
C8M23R
C8M23
230±20 %
≦650
5×2
10
10
>1
100
<1
C8M35R
C8M35
350±20 %
≦700
5×2
10
10
>1
100
<1
C8M47R
C8M47
470±20 %
≦750
5×2
10
10
>1
250
<1
C8M60R
C8M60
600±20 %
≦950
5×2
10
10
>1
250
<1
Packaging Speci Cations
Packaging:100 pieces bulk
Initial Characteristics
Test Item
Test Method
Specification
DC-Spark-Over Voltage
Vs
Add and measure the DC Voltage gradually
Maxto get the discharge threshold voltage.
The measuring current is 1mA/1 second max.(1sec ) .(1mA)
It depands on each spec.
Insulation
Resistance
Measure the insulation resistance of two end of
leadwire under the specified DC voltage.
100MΩ min.
Capacitance C(pF)
Electrostatic Capacitance under the test condition
of 1KHz,DC 6V(max).
0.8pF max.
REV . 2017 . 04 . 06
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SPSEMI
GDT/C8M Series
Surge Characteristics
Test Item
Test Method
Specification
Surge withstand capability
In the glass tube ends in 8/20 us surge tester, applying the model that
corresponds to the impact resistance current, time interval for the
60 s of plus or minus the test 5 times. Test the dc voltage,
insulation resistance, static capacitance and check the appearance.
DC spark-over voltage
JSE: △ Vs/Vs ≦ 30%
Surge life test
Apply 10KV voltage charged in 1500pF condenser and
apply the current to the specimen,200 times at 10
seconds of intervals.
Within standard mentioned in
Initial Characteristics.
Enviromental Characteristics
Test Item
Test Method
Specification
Cold resistance
After -40±3℃
(1000hrs) / room temp.,normal humidity(4 hrs)
cycle, measure the properties.
Within standard mentioned in
Initial Characteristics.
Heat resistance
After 125±2℃
(1000hrs) / room temp.,normal humidity(4 hrs)
cycle, measure the properties.
Within standard mentioned in
Initial Characteristics.
Temperature resistance
After 85±2℃
RH85%(1000hrs) / room temp.,normal humidity(4
hrs) cycle, measure the properties.
Within standard mentioned in
Initial Characteristics.
Temperature period
25 times repetition of cycle -40±3℃
(30 Min.),roon temp., (4 Min.), 125±2 ℃ (30Min.),
room temp., normal humidity(4hrs) .
Within standard mentioned in
Initial Characteristics.
Tensile strength
Apply 2.5kgs load approximately 30 seconds, then check
for pull-out and breaking of the lead wire.
Within standard mentioned in
Initial Characteristics.
Bending strength
Bend the lead wire, with jig which radius is 0.75~0.8mm, at the point
of 2mm from the body, under 0.25 kgs load applied at the right angle
the direction of theamis and get the bent lead wire back to its
original poing after the procedure was repeated 2times.
Within standard mentioned in
Initial Characteristics.
Resistance to soldering
attachment
( by solder dip )
Apply flux and immerse in molten solder, up to the point of
3mm from the body,for 5 sec. (235 ±5 ). Wash
the leadwire and check for soldering adhesion.
Lead wire is evenly covered by
solder over 90%.
Resistance to soldering
heat
( by solder dip )
Apply flux and immerse in molten solder, up to the point of 3mm
from the body,for 5 sec. (235 ℃ ±5 ℃ ). Wash the leadwire
and check forsoldering adhesion.)
Within standard mentioned in
Initial Characteristics.
REV . 2017 . 04 . 06
www.spsemi.cn
Page 3 of 3
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