ShenZhen
HuaXinAn Electronics Co.,Ltd
3-Electrode Gas Discharge Tubes
1：Dimension(mm)
(Ø8x10mm)
20KA
Fast Delivery Time
3R-90
Photo
2:Main Applications
•PCI Cards protection
•Telephone/Fax/Modem protection
•single line protection
•ADSL/XDSL Splitter,Power Supply
•Surge Protection Device/Surge Protector
4 Electrical Characteristics
DC
Spark-over
Voltage
@ 100V/S
V
3R-75
3R-90
3R-150
3R-230
3R-250
3R-300
3R-350
3R-400
3R-420
3R-470
3R-500
3R-600
3R-800
75±20%
90±20%
150±20%
230±20%
250±20%
300±20%
350±20%
400±20%
420±20%
470±20%
500±20%
600±20%
800±20%
Impulse
Spark-over
Voltage
@100V/
μs
V
<500
<500
<500
<600
<600
<800
<900
<900
<900
<1100
<1100
<1200
<1300
Impulse
Spark-over
Voltage
@1KV/
μs
V
<600
<600
<600
<700
<700
≤ 900
≤ 1000
≤ 1000
≤ 1000
≤ 1200
≤ 1200
≤ 1300
≤ 1400
3:Features
•
100% Lead-Free(
RoHs Compliant )
•Non-Radioactive
•Low capacitance (≤1pF)
•Fast Response-time,High Insulation Resistance.
•Small size :Ø8x10(mm)
Insulation
Resistance
Impulse discharge
current(
8/20
μs
)
AC discharge
current
(50Hz,1s,10ti
mes)
Part Number
Capacitan
ce
(1MHz)
PF
≤1
≤1
≤1
≤1
≤1
≤1
≤1
≤1
≤1
≤1
≤1
≤1
≤1
GΩ
>1
>1
>1
>1
>1
>1
>1
>1
>1
>1
>1
>1
>1
10 Times
1 Time
25KA
25KA
25KA
25KA
25KA
25KA
25KA
25KA
25KA
25KA
25KA
25KA
25KA
A
20
20
20
20
20
20
20
20
20
20
20
20
20
20KA
20KA
20KA
20KA
20KA
20KA
20KA
20KA
20KA
20KA
20KA
20KA
20KA
1
Revised:February 25,2014
www.huaandz.com
Table continues on next page
ShenZhen
HuaXinAn Electronics Co.,Ltd
continued
1：Dimension(mm)
continued
(Ø8x10mm)
20KA
With Fail-safe
2 Electrical Characteristics
DC
Spark-over
Voltage
@ 100V/S
V
75±20%
90±20%
150±20%
230±20%
250±20%
300±20%
350±20%
400±20%
420±20%
470±20%
500±20%
600±20%
800±20%
Impulse
Spark-over
Voltage
@100V/
μs
V
<500
<500
<500
<600
<600
<800
<900
<900
<900
<1100
<1100
<1200
<1300
Impulse
Spark-over
Voltage
@1KV/
μs
V
<600
<600
<600
<700
<700
≤ 900
≤ 1000
≤ 1000
≤ 1000
≤ 1200
≤ 1200
≤ 1300
≤ 1400
GΩ
>1
>1
>1
>1
>1
>1
>1
>1
>1
>1
>1
>1
>1
Insulation
Resistance
3R250DF
Impulse discharge
current(
8/20
μs
)
Photo
AC discharge
current
(50Hz,1s,10ti
mes)
Part Number
With Fail-safe
3R75DF
3R90DF
3R150DF
3R230DF
3R250DF
3R300DF
3R350DF
3R400DF
3R420DF
3R470DF
3R500DF
3R600DF
3R800DF
Capacitan
ce
(1MHz)
PF
≤1
≤1
≤1
≤1
≤1
≤1
≤1
≤1
≤1
≤1
≤1
≤1
≤1
10 Times
1 Time
25KA
25KA
25KA
25KA
25KA
25KA
25KA
25KA
25KA
25KA
25KA
25KA
25KA
A
20
20
20
20
20
20
20
20
20
20
20
20
20
20KA
20KA
20KA
20KA
20KA
20KA
20KA
20KA
20KA
20KA
20KA
20KA
20KA
Packing Quantity : 100PCS
Shen Zhen HuaXinAn Electronics Co.,Ltd
Revised:February 25,2014
sales@huaandz.com
abc0734@126.com
Tel:+86-755-27465585
2
www.huaandz.com
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