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參數(shù)資料
| 型號： | 18A |
| 廠商： | Littelfuse, Inc. |
| 英文描述： | GIGABASE 350 CAT5E PATCH 25 FT, SNAGLESS, PINK |
| 中文描述： | 18A/18B系列盆栽氣體等離子體放電管 |
| 文件頁數(shù)： | 1/1頁 |
| 文件大?。?/td> | 80K |
| 代理商： | 18A |
8
G
T
Gas Discharge Tubes
335
www.littelfuse.com
LITTELFUSE 3 TERMINAL POTTED ARRESTERS, 18A, 18B,
CONFORMS TO BT SPECIFICATION D2982B TOTALLY
NON-RADIOACTIVE, UL RECOGNIZED
(1) Measured using a rate of rise of voltage of 100V/s.
(2) Measured using a rate of rise of voltage of 1KV/μsec.
(3) Measured at 1 sec duration, 5 shots @ 3 min intervals, 50Hz.
(4) Measured using 8/20μsec, 5 shots each polarity.
(5) Measured at ±170V dc (18A) or ±350V dc (18B).
(6) Measured at 1 MHz, Line to ground.
(7) Measured using BT test circuit.
ORDERING
INFORMATION
PROTECTOR 18A
PROTECTOR 18B
All dimensions in mm
Features
Conforms to BT specifications D2982B
Hermetically sealed eclosure for use in underground
joints and pole tops.
Flying leads for easy connection to IDC or screw
terminals.
High surge capability
Conforms to BT specification D2982B
Flame retardent materials to UL 94V0
18A/18B Series Potted Gas Plasma Arresters
Modified Protector
3 ELECTRODE GDT
a=TIP
b=RING
e=GROUND
(centre electrode)
GRAPHICAL SYMBOL
a
b
e
Max
Impulse
Alternating
Discharge
Current
3
(A)
Impulse
Discharge
Current
4
(kA)
Electrical
Characteristics Sparkover
1
Sparkover
2
DC
Insulation
Resistance
5
Capacitance
6
Holdover
7
(
)
(pF)
Max
(V)
(V)
(V)
18A
210-310
800
5
5
1x10
8
30
100
18B
400-500
1000
5
5
1x10
8
30
100
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