R38-900-BOL Datasheet, PDF (1/1 Pages) Okaya Electric America, Inc. – SURGE PROTECTIVE DEVICES

R38 SERIES
SURGE PROTECTIVE DEVICES
Features
● Quick response for surge.
● High impulse current capacity.
● It can withstand alternating current.
● Excellent insulation resistance and small capacitance.
● Recommendation of ITU-T conformity.
Applications
● Telephone, PBX, Wireless base station, Optical
transmission equipments, CATV transmission
equipments, Fire alarm systems and Home
security systems. RoHS restriction complied.
Safety Standard
UL
:UL497B
File No.
E139599
● Dimensions
15 max.
10.0±0.3
φ 8±0.25
● Impulse Absorption Characteristics
10/200μs, 20,000V Surge Wave form
4.4±0.4
φ
1.0
+0.2
-0.1
4.4±0.4
Unit: mm
R28-900-BHL Break down Voltage
900V
10μs/div
● Model numbering system
R38 351 B O L
DC sparkover
Voltage
351 ^{35X10¹=350V}
Series Name
Type of taping
R28 ^{2 electrode arrester}
R38 ^{3 electrode arrester}
B ^Bulk
Type of wire
L ^{With lead}
None ^{Without lead}
Length _{H 5.7mm}
J ^6.05mm
K ^7.5mm
O ^10.0mm
1.2/50μs, 20,000V Surge Wave form
R28-231-BHL Break down Voltage
700V
1.0μs/div
Electrical Specifications
(Conforms to ITU-T)
Safety
Standard
Model Number
R38-900-BOL
R38-231-BOL
R38-251-BOL
R38-351-BOL
R38-421-BOL
R38-601-BOL
DC Sparkover
Voltage
100V/s ~ 2,000V/s
(V) ±20%
90
230
250
350
420
600
Impulse
Sparkover
Voltage
100V/μs (V)
450
600
750
900
1,300
Impulse
Discharge
Current
8/20μs (A)
Alternating
Discharge Current
50Hz, 1s
10 times (A)
Impulse
Life Test
10/1,000μs
100A (times)
Insulation
Resistance
min. (MΩ)
Capacitance
max. (pF)
10,000
10
300
10⁴
1.5
130