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Электронный компонент: 70C00000Z

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21
Consult Littelfuse web site for more information
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E l e c t r o n i c O v e r c u r r e n t P r o t e c t i o n
20
Consult Littelfuse web site for more information
w w w . l i t t e l f u s e . c o m
Ordering Information
10 Minute
Catalog
System
Color
Rating
Number
Number
Code
100mA
70P
70P00000Z
Grey/White
150mA
70R
70R00000Z
Red/White
180mA
70E
70E00000Z
Yellow
200mA
70X
70X00000Z
Black
250mA
70F
70F00000Z
Violet
250mA
70K
70K00000Z
Violet/White
350mA
70S
70S00000Z
Gray
500mA
70G
70G00000Z
Red
750mA
70H
70H00000Z
Brown
1.33A
70A
70A00000Z
White
2A
70B
70B00000Z
Orange
3A
70C
70C00000Z
Blue
3.5A
70J
70J00000Z
Black/White
5A
70D
70D00000Z
Green/Black
8A
70M
70M00000Z
Tan/White
10A
70N
70N00000Z
Yellow/Purple
The 70 Series alarm indicating fuses are
designed for use in telecommunications
equipment. A color-coded tip provides
visual identification of the ampere rating
and the fuse status.
Features
Color coded tip
Rated 125 VAC, 300 VDC
Specifications
Approvals:
UL Recognized
Interrupting Ratings:
1000 amperes @ 125 VAC
1000 amperes @ 300 VDC
E l e c t r o n i c O v e r c u r r e n t P r o t e c t i o n
Alarm Indicating Fuse
70 Series
Specifications
Approvals:
UL Recognized, CSA Certified
Short Circuit Capabilities
(UL 1459/UL 1950 3rd ed.)
40 amperes @ 600 VAC
7 amperes @ 600 VAC
2.2 amperes @ 600 VAC
Interrupting Ratings:
50 amperes @ 250 VAC
Materials:
Body:
Ceramic
Terminators:
Silver-plated brass caps
Ordering Information
Nominal
Nominal
Catalog
Ampere
Voltage
Resistance
Melting I
2
t
Number
Rating
Rating
(Cold
)
(A
2
Sec.)
0461 .500
1/2
250
.56
.84
0461 1.25
1-1/4
250
.110
16.5
4
4
I
2
t is calculated at 10 msec or less. I
2
t at 10 times rated current has a typical value of 22 A
2
sec (1.25A).
Features
Surface mount overcurrent protection
from lightning and power cross
Meets UL1459/1950 power cross
requirements stand alone
Ideal for use in telecommunications
equipment including modems,
fax machines, desktop phones,
answering machines and line cards
Complies with Bellcore GR-1089-CORE
and FCC 47 Part 68 surge specifications
Telecom Surface Mount Fuse
NANO
2
461 Series
Electrical Specifications
% of Ampere
Opening Time
Rating
Minimum / Maximum
100
4 hrs. / --
250
1 sec. /120 sec.
L
F
1.25A
T
3.43
(.135")
3.25
(.128")
3.12
(.123")
3.12
(.123")
10.10
(.397")
6.10
(.240")
12.6
(.496")
Dimensions
Environmental/Lightning Surge Requirements
Source
Duration/
Surge
Repetitions
Rating
Standard/
Voltage
Wave Form
Current
(Each
for Compliance
Test
(Vpk)
(Sec.)
(A)
Polarity)
Stand Alone
3
GR-1089 1
st
Level
600
10 x 1000
100
25
1.25A
1000
10 x 360
100
25
1.25A
1000
10 x 1000
100
25
1.25A
2500
2 x 10
500
10
1.25A
1000
10 x 360
25
5
0.5, 1.25A
GR-1089 2
nd
Level
5000
2 x 10
500
1
1.25A
FCC 47 Part 68
800
10 x 560
100
1
1.25A
Type A Metallic
FCC 47 Part 68
1500
10 x 160
200
1
1.25A
Type A Longitudinal
FCC 47 Part 68
1000
voltage 9 x 720
25
1
0.5, 1.25A
Type B Metallic
current 5 x 320
FCC 47 Part 68
1500
voltage 9 x 720
37.5
1
0.5, 1.25A
Type B Longitudinal
current 5 x 320
3
Additional series resistance used in conjunction with the fuse may allow compliance by fuse ratings not listed.
Overvoltage/AC Power Fault (Power Cross) Requirements:
The most severe tests are listed, Telecom Nano
2
will pass lower level test as well.
Source
Surge
Rating
Standard/
Voltage
Current
for Compliance
Test
(VAC)
(A)
Duration
Stand Alone
2
GR-1089
1000
5
0.5 sec.
1.25A
GR-1089
600
60
1
5 sec.
1.25A
UL 1950 3
rd
Edition
600
40
1.5 sec.
0.5, 1.25A
GR-1089
600
7
5 sec.
0.5, 1.25A
UL 1950 3
rd
Edition
GR-1809
100-600
2.2
30 min.
0.5, 1.25A
UL 1950 3
rd
Edition
GR-1809
277
25
15 min.
0.5, 1.25A
UL 1950 3
rd
Edition
120
25
30 min.
0.5, 1.25A
1
The 1.25 rating is designed to enable equipment compliance with GR-1089. Application testing is strongly
recommended as actual application and compliance testing will produce random closing angle surge conditions.
Actual circuit resistance may enhance equipment performance under surge conditions.
2
See UL 1950 for test procedures for fuses and testing at 135%.