Electronic Components Datasheet Search
  English  ▼

X  

457 Datasheet(PDF) 1 Page - Littelfuse

Part # 457
Description  SURFACE MOUNT TELECOM PROTECTORS
PDF  2 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  LITTELFUSE [Littelfuse]
Direct Link  http://www.littelfuse.com
Logo LITTELFUSE - Littelfuse

457 Datasheet(HTML) 1 Page - Littelfuse

  457 Datasheet HTML 1Page - Littelfuse 457 Datasheet HTML 2Page - Littelfuse  
Zoom Inzoom in Zoom Outzoom out
 1 / 2 page
background image
050912
WebSite
Europe Tel: +49 2302 662-107
Americas Tel: +1 404 699-7820
Asia Tel: +852 26 14-1108
China Tel: +86 21 6432 5146
www.wickmanngroup.com E-mail: sales@wickmann.com
E-mail: service@wickmannusa.com
E-mail: sales@wickmann.com.hk
E-mail: sales@wickmann.cn
1,65
1,65
10 -0,5
Type (I)
100% x I
250% x I
500 mA ... 2.00 A
> 4 h
1 ... 120 s
SSSSSURFACE
URFACE
URFACE
URFACE
URFACE
M
M
M
M
MOUNT
OUNT
OUNT
OUNT
OUNT
TTTTTELECOM
ELECOM
ELECOM
ELECOM
ELECOM
PPPPPROTECTORS
ROTECTORS
ROTECTORS
ROTECTORS
ROTECTORS
Dimensions (mm)
Dimensions (mm)
Dimensions (mm)
Dimensions (mm)
Dimensions (mm)
Operating Conditions
Operating Conditions
Operating Conditions
Operating Conditions
Operating Conditions
Order
Order
Order
Order
Order
Qty.
Qty.
Qty.
Qty.
Qty.
Order-
Order-
Order-
Order-
Order-
Series
Series
Series
Series
Series
TTTTType Code
Packaging
ype Code
Packaging
ype Code
Packaging
ype Code
Packaging
ype Code
Packaging
Information
Information
Information
Information
Information
Number
Number
Number
Number
Number
457
TTTTTelecom T
elecom T
elecom T
elecom T
elecom Tube Protector
ube Protector
ube Protector
ube Protector
ube Protector
Overcurrent Protection for T
Overcurrent Protection for T
Overcurrent Protection for T
Overcurrent Protection for T
Overcurrent Protection for Telecom Equipment
elecom Equipment
elecom Equipment
elecom Equipment
elecom Equipment
TTTTTime-Current Characteristic
ime-Current Characteristic
ime-Current Characteristic
ime-Current Characteristic
ime-Current Characteristic
Transient Tolerant
Applicable Standards
Applicable Standards
Applicable Standards
Applicable Standards
Applicable Standards
UL-248-14
UL 60950 3rd Edition *
Telcordia GR-1089 *
FCC 47 CFR Part 68
Approvals
Approvals
Approvals
Approvals
Approvals
cULus Recognized
Features
Features
Features
Features
Features
Surge proof for telecom line applications
No need for series resistors (1.25A & 2.00A)
Reduced PCB space requirements
Lead-free construction
Flame resistant ceramic housing
Irreversible physical separation under fault
Highly defined cut-off times
Low internal resistance minimizes line losses
For Reflow Soldering or Soldering Iron
W
W
W
W
WebLinks
ebLinks
ebLinks
ebLinks
ebLinks
Further info see:
Further info see:
Further info see:
Further info see:
Further info see:
www.wickmanngroup.com
Further application info see fuseology:
Further application info see fuseology:
Further application info see fuseology:
Further application info see fuseology:
Further application info see fuseology:
www.wickmanngroup.com/download/
fuseology.pdf
No.
No.
No.
No.
No. 457 Lead Free
457 Lead Free
457 Lead Free
457 Lead Free
457 Lead Free
Pad Layout
Pad Layout
Pad Layout
Pad Layout
Pad Layout
Chip Size 10030
Specifications
Specifications
Specifications
Specifications
Specifications
Packaging
Packaging
Packaging
Packaging
Packaging
000: 2500 pcs./330mm reel (Blister Tape)
001: 500 pcs./178mm reel (Blister Tape)
Tape width 16mm
Materials
Materials
Materials
Materials
Materials
Housing:
Ceramic tube
Element:
Wire
Terminals: Copper, nickel & silver plated
Operating T
Operating T
Operating T
Operating T
Operating Temperature
emperature
emperature
emperature
emperature
-40 ºC to +125 ºC (consider de-rating)
Climatic T
Climatic T
Climatic T
Climatic T
Climatic Test
est
est
est
est
Damp heat, steady state
40 ºC/ 93%/ 21 days (IEC 60068-1,-2-1,-2-2,-2-78)
Stock Conditions
Stock Conditions
Stock Conditions
Stock Conditions
Stock Conditions
+10 ºC to +60 ºC
relative humidity ≤ 75 % yearly average,
without dew, maximum value for 30 days - 95 %
Recommended soldering
Recommended soldering
Recommended soldering
Recommended soldering
Recommended soldering
240 ºC, 30 s (Reflow)
Solderability
Solderability
Solderability
Solderability
Solderability
acc. to IEC 60068-2-58
235 °C, 2 s
Soldering Heat Resistance
Soldering Heat Resistance
Soldering Heat Resistance
Soldering Heat Resistance
Soldering Heat Resistance
260 ºC, 10 s (IEC 60068-2-58)
280 ºC, 5 s (IEC 60068-2-58)
Minimum Cross Section, Copper
Minimum Cross Section, Copper
Minimum Cross Section, Copper
Minimum Cross Section, Copper
Minimum Cross Section, Copper
Conducting path - 0.175 mm2
Path thickness - 0.035 mm
Mounting
Mounting
Mounting
Mounting
Mounting
Avoid circuit traces below the Fuse.
Fuse should not be enclosed in potting
materials.
Marking
Marking
Marking
Marking
Marking
Logo, Current Rating
Unit Weight
Unit Weight
Unit Weight
Unit Weight
Unit Weight
0.25 g (approx.)
Lightning Surge Specifications
Lightning Surge Specifications
Lightning Surge Specifications
Lightning Surge Specifications
Lightning Surge Specifications
Specifications are subject
to change without notice
Electrical Specifications
Electrical Specifications
Electrical Specifications
Electrical Specifications
Electrical Specifications
Surge Specification
Surge
Repetitions Waveform (
µsec.) Current (A)
Voltage (V)
Performance Requirement
FCC 47 Part 68
Logitudinal Type A
2
10x160
70A
1500
Fuse cannot open
FCC 47 Part 68
Metallic Type A
2
10x560
45A
800
Fuse cannot open
Telcordia GR-1089-CORE
First Level Lightning
50
10x1000
30A
1000
Fuse cannot open
FCC 47 Part 68
Longitudinal Type A
2
10x160
160
1500
Fuse cannot open
FCC 47 Part 68
Metallic Type A
2
10x560
115
800
Fuse cannot open
Telcordia GR-1089-CORE
First Level Lightning
50
10x1000
100
1.000
Fuse cannot open
Telcordia GR-1089-CORE
First Level Lighting
50
2x10
500
2.500
Fuse cannot open
0500 tested
0500 tested
0500 tested
0500 tested
0500 tested
1250 and 1251 tested
1250 and 1251 tested
1250 and 1251 tested
1250 and 1251 tested
1250 and 1251 tested
Type Code
Current
Voltage Rating
Interrupting Rating
Voltage Drop
Cold Resistance
Melting Integral
Approvals
AC
250VAC
600VAC
1.0 x I
N
0.1 x I
N
10 x I
N
50/60 Hz
cosϕ=1
max. (mV)
max. (m
Ω)
typ. (A2s)
0500
500mA
250V
50A
60A
450
640
2
•
1250
1.25A
250V
50A
60A
250
150
16
•
1251
2.00A
250V
50A
60A
375
115
18
•
UL 60950 3rd Edition *
Telcordia1089 (2ndLevel)*
Type
Test M1
Test M2
Test M3
Test M3
Test 1
Test 2
Test 3
Test 4
Code
600V/1.5s
600V/5s
600V/30min
Max. ∆∆∆∆∆ T (ºC)
277V/15min
600V/5s
600V/5s
600V/15min
AC Power Fault Ratings •
AC Power Fault Ratings •
AC Power Fault Ratings •
AC Power Fault Ratings •
AC Power Fault Ratings • Permissible continuous operating current is
Permissible continuous operating current is
Permissible continuous operating current is
Permissible continuous operating current is
Permissible continuous operating current is ≤≤≤≤≤ 80
80
80
80
80 % at ambient
% at ambient
% at ambient
% at ambient
% at ambient temperature of 23
temperature of 23
temperature of 23
temperature of 23
temperature of 23 ºC
ºC
ºC
ºC
ºC (73.4
(73.4
(73.4
(73.4
(73.4 ºF)
ºF)
ºF)
ºF)
ºF)
0500
40A
7A
2.2A
--
25A
60A
7A
2.2A
1250
40A
7A
2.2A
120
25A
60A
7A
2.2A
1251
40A
7A
2.2A
50
25A
60A
7A
2.2A
* UL60950 3rd edition
* UL60950 3rd edition
* UL60950 3rd edition
* UL60950 3rd edition
* UL60950 3rd edition aaaaand T
nd T
nd T
nd T
nd Telcordia 1089 (2nd Level)
elcordia 1089 (2nd Level)
elcordia 1089 (2nd Level)
elcordia 1089 (2nd Level)
elcordia 1089 (2nd Level) are device standards, which require a testing of the complete device.
are device standards, which require a testing of the complete device.
are device standards, which require a testing of the complete device.
are device standards, which require a testing of the complete device.
are device standards, which require a testing of the complete device.
This product is not recommended
for new designs. Please refer to
Littelfuse No. 461.


Similar Part No. - 457

ManufacturerPart #DatasheetDescription
logo
Keystone Electronics Co...
457 KEYSTONE-457 Datasheet
282Kb / 1P
SPACERS & STANDOFFS
31-07 20th
logo
Walther-Werke
457 WALTHER-457 Datasheet
958Kb / 2P
Sockets IP 44
logo
Mitutoyo America Corpor...
457-450 MITUTOYO-457-450 Datasheet
88Kb / 1P
STANDS & WORKHOLDINGS
logo
List of Unclassifed Man...
457-510 ETC2-457-510 Datasheet
37Kb / 1P
T-1(3mm) T-1 3/4(5mm) MOLDED LED MOUNT
457-530 ETC2-457-530 Datasheet
37Kb / 1P
T-1(3mm) T-1 3/4(5mm) MOLDED LED MOUNT
More results

Similar Description - 457

ManufacturerPart #DatasheetDescription
logo
Bel Fuse Inc.
S553-0013-04 BEL-S553-0013-04 Datasheet
69Kb / 1P
SURFACE MOUNT T1 CARRIER INTERFACE TRANSFORMERS T1/CEPT Telecom Line Interface Applications
logo
Schurter Inc.
OSU125 SCHURTER-OSU125 Datasheet
401Kb / 2P
Surface Mount Fuse, 7.4 x 3.1 mm, Quick-Acting F, Telecom
OSU250 SCHURTER-OSU250 Datasheet
451Kb / 3P
Surface Mount Fuse, 11 x 4.6 mm, Quick-Acting F, Telecom
TF600 SCHURTER-TF600 Datasheet
1Mb / 4P
Surface Mount Fuse, 10.1 x 3.22 mm, Time-Lag T, Telecom
logo
Datatronic Distribution...
SM501-1 DATATRONICS-SM501-1 Datasheet
56Kb / 1P
SURFACE MOUNT TELECOM TRANSFORMER SM501-1
logo
Schurter Inc.
OSU250 SCHURTER-OSU250_16 Datasheet
246Kb / 3P
Surface Mount Fuse, 11 x 4.6 mm, Quick-Acting F, Telecom
logo
Bourns Electronic Solut...
SF-3812TM-T BOURNS-SF-3812TM-T Datasheet
500Kb / 9P
SinglFuse Telefuse Telecom Protectors
logo
Schurter Inc.
OSU125 SCHURTER-OSU125_V01 Datasheet
216Kb / 2P
Surface Mount Fuse, 7.4 x 3.1 mm, Quick-Acting F, Telecom
OSU250 SCHURTER-OSU250_V01 Datasheet
249Kb / 3P
Surface Mount Fuse, 11 x 4.6 mm, Quick-Acting F, Telecom
TF600 SCHURTER-TF600_V01 Datasheet
1Mb / 4P
Surface Mount Fuse, 10.1 x 3.22 mm, Time-Lag T, Telecom
21.11.2013
More results


Html Pages

1 2


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com