OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

04611.25EER

P1-P3P4-P4
89
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Surface Mount Fuses
461E Series
Surge Resistant > 461E Series Enhanced TeleLink
®
Fuse
Please refer to www.littelfuse.com/series/461E.html for current information.
461E Series
461E Series Enhanced TeleLink
®
Fuse
Description
Agency Approvals
Electrical Characteristics for Series
Features
t 4VSGBDF.PVOU4VSHF
3FTJTUBOU4MP#MP
®
Fuse.
t .FFUT6-&/*&$
SE&EJUJPO1PXFS'BVMU
3FRVJSFNFOUTTUBOE
BMPOF
t %FTJHOFEGPSDPNQMJBODF
XJUI5FMDPSEJB(3oo
$03&BOE5*"oo"
GPSNFSMZ'$$1BSU
4VSHF4QFDJåDBUJPOT
t %FTJHOFEUPTFSWF
UIFSFRVJSFNFOUT
PGBXJEFSBOHFPG
UFMFDPNNVOJDBUJPOBOE
OFUXPSLJOHFRVJQNFOU
t 1SPWJEFT(3o
DPNQMJBOUPWFSDVSSFOU
QSPUFDUJPOXJUI-JUUFMGVTF
4*%"$UPS
®
574PS(%5
XJUIPVUUIFOFFEPGBOZ
BEEJUJPOBMSFTJTUBODF
t 1SPEVDUJT3P)4
DPNQMJBOUBOE
DPNQBUJCMFXJUIMFBE
GSFFTPMEFSTBOEIJHIFS
UFNQFSBUVSFQSPåMFT
AGENCY AGENCY FILE NUMBER AMPERE RANGE
E10480 1.25 A
% of Ampere
Rating
Opening Time
 )PVST.JOJNVN
" 4FDPOET.BYJNVN

4FDPOE.JOJNVN
4FDPOET.BYJNVN
5IF-JUUFMGVTF&4FSJFT&OIBODFE5FMF-JOL
®
4VSGBDF
.PVOU4VSHFo5PMFSBOU'VTFJTUIFOFYUHFOFSBUJPOPG
UIFQPQVMBS5FMFMJOL
®
'VTF8JUIPQUJNJ[FEPQFOJOH
UJNFTBUDFSUBJOPWFSMPBEDPOEJUJPOTUIJTFOIBODFE
5FMF-JOL
®
'VTFXPSLTJOIBSNPOZXJUI-JUUFMGVTFTOFX
4*%"$UPS
®
5SBOTJFOU7PMUBHF4VQQSFTTPSQSPEVDUTJOUIF
2'/QBDLBHF5IJTDPNCJOBUJPOQSPWJEFTBDPNQMJBOU
TPMVUJPOGPSTUBOEBSETBOESFDPNNFOEBUJPOTTVDIBT
(3oo$PSF5*"oo"6-&/*&$BOE*56
,5IFDPPSEJOBUJPOSFRVJSFNFOUDPOUBJOFEJO
(3oo$PSFBOE*56,NBZSFRVJSFBTFSJFT
JNQFEBODFEFWJDF
Applications
t 5&+BOE)%4-
t 4-*$JOUFSGBDFQPSUJPOPG'JCFSUPUIF$VSC'55$BOE
'JCFSUPUIF1SFNJTFT'551
t /PO'JCFS4-*$JOUFSGBDFGPS$FOUSBM0GåDF$0
MPDBUJPOTBOE3FNPUF5FSNJOBMT35
t Y%4-BQQMJDBUJPOTTVDIBT"%4-"%4-7%4-BOE
7%4-
t &UIFSOFU#BTF5
t 1054BQQMJDBUJPOTTVDIBTNPEFNTBOTXFSJOH
NBDIJOFTUFMFQIPOFTGBYNBDIJOFTBOETFDVSJUZ
TZTUFNT
t *4%/i6wJOUFSGBDF
t #BZTUBUJPO5&+5%4USVOLDBSET
Telecom Nano
2
Fuse Temperature Reading
& ¡$¡'
Maximum Temperature Rise
Higher Currents and PCB layout designs can affect this parameter.
Readings are measured at rated current after temperature stabilizes.
Revised: May 11, 2010
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
90
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Surface Mount Fuses
461E Series
Surge Resistant > 461E Series Enhanced TeleLink
®
Fuse
Please refer to www.littelfuse.com/series/461E.html for current information.
Electrical Specications by Item
Ampere
Rating
(A)
Amp Code
Max
Voltage
Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I
2
t (A
2
sec)
Agency Approvals
   BNQFSFT!7"$   Y
GR 1089 Inter-Building Requirements
GR 1089 1st level lighting surge inter-building
(Equipment under test can not be damaged and must
continue to operate properly)
Surge
Minimum
Peak
Voltage
(V)
Minimum
Peak
Current
(A)
Max.
Rise/Min.
Decay
(μs)
Repetitions
Each
Polarity
   
2    
3    
4   
  
GR 1089 2nd level lightning surge telecom port
(Equipment under test shall not become a re or
electrical safety hazard)
Surge
Minimum
Peak
Voltage
(V)
Minimum
Peak
Current (A)
Max.
Rise/Min.
Decay
(μs)
Repe-
titions
Each
Polarity
  
"MUFS
OBUJWF
  
5IFXJMMOPUPQFOUIVTQSPWJEJOHPQFSBUJPOBMDPNQMJBODF
Average Time Current Curves
10001001010.1
0.001
0.01
0.1
1
10
100
CURRENT IN AMPERES
TIME IN SECONDS
1.25A
Temperature Rerating Curve
*
2
UJTDBMDVMBUFEBUNTFDPSMFTT*
2
UBUUJNFTSBUFEDVSSFOUIBTBUZQJDBMWBMVFPG"
2
TFD"
3FTJTUBODFJTNFBTVSFEBUSBUFEDVSSFOU
/PUF
 %FSBUJOHEFQJDUFEJOUIJTDVSWFJTJOBEEJUJPOUPUIFTUBOEBSEEFSBUJOHPGGPS
DPOUJOVPVTPQFSBUJPO
91
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Surface Mount Fuses
461E Series
Surge Resistant > 461E Series Enhanced TeleLink
®
Fuse
Please refer to www.littelfuse.com/series/461E.html for current information.
461E Series
GR 1089 AC power fault 1st level inter-building (fuse
not allowed to open)
GR 1089 AC power fault 2nd level (fuse can open but
must open in a safe and controlled manner)
Test Vrms
Short
Circuit
Current (A)
Hits Duration
Primary
Protector
  NJO SFNPWFE
2   NJO SFNPWFE
3   TFD SFNPWFE
4   TFD PQFSBUJWF
%JBHSBN %JBHSBN  TFD SFNPWFE
  TFD SFNPWFE
 2.2 TFD SFNPWFE
 3 TFD SFNPWFE
 TFD JOQMBDF
Test
Circuit
Vrms
Short
Circuit
Current
(A)
Duration
  NJO
2   TFD
3  TFD
4  2.2 NJO
%JBHSBN %JBHSBN NJO
Fuse must open before wiring simulator fuse (MDL 2.0).
Surge Voltage (V) Waveform (μs) Current (A) Reps
.FUBMMJD"  Y  FBQPMBSJUZ
-POHJUVEJOBM"  Y  FBQPMBSJUZ
.FUBMMJD#  Y  FBQPMBSJUZ
-POHJUVEJOBM#  Y  FBQPMBSJUZ
TIA –968-A (formerly FCC Part 68) Surge Waveforms (fuse can not open during type B events)
UL 60950 requirements
UL60950 (EN 60950) (formerly UL 1950) Power Cross
(L = longitudinal, M = metallic)
Test
Number
Voltage (V) Current (A) Time
-   TFD
-  TFD
-  2.2 NJO
-  2.2 NJO
-   NJO
.   TFD
.  TFD
.  2.2 NJO
.  2.2 NJO
4election of test number depends on current limiting F re enclosure/spacing of end product
t "8(MJOFDPSESFNPWFT-.UFTUSFRVJSFNFOU
t -DPOEVDUFEPOMZJGQSPEVDUEPFTOPUQBTTTFDUJPO
t -.-.-.DPOEVDUFEJGOPUJOBåSFFODMPTVSF
Fuse must open before the wiring simulator fuse (MDL 2.0).
UL60950 (EN 60950) (formerly UL 1950) Impulse Test and Steady-State Electric Strength Test
Test Voltage (V) Current (A) Waveform Repetitions
Impulse
'PSIBOEIFMEVOJUT   YNT X4FDSFTU
/POIBOEIFME   YNT X4FDSFTU
Steady-State
'PSIBOEIFMEVOJUT  )[
/POIBOEIFME  )[
'PSUIFUZQF"FWFOUTUIFGVTFXJMMOPUPQFOQSPWJEJOHGPSPQFSBUJPOBMDPNQMJBODFXJUI5*""UZQF"TVSHFFWFOUT
L
F
1.25A
3.12
(.123")
3.12
(.123")
10.10
(.397")
3.25
(.128")
3.43
(.135")
12.6
(.496")
6.10
(.240")
Recommended Pad Layout
1.70 typ
(.067")
Dimensions
P1-P3P4-P4

04611.25EER

Mfr. #:
Buy 04611.25EER
Manufacturer:
Littelfuse
Description:
Fuse Chip Slow Blow Acting 1.25A 600V SMD Solder Pad 10.1 X 3.12mm Ceramic T/R CSA
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet