04611.25ERT Datasheet, PDF (1/3 Pages) Littelfuse – Telecom NANO2®Fuse and Teccor TeleLink® Fuse

Surface Mount Fuses
Miniature Surface Mount
RoHS _{Telecom NANO}^2® _{Fuse 461 Series and Teccor TeleLink}^® _Fuse ® ^®
• Surface mount surge resistant Slo-Blo^® fuse.
• Meets UL 60950 3rd Edition power cross requirements stand
alone.
• Designed to allow compliance with Telcordia GR-1089-CORE
and TIA-968-A (formerly FCC Part 68) Surge Specifications.
• Provides coordinated protection with Littelfuse SIDACtor^®
Protection Thyristors without series resistors.
• Ideal for use in telecommunication equipment including line
cards, modems, fax machines, phones, answering machines,
caller ID devices and other products connected to phone
network.
• 2A rating has improved temperature rise performance under
2.2A surge current testing when compared with 1.25A rating.
• Product is RoHS Compliant and compatible with lead-free
solders and higher temperature profiles when ordered with
Standard Silver Plated Brass Caps.
• Standard product is RoHS Compliant and compatible with
lead-free solders and higher temperature profiles.
AGENCY APPROVALS: Recognized under the Components
Program of Underwriters Laboratories and Certified by CSA.
Littelfuse:
UL E10480
CSA LR29862
Teccor:
UL E191008
CSA LR702828
Reference Dimensions:
10.10
(.397")
L^F 1.25A ^T
3.12
(.123")
3.25
(.128")
6.10
(.240")
3.43
(.135")
3.12
(.123")
1.70 typ
(.067")
12.6
(.496")
Recommended Pad Layout
PHYSICAL SPECIFICATIONS:
Materials: Body: Ceramic
RoHS Compliant Terminations: Silver Plated Brass Caps
Terminations: Tin-Lead Alloy also available, add suffix, T. ¹⁰⁰
Soldering Parameters:
Reflow Solder — 230°C, 30 seconds maximum.
Wave Solder — 260°C, 3 seconds maximum.
PACKAGING SPECIFICATIONS: 24mm Tape and Reel
10
10
per EIA-RS481-2, (IEC 286 part 3); 2500 fuses per reel,
add suffix, ER.
ORDERING INFORMATION:
Telecom
Nano²
Teccor
TeleLink
Nominal Nominal
1
Catalog
Catalog Ampere Voltage Resistance Melting I²t
Number Number Rating Rating Cold Ohms A² Sec.
0461.500 F0500T 0.5
250
.560
.840¹
0461 1.25 F1250T 1.25
250
.110
16.5¹
0461 002. F1251T 2.00
250
.050
17.5¹
0.1
Notes:
1 _I2_{t is calculated at 10 msec or less. I}2_{t at 10 times rated current has a typical value of:}
24 A²sec (2.0A), 22 A²sec (1.25A), 1.3 A²sec (0.5A).
• Typical inductance < 40nH up to 500 MHz.
• Resistance changes 0.5% for every ˚C.
0.01
• Resistance is measured at 10% rated current.
0.001
0.1
1
10
100
CURRENT IN AMPERES
1000
377
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