Axial Lead & Cartridge Fuses
2AG > Time Lag > 229/230 Series
229/230 Series 2AG, Slo-Blo® Fuse with Indicating Option
PS
E
Description
Littelfuse 229/230 series Slo-Blo® Fuses are available in
2AG size cartridge or axial lead form, offer tripped fuse
indicating option, and offer features designed to meet
rigorous Telecom industry requirements.
229/230 series product ordered with the tripped fuse
indicating option show discoloration of the glass body
immediately after trip. They offer the same performance
characteristics as standard product, and help to reduce
time locating the tripped fuse and troubleshooting circuit
issues.
Agency Approvals
Agency
Agency File Number
Ampere Range
E10480
250mA - 3.5A
LR 29862
250mA - 7A
E10480
4A - 7A
NBK200405 - E10480C/D
NBK110512 - E10480A/B
NBK210405 - E10480E/F
1A - 3.5A
4A - 5A
6A - 7A
The 229/230 series 0.25A - 1.25A range combines
conventional overcurrent protection with ability to
withstand high current, short duration pulses which
complies to short circuit requirements of UL 1459
for telephone equipment. Insulating sleeve option is
also available. Please refer to the Surge Withstand
Specifications section of this document for additional
information.
Features
250mA - 7A
Electrical Characteristics for Series
% of Ampere
Rating
Opening Time
100%
4 hours, Minimum
135%
• Available in cartridge
and axial lead form, and
a wide range of lead
forming dimension and
packaging options
• Fuses are available for
board washable with
the additional sealing
process (add suffix ‘A’ to
part number)
• In accordance with UL
Standard 248-14
PS
E
• Sleeved fuse option
available (contact
Littelfuse for additional
information)
• RoHS compliant and
Lead-free
1 hour, Maximum
200%
3 seconds, Minimum
• Tripped fuse indicating
option (add suffix ‘S’ to
part number)
Additional Information
20 seconds, Maximum
Datasheet
229 Series
Resources
229 Series
Samples
229 Series
Datasheet
230 Series
Resources
230 Series
Samples
230 Series
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/10/14
