Littelfuse SPFI Series - Manual

littelfuse.com © 2014 Littelfuse POWR-GARD ® Products
Rev: 020414
POWR-GARD ® Fuse Datasheet
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SPFI SerIeS In-LIne SoLar FUSe
1000 Vdc • 2-20 A
Patent Pending
Specifications
Voltage Rating: 1000 Vdc
Amperage Rating: 2, 3, 3.5, 4, 5, 6, 8, 10, 12, 15, 20
Max. Interrupting Rating: 20 kA
Time Constant ≤ 1ms
Material: Body: Melamine
Caps: Copper Alloy (Nickel Plated)
Approvals: UL 2579 Recognized (File: E339112)
Environmental: RoHS Compliant
Country of Origin: Mexico
Part Numbering System
Web Resources
Downloadable CAD drawings and other technical information:
littelfuse.com/spfi
Recommended Crimping Tool
T&B Sta-Kon ERG4002 or equivalent
Weidmüller HTN 21 or equivalent
Description
The Littelfuse SPFI solar fuse has been designed to
integrate into an in-line assembly within a wire harness.
The fuse provides photovoltaic (PV) protection is UL 2579
Recognized for photovoltaic applications. The SPFI can
be electrically insulated by either overmolding or using
approved heat-shrink.
Features/Benefits
• Meets UL photovoltaic specifications
• Meets IEC 60269-6 electrical performance requirements
• 20,000 A interrupting rating
• No fuseholder required
Applications
• Photovoltaic wire harness
Dimensions mm (in)
SerIeS amP
Package
QUantIty
cataLog
nUmber
orderIng
nUmber
SPFI 2 10 SPFI002 SPFI002.T
SPFI 3.5 10 SPFI03.5 SPFI03.5T
SPFI 20 50 SPFI020 SPFI020.L
SPFI xxx T
Package Quantity
Series
Amp Code
T = 10
L = 50
Refer to Amp Code
Column in Ordering
Information Table
Look for this logo to indicate products that are used in solar applications. Visit our website
Littelfuse.com/solar for the latest updates on approvals, certifications, and new products.
63.50
(2.50)
12.26
(0.483)
Typ. 2
5.59
(0.22)
Typ. 2
10.31
(0.406)
Typ. 2
9.53
(0.375)
Typ. 2
ш 3.56
(0.140)