Brochure

Table Of Contents
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/17
Axial Lead & Cartridge Fuses
6x25mm > 70VDC Fuse > 688 Series
Product Characteristics
Dimensions
Materials
Body : Ceramic
Cap : Tin–plated Copper
Leads: Tin-plated Copper
Terminal Strength
MIL-STD-202, Method 211,
Test Condition A
Solderability MIL-STD-202 Method 208
Product Marking
Brand logo, current and voltage ratings,
agency approval marks
Packaging
Available in Bulk and Ammo packaging
(M=1000 pcs/pkg)
Operating
Temperature:
–55ºC to 125ºC.
Thermal
Shock:
MIL-STD-202, Method 107, Test Condition B
Vibration MIL-STD-202, Method 201
Humidity MIL-STD-202, Method 103, Test Condition A:
High RH (95%) and elevated temp (40ºC) for
240 hours
Salt Spray MIL-STD-202, Method 101, Test Condition B
Packaging Option Packaging Specification Quantity
Quantity & Packaging
Code
Taping Width
688 Series
Ammo N/A 1000 MAT4P N/A
Bulk N/A 1000 MX N/A
Packaging
25.20.3
6.3+0.15/-0.05
5.50.2
Part Numbering System
0688 MX Pxxxx
Lead-free
Packaging Code
Quantity Code
Amp Code
Series
X = Filler
M = 1000
Refer to Amp Code column of
Electrical Characteristics Table
Measurements displayed in millimeters
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and
test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications.
Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics.