688 series, Cartridge fuses – Littelfuse 688 Series User Manual
Page 3
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© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Cartridge Fuses
6x25mm > 70VDC High Current Fuse > 688 Series
Product Characteristics
Dimensions
Materials
Body : Ceramic
Cap : Tin–plated Copper
Leads: Tin-plated Copper
Terminal Strength
MIL-STD-202G, Method 211A,
Test Condition A
Solderability
Reference IEC 60127 Second
Edition 2003-01 Annex A
Product Marking
Brand logo, current and voltage ratings,
agency approval marks
Packaging
Available in Bulk and Ammo packaging
(M=100 pcs/pkg)
Operating
Temperature:
–55ºC to 125ºC.
Thermal
Shock:
MIL-STD-202G, Method 107G, Test Condition B
Vibration
MIL-STD-202G, Method 201A
Humidity
MIL-STD-202G, Method 103B, Test Condition
A: High RH (95%) and elevated temp (40ºC)
for 240 hours
Salt Spray
MIL-STD-202G, Method 101E, 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
688 Series
5.5mm±0.2
25.2mm±0.3
6.3mm
+0.15
-0.05
25.2㼼0.3
6.3+0.15/-0.05
5.5㼼0.2
26.2㼼1
6.9㼼0.3
Part Numbering System
0688
M X E
xxxx
Axial Lead
Packaging Code
Quantity Code
Amp Code
Series
X = Filler
M = 1000
Refer to Amp Code column of
Electrical Characteristics Table
P
Lead-free