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© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/17
Radial Lead Fuses
TE5 > Transient Tolerant Fuse > 397 Series
Product Characteristics
Operating Temperature -40ºC to +85ºC (consider de-rating)
Climatic Category
-40ºC to +85ºC/21 days
(IEC 60068-1,-2-1,-2-2,-78)
Stock Conditions
+10ºC to +60ºC RH,
≤ 75% yearly average, without dew,
maximum value for 30 days-95%
Vibration Resistance
24 cycles at 15 min. each
(EN 60068-2-6)
10 - 60Hz at 0.75mm amplitude
60 - 2000Hz at 10g acceleration
Materials
Base/Cap: Brown Thermoplastic
Polyamide PA 6.6, UL 94V-0
Round Pins: Copper, Tin-plated
Lead Pull Strength 10 N (IEC 60068-2-21)
Solderability
260ºC, ≤ 3s. (Wave)
350ºC, ≤ 1s. (Soldering Iron)
Soldering Heat
Resistance
260ºC, 10s. (IEC 60068-2-20)
350ºC, 3s. (Soldering Iron)
Packaging
Dimensions
8.5
0.5 min
max. 8L
0.6
5.08
1 +0.1
1.5
max.
4
Dimensions (mm)
Holes in PCB
Long Leads (L=18.8 mm)
Short Leads (L=4.3 mm)
Part Numbering System
Packaging Option Packaging Specification Quantity
Quantity &
Packaging Code
Taping Width
397 Series
Tape & Ammopack N/A 1,400 0000 N/A
Short Leads N/A 1,400 0440 N/A
0000397 xxxx
Packaging Code
Amp Code
Series
0000 Tape/Ammopack (1,400 pcs.)
0440 Short Leads - Bulk (1,400 pcs.)
Refer to Amp Code column of
Electrical Characteristics Table
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.