Datasheet
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/15/19
Axial Lead & Cartridge Fuses
TR5
®
> Time-Lag Fuse > 372 Series
Materials
Base/Cap: Brown Thermoplastic
Polyamide PA 6.6, UL 94 V-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)
Operating Temperature -40ºC to +85ºC (Consider re-rating)
Climatic Category
-40ºC/+85ºC/21 days
(IEC 60068-1,-2-1,-2-2,-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
(IEC 60068-2-6)
10 - 60 Hz at 0.75 mm amplitude
60 - 2000 Hz at 10G’s acceleration
Product Characteristics
Soldering Parameters - Wave Soldering
Dwell Time
0
20
40
60
80
100
120
140
160
180
200
220
240
260
280
300
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
Time (Seconds)
Temperature (°C) - Measured on bottom side of board
Cooling Time
Preheat Time
Wave Parameter Lead-Free Recommendation
Preheat:
(Depends on Flux Activation Temperature) (Typical Industry Recommendation)
Temperature Minimum: 100°C
Temperature Maximum: 150°C
Preheat Time: 60-180 seconds
Solder Pot Temperature: 260°C Maximum
Solder Dwell Time: 2-5 seconds
Recommended Hand-Solder Parameters:
Solder Iron Temperature: 350°C +/- 5°C
Heating Time: 5 seconds max.
Note: These devices are not recommended for IR or Convection Reflow process.
Recommended Process Parameters:
Dimensions
∅
8.5
0.5 min
max. 8L
∅ 0.6
5.08
Löcher in der Leiterplatte
Holes in the printed circuit board
1 +0.1
Long Leads (L=18.8mm)
Short Leads (L=4.3mm)
Part Numbering System
Packaging
Packaging
Option
Packaging
Specification
Quantity
Quantity &
PackagingCode
Taping
Width
372 Series
Tape &
Ammopack
N/A 1,000 0001 N/A
Short Leads N/A 1,000 0411 N/A
Short Leads N/A 200 0431 N/A
3.3mm Leads N/A 1,000 0511 N/A
0001372 xxxx
Packaging Code
Amp Code
Series
0001 Tape/Ammopack (1,000 pcs.)
0411 Short Leads - Bulk (1,000 pcs.)
0431 Short Leads - Bulk (200 pcs.)
0511 3.3 mm Leads - Bulk (1000 pcs.)
0075 7.5mm lead pitch
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.



