Radial Lead Fuses
TR5
®
> Time-Lag > 372 Series
372 Series, TR5
®
, Time-Lag Fuse
Description
The 372 Series are TR5
®
, time-Lag type, 250V rated fuses,
that are designed in accordance to IEC 60127-3.
Features
• Lead-free
• Reduced PCB space
requirements
• Direct solderable or
plug-in versions
• Internationally approved
Agency Approvals
Agency
Agency File Number
Ampere Range
• Shock safe casing
• Vibration resistant
• Halogen free
• Available from 40mA
to 6.3A
• Low internal resistance
Applications
• Battery Chargers
• Consumer electronics
Electrical Characteristics
% of Ampere
Rating
150%
210%
275%
400%
1000%
Opening Time
1 Hour,
Min.
2 Minutes,
Max.
400 ms,
Min.
; 10 Sec.,
Max.
150 ms,
Min.
; 3 Sec.,
Max.
20 ms,
Min.
; 150 ms,
Max.
5007679-1170-0003/82447
5007679-1170-0004/82452
JET1896-31007-2002
1010253
E67006
SU05024-7010
SU05024-7011
SU05024-7006
SU05024-7007
SU05024-7008
SU05024-7009
SU05024-7012
CQC07012021162
2007010207240346
50mA - 4A
5A - 6.3A
1A - 5A
50mA - 6.3A
40mA - 6.3A
50mA - 100mA
125mA - 800mA
1A - 2.5A
3.15A
4A
5A
6.3A
5A - 6.3A
40mA - 4A
• Power supplies
• Industrial Controllers
Additional Information
Datasheet
Resources
Samples
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Radial Lead Fuses
TR5
®
> Time-Lag > 372 Series
Electrical Characteristics
Amp
Code
0040
0050
0063
0080
0100
0125
0160
0200
0250
0315
0400
0500
0630
0800
1100
1125
1160
1200
1250
1315
1400
1500
1630
Rated
Current
40mA
50mA
63mA
80mA
100mA
125mA
160mA
200mA
250mA
315mA
400mA
500mA
630mA
800mA
1.00A
1.25A
1.60A
2.00A
2.50A
3.15A
4.00A
5.00A
6.30A
*
Voltage
Rating
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
power
Voltage
Dissipation
Drop
1.5×I
N
1.0×I
N
max.
(mV)
max. (mW)
900
90
500
70
400
80
370
100
300
110
260
120
200
130
170
140
150
150
140
160
130
170
125
180
120
200
110
220
110
360
95
450
95
450
85
600
80
700
80
1100
75
1200
80
1300
58
1250
melting
Integral
10×I
N
min. (A
2
s)
0.009
0.01
0.02
0.023
0.047
0.066
0.14
0.20
0.28
0.36
0.9
1.3
2.5
3.8
5.5
9
14
23
35
60
95
94
105
Agency Approvals
breaking Capacity
35A/250VAC
1
50-60 Hz cos
ϕ
= 1.0
40A / 250 VAC
50A / 250 VAC
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
g
g
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
CQC
CQC
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1 Per UL, approved breaking capacity is 50 A at 250 V.
* Conducting path min. 0.2 mm
2
G = Expert Report
Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.
Temperature Rerating Curve
Average Time Current Curves
0.125A
0.160A
0.200A
0.250A
0.315A
0.400A
0.500A
0.630A
0.800A
1.00A
1.25A
1.60A
2.00A
2.50A
3.15A
4.00A
5.00A
6.30A
0.040A
0.050A
0.063A
0.080A
0.100A
140
120
100000
PERCENT OF RATING
100
10000
80
60
40
20
0
-40
-20
0
20
40
60
80
AMBIENT TEMPERATURE (°C)
1000
23°C
TIME IN SECONDS
100
10
1
0.100
0.010
0.001
0.02
0.100
1
10
100
CURRENT IN AMPERES
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Radial Lead Fuses
TR5
®
> Time-Lag > 372 Series
Soldering Parameters - Wave Soldering
300
Recommended Process Parameters:
Wave parameter
preheat:
(Depends on Flux Activation Temperature)
(Typical Industry Recommendation)
Temperature (°C) - Measured on bottom side of board
280
260
240
220
200
180
160
140
120
100
80
60
40
20
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
10
20
30
40
50
60
70
80
90
0
0
lead-Free Recommendation
Temperature Minimum:
Temperature Maximum:
Preheat Time:
Solder pot Temperature:
Solder Dwell Time:
100
°
C
150
°
C
60-180 seconds
260
°
C Maximum
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.
Dimensions
∅
8.5
max. 8
∅
0.6
Time (Seconds)
Preheat Time
Dwell Time
Cooling Time
Product Characteristics
Materials
Lead Pull Strength
Solderability
Soldering Heat
Resistance
Operating
Temperature
Climatic Category
Stock Conditions
Vibration
Resistance
Base/Cap: Brown Thermoplastic
Polyamide PA 6.6, UL 94 V-0
Round Pins: Copper, Tin-plated
10 N (EN 60068-2-21)
260ºC, ≤ 3s. (Wave)
350ºC, ≤ 1s. (Soldering Iron)
260ºC, 10s. (IEC 60068-2-20)
350ºC, 3s. (Soldering Iron)
-40ºC to +85ºC (consider de-rating)
-40ºC/+85ºC/21 days
(IEC 60068-1,-2-1,-2-2,-2-78)
+10ºC to +60ºC
RH ≤ 75% yearly average, without dew,
maximum value for 30 days-95%
24 cycles at 15 min. each
(EN 60068-2-6)
10 - 60 Hz at 0.75 mm amplitude
60 - 2000 Hz at 10G’s acceleration
5.08
Holes in
(L=18.8mm)
Long Leads
the printed circuit board
Short Leads (L=4.3mm)
Löcher in der Leiterplatte
Part Numbering System
372 xxxx 0001
Series
Packaging
packaging
Option
372 Series
Tape &
Ammopack
Short Leads
Short Leads
3.3mm
Leads
packaging
Specification
Quantity
Quantity &
packaging
Code
0001
0411
0431
0511
Taping
Width
Amp Code
Refer to Amp Code column of
Electrical Characteristics Table
Packaging Code
N/A
N/A
N/A
N/A
1,000
1,000
200
1,000
N/A
N/A
N/A
N/A
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.)
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
1 +0.1
0.5 min
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