Radial Lead Fuses
TR5
®
> Fast-Acting Fuse > 373 Series
373 Series, TR5 Fuse, Fast Acting
Description
RoHS
Pb
The TR5
®
373 Series fuses are fast–acting 250V rated and
designed in accordance to UL 248 –14.
Features
• Reduced PCB space
requirements
• Direct solderable or
plug-in versions
• Internationally approved
Agency Approvals
Agency
Agency File Number
Ampere Range
• Vibration resistant
• Lead-free, Halogen free
and RoHS compliant
• Available from 0.050A
to 10A
• Low internal resistance
• Shock safe casing
51378
E67006
0.050A - 6.3A
0.050A - 10A
Applications
• Battery Chargers
• Consumer Electronics
• Power supplies
• Industrial Controllers
Electrical Characteristics
% of Ampere
Rating
200%
Ampere Rating
50mA - 6.3A
8A - 10A
Opening Time
5 Seconds,
Max.
60 Seconds,
Max.
Additional Information
Datasheet
Resources
Samples
Electrical Characteristics
Amp
Code
0050
0063
0080
0100
0125
0160
0200
0250
0315
0400
0500
0630
0800
1100
1125
1160
1200
1250
1315
1400
1500
1630
1800
2100
Rated
Current
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
8.00A
1
10.00A
1
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
250V
Breaking
Capacity
Nominal
Cold
Resistance
(Ohms)
7
.6250
4.6900
3.6500
8.9000
6.0550
4.1310
3.2260
2.2240
1.5150
0.2200
0.1570
0.1180
0.0970
0.0710
0.0665
0.0480
0.0359
0.0305
0.0240
0.0185
0.0144
0.0133
0.0074
0.0059
Voltage
Drop
1.0×I
N
max. (mV)
1400
1300
1200
1100
1000
950
850
750
650
230
220
210
200
190
180
170
160
150
140
130
120
115
120
110
Power
Dissipation
1.0×I
N
max. (mW)
70
85
100
110
125
155
170
190
205
95
110
135
160
190
225
275
320
375
445
520
630
1000
1600
2000
Melting
Integral
10×I
N
max. (A
2
s)
0.0001
0.0002
0.0004
0.0013
0.0019
0.0040
0.0065
0.0140
0.0320
0.0160
0.0250
0.0450
0.0690
0.1250
0.2000
0.3800
0.6300
1.2000
1.9000
3.5000
6.2000
9.1000
30.0000
55.0000
Agency Approvals
®
50A@250VAC
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
1 Conducting path cross-section minimum ≥ 0.2mm
2
Notes:
1) 1.00 means the number one with two decimal places. 1,000 means the number one thousand.
2) Resistance is measured at 10% of rated current, 25ºC.
© 2015 Littelfuse, Inc.
Application testing is strongly recommended. Specifications are subject to change without notice.
Revised: 12/03/15
Radial Lead Fuses
TR5
®
> Fast-Acting Fuse > 373 Series
Temperature Re-rating Curve
Average Time Current Curves
140
120
100000
PERCENT OF RATING
100
80
60
40
20
10000
23°C
1000
-40
-20
0
20
40
60
80
AMBIENT TEMPERATURE (°C)
TIME IN SECONDS
0
100
10
Note
1. Rerating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.
1
0.100
0.010
0.001
0.02
0.100
1
10
100
Soldering Parameters - Wave Soldering
300
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
Temperature (°C) - Measured on bottom side of board
Recommended Process Parameters:
Wave Parameter
Preheat:
(Depends on Flux Activation Temperature)
(Typical Industry Recommendation)
Temperature Minimum:
Temperature Maximum:
Preheat Time:
Solder Pot Temperature:
Solder Dwell Time:
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.
Time (Seconds)
Preheat Time
Dwell Time
Cooling Time
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/03/15
0.050A
0.063A
0.080A
0.100A
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
8.00A
10.00A
CURRENT IN AMPERES
Lead-Free Recommendation
100
°
C
150
°
C
60-180 seconds
260
°
C Maximum
2-5 seconds
Radial Lead Fuses
TR5
®
> Fast-Acting Fuse > 373 Series
Product Characteristics
Materials
Lead Pull Strength
Solderability
Soldering Heat
Resistance
Base/Cap: Brown Thermoplastic
Polyamide PA 6.6, UL 94 V-0
Round Pins: Copper, Tin-plated
10 N (IEC 60068-2-21)
260ºC, ≤ 3s. (Wave)
350ºC, ≤ 1s. (Soldering Iron)
260ºC, 10s. (IEC 60068-2-20)
350ºC, 3s. (Soldering Iron)
Stock Conditions
Operating Temperature
Climatic Category
-40ºC to +85ºC (consider de-rating)
-40ºC/+85ºC/21 days
(EN 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
(IEC 60068-2-6)
10 - 60 Hz at 0.75 mm amplitude
60 - 2000 Hz at 10G’s acceleration
Vibration Resistance
Dimensions
∅
8.5
max. 8
Part Numbering System
373 xxxx 0000
Series
Amp Code
0.5 min
L
∅
0.6
Refer to Amp Code column of
Electrical Characteristics Table
Packaging Code
5.08
0000 Tape/Ammopack (1,000 pcs.)
0410 Short Leads - Bulk (1,000 pcs.)
0430 Short Leads - Bulk (200 pcs.)
Holes in the printed circuit board
Long Leads (L=18.8mm)
Short Leads (L=4.3mm)
Holes in PCB
Löcher in der Leiterplatte
Packaging
Packaging Option
373 Series
Tape & Ammopack
Short Leads
Short Leads
Packaging Specification
N/A
N/A
N/A
Quantity
1,000
1,000
200
Quantity &
Packaging Code
0000
0410
0430
Taping Width
N/A
N/A
N/A
1 +0.1
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/03/15
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