Radial Lead Fuses
TR5
®
> Time-Lag Fuse > 374 Series
374 Series, TR5 Fuse, Time Lag
Description
RoHS
Pb
The TR5
®
374 Series fuses are Time–Lag 250V rated and
designed in accordance to UL 248 –14.
Features
• Halogen free, Lead-free
and RoHS compliant
• Reduced PCB space
requirements
• Direct solderable or
plug–in versions
Agency Approvals
Agency
Agency File Number
Ampere Range
• Internationally approved
• Low internal resistance
• Shock safe casing
• Vibration resistant
• Available from 0.050A
to 10A
Applications
• Battery Chargers
• Consumer Electronics
Electrical Characteristics
% of Ampere
Rating
200%
Opening Time
60 Seconds,
51378
E67006
0.050A - 6.3A
0.050A - 10A
• Power supplies
• Industrial Controllers
Additional Information
Datasheet
Resources
Samples
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice. Application testing is strongly recommended.
Revised: 01/31/17
Radial Lead Fuses
TR5
®
> Time-Lag Fuse > 374 Series
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
10.00A
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)
12.5000
7
.9200
5.8500
3.8400
2.9000
1.8300
1.2000
0.7600
0.5450
0.3510
0.2600
0.1700
0.1250
0.1050
0.0800
0.0540
0.0395
0.0300
0.0227
0.0170
0.0122
0.0094
0.0060
0.0050
Voltage
Drop
1.0×I
N
max. (mV)
900
800
700
600
550
480
390
350
300
250
220
210
160
155
145
130
125
120
110
100
95
90
80
90
Power
Dissipation
1.0×I
N
max. (mW)
45
50
55
60
70
80
80
90
95
100
110
135
130
155
185
210
250
300
350
400
475
570
1000
1250
Melting
Integral
10×I
N
min. (A
2
s)
0.011
0.015
0.025
0.039
0.052
0.083
0.146
0.313
0.298
0.552
0.875
1.191
2.112
3.100
4.453
6.272
11.800
18.125
29.966
56.000
87
.500
144.869
220.800
430.000
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
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.
Temperature Re-rating Curve
140
120
PERCENT OF RATING
Average Time Current Curves
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
100000
100
10000
80
60
1000
40
20
0
-40
-20
0
23°C
TIME IN SECONDS
100
20
40
60
80
AMBIENT TEMPERATURE (°C)
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
CURRENT IN AMPERES
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/31/17
Radial Lead Fuses
TR5
®
> Time-Lag Fuse > 374 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.
Time (Seconds)
Preheat Time
Dwell Time
Cooling Time
Product Characteristics
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
(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
(IEC 60068-2-6)
10 - 60 Hz at 0.75 mm amplitude
60 - 2000 Hz at 10G’s acceleration
Materials
Lead Pull Strength
Solderability
Soldering Heat
Resistance
Vibration Resistance
Dimensions
∅
8.5
max. 8
Part Numbering System
374 xxxx 0000
Series
0.5 min
L
∅
0.6
Amp Code
Refer to Amp Code column of
Electrical Characteristics Table
5.08
1 +0.1
Packaging Code
0000 Tape/Ammopack (1,000 pcs.)
0410 Short Leads - Bulk (1,000 pcs.)
0430 Short Leads - Bulk (200 pcs.)
Löcher in der Leiterplatte
Holes in PCB
Holes in the printed circuit board
Long Leads (L=18.8mm)
Short Leads (L=4.3mm)
Packaging
Packaging Option
374 Series
Tape & Ammopack
Short Leads
Short Leads
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/31/17
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
PCB Design
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