www.littelfuse.com
In our continuing strategy to deliver unparalleled circuit protection solutions,
technical expertise and application leadership, we proudly introduce the
WICKMANN Group and its products to the Littelfuse portfolio.
011906
∅ 8.5
0.5 min
max. 8L
∅ 0.6
5.08
1 +0.1
50mA 0050 250V 1400 70 0.0001 • •
63mA 0063 250V 1300 85 0.00023 • •
80mA 0080 250V 1200 100 0.00037 • •
100mA 0100 250V 1100 110 0.0013 • •
125mA 0125 250V 1000 125 0.0019 • •
160mA 0160 250V 950 155 0.004 • •
200mA 0200 250V 850 170 0.0065 • •
250mA 0250 250V 750 190 0.014 • •
315mA 0315 250V 650 205 0.032 • •
400mA 0400 250V 230 95 0.016 • •
500mA 0500 250V 220 110 0.025 • •
630mA 0630 250V 210 135 0.045 • •
800mA 0800 250V 200 160 0.069 • •
1.00A 1100 250V 190 190 0.125 • •
1.25A 1125 250V 180 225 0.2 • •
1.60A 1160 250V 170 275 0.38 • •
2.00A 1200 250V 160 320 0.63 • •
2.50A 1250 250V 150 375 1.2 • •
3.15A 1315 250V 140 445 1.9 • •
4.00A 1400 250V 130 520 3.5 • •
5.00A 1500 250V 120 630 6.2 • •
6.30A 1630 250V 115 1000 9.1 • •
8.00A 1800 250V 120 1600 30 •
10.00A 2100 250V 110 2000 55 •
50A / 250 V AC
50-60 Hz
cos
ϕ
= 1.0
1
1
UL
CSA
cULus
Note: 1.00 means the number one with two decimal places. 1,000 means the number
one thousand.
SS
SS
SUBMINIAUBMINIA
UBMINIAUBMINIA
UBMINIATURETURE
TURETURE
TURE F F
F F
FUSESUSES
USESUSES
USES
Dimensions (mm)Dimensions (mm)
Dimensions (mm)Dimensions (mm)
Dimensions (mm)
Long Leads (L=18.8 mm)
Short Leads (L=4.3 mm)
Limits for Pre-arcing TimeLimits for Pre-arcing Time
Limits for Pre-arcing TimeLimits for Pre-arcing Time
Limits for Pre-arcing Time
Permissible continuous operating current is Permissible continuous operating current is
Permissible continuous operating current is Permissible continuous operating current is
Permissible continuous operating current is ≤≤
≤≤
≤
7070
7070
70
% at ambient temperature of 23% at ambient temperature of 23
% at ambient temperature of 23% at ambient temperature of 23
% at ambient temperature of 23
ºC (73.4ºC (73.4
ºC (73.4ºC (73.4
ºC (73.4
ºF).ºF).
ºF).ºF).
ºF).
1 Conducting path cross-section minimum ≥ 0.2mm²
Holes in PCB
SpecificationsSpecifications
SpecificationsSpecifications
Specifications
PackagingPackaging
PackagingPackaging
Packaging
000: Tape/Ammopack (1,000 pcs.)
041: Short Leads - Bulk (1,000 pcs.)
MaterialsMaterials
MaterialsMaterials
Materials
Base/Cap: Brown Thermoplastic
Polyamide PA 6.6, UL 94V0
Round Pins: Copper, Sn plated
Operating TOperating T
Operating TOperating T
Operating Temperatureemperature
emperatureemperature
emperature
-40 ºC to +85 ºC (consider de-rating)
Climatic CategoryClimatic Category
Climatic CategoryClimatic Category
Climatic Category
-40 ºC/+85 ºC/21 days (EN 60068-1,-2-1,-2-2,-2-78)
Stock ConditionsStock Conditions
Stock ConditionsStock Conditions
Stock Conditions
+10 ºC to +60 ºC
relative humidity ≤ 75 % yearly average,
without dew, maximum value for 30 days-95 %
Vibration ResistanceVibration Resistance
Vibration ResistanceVibration Resistance
Vibration Resistance
24 cycles at 15 min. each (EN 60068-2-6)
10 - 60 Hz at 0.75 mm amplitude
60 - 2000 Hz at 10 g acceleration
Lead Pull StrengthLead Pull Strength
Lead Pull StrengthLead Pull Strength
Lead Pull Strength
10 N (EN 60068-2-21)
SolderabilitySolderability
SolderabilitySolderability
Solderability
260 ºC, ≤ 3 s (Wave)
350 ºC, ≤ 3 s (Soldering iron)
Soldering Heat ResistanceSoldering Heat Resistance
Soldering Heat ResistanceSoldering Heat Resistance
Soldering Heat Resistance
260 ºC, 10 s (IEC 60068-2-20)
MarkingMarking
MarkingMarking
Marking
, 373, 250 V, F, Current Rating, Approvals
Unit WeightUnit Weight
Unit WeightUnit Weight
Unit Weight
0.77 g (approx.)
OrderOrder
OrderOrder
Order Qty.Qty.
Qty.Qty.
Qty. Order-Order-
Order-Order-
Order- SeriesSeries
SeriesSeries
Series Amp Code PackagingAmp Code Packaging
Amp Code PackagingAmp Code Packaging
Amp Code Packaging
InformationInformation
InformationInformation
Information NumberNumber
NumberNumber
Number
373
Rated Amp Voltage Breaking Voltage Drop Power Dissipation Melting Integral Approvals
Current Code Rating Capacity 1.0 x IN 1.0 x IN 10 x IN
max. (mV) max. (mW) max. (A2s)
UL 248-14, 250 VUL 248-14, 250 V
UL 248-14, 250 VUL 248-14, 250 V
UL 248-14, 250 V, F, F
, F, F
, F
lead freelead free
lead freelead free
lead free
TT
TT
Time-Current Characteristicime-Current Characteristic
ime-Current Characteristicime-Current Characteristic
ime-Current Characteristic
Quick Acting (F)
StandardStandard
StandardStandard
Standard
UL 248-14
CSA C22.2 No. 248.14
ApprovalsApprovals
ApprovalsApprovals
Approvals
UL Listed
CSA Certified
FeaturesFeatures
FeaturesFeatures
Features
Reduced PCB space requirements
Direct solderable or plug-in versions
Internationally approved
Low internal resistance
Shocksafe casing
Vibration resistant
Halogen free
No.No.
No.No.
No.
373 / 373 /
373 / 373 /
373 / TR5TR5
TR5TR5
TR5®®
®®
®
Rated Current 2.0 x IN
50 mA ... 6.30 A < 5 s
8.00 A... 10.00A < 60 s
Specifications are subject
to change without notice
www.littelfuse.com
In our continuing strategy to deliver unparalleled circuit protection solutions,
technical expertise and application leadership, we proudly introduce the
WICKMANN Group and its products to the Littelfuse portfolio.
011906
TT
TT
Time (sec.)ime (sec.)
ime (sec.)ime (sec.)
ime (sec.)
Contact Littelfuse for individual I-t curves
II
II
IFaultFault
FaultFault
Fault / I / I
/ I / I
/ IRatedRated
RatedRated
Rated
SS
SS
SUBMINIAUBMINIA
UBMINIAUBMINIA
UBMINIATURETURE
TURETURE
TURE F F
F F
FUSESUSES
USESUSES
USES
TR5® / No.
373373
373373
373
23456789110
0.001
0.01
0.1
1
10
100
1,000
10,000
100,000
151.5
UL 248-14
Test val u e
I-t C har acter istics
(Min-Max Limit)