POWR-GARD® Fuse
TLS SERIES TELECOM POWER FUSE
170 V dc • Current-Limiting • 1–125 A
Specifications
Voltage Rating
Ampere Range
Interrupting Rating
Approvals
Construction
Environmental
Description
Littelfuse TLS series fuses are designed specifically for
the protection of telecommunications equipment. TLS
fuses have been engineered to operate up to 170 V dc to
provide current-limiting short-circuit protection for cables
and components found in the dc power distribution circuits
of telecommunications systems. The compact design and
multiple mounting configurations of the TLS series allow it to
be used in a variety of applications.
Features
170 V dc rating
Current-limiting
1–125 amperes rating
Multiple mounting configurations — cartridge, vertical,
leaded, bolt-in, or solder type. See dimensions on the
following two pages for mounting style details.
RoHS Compliant
170 V dc
1–125 amperes
100 kA
UL Recognized (File: E71611)
Body: glass melamine
Caps: silver-plated brass
RoHS Compliant, lead (Pb) free
Ordering Information
1
2
3
5
6
10
15
20
AMPERE RATINGS
25
30
35
40
Part Numbering System
0TLS xxx T –
Series
Mounting Options
Blank = Cartridge
XV = Vertical
XL = Leaded
XLB = Bolt-In
XLS = Solder
XMB = Solder (Mid-Board Mount)
XLSE = Solder†
XLR = Bolt-In†
LSA = Solder
Amp Code
Package Quantity
T = 10
S = 20 (only LSA)
Z = 330 (only XLR)
For additional information, visit: Littelfuse.com/tls
†
1 of 4
TLS
TLS
TLS
TLS
TLS
TLS
TLS
TLS
TLS
6 Cartridge
15 Vertical
35
Leaded
50
Bolt-In
80
Solder
100 Solder
125 Solder
125 Bolt-In
30
Solder
MOUNTING
SUFFIX
Web Resources
MOUNTING
METHOD
Contact factory for more information.
AMPERE
LFTD series disconnect switches
LFT30060 for TLS series cartridge style fuse
SERIES
90
100
110*
125*
*Available in standard cartridge, LSE solder, and LR bolt-in.
Recommended Fuse Holders
50
60
70
80
CATALOG
NUMBER
ORDERING
NUMBER
FUSE
LABEL ID
–
V
L
LB
LS
MB
LSE
LR
LSA
TLS006
TLS015V
TLS035L
TLS050LB
TLS080LS
TLS100MB
TLS125LSE
TLS125LR
TLS030LSA
0TLS006.T
0TLS015.TXV
0TLS035.TXL
0TLS050.TXLB
0TLS080.TXLS
0TLS100.TXMB
0TLS125.TXLSE
0TLS125.TXLR
0TLS030.SLSA
TLS 6A
TLS 15A-V
TLS 35A-L
TLS 50A-LB
TLS 80A-LS
TLS 100A-MB
TLS 125A-LSE
TLS 125A-LR
TLS 30A-LSA
Option is available for 35 to 125 amperage only
Littelfuse.com/tls
© 2021 Littelfuse, Inc.
Rev: 1-B-020921
POWR-GARD® Fuse
TLS SERIES TELECOM POWER FUSE
Dimensions
Inches
TLS
TLS-LB
TLS
TLS
TLS-L
TLS-LB
TLS-LB
TLS-L
TLS-L
TLS-L
Pad Layout
TLS-L
TLS-LPad Layout
Pad Layout
Recommended
mounting hardware:
#8 slotted hex washer
head machine screw
Torque: 10 in-lb
TLS-LS
TLS-LS
TLS-LS
TLS-LS
Pad Layout
.877
REF.
TLS-LS
TLS-LS
Pad
Layout
.944Pad
Layout
TLS-V
TLS-V
Pad Layout
TLS-V
TLS-V
TLS-VTLS-V
Pad Layout
Pad Layout
+.020
-.017
.877
REF..877
.944 +.020
REF.
-.017
.944 +.020
-.017
TLS-MB
TLS-MB
TLS-MB
TLS-MB
Pad Layout
TLS-MB
PadTLS-MB
Layout
Pad Layout
TLS-LSA
TLS-LSA
TLS-LSA
0. 282 ± 0. 010
2 of 4
TLS-LSA
Pad Layout
TLS-LSA
Pad Layout
TLS-LSA
Pad Layout
Littelfuse.com/tls
© 2021 Littelfuse, Inc.
Rev: 1-B-020921
.877
REF.
.944 +.020
-.017
POWR-GARD® Fuse
TLS SERIES TELECOM POWER FUSE
Dimensions
Inches
TLS-MB
TLS-MB
Pad Layout
TLS-LSA
TLS-LSE
TLS-LSA
TLS-LSE
Pad Layout Pad Layout
Dimensions are mm (in)
7.14
[0.281 ]
7.14
[0.281 ]
7.14
[0.281 ]
15.42
[0.607 ]
15.42
[0.607 ]
22.28
[0.877]
22.28
[0.877]
12.95
[0.510]
12.95
[0.510]
15.42
[0.607 ]
22.28
[0.877]
23.98
23.98
[0.944]
[0.944]
(SEE NOTE 1)
(SEE23.98
NOTE 1)
1.32
[0.944]
[0.052 ]
(SEE NOTE 1)
1.32
[0.052 ]
24.49 MAX
24.49 MAX
[0.964]
[0.964]
24.49 MAX
[0.964]
21.59 MIN
21.59 MIN
[0.850]
1.32[0.850]
[0.052 ]21.59 MIN
[0.850]
4.19
4.19
[0.165]
14.30
[0.165]
14.30
[0.563 ]
[0.563 ]
4.19
[0.165]
14.30
4.09
PAD
PAD LAYOUT
[0.563 ]4.09
[0.161 ]
[0.161 ]
4.09
PAD
LAYOUT
4.19
4.19 ]
[0.161
[0.165 ]
[0.165 ]
4.75
4.75
4.19
[0.187 ]
[0.165 ] [0.187 ]
4.75
[0.187 ]
12.70
12.70
[0.500 ]
[0.500 ]
14.22
12.70
14.22
[0.560 ]
[0.500 ] [0.560 ]
14.22
[0.560 ]
0. 282 ± 0.0.282
010
12.95
[0.510]
LAYOUT
Note 1: Measurement taken at end of terminals
TLS-LR
TLS-LSA
Dimensions are mm (in)
12.70
[0.500]R2.37
[R0.094]
Dimensions are mm (in)
TLS-LSA
Pad Layout
R2.37
[R0.094]
12.70
[0.500]
R2.37
[R0.094]
16.84
[0.663]
16.84
[0.663]
16.84
[0.663]
48.76
[1.920]
48.76
[1.920]
34.41
[1.355]
38.45
[1.514]
34.41
[1.355]
48.76
[1.920]
38.45
[1.514]
34.41
[1.355]
38.45
[1.514]
6.77
[0.267]
6.77
[0.267]
Ø14.27
[Ø0.562]
Ø14.27
[Ø0.562]
Ø14.27
[Ø0.562]
3 of 4
Littelfuse.com/tls
© 2021 Littelfuse, Inc.
Rev: 1-B-020921
POWR-GARD® Fuse
TLS SERIES TELECOM POWER FUSE
TLS Time-Current Curve 35–60 A
TLS Time-Current Curve 70–125 A
Recommended Process and Soldering Parameters
LEAD FREE
RECOMMENDATION
WAVE PARAMETER
Preheat:
(Typical Industry Recommendation)
Temperature Minimum:
130 °C
Temperature Maximum:
—
Pre-heat time
75 Seconds Maximum
Solder Pot Temperature
280 °C Maximum
Solder Dwell Time
270 °C for 8 Seconds Maximum
Complete Cycle Time
250 Seconds Maximum
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/product-disclaimer.
4 of 4
Littelfuse.com/tls
© 2021 Littelfuse, Inc.
Rev: 1-B-020921
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