Type 5TT / 5TTP
Slow Blow Fuse Series
5 x 20mm Glass Tube
RoHS 6 Compliant
Electrical Specifications
5TT May2012D
5TT (P) 80-R 80mA 29 3.10 250 Y Y Y
5TT (P) 100-R 100mA 18.8 2.52 250 Y Y Y
5TT (P) 125-R 125mA 12.6 2.22 250 Y Y Y
0.137 0.146 0.45
0.208 0.221 0.48
Typical
Cold
Resistance
(ohm)
Ampere
Rating
Catalog
Number
Maximum
Power
Dissipation
(W)
Melting I2T
@ 10 In
(A2 Sec)
Melting I2T
<10 m Sec
(A2 Sec)
0.091 0.096 0.42
Volt-drop
@100%
In
(Volt)
Max.
Voltage
Rating
(V)
Interrupting
Rating
Agency Approvals
5TT (P) 160-R 160mA 7.6 1.88 250 Y Y Y
5TT (P) 200-R 200mA 4.98 1.45 250 Y Y Y
5TT (P) 250-R 250mA 3.39 1.25 250 Y Y Y
5TT (P) 300-R 300mA 2.13 0.97 250 Y Y Y
5TT (P) 400-R 400mA 1.33 0.83 250 Y Y Y
5TT (P) 500-R 500mA 0.865 0.67 250 Y Y Y
0.66
0.51
0.55
0.70
0.719 0.778
1.65 1.80
0.58
0.885
0.314 0.337
0.476 0.512
0.60
2.5
0.959
2.7
5TT (P) 600-R 600mA 0.679 0.64 250 Y Y Y
5TT (P) 700-R 700mA 0.465 0.49 250 Y Y Y
5TT (P) 750-R 750mA 0.438 0.48 250 Y Y Y
5TT (P) 1-R 1A 0.258 0.40 250 Y Y Y
5TT (P) 1.25-R 1.25A 0.179 0.34 250 Y Y Y
5TT (P) 1.5-R 1.5A 0.126 0.30 250 Y Y Y
80mA-
3A/250V AC
@100A
80mA-
8A/125V AC
@10,000A Y
Y
Y
0.79
0.75
0.78
5.8
0.85
0.91
5.3
18
15
3.8
4.6
8.6
13
4.2
5.1
9.6
21
0.96
5TT (P) 2-R 2A 0.081 0.27 250 Y Y Y
5TT (P) 2.5-R 2.5A 0.056 0.23 250 Y Y Y
5TT (P) 3-R 3A 0.043 0.21 250 Y Y Y
5TT (P) 3.15-R 3.15A 0.040 0.21 125 Y Y
5TT (P) 4-R 4A 0.029 0.19 125 Y Y
5TT (P) 5-R 5A 0.020 0.17 125 Y Y
Y
Y
Y
1.03
Y
Y
Y
1.13
1.10
157
1.25
1.33
1.1768
34
51
78
180
45
119
6356
103
30
5TT (P) 6-R 6A 0.015 0.15 125 Y Y
5TT (P) 6.3-R 6.3A 0.014 0.12 125 Y Y
5TT (P) 7-R 7A 0.012 0.13 125 Y Y
5TT (P) 8-R 8A 0.011 0.13 125 Y Y
5TT (P) 10-R 10A 0.008 0.13 125 Y Y Y
125V AC
@10,000A Y467 703 1.40
Y
319 472 1.31 Y
295 459 1.37
Y
Y
230
1.23
1.25
218 317
345
Consult manufacturer for other ratings
CORPORATE OFFICE
FAR EAST OFFICE
EUROPE OFFICE EUROPE
Bel Fuse Inc.
Bel Fuse Ltd.
Bel Fuse Europe Ltd. Bel Stewart GmbH
206 Van Vorst Street 8/F Luk Hop Industrial Building Preston Technology Management Centre Industriestrasse 20
Tel 201-432-0463 San Po Kong Preston, Lancashire, PR1 8UQ Germany
Fax 201-432-9542 Kowloon, Hong Kong United Kingdom Tel 49-6172-9552-0
E-Mail: belfuse@belf.com Tel 852-2328-5515 Tel 44-1772-556601 Fax 49-6172-9552-40
Website: www. belfuse.com Fax 852-2352-3706 Fax 44-1772-561008