Non resettable fuses
SMD-FST
www.schurter.com/pg0_2
Surface Mount Fuse, 5 x 20 mm, Time-Lag T, L, 250 VAC, Au plating
IEC 60127-2 · 250 VAC · Time-Lag T
Description
- Directly solderable on printed circuit boards
- L = Low Breaking Capacity
- For rated current 1 A to 16 A, SMD-SPT is recommended
Applications
References
Weblinks
- Primary Protection on SMD PCB
General Product Information
Packaging Details
Approvals, RoHS, CHINA-RoHS, e-Store, Distributor-Stock-Check,
Accessories, Product Change Notification (PCN)
Standards
- IEC 60127-2/3
- UL 248-14
- CSA C22.2 no. 248.14
Approvals
- VDE License Number: 40011522
- UL File Number: E41599
Technical Data
Rated Voltage
Rated Current
Breaking Capacity
Characteristic
Mounting
Admissible Ambient Air Temp.
Climatic Category
Material: Housing
Material: Terminals
Unit Weight
Storage Conditions
Product Marking
250 VAC
0.05 - 20 A
35 A - 125 A
Time-Lag T
PCB,SMT
-55 °C to 125 °C
55/125/21 acc. to IEC 60068-1
Glass
Gold-Plated Copper Alloy
1.05 g
0 °C to 60 °C, max. 70% r.h.
, Current, Voltage, Characteristic,
Breaking Capacity
Soldering Methods
Solderability
Resistance to Soldering Heat
Resistance to Vibration
Load Humidity Test
Moisture Resistance Test
Terminal Strength
Thermal Shock
Reflow
245 °C / 3 sec acc. to IEC 60068-2-58,
Test Td
260 °C / 10 sec acc. to IEC 60068-2-58,
Test Td
acc. to IEC 60068-2-6, test Fc
MIL-STD-202, Method 103B
(1000h @ 0.1*In @ 0.85 r.H. @ 85°C)
MIL-STD-202, Method 106E
(50 cycles in a temp./mister chamber)
MIL-STD-202, Method 211A
(Deflection of board 1 mm for 1 minute)
MIL-STD-202, Method 107D
(200 air-to-air cycles from -55 to
+125°C)
acc. to EIA/IS-722, Test 4.7
>100 MΩ (between leeds and body)
MIL-STD-202, Method 215A
Case Resistance
Resistance to Solvents
Dimensions
20 mm
10
±0.2
+0.1
-0.2
ø 5.2
5
5.5
20
±0.5
Soldering pads
9.5
5.5
Fuses
SMD-FST
www.schurter.com/pg0_2
Pre-Arcing Time
Rated Current In
0.05 A - 0.1 A
0.125 A - 6.3 A
8 A - 10 A
12.5 A - 20 A
.5 x In min. 2. x In max.
60 min
60 min
30 min
15 min
120 s
120 s
120 s
120 s
2.75 x In
min.
300 ms
600 ms
600 ms
600 ms
2.75 x In
max.
10 s
10 s
10 s
10 s
4.0 x In min. 4.0 x In max.
40 ms
150 ms
150 ms
150 ms
3 s
3 s
3 s
3 s
0.0 x In
min.
10 ms
20 ms
20 ms
20 ms
0.0 x In
max.
300 ms
300 ms
300 ms
300 ms
Non resettable fuses
Variants
Rated Cur-
rent [A]
Rated Vol-
tage [VAC]
Breaking
Capacity
Voltage Drop
.0 In max.
[mV]
3500
3000
3000
2500
2000
1900
1500
1300
1100
1000
900
300
250
150
150
150
150
120
100
100
100
100
100
100
-
-
-
Voltage Drop
.0 In typ.
[mV]
950
1300
1100
565
400
415
270
210
170
150
160
160
120
60
60
60
60
60
60
60
60
60
60
60
60
60
60
Power Dissi-
pation .5 I
n
max. [mW]
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
4000
4000
-
-
-
Power Dissi-
pation .5 I
n
typ. [mW]
125
200
300
155
200
185
200
200
200
200
200
200
200
200
300
300
300
400
500
800
900
1000
1300
1300
2500
3300
4200
Melting I²t
0.0 Intyp.
[A²s]
0.0363
0.0401
0.057
0.107
0.064
0.23
0.256
0.238
0.544
0.768
3
4.35
3.85
3.3
5.5
10.5
16
21.9
47
68.3
102
190
275
520
750
1638
3057
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
Order Number
0.05
0.063
0.08
0.1
0.125
0.16
0.2
0.25
0.315
0.4
0.5
0.63
0.8
1
1.25
1.6
2
2.5
3.15
4
5
6.3
8
10
12.5
16
20
1) 35 A @ 250 VAC
2) 10 In @ 250 VAC
3) 125 A @ 250 VAC
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
2)
2)
2)
2)
2)
3)
3)
3)
0034.5604.xx
0034.5605.xx
0034.5606.xx
0034.5607.xx
0034.5608.xx
0034.5609.xx
0034.5610.xx
0034.5611.xx
0034.5612.xx
0034.5613.xx
0034.5614.xx
0034.5615.xx
0034.5616.xx
0034.5617.xx
0034.5618.xx
0034.5619.xx
0034.5620.xx
0034.5621.xx
0034.5622.xx
0034.5623.xx
0034.5624.xx
0034.5625.xx
0034.5626.xx
0034.5627.xx
0034.5628.xx
0034.5629.xx
0034.5630.xx
Packaging Unit
.xx = .11 Plastic Bag (100 pcs.)
.xx = .22 Blister Tape 38 cm Reel (1000 pcs.)
2
Fuses
Non resettable fuses
SMD-FST
www.schurter.com/pg0_2
Time-Current-Curves
100000
0.02–0.1 A
0.125–20 A
10000
1000
100
Time in Seconds
10
1
0.1
0.01
0.001
1
10
Multiple of Rated Current In
The specifications, descriptions and illustrations indicated in this document are based on
Fuses
current information. All content is subject to modifications and amendments.
