Cartridge and Axial Lead Fuses
5×20mm > Medium Acting > 201 Series
201P Series, 5×20mm, Medium–Acting Fuse
Description
5×20mm Medium–Acting, Time-lag, Glass Body
Cartridge Fuse.
Features
• Visual fault indication
• Direct solderable or
plug-in versions
Applications
Used as supplementary protection in appliance or
utilization equipment to provide individual protection for
components or internal circuits.
Ampere Range
• Worldwide availability
• RoHS compliant and
Lead-free
Agency Approvals
Agency
Agency File Number
Recognized File
No.
E10480
50mA-1.25A
Electrical Characteristics for Series
% of Ampere
Rating
150
210
400
1000
Opening Time
1 Hour Minimum
600 s Maximum
40 ms Minimum 2 s Maximum
5 ms Minimum 90 ms Maximum
Electrical Characteristic Specifications by Item
Nominal
Resistance
Cold Ohms
(ohms)
9200
7400
5330
3550
2650
1780
1250
80A @ 250V AC
870
590
435
160
130
85
70
50
Nominal
Melting Integral
10 x I
N
max. (A
2
s)
0.00900
0.01100
0.01700
0.02200
0.03300
0.08500
0.12000
0.13000
0.16000
0.28000
0.35000
0.60000
1.10000
2.00000
3.20000
Voltage
Drop 1.0 x I
N
max. (mV)
640
600
540
500
440
400
340
320
300
230
210
190
170
160
160
Power
Dissipation
1.5 x I
N
max. (W)
0.10000
0.10000
0.20000
0.20000
0.20000
0.20000
0.30000
0.30000
0.30000
0.40000
0.40000
0.50000
0.60000
0.70000
0.80000
Agency
Approvals
Amp
Code
0050
0063
0080
0100
0125
0160
0200
0250
0315
0400
0500
0630
0800
1100
1125
Amp
Rating
0.050
0.063
0.080
0.100
0.125
0.160
0.200
0.250
0.315
0.400
0.500
0.630
0.800
1.000
1.250
Voltage
Rating
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
Interrupting Rating
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: March 19, 2013 2:00 PM
Cartridge and Axial Lead Fuses
5×20mm > Medium Acting > 201 Series
Temperature Rerating Curve
Average Time Current Curves
00
0,0
10
(Min-Max Limit)
DIN 41571, T.2 (32mA ... 1.25A)
I-t Characteristics
Time (sec.)
,00
10
0
0
1,0
0
10
0
10
1
0.1
1
0.0
01
0.0
1
1.5
2
I
Fault
/ I
Rated
3
4
5
6
7
8 9 10
15
Soldering Parameters - Wave Soldering
300
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
Recommended Process Parameters:
Wave Parameter
Preheat:
(Depends on Flux Activation Temperature)
(Typical Industry Recommendation)
Lead-Free Recommendation
Temperature Minimum:
Temperature Maximum:
Preheat Time:
Solder Pot Temperature:
Solder Dwell Time:
100
°
C
150
°
C
60-180 seconds
280
°
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
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: March 19, 2013 2:00 PM
Cartridge and Axial Lead Fuses
5×20mm > Medium Acting > 201 Series
Product Characteristics
Body: Glass
End Caps: Nickel–plated brass
Optional Holders: Nickel-plated caps
Tin-plated wires
Cap1: Brand mark, current and voltage ratings
Cap2: Series and agency approval marks
260ºC, ≤ 3 sec. (Wave)
350ºC, ≤ 1 sec.. (Hand)
260ºC, 10 sec. (IEC 68-2-20)
Vibration Resistance
Operating Temperature
Climatic Category
Stock Conditions
-25ºC to +70ºC
-25ºC/+70ºC/21 days
(EN 60068-1..3)
-10ºC to +60ºC RH,
≤ 75% yearly average, without dew,
maximum value for 30 days-95%
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
Materials
Product
Marking
Solderability
Soldering Heat
Resistance
Dimensions
max. 5.5
Ø 5.2
+0.1/-0.2
20
+0.5/-0.5
0.65
+0.04/-0.01
Ø 5.9
21
+0.5/-0.5
Part Numbering System
0201 xxxx N R T1 L
Series
Option Codes
L : ROHS
Current Rating Code
Refer to Amp Code column of
Electrical Characteristics Table
Packaging Code
Quantity Code
103.5 max.
M = 1000
F = 200
Optional Holders
Packaging
Packaging Code
000
002
043
Packing Option
Bulk
Bulk
With mounted holder - Tape and Reel (on request)
Quantity
1,000
200
1250
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: March 19, 2013 2:00 PM
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