Cartridge and Axial Lead Fuses
5×20mm > Medium Acting > 201P Series
201P Series, 5×20mm, Medium–Acting Fuse
RoHS
Pb
Description
The 201P Series is a 5×20mm Medium–Acting, Time-lag,
Glass Body Cartridge Fuse.
Features
• Visual fault indication
• Worldwide availability
• Direct solderable or
plug-in versions
• RoHS compliant and
Lead-free
Applications
Used as supplementary protection in appliance or
utilization equipment to provide individual protection for
components or internal circuits.
Agency Approvals
Agency
Agency File Number
Ampere Range
E67006
0.050A-1.25A
Electrical Characteristics for Series
Additional Information
Datasheet
Resources
Samples
% of Ampere
Rating
Opening Time
150
1 Hour Minimum
210
600 s Maximum
Accessories
400
40 ms Minimum 2 s Maximum
1000
5 ms Minimum 90 ms Maximum
For recommended fuse accessories for this product series,
see ‘Recommended Accessories’ section.
Electrical Characteristic Specifications by Item
Amp
Code
Amp
Rating
Voltage
Rating
0050
0.050
250V
0063
0.063
250V
0080
0.080
250V
Interrupting Rating
Nominal
Resistance
Cold Ohms
(mohms)
Nominal
Melting Integral
10 x IN
(A2s)
Voltage
Drop 1.0 x IN
max. (mV)
Power
Dissipation
1.5 x IN
max. (W)
Agency
Approvals
9200
0.00900
640
0.10000
x
7400
0.01100
600
0.10000
x
5330
0.01700
540
0.20000
x
0100
0.100
250V
3550
0.03100
500
0.20000
x
0125
0.125
250V
2650
0.05700
440
0.20000
x
0160
0.160
250V
1780
0.08500
400
0.20000
x
0200
0.200
250V
1250
0.12000
340
0.30000
x
0250
0.250
250V
870
0.13000
320
0.30000
x
80A @ 250VAC
0315
0.315
250V
590
0.16000
300
0.30000
x
0400
0.400
250V
435
0.28000
230
0.40000
x
0500
0.500
250V
160
0.35000
210
0.40000
x
0630
0.630
250V
130
0.80900
190
0.50000
x
0800
0.800
250V
85
1.10000
170
0.60000
x
1100
1.000
250V
70
2.00000
160
0.70000
x
1125
1.250
250V
50
5.12000
160
0.80000
x
Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice. Application testing is strongly recommended.
Revised: 02/14/18
Cartridge and Axial Lead Fuses
5×20mm > Medium Acting > 201P Series
Temperature Re-rating Curve
Average Time Current Curves
00
0,0
10
I-t Characteristics
,00
10
(Min-Max Limit)
DIN 41571, T.2 (50mA ... 1.25A)
0
0
1,0
0
10
10
Time (sec.)
0
1
0.1
1
0.0
01
0.0
1
1.5
2
3
4
I Fault / I Rated
5
6
7
8 9 10
15
Soldering Parameters - Wave Soldering
Recommended Process Parameters:
280
260
Wave Parameter
240
220
Preheat:
200
(Depends on Flux Activation Temperature)
180
160
140
120
80
60
40
Lead-Free Recommendation
(Typical Industry Recommendation)
Temperature Minimum:
100°C
Temperature Maximum:
Preheat Time:
150°C
60-180 seconds
100
Solder Pot Temperature:
260°C Maximum
Solder Dwell Time:
2-5 seconds
Time (Seconds)
Cooling Time
Preheat Time
Dwell Time
230
240
220
210
200
190
180
170
160
150
140
130
120
110
90
100
80
70
60
50
40
20
0
0
30
20
10
Temperature (°C) - Measured on bottom side of board
300
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.
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/14/18
Cartridge and Axial Lead Fuses
5×20mm > Medium Acting > 201P Series
Product Characteristics
Operating Temperature
-25ºC to +70ºC
Materials
Body: Glass
End Caps: Nickel–plated brass
Optional Holders: Nickel-plated caps
Tin-plated wires
Climatic Category
-25ºC/+70ºC/21 days (IEC 60068-1-3)
Product
Marking
Cap1: Brand mark, current and voltage ratings
Cap2: Series and agency approval marks
Stock Conditions
-10ºC to +60ºC RH,
≤ 75% yearly average, without dew,
maximum value for 30 days-95%
Solderability
MIL-STD-202, Method 208
Vibration Resistance
24 cycles at 15 min. each
(IEC 60068-2-6)
10 - 60 Hz at 0.75 mm amplitude
60 - 2000 Hz at 10 g acceleration
Soldering Heat
Resistance
260ºC, 10 sec. (IEC 60068-2-20)
Dimensions
Part Numbering System
max. 5.5
201 xxxx 0 xx 1 P
Ø 5.2 +0.1/-0.2
20 +0.5/-0.5
0.65 +0.04/-0.01
Series
Lead-free
Current Rating Code
Filler
Refer to Amp Code column of
Electrical Characteristics Table
Ø 5.9
21 +0.5/-0.5
Filler
Packaging Code
Refer to below Packaging
103.5 max.
Packaging
Packaging Code
Fuse Type
Packing Option
Quantity
00
Cartridge Type Fuse
Bulk
1000
02
Cartridge Type Fuse
Bulk
100
30
Cartridge Type Fuse
Bulk with Four Color Code
1000
43
Axial Lead Fuse
Tape and Reel
1250
53
Axial Lead Fuse
Tape and Reel with Four Color Code
1250
Recommended Accessories
Accessory
Type
Holder
Block
Clip
Max
Application
Voltage
Max
Application
Amperage
Series
Description
345_ISF
Panel Mount Shock-Safe Fuseholder
10
345
Shock-Safe Fuseholder with PC Mount, Solder Mount and Panel Mount options
20
830
PC Mount Shock-Safe Miniature Fuseholder
16
520
Metric OMNI-BLOK® Fuse Block
646
PC Mount Miniature Fuse Block
658
Surface Mount Miniature Fuse Block
10
520_W
PC Mount Miniature Fuse Clip
6.3
111
PC Board Mount Fuse Clip
10
445
PC Board Mount Fuse Clip
10
10
250
6.3
Notes:
1. Do not use in applications above rating.
2. Please refer to fuseholder data sheet for specific re-rating information.
3. Please contact factory for applications greater than the max voltage and amperage shown.
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/disclaimer-electronics.
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/14/18
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