C
IRCUIT
P
ROTECTORS
No. 391 / SP
Protector,
Short Circuit Protector, 65 V Specifications
Packaging
leadfree
000: Tape/Ammopack (1400 pcs.)
For Short Circuit Protection of
Sensitive Electronic Components
and Assemblies
T ime-Current Characteristic
Quick Acting (F)
Materials
Brown Thermoplastic
Polyamide PA 6.6, UL 94V0
Round Pins: Copper, Sn plated
-40 ºC to +85 ºC (consider de-rating)
-40 ºC/+85 ºC/21 days (EN 60068-1,-2-1,-2-2,-78)
+10 ºC to +60 ºC
relative humidity
≤
75 % yearly average,
without dew, maximum value for 30 days-95 %
24 cycles at 15 min. each (EN 60068-6)
10 - 60 Hz at 0.75 mm amplitude
60 - 2000 Hz at 10 g acceleration
10 N (EN 60068-2-21)
Base/Cap:
Approvals
Temperature
Operating Temperature
Climatic Category
Stock Conditions
cULus Recognized
Maximum continuous current:
IC > Ioperating max x F T quick acting
Maximum melting integral:
I 2 t SP
<
I 2 tsemiconductor (warm)
Minimum fault current:
IFault > 3 x I C
Operating Criteria
Dimensions (mm)
8,5
max. 8
max. 4
Vibration Resistance
0,5 min
18,8
∅
0,6
1,5
Maximum fault current:
IFault < 50A at 65VAC/DC
Lead Pull Strength
Solderability
Features
5,08
Holes in PCB
For worldwide applications
Reduced PCB space requirements
Highly defined cut-off times
Irreversible physical separation
Low internal resistance
Flame resistant encapsulated casing
260 ºC,
≤
3 s (Wave)
350 ºC,
≤
3 s (Soldering Iron)
260 ºC, 10 s (IEC 60068-2-20)
, Type
1 +0,1
Soldering Heat Resistance
Marking
Unit Weight
0.60 g (approx.)
125 mA
160 mA
200 mA
250 mA
315 mA
400 mA
500 mA
630 mA
800 mA
1.00 A
1.25 A
1.60 A
2.00 A
2.50 A
3.15 A
4.00 A
SP 13
SP 16
SP 20
SP 25
SP 32
SP 40
SP 50
SP 63
SP 80
SP100
SP125
SP160
SP200
SP250
SP315
SP400
0125
0160
0200
0250
0315
0400
0500
0630
0800
1100
1125
1160
1200
1250
1315
1400
65 V
65 V
65 V
65 V
65 V
65 V
65 V
65 V
65 V
65 V
65 V
65 V
65 V
65 V
65 V
65 V
50A / 65 V AC/DC
50-60 Hz
cos
ϕ
= 1.0
3400
2450
1750
195
155
120
95
75
58
46
37
29
23
18
14
12
190
210
240
52
65
85
105
135
170
220
270
350
440
550
700
900
0.005
0.0095
0.019
0.012
0.018
0.034
0.057
0.095
0.16
0.27
0.45
0.77
0.85
2.2
3.7
6.5
Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.
Order
Information
032906
Qty.
Order-
Number
Series
391
Amp Code
Packaging
Specifications are subject
to change without notice
In our continuing strategy to deliver unparalleled circuit protection solutions,
technical expertise and application leadership, we proudly introduce the
WICKMANN Group and its products to the Littelfuse portfolio.
www.littelfuse.com
cURus
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100
Permissible continuous operating current is
≤
10 0 % at ambient temperature of 23 ºC (73.4 ºF).
Continous
Type
Amp
Voltage
Fault
Cold Resistance Power Dissipation Melting Integral
Current
Code
Rating
Current
0.1 x IC
1.0 x IC
10 x IC
IC
max.
typ. (mΩ)
max. (mW)
typ. (A
2
s)
Approvals
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Microcontroller MCU
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