3970350000 Datasheet, PDF (1/2 Pages) Littelfuse – SUBMINIATURE FUSES

SUBMINIATURE FUSES
No. 397 / T²CP
Dimensions (mm)
8,5
max. 4
∅ 0,6
1,5
UL 248-14, 125 V, T
lead free
Time-Current Characteristic
Transient Tolerant (T)
Standard
UL 248-14
CSA C22.2 No. 248.14
Approvals
UL Listed
cUL Listed
Features
Surge Proof for telecom applications
Reduced PCB space requirements
Direct solderable or plug-in versions
Low internal resistance
Shocksafe casing
Vibration resistant
Halogen free
5,08
Holes in PCB
Long Leads (L=18.8 mm)
Short Leads (L=4.3 mm)
Specifications
Packaging
000: Tape/Ammopack (1400 pcs.)
044: Short Leads - Bulk (1400 pcs.)
Materials
Base/Cap: Brown Thermoplastic
Polyamide PA 6.6, UL 94 V0
Round Pins: Copper, Sn plated
Operating Temperature
-40 ºC to +85 ºC (consider de-rating)
Climatic Category
-40 ºC/+85 ºC/21 days (EN 60068-1,-2-1,-2-2,-78)
Stock Conditions
+10 ºC to +60 ºC
relative humidity ≤ 75 % yearly average,
without dew, maximum value for 30 days-95 %
Vibration Resistance
24 cycles at 15 min. each (EN 60068-6)
10 - 60 Hz at 0.75 mm amplitude
60 - 2000 Hz at 10 g acceleration
Lead Pull Strength
10 N (EN 60068-2-21)
Solderability
260 ºC, ≤ 3 s (Wave)
350 ºC, ≤ 3 s (Soldering iron)
Soldering Heat Resistance
260 ºC, 10 s (IEC 60068-2-20)
Marking
, T²CP, T, Current Rating
Unit Weight
0.60 g (approx.)
Limits for Pre-arcing Time
Rated Current 2.0 x I_N 5.7 x I_N
350mA ... 1.50 A < 60 s 80 ms ... 2 s
17 x I_N
< 200 ms
Permissible continuous operating current is ≤ 70 % at ambient temperature of 23 ºC (73.4 ºF).
Rated
Current
Amp
Code
Voltage
Rating
Breaking
Capacity
Voltage Drop
1.0 x I_N
max. (mV)
Power Dissipation
1.0 x I_N
max. (mW)
Melting Integral
10 x I_N
min. (A²s)
Surge Amplitude (A)¹ Approvals
350 mA
0350
125 V
400
140
0.38
500 mA
800 mA
1.00 A
1.25 A
0500
0800
1100
1125
125 V
125 V
125 V
125 V
50A / 125 V AC
50-60 Hz
cos ϕ = 1.0
340
300
240
200
170
240
240
250
0.79
2.4
3.5
5
1.50 A
1150
125 V
190
285
8.5
1 _{FCC 47 Part 68: Minimum pulse load quantity is 2 pulses at a test generator output of 800 V and 10x560 μs waveform.}
ITU-T K.20:
Minimum pulse load quantity is 30 pulses at a test generator output of 1000 V, 67 A and 10x700 μs waveform.
Bellcore GR-1089: Minimum pulse load quantity is 50 pulses at a test generator output of 1000 V and 10x1000 μs.
25 15 29 • •
30 17 38 • •
60 31 50 • •
78 40 65 • •
100 50 67 • •
155 78 67 • •
Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.
Order
Information
032906
Qty.
Order-
Series Amp Code Packaging
Number
397
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.
Specifications are subject
to change without notice
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