IC protector
Overcurrent Protection Elements
Circuit protection elements
Circuit protection elements
Rohm’s circuit protectors have a very reliable current cut-off capability that protects ICs and their circuits from accidental
short circuit loads. Whether operated in AC or DC circuits, these circuit protectors have a very low internal resistance in
normal operation, but safely and rapidly break the circuit when the current cutoff level is exceeded.
Features
1) Cutoff is sharp and repeatable.
2) Low internal resistance and minimal voltage drop.
3) Incombustible.
4) Compact.
5) Rated for continuous use.
6) Good temperature characteristics.
7) Withstands surges well.
8) UL certified (UL certification number E107856).
Application
Current surge protection
Operation notes
Do not use this product on the primary side of commercial power supplies. Arcs that result after cutoff may damage the
molding.
Surface mounting Type
ICP-S series
Product
name
ICP-S0.5
ICP-S0.7
ICP-S1.0
ICP-S1.2
Rated
Cutoff
Internal resistance
Rated
Operating
Storage
current (A) characteristics
Typ.(Ω)
voltage (V) temperature (°C) temperature (°C)
0.5
0.7
1.0
1.2
Fig.1
Fig.2
Fig.3
Fig.4
0.150
0.084
0.061
0.048
50
−55
to
+125
−55
to
+125
Rev.A
1/5
IC protector
Overcurrent Protection Elements
Cutoff characteristics
10
10
10
CUTOFF TIME : (S)
CUTOFF TIME : (S)
0.1
Typ.
0.1
Typ.
CUTOFF TIME : (S)
1
1
1
0.1
Typ.
0.01
0.01
0.01
0.001
0
1
2
3
4
5
6
7
8
9
0.001
0
1
2
3
4
5
6
7
8
9
0.001
0
2
4
6
8
10
12
14
16
18
CUTOFF CURRENT : (A)
CUTOFF CURRENT : (A)
CUTOFF CURRENT : (A)
Fig.1 ICP-S0.5
Fig.2 ICP-S0.7
Fig.3 ICP-S1.0
10
CUTOFF TIME : (S)
1
0.1
Typ.
0.01
0.001
0
2
4
6
8
10
12
14
16
18
CUTOFF CURRENT : (A)
Fig.4 ICP-S1.2
The cutoff characteristics shown are typical. For further details of how to use these protectors, please request the
technical documentation from your Rohm representative.
External dimensions
(Unit : mm)
ICP-S0.5/S0.7/S1.0/S1.2
3.0±0.1
3.2±0.2
2.0±0.1
1.55±0.1
0 to 0.1
2.5±0.1
0.6
1.0
1.8±0.1
Rev.A
2/5
IC protector
Overcurrent Protection Elements
Leaded type
ICP-N series
Product name
Rated
Cutoff
Internal resistance
Rated
Operating
Storage
current (A) characteristics
Typ.(Ω)
voltage (V) temperature (°C) temperature(°C)
ICP-N10
ICP-N15
ICP-N20
ICP-N25
ICP-N38
ICP-N50
ICP-N70
0.4
0.6
0.8
1.0
1.5
2.0
2.5
Fig.1
Fig.2
Fig.3
Fig.4
Fig.5
Fig.6
Fig.7
0.220
0.135
0.100
0.070
0.042
0.035
0.023
50
−55
to
+125
−55
to
+125
Cutoff characteristics
10
10
10
CUTOFF TIME : (S)
CUTOFF TIME : (S)
0.1
Typ.
0.1
Typ.
CUTOFF TIME : (S)
1
1
1
0.1
Typ.
0.01
0.01
0.01
0.001
0
1
2
3
4
5
6
7
8
9
0.001
0
2
4
6
8
10
12
14
16
18
0.001
0
2
4
6
8
10
12
14
16
18
CUTOFF CURRENT : (A)
CUTOFF CURRENT : (A)
CUTOFF CURRENT : (A)
Fig.1 ICP-N10
Fig.2 ICP-N15
Fig.3 ICP-N20
10
10
10
CUTOFF TIME : (S)
CUTOFF TIME : (S)
0.1
Typ.
0.1
Typ.
CUTOFF TIME : (S)
1
1
1
0.1
Typ.
0.01
0.01
0.01
0.001
0
2
4
6
8
10
12
14
16
18
0.001
0
4
8
12
16
20
24
28
32
36
0.001
0
4
8
12
16
20
24
28
32
36
CUTOFF CURRENT : (A)
CUTOFF CURRENT : (A)
CUTOFF CURRENT : (A)
Fig.4 ICP-N25
Fig.5 ICP-N38
Fig.6 ICP-N50
Rev.A
4/5
IC protector
Overcurrent Protection Elements
10
CUTOFF TIME : (S)
1
0.1
Typ.
0.01
0.001
0
4
8
12
16
20
24
28
32
36
CUTOFF CURRENT : (A)
Fig.7 ICP-N70
The cutoff characteristics given represent typical values. Technical documentation regarding ways of using circuit
protectors is available from your Rohm representative.
External dimensions
(Unit : mm)
ICP-N10/N15/N20/N25/N38/N50/N70
6.35±0.5
Packaging specifications
Packaging type
Taping
T104
3000
Symbol
Basic ordering
unit (pieces)
5.0±0.2
2.5Min.
4.0±0.2
ICP-N
Type
ICP-N10/N15/N20/N25/N38/N50/N70
0.45±0.1
+0.1
19.0
−0.5
0.5
0.5
+0.6
5.0
−0.2
Taping specifications
(Unit : mm)
ICP-N taping (T104)
6.35±0.5 12.7±0.5
0±0.5 5.2Max.
0±1.0
ICP-N zigzag fold taping
5.2Max.
2.5Min.
+0.1
19.0
−0.5
16.0±0.5
11.0Max.
0 to 0.5
3.85±0.5
27
4.2Max.
5
2.5Min.
6.0±0.5
6.0±0.5
9.0±0.5
+1.0
18.0
−0.5
40
0.5±0.1
+0.6
5.0
−0.2
12.7±0.3
0.4
+0.2
−0.1
0.7±0.2
φ4.0±0.2
6.35±0.5
33
0
Rev.A
5/5
Making friends through disassembly
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