Surge Current Chip Resistor
Hokuriku Electric Industry Co.,Ltd
[Model No.]
SCR**
[Features]
■Excellent Surge Durability
One Pulse Limit Characteristics is 2-times higher than normal type.
■Compared to normal type,
rated power is higher.
■
Resistance tolerance of ±0.5%
is available.
■Reflow, Flow solderings are applicable.
[Dimensions]
（Unit：½½）
Model No.
SCR16
SCR20
SCR32
SCR35
SCR50
SCR64
L
1.60±0.15
W
t
c
0.25±0.20
0.40±0.20
0.50±0.20
0.50±0.20
0.60±0.25
0.60±0.25
d
0.25±0.20
0.40±0.20
0.50±0.20
0.50±0.20
0.60±0.25
0.60±0.25
0.80+0.20/-0.10 0.50+0.15/-0.05
2.00+0.20/-0.10 1.25+0.20/-0.10 0.50+0.15/-0.05
3.20+0.10/-0.15 1.60+0.10/-0.15 0.55+0.15/-0.05
3.20+0.10/-0.15 2.60+0.10/-0.15 0.55+0.15/-0.05
5.00±0.15
6.30±0.15
2.50±0.15
3.20±0.15
0.56±0.15
0.56±0.15
【Model No. Configuration】
①Model No.
ＳCR１６
①
-
１０３
②
Ｊ
③
Type
D
F
J
Ｖ
④
④Packing style
Tolerance
Model
SCR16
SCR20
SCR32
SCR35
SCR50
SCR64
Size
1608
2012
3216
3225
5025
6432
②Resistance value
Indication
Resistance value
103
10kΩ
103=10×10
3
=10,000Ω=10kΩ
③Tolerance
±0.5%
±1.0%
±5.07%
V
E
B
Type
Packing style
Paper taping
Embossed taping
Bulk
[Specification]
Model No.
SCR16
SCR20
SCR32
SCR35
SCR50
SCR64
Rated power (W)
0.20
0.25
0.33
0.50
0.75
1.00
Tolerance
D(±0.5%)
F(±1.0%)
J(±5.0%)
D(±0.5%)
F(±1.0%)
J(±5.0%)
D(±0.5%)
F(±1.0%)
J(±5.0%)
D(±0.5%)
F(±1.0%)
J(±5.0%)
D(±0.5%)
F(±1.0%)
J(±5.0%)
F(±1.0%)
J(±5.0%)
Range (Ω)
100½100K
10½1M
10½10M
100½100K
10½1M
10½10M
100½100K
10½1M
10½10M
100½100K
10½1M
10½10M
100½100K
10½1M
10½10M
10½10M
TCR（ppm/℃）
±100
±200
±100
±200
±100
±200
±100
±200
±100
±200
±300
Max. Working voltage
Max. Overload voltage
50V
150V
100V
200V
200V
400V
※Operating temperature range : -55½+155 ℃
[Structure]
No.
1
2
3
4
5
6
7
8
9
10
Element Name
Ceramic substrate
Back electrode
Top electrode
Resistive element
Protective coat Ⅰ
Protective coat Ⅱ
Marking
Side electrode
Ni plating
Sn plating
3
4
1
9
7
6
5
8
10
2
* Design・specification are subject to change without prior notice. Please check before purchase and use.
HOKURIKU
Hokuriku Electric Industry Co.,Ltd
【Power rating】
70℃
■For resisitors operated in ambient temperature above 70℃,power rating must be
derated in accordance with the derating curve.
SCR
100
80
60
40
20
0
-55
0
70
155
Power rating (%)
Ambient temperature (℃)
【Surface temperature】
■Surface temperature rise is shown in this figure.
SCR
200
180
160
140
120
100
80
60
40
20
0
0
50
100
150
200
Surface temperature （℃）
SCR64
SCR50
SCR35
SCR32
SCR20
SCR16
Power rating （%）
【One-pulse limiting electric power】
One-pulse limiting electric power (W)
SCR
10000
SCR64
SCR50
SCR35
SCR32
SCR20
SCR16
1000
100
10
1
0.1
1
10
100
1000
Pulse duration (ms)
※Design・specification are subject to change without prior notice. Please check before purchase and use.
HOKURIKU
