AS Series
Anti-surge Thick Film Chip Resistors
FeA tureS
Small size and light weight
Suitable for both wave and reflow soldering
Can withstand high surge
Reduction of assembly costs
SerieS SpeciFicA tionS
Power Max Max Dielectric
Rating Working Overload Withstanding Resistance
Type at 70C Voltage Voltage Voltage Range
AS08 (0805) 0.33W 150V 300V 500V 1~10M
AS12 (1206) 0.5W 200V 400V 500V 1~10M
AS25 (2512) 1.5W 500V 500V 500V 1~20M
chArActeriSticS
Std. Oper. Temp. -55C ~ +155C
Test R Test Methods (JIS C 5201-1 )
E-24 values
Standard Values Temperature 1-10: 400PPM/C Natural R/C
Coefficient
(200 PPM can be provid- R2-R1
Construction Thick film
6
x 10 (PPM/C)
ed on a case to case basis)
R1(t2-t1)
Tolerance 5% standard; 10%
11-10M: 100PPM/C
R1: at room temp. (T1)
and 20% available
R2: at room temp. plus 100C (T2)
Test pattern: room temp. (T1), room
Derating
temp. +100C(T2)
100
Short Time (1.0% + 0.1) max. Permanent R after the application of a
Overload potential of 2.5 times RCWV for 5 sec.
80
Terminal (1.0% + 0.05) max. Twist of Test Board: Y/X = 3/90 mm for
60
Bending 60 sec.
40
(1.0% + 0.05) max. 260C3C for 10 1 sec.
Soldering Heat
20
Single Pulse (1.0% + 0.1) max. See graph on next page.
0
Humidity (3.0% + 0.1) max. Temporary R after 240 hr. at 40 2C
-55 050 70 100 155
and 90-95% relative humidity
Ambient Temperature, C
Load Life in (3.0% + 0.1) max. R after 1,000 hr. (1.5 hr.o, 0.5 hr.
Humidityof ) at RCWV at 40 2C and 90-95%
Reflow
relative humidity
300
Load Life (3.0% + 0.1) max. R change after 1,000 hr. operat-
230 ~ 245/250
Soldering 20 10sec. ing at RCWV, with duty cycle of (1.5
250
Preheating
houro, 0.5 houof) at 70C 2C
150 ~ 180
ambient
90 30sec.
200
Cooling
Solderability Min. 95% coverage Wave Solder: 245C 3C for 2-3 sec.
150
Temperature (1.0% + 0.05) max. R after 5 cycles:
Cycling
-55C 3C 30 min.
100
Room temp. 10-15 min.
50
+155C 2C 30 min.
4 Room temp. 10-15 min.
0
Dielectric No evidence of flashover, Clamped in the trough of a 90C metal-
Time
mechanical damage, arcing lic v-block at specified AC potential
withstanding
or insulation breakdown 60-70 sec.
voltage
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Temperature C
Percent Rated PowerAS Series
Anti-surge Thick Film Chip Resistors
chArActeriSticS
Pulse Curve Lightning Surge
10,000
AS25
Single
AS12
AS08
1,000
100
AS25
AS12
1.2/50s Lightning Surge
AS08
10
1 10 100 1K 10K 100K 1M
Resistance ()
Continuous (100K)
AS25
AS12
AS08
DimenSionS
(mm)
Series L W H a b a a
AS08 2.00 0.15 125 +0.15/-0.10 0.55 0.10 0.40 0.20 0.40 0.20
AS12 3.10 0.15 155 +0.15/-0.10 0.55 0.10 0.45 0.20 0.45 0.20
AS25 6.35 0.10 3.10 0.15 0.55 0.10 0.60 0.25 0.50 0.20
b b
Tape and Reel
4.0 .1
2 .5
1.5 +0.1/-0
T .1
1.75 .1 2.0 .05
Paper
13 .5
8.0 .2
178 2 B .2
60 1
3.5 0.05
A .2
4.0 .1
21 .5 W 1
1.0 .1 1.5 +0.1/-0
1.75 .1 2.0 .05
Embossed
Series Packaging Qty./reel A B T W
AS08 Paper 5,000 pcs. 1.65 2.40 0.81 10
AS12 Paper 5,000 pcs. 2.00 3.60 0.81 10 8.0 .2
B .2
AS25 Embossed 4,000 pcs. 3.50 6.70 1.0 13.8
3.5 0.05
1.5 +0.1/-0 A .2
orDerinG inFormA tion
RoHS
Standard Part Numbers
compliant
0805 1206 2512
AS08J1004ET
AS08J1R00ET AS12J1R00ET AS25J1R00ET
AS08J10R0ET AS12J10R0ET AS25J10R0ET
Series Tolerance Ohms TCR
AS08J1000ET AS12J1000ET AS25J1000ET
AS08= 0805 J = 5% First 3 digits are T= tape and
AS08J1001ET AS12J1001ET AS25J1001ET
AS12= 1206 standard significant; 4th digit reel: 0805 and
AS08J1002ET AS12J1002ET AS25J1002ET
AS25= 2512 for E24 is multiplier. Values 1206 paper
AS08J1003ET AS12J1003ET AS25J1003ET
values below 100 ohms use tape; 2512
AS08J1004ET AS12J1004ET AS25J1004ET as a decimal embossed tape.
holder.
examples:
1001 = 1000 ohms
1502 = 15000 ohms
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Voltage (V)