AS25J1R00ET [OHMITE]
Reduction of assembly costs;
| 型号： | AS25J1R00ET |
| 厂家： | 
OHMITE MFG. CO. |
| 描述： | Reduction of assembly costs |
| 文件： | 总2页 (文件大小：646K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
AS Series
Anti-surge Thick Film Chip Resistors
F ꢀ At u ꢁ ꢀ S
•ꢀSmallꢀsizeꢀandꢀlightꢀweight
•ꢀSuitableꢀforꢀbothꢀwaveꢀandꢀreflowꢀsoldering
•ꢀCanꢀwithstandꢀhighꢀsurge
•ꢀReductionꢀofꢀassemblyꢀcosts
SꢀꢁꢂꢀS SpꢀcꢂFꢂcAtꢂonS
Power
Rating
at 70°C
0.33W
0.5W
Max
Working
Voltage
150V
200V
500V
Max
Overload
Voltage
300V
400V
500V
Dielectric
Withstanding
Voltage
500V
Resistance
Range
1Ω~10MΩ
1Ω~10MΩ
1Ω~20MΩ
Type
AS08 (0805)
AS12 (1206)
AS25 (2512)
500V
500V
1.5W
chAꢁActꢀꢁꢂStꢂcS
-55°C ~ +155°C
Std. Oper. Temp.
Standard Values
Construction
Tolerance
Test
ΔR
Test Methods (JIS C 5201-1 )
E-24 values
Thick film
1Ω-10Ω: ≤ ±400PPM/°C
(±200 PPM can be provid- R2-R1
ed on a case to case basis)
11Ω-10MΩ: ≤ ±100PPM/°C
Natural ΔR/°C
Temperature
Coefficient
x 106 (PPM/°C)
R1(t2-t1)
±5% standard; ±10%
and ±20% available
R1: at room temp. (T1)
R2: at room temp. plus 100°C (T2)
Test pattern: room temp. (T1), room
temp. +100°C(T2)
Derating
100
80
60
40
20
0
±(1.0% + 0.1Ω) max.
±(1.0% + 0.05Ω) max.
Permanent ΔR after the application of a
potential of 2.5 times RCWV for 5 sec.
Short Time
Overload
Twist of Test Board: Y/X = 3/90 mm for
60 sec.
Terminal
Bending
±(1.0% + 0.05Ω) max.
±(1.0% + 0.1Ω) max.
±(3.0% + 0.1Ω) max.
260°C±3°C for 10 ±1 sec.
See graph on next page.
Soldering Heat
Single Pulse
Humidity
Temporary ΔR after 240 hr. at 40 ±2°C
and 90-95% relative humidity
-55
0
50 70 100
155
Ambient Temperature, °C
±(3.0% + 0.1Ω) max.
±(3.0% + 0.1Ω) max.
ΔR after 1,000 hr. (1.5 hr. "on", 0.5 hr.
"off" ) at RCWV at 40 ±2°C and 90-95%
relative humidity
Load Life in
Humidity
Reflow
300
250
200
150
100
50
ΔR change after 1,000 hr. operat-
ing at RCWV, with duty cycle of (1.5
hours"on", 0.5 hour"off") at 70°C ±2°C
ambient
Load Life
Soldering230° ~ 245°/250°
20 ±10sec.
Preheating
150° ~ 180°
90 ±30sec.
Cooling
Min. 95% coverage
Wave Solder: 245°C ±3°C for 2-3 sec.
Solderability
±(1.0% + 0.05Ω) max.
ΔR after 5 cycles:
-55°C ±3°C 30 min.
Room temp. 10-15 min.
+155°C ±2°C 30 min.
4 Room temp. 10-15 min.
Temperature
Cycling
0
No evidence of flashover,
mechanical damage, arcing lic v-block at specified AC potential
or insulation breakdown 60-70 sec.
Clamped in the trough of a 90°C metal-
Dielectric
withstanding
voltage
Time
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
6
AS Series
Anti-surge Thick Film Chip Resistors
chAꢁActꢀꢁꢂStꢂcS
Pulse Curve
Lightning Surge
10,000
AS25
AS12
AS08
Single
1,000
100
10
AS25
AS12
AS08
1.2/50µs Lightning Surge
1
10
100
1K
10K
100K
1M
Resistance (Ω)
Continuous (100KΩ)
AS25
AS12
AS08
DꢂmꢀnSꢂonS
(mm)
Series
L
W
H
a
b
a
a
AS08 2.00 ±0.15 1.25 +0.15/-0.10 0.55 ±0.10 0.40 ±0.20 0.40 ±0.20
AS12 3.10 ±0.15 1.55 +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
1.75 ±.1
A ±.2
4.0 ±.1
21 ±.5
W
1
1.5 +0.1/-0
1.0 ±.1
2.0 ±.05
Embossed
Series
AS08
AS12
Packaging
Paper
Qty./reel
A
B
T
W
10
5,000 pcs. 1.65
5,000 pcs. 2.00
2.40
3.60
6.70
0.81
0.81
1.0
Paper
10
8.0 ±.2
B ±.2
AS25 Embossed 4,000 pcs. 3.50
13.8
3.5 ±0.05
1.5 +0.1/-0
A ±.2
oꢁDꢀꢁꢂnG ꢂnFoꢁmAtꢂon
RoHS
compliant
Standard Part Numbers
0805
1206
2512
A S 0 8 J 1 0 0 4 E T
AS08J1R00ET AS12J1R00ET AS25J1R00ET
AS08J10R0ET AS12J10R0ET AS25J10R0ET
AS08J1000ET AS12J1000ET AS25J12R0ET
AS08J1001ET AS12J1001ET AS25J15R0ET
AS08J1002ET AS12J1002ET AS25J22R0ET
AS08J1003ET AS12J1003ET AS25J1000ET
AS08J1004ET AS12J1004ET AS25J1001ET
AS25J1002ET
Series
Tolerance Ohms
First 3 digits are
TCR
T= tape and
AS08= 0805 J = 5%
AS12= 1206 standard
AS25= 2512 for E24
values
significant; 4th digit reel: 0805 and
is multiplier. Values 1206 paper
below 100 ohms use tape; 2512
"R" as a decimal
holder.
embossed tape.
AS25J1003ET
AS25J1004ET
examples:
1001 = 1000 ohms
1502 = 15000 ohms
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
7
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