ASR/ASRM Series
Anti-Surge Resistor
Features:
•
•
•
•
•
•
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Stackpole Electronics, Inc.
Resistive Product Solutions
Excellent anti-surge characteristics
Stable characteristics through the resistance range
Good alternative to carbon composition resistors
Applications include power supplies, CRT’s, and anti-surge
circuits
Cut and formed product is available on select sizes; contact
factory for details
Flameproof coating per UL94 V-0
RoHS compliant , lead-free and halogen-free
Electrical Specifications
Type / Code
ASRM14
ASR14
ASRM12
ASRM1
ASR1
ASRM2
Power Rating
(Watts) @ 70ºC
0.25W
0.25W
0.5W
1W
1W
2W
Maximum
Working
Voltage
(1)
500V
DC 1600V
AC 1150V
2000V
4000V
4000V
4000V
Maximum
Overload
Voltage
1000V
DC 2000V
AC 1500V
2500V
5000V
5000V
5000V
Dielectric
Withstand Voltage
200VAC
400VAC
500VAC
500VAC
500VAC
500VAC
Surge
(2)
Withstanding
2000V
1000V
3000V
5000V
10000V
5000V
10000V
5000V
10000V
5000V
10000V
Ohmic Range (Ω) and
Tolerance
5%
100K - 22M
3.3
560K
3.3
560K
3.3
560K
3.3
560K
3.3
560K
-
-
-
-
-
-
-
-
-
-
510K
12M
510K
12M
510K
12M
510K
12M
510K
12M
(1) Lesser of √PR or maximum working voltage.
(2) 10 discharges from a 0.01µF capacitor every 5 seconds.
Mechanical Specifications
Type / Code
ASRM14
ASR14
ASRM12
ASRM1
ASR1
ASRM2
Weight
(mg/pc)
110
210
330
570
1340
1340
A
Body Length
0.126 ± 0.008
3.20 ± 0.20
0.236 ± 0.012
6.00 ± 0.30
0.354 ± 0.039
9.00 ± 1.00
0.433 ± 0.039
11.00 ± 1.00
0.591 ± 0.039
15.00 ± 1.00
0.591 ± 0.039
15.00 ± 1.00
B
Body Diameter
0.073 ± 0.008
1.85 ± 0.20
0.091 ± 0.008
2.30 ± 0.20
0.118 ± 0.020
3.00 ± 0.50
0.157 ± 0.020
4.00 ± 0.50
0.197 ± 0.020
5.00 ± 0.50
0.197 ± 0.020
5.00 ± 0.50
C
Lead Length(Bulk)
1.102 ± 0.118
28.00 ± 3.00
1.102 ± 0.118
28.00 ± 3.00
1.102 ± 0.118
28.00 ± 3.00
1.102 ± 0.118
28.00 ± 3.00
1.378 ± 0.118
35.00 ± 3.00
1.378 ± 0.118
35.00 ± 3.00
D
Lead Diameter
0.018 ± 0.002
0.45 ± 0.05
0.022 ± 0.002
0.55 ± 0.05
0.028 ± 0.002
0.70 ± 0.05
0.031 ± 0.002
0.80 ± 0.05
0.031 ± 0.002
0.80 ± 0.05
0.031 ± 0.002
0.80 ± 0.05
Unit
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
Rev Date: 06/28/2018
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
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ASR/ASRM Series
Anti-Surge Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Performance Characteristics
Test
Temperature Coefficient
of Resistance
Test Specification
ASRM14: ±200 ppm/ºC
All Other Sizes:
-1800~0 ppm/ºC
Change of resistance
≤ ± (0.5%+0.05Ω)
No mechanical damage
Test Condition
Measure resistance (R
0
) at room temperature (t), after that, measure again
the resistance (R) at 100ºC higher than room temperature
Voltage Proof
Lay the resistor on the 90º angle metal V block and
apply rated AC voltage for one minute
Insulation Resistance
Solvent Resistance
Overload (Short Time)
Robustness of
Terminations
Resistance to
Soldering Heat
Solderability
Lay the resistor on the 90º angle metal V block and apply 100Vdc between
≥1000 Mohm
V block and lead wire for a minute. The insulation resistance will be measured
while applying the voltage.
Soak in a Isopropyl alcohol for 5 minutes. After drying up for 5 minutes, the
There will be no damage
stress of 5N is added with the absorbent cotton. Five round trips at the rate of
on the insulating surface
one round trip a second.
Apply 2.5 times rated voltage or max overload voltage whichever is lower for
≤ ± (1%+0.05Ω)
5 seconds and leave in room temperature for one hour after test.
Tensile:
The body of the resistor is fixed, a static load is added in the direction of
drawing out of the terminal, and it maintains it for 10 ± 1 seconds.
Tensile strength: 10N
Bend:
Change of resistance
Component body will be fixed so that terminals are perpendicular to the floor.
≤ ± (0.5%+0.05Ω)
A static load specified below shall be applied to the terminal acting in a
direction away from the body. The body of piezoelectric oscillator will be
inclined through an angle of 90ºC and then retuned to its initial position
in 2 or 3 seconds
Bending strength: 5N
Dip the lead into a solder bath having a temperature of 260ºC ± 5ºC up
Change of resistance
to 1.5 ± 0.5 mm from the body of the resistors and hold it for 10 ± 0.5 seconds
≤ ± (1%+0.05Ω)
and leave in room temperature for one hour after test.
More than 95% of the
Dip the lead into a solder bath having a temperature of 245ºC ± 5ºC up
surface of the lead will be
to 1.5 ± 0.5 mm from the body of the resistors and hold it for 5 ± 0.5 seconds.
covered by new solder
The resistor shall be subjected to 5 continuous cycle,
each as shown in the table below:
Change of resistance
≤ ± (1%+0.05Ω)
Rapid Change of
Temperature
Vibration
Damp Heat,
Steady State
Endurance at 70ºC
Change of resistance
≤ ± (1%+0.05Ω)
Change of resistance
≤ ± (5%+0.05Ω)
Change of resistance
≤ ± (5%+0.05Ω)
Apply 1.5mm amplitude vibration to three directions perpendicular to each
other 2 hours each, total 6 hours. Vibrating frequency is 10Hz-55Hz-10Hz
cycle in 1 minute sweeping and repeat cycle
In the chamber having temperature of 40 ± 2ºC and relative humidity of
93 ± 3%, apply one percent of the rated power, 1.5 hour ON, 0.5 hour OFF
for 1000 hours and leave in room temperature for one hour after test.
At 70 ± 2ºC, apply rated DC voltage 1.5 ON, 0.5 hour OFF for 1000 hours and
leave in room temperature for one hour after test.
Rev Date: 06/28/2018
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
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ASR/ASRM Series
Anti-Surge Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Anti-Surge Characteristics
Test
Anti-Surge
Characteristics 1
Anti-Surge
Characteristics 2
Test Specification
Change of resistance
≤
± (10%+0.05Ω)
Change of resistance
≤
± (5%+0.05Ω)
Test Condition
Discharge from 0.01µF capacitor for 10 times every 5 seconds.
The discharge voltage is shown in Surge Withstanding Voltage table.
Discharge from 1nF capacitor for 50 times every 5 seconds.
The discharge voltage is shown in Surge Withstanding Voltage table.
Surge Withstanding Voltage
Resitance Range
100K - 22MΩ
3.3Ω - 510KΩ
ASR14
560KΩ - 33MΩ
3.3Ω - 510KΩ
ASRM12
560KΩ - 33MΩ
3.3Ω - 510KΩ
ASRM1
560KΩ - 100MΩ
3.3Ω - 510KΩ
ASR1
560KΩ - 100MΩ
3.3Ω - 510KΩ
ASRM2
560KΩ - 100MΩ
Reference standards: JIS C 5201-1, IEC60115-1, IEC60065, UL1676
-55ºC
70ºC
Type / Code
ASRM14
Surge Withstanding
2kV
1kV
3kV
5kV
10kV
5kV
10kV
5kV
10kV
5kV
10kV
Power Derating Curve:
Percent Rated Power (%)
100
80
60
40
20
155ºC
0
-60
0
20
40
60
80
100
120
140
160
180
Ambient Temperature (ºC)
Heat Rise:
Surface Temp Rise (ºC)
120
100
ASRM2
ASRM1
80
60
40
20
0
0
20
40
60
80
100
Percent Power Rating (%)
ASR1
ASRM12
ASRM14
ASR14
Rev Date: 06/28/2018
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
3
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marketing@seielect.com
ASR/ASRM Series
Anti-Surge Resistor
Pulse Limiting Power (single square shaped pulse):
10K
Stackpole Electronics, Inc.
Resistive Product Solutions
7K
5K
3K
1K
7K
5K
3K
1K
4.5K
3K
1.5K
500
700
350
150
1.2K
1K
ASR1, ASRM1, ASRM2
ASRM12
ASR14
ASRM14
14
8
4
Max. Permissible Pulse
Power (W)
100
10
1
1μ
10μ
100μ
1m
10m
100m
1
Pulse Width (sec.)
Repetitive Pulse Information
If repetitive pulses are applied to resistors, pulse wave form must be less than “Pulse limiting voltage”, “Pulse limiting
current” or “Pulse limiting wattage” calculated by the formula below.
Vp
lp
Pp
Where:
=
=
=
K√P x R x T/t
K√P/R x T/t
K x P x T/t
Vp:
lp:
Pp:
P:
R:
T:
t:
K:
[Vr:
Pulse limiting voltage (V)
Pulse limiting current (A)
Pulse limiting wattage (W)
Power rating (W)
Nominal resistance (ohm)
Repetitive period (sec)
Pulse duration (sec)
Coefficient by resistors type (refer to below matrix)
Rated Voltage (V), Ir: Rated Current (A)]
2
Rev Date: 06/28/2018
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
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marketing@seielect.com
ASR/ASRM Series
Anti-Surge Resistor
Note 1:
Note 2:
Note 3:
Note 4:
Stackpole Electronics, Inc.
Resistive Product Solutions
Note 5:
Note 6:
If T>10 → T = 10 (sec), T/t>1000 → T/t = 1000
If T>10 and T/t>1000, “Pulse Limiting power (Single pulse) is applied
If Vp<Vr (lp<lr or Pp<P), Vr (lr, P) is Vp (lp, Pp)
Pulse limiting voltage (Current, Wattage) is applied at less than rated ambient temperature. If ambient
temperature is more than the rated temperature (70°C), please decrease power rating according to “Power
Derating Curve”
Please assure sufficient margin for use period and conditions for “Pulse limiting voltage”
If the pulse waveform is not square wave, please judge after transform the waveform into square wave
according to “Waveform Transformation to Square Wave” information.
Coefficient (K) Matrix
Resistor Type
ASR, ASRM
K
1.0
Waveform Transformation to Square Wave
1. Discharge curve wave with time constant “t”
Square wave
2. Damping oscillation wave with time constant of envelope “t”
Square wave
3. Half-wave rectification wave
Square wave
Rev Date: 06/28/2018
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
5
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marketing@seielect.com
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