RNS Series
Ultra Miniature Metal Film Resistor
Features:
•
•
•
•
•
Stackpole Electronics, Inc.
Resistive Product Solutions
Miniature metal film for tight size constraints
Superior electrical, TCR performances
Flameproof silicone coating is standard
1-watt part in 1/4-watt package,
2-watt part in 1/2-watt package,
½-watt part in 1/8-watt package
RoHS compliant
Electrical Specifications
Type / Code
Power Rating
(Watts) @ 70ºC
Maximum
Working
Voltage (1)
400V
Maximum
Overload
Voltage
600V
Resistance
Temperature
Coefficient
±50 ppm/ºC
RNS12
0.5W
±100 ppm/ºC
±200 ppm/ºC
±50 ppm/ºC
RNS1
1W
500V
700V
±100 ppm/ºC
±200 ppm/ºC
±50 ppm/ºC
RNS2
2W
600V
800V
±100 ppm/ºC
±200 ppm/ºC
100 - 511K
10 - 1M
10 - 1M
100 - 511K
10 - 1M
10 - 1M
100 - 511K
10 - 1M
10 - 1M
Ohmic Range (Ω) and Tolerance
0.5%
1%
5%
(1) Rated voltage =
√Power
Rating x Nominal Resistance or Maximum Working Voltage, whichever is lower
Mechanical Specifications
Type / Code
RNS12
RNS1
RNS2
A
Body Length
0.126 ± 0.008
3.20 + 0.20 /-0
0.236 ± 0.012
6.00 ± 0.30
0.335 ± 0.020
8.50 ± 0.50
B
Body Diameter
0.073 ± 0.008
1.85 ± 0.20
0.094 ± 0.008
2.40 ± 0.20
0.110 ± 0.012
2.80 ± 0.30
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
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
Unit
inches
mm
inches
mm
inches
mm
Performance Characteristics
Item
Performance
± 50ppm/ºC
± 100ppm/ºC
± 200ppm/ºC
Test Method
Measure resistance (R
0
) at room temperature (t), after that,
measure again the resistance (R) at 100ºC higher than
room temperature
TCR =
R - R
0
R
0
10
X
(ppm/ºC)
(t + 100)-t
6
Temperature Coefficient of Resistance
Voltage Proof
1. Change of Resistance
≤±(0.5%
+ 0.05Ω)
≥1,000
Mohm
Insulation Resistance
Lay the resistor on the 90º angle metal V block and apply
rated AC voltage for one minute.
Lay the resistor on the 90º angle metal V block and apply
500Vdc between V block and lead wire for a minute. The
insulation resistance shall be measured while applying the
voltage.
Rev Date: 12/01/2014
This specification may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
1
www.seielect.com
marketing@seielect.com
RNS Series
Ultra Miniature Metal Film Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Performance Characteristics
Item
Solvent Resistance
Performance
There shall be no damage on the
insulating surface.
Change of Resistance
≤±(1%
+ 0.05Ω)
Test Method
Soak in a Isopropyl alcohol for 5 minutes. After drying up
for 5 minutes, stress of 5N is added with absorbent cotton
and it does by five round trips at the rate of one round trip a
second.
Apply 2.5 times rated voltage or max. overload voltage
whichever is lower for 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:
Component body shall be fixed so that terminals are
perpendicular to the floor. A static load specified below
shall be applied to the terminal acting in a direction away
from the body. The body of piezoelectric oscillator shall
then be inclined through an angle of 90º in the vertical plane
and then returned to its initial position in 2 or 3 seconds then
the body shall be inclined to the reversed direction through
an angle 90º and then returned 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 to 1.5±0.5 mm from the body of the
resistors and hold it for 10± 0.5 seconds and leave in room
temperature for one hour after test.
Dip the lead into a solder bath having a temperature of
245±5ºC up to 1.5±0.5 mm from the body of the resistors
and hold it form 5±0.5 seconds.
The resistor shall be subjected to 5 continuous cycles, each
as show in the table below:
Overload (Short Time)
Robustness of Termination
Change of Resistance
≤±(0.2%
+ 0.05Ω)
Resistance to
Soldering Heat
Change of Resistance
≤±(0.3%
+ 0.05Ω)
More than 95% of the surface
of the lead shall be covered by
new solder.
Solderability
Rapid Change of Temperature
Change of Resistance
≤±(1%
+ 0.05Ω)
Vibration
Change of Resistance
≤±(0.5%
+ 0.05Ω)
Damp Heat, Steady State
Change of Resistance
≤±(3%
+ 0.05Ω)
Endurance at 70 ºC
Change of Resistance
≤±(3%
+ 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 temp. 40±2ºC and relative humidity
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 hour ON,
0.5 hour OFF for 1000 hours and leave in room temperature
for one hour after test.
Rev Date: 12/01/2014
This specification may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
2
www.seielect.com
marketing@seielect.com
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