RC Series
Stackpole Electronics, Inc.
Carbon Composition Resistor
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Features:
Resistive Product Solutions
Non-inductive design
Molded body for package uniformity
Ideal for pulse-load handling characteristics
1W now available
RoHS compliant / lead-free
Electrical Specifications
Type / Code
Power Rating
(Watts) @ 70ºC
Maximum
Continuous
Working Voltage (1)
RC14
0.25W
250V
400V
500V
2.2 - 5.6M
1 - 5.6M
RC12
0.5W
350V
700V
700V
1 - 22M
1 - 22M
RC1
1W
500V
1,000V
1,000V
Maximum
Pulse Voltage
Dielectric Withstanding
Voltage
Ohmic Range (Ω) and Tolerance
5%
10%
-
2.2 - 1M
(1) Lesser of √PR or maximum working voltage.
Mechanical Specifications
Type / Code
A
B
C
D
Body Length
Body Diameter
Lead Length (Bulk)
Lead Diameter
Unit
0.248 ± 0.028
6.30 ± 0.70
0.094 ± 0.004
2.40 ± 0.10
1.181 ± 0.118
30.00 ± 3.00
0.024 ± 0.002
0.60 ± 0.05
RC12
0.374 + 0.031 / -0.028
9.50 + 0.80 / -0.70
0.142 ± 0.008
3.60 ± 0.20
1.102 ± 0.118
28.00 ± 3.00
0.028 + 0.003 / -0.002 inches
0.70 + 0.07 / -0.05
mm
0.563 ± 0.028
14.30 ± 0.70
0.224 ± 0.012
5.70 ± 0.30
1.024 ± 0.118
26.00 ± 3.00
0.035 ± 0.002
0.90 ± 0.05
RC1
Power Derating Curve:
Percentage of the Rated Dissipation (%)
RC14
inches
mm
inches
mm
100
80
60
40
Area of Recommended Operation
20
0
-55
70
125
Ambient Temperature (ºC)
Rev Date: 07/15/2014
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
1
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marketing@seielect.com
RC Series
Stackpole Electronics, Inc.
Carbon Composition Resistor
Resistive Product Solutions
Resistance Temperature Characteristics
Resistance Range
-55ºC
+105ºC
Under 1K
+2 to + 5
-4 to -2
1K to 9.1K
+5 to +9
-5 to -3
10K to 91K
+8 to +11
-7 to -5
100K to 910K
+10 to +14
-9 to -7
1M to 10M
+13 to +20
-14 to -9
Maximum % resistance change from
room temperature (+25ºC) value
Performance Characteristics (JISC 5201 - 1:1998)
Test
Test Results
Test Method
Voltage Proof
No breakdown or flashover
V-block method RC 1/4 100 VAC, 60 seconds
RC 1/2 500 VAC, 60 seconds
2.5 times the rated voltage or twice the limiting element voltage,
whichever is less. Severe, 5 seconds.
±2% +0.05Ω
No visible damage, legible markings
Tensile: ±2% +0.05Ω. No visible damage
10N for 5 - 10 seconds
Termination Strength
Bending: ±2% +0.05Ω. No visible damage
5N, twice
Torsion: ±2% +0.05Ω. No visible damage
180ºC, two rotations
Solderability
In accordance with Clause 4.17.4.5
235ºC, 5 seconds
After immersion into flux, the immersion into solder shall be carried
±3% +0.05Ω
Resistance to Soldering
Heat
out 4mm from the body at 350ºC for 3.5 seconds
No visible damage, legible markings
±2% +0.05Ω
Temperature Shock
5 cycles between -55ºC to 125ºC
No visible damage.
Dry/Damp heat: 12 +12 hour cycle, first cycle
Climatic Sequence
±10% +0.5Ω
Cold/Damp heat: 12 + 12 hour cycle, remaining cycle D.C. load
±10% +0.5Ω
40ºC 95% relative humidity for 56 days,
Damp Test, Steady State
Insulation resistance: R ≥100M ohm.
test a, b and c of Clause 4.24.2.1
No visible damage, legible markings
±10% +0.5Ω
Endurance @ 70ºC
Rated voltage, 1.5 hours ON, 0.5 hours OFF at 70ºC, 1,000 hours
Insulation resistance: R ≥1G ohm.
No visible damage.
±10% +0.5Ω
Endurance @ 125ºC
125ºC, no load, 1,000 hours
Insulation resistance: R ≥1G ohm.
No visible damage.
Operating Temperature Range: -55ºC to +125ºC
Overload
Reliability Test – Load Life in Moisture
Criteria (%)
∆ R/R
Load Ratio
P/Pn (%)
Total Testing
Time (Hrs)
Number of
Fractures (pcs)
ƛ
0
2.984 x 106
6
0.201
0.244
4.098 x 105
20
6
2.990 x 10
4
0.134
0.176
5.682 x 105
60
2.997 x 106
2
0.067
0.104
9.615 x 105
100
2.992 x 106
3
0.1
0.139
7.194 x 105
±5
±10
7
Failure Ratio
ƛCL (60%)
Average Lifetime
(60% reliability level) (Hrs)
Total
1.196 x 10
15
0.125
0.138
7.209 x 105
Total
1.2 x 107
0
0.0055
0.0077
1.299 x 107
Rev Date: 07/15/2014
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
RC Series
Stackpole Electronics, Inc.
Carbon Composition Resistor
Resistive Product Solutions
Technical Guide:
1. Storage Conditions:
Temperature:
5 to 35ºC (40 to 95ºF)
Humidity:
25 – 60% relative humidity
Term:
One year in poly-bag with desiccant. If parts are removed from the poly-bag,
they should be used immediately or resealed in the bag.
Environment:
Clean, dry environment, free of corrosive gases
2. Application precautions:
Lead forming:
Forming is recommended at least 2mm of farther from the base of the lead
Soldering:
Soldering is recommended at least 4mm or farther from the base of the lead
3. Washing:
Carbon composition resistors are highly hygroscopic and changes in resistance value can occur if too much
moisture is absorbed. For this reason it is recommended not to use water or water-soluble solvents to clean these
components. Alcohol or hydrocarbon solvents are recommended for rinsing.
4. Soldering Recommendations:
Note: The conditions shown below are for reference. Please perform a mounting evaluation to assure compatibility.
a. Flow soldering (recommended profile for Sn and Sn/Pb solders)
b. Soldering iron (recommended for Sn and Sn/Pb solders)
Temperature of soldering tip:
300ºC, duration: 10 sec. max.
Temperature of soldering tip:
350ºC, duration: 3 sec. max.
Other:
1. Evaluate and confirm the compatibility of your assembly process with this product.
2. Refer to the catalog, the product news, and the specifications for details on the RC series resistors.
3. If you have any questions, please contact our sales staff.
Rev Date: 07/15/2014
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
3
www.seielect.com
marketing@seielect.com
RC Series
Stackpole Electronics, Inc.
Carbon Composition Resistor
Resistive Product Solutions
How to Order
RC
1
2
3
4
5
6
7
8
9
10
R
C
1
2
J
T
5
M
6
0
Product Series
Carbon Comp
Size Power Rating
0.25W
14
0.5W
12
1W
1
Code
J
K
Tolerance
Tol
Value
5%
E24
10%
Code
T
B
Packaging
Description
Size
14, 12
Tape and Reel
Bulk
All Sizes
Resistance Value
Quantity
5,000
1,000
Four characters with
the multiplier used as
the decimal holder.
1 ohm = 1R00
10 Kohm = 10K0
1 Mohm = 1M00
Rev Date: 07/15/2014
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
4
www.seielect.com
marketing@seielect.com
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