Rev Date: 02/10/2012 2 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
RC Series
Carbon Composition Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
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
Resistance Range -55ºC +105ºC
Resistance Temperature Characteristics
Test Test Results Test Method
V-block method RC 1/4 100 VAC, 60 seconds
RC 1/2 500 VAC, 60 seconds
±2% +0.05Ω
No visible damage, legible markings
Tensile: ±2% +0.05Ω. No visible damage 10N for 5 - 10 seconds
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
±3% +0.05Ω
No visible damage, legible markings
±2% +0.05Ω
No visible damage.
±10% +0.5Ω
Insulation resistance: R ≥100M ohm.
No visible damage, legible markings
±10% +0.5Ω
Insulation resistance: R ≥1G ohm.
No visible damage.
±10% +0.5Ω
Insulation resistance: R ≥1G ohm.
No visible damage.
Operating Temperature Range: -55ºC to +125ºC
Endurance @ 70ºC Rated voltage, 1.5 hours ON, 0.5 hours OFF at 70ºC, 1,000 hours
Endurance @ 125ºC 125ºC, no load, 1,000 hours
Climatic Sequence ±10% +0.5ΩDry/Damp heat: 12 +12 hour cycle, first cycle
Cold/Damp heat: 12 + 12 hour cycle, remaining cycle D.C. load
40ºC 95% relative humidity for 56 days,
test a, b and c of Clause 4.24.2.1
Damp Test, Steady State
Termination Strength
After immersion into flux, the immersion into solder shall be carried
out 4mm from the body at 350ºC for 3.5 seconds
Resistance to Soldering
Heat
Temperature Shock 5 cycles between -55ºC to 125ºC
Voltage Proof No breakdown or flashover
2.5 times the rated voltage or twice the limiting element voltage,
whichever is less. Severe, 5 seconds.
Overload
Performance Characteristics (JISC 5201 - 1:1998)
Load Ratio Total Testing Number of Average Lifetime
P/Pn (%) Time (Hrs) Fractures (pcs) ƛƛ
CL (60%) (60% reliability level) (Hrs)
02.984 x 10
6
6 0.201 0.244 4.098 x 10
5
20 2.990 x 10
6
4 0.134 0.176 5.682 x 10
5
60 2.997 x 10
6
2 0.067 0.104 9.615 x 10
5
100 2.992 x 10
6
3 0.1 0.139 7.194 x 10
5
Total 1.196 x 10
7
15 0.125 0.138 7.209 x 10
5
±10 Total 1.2 x 10
7
0 0.0055 0.0077 1.299 x 10
7
∆ R/R
Criteria (%) Failure Ratio
±5
Reliability Test – Load Life in Moisture