RN Series
Precision Metal Film Fixed Resistors Page 1
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RN Precision Metal Film Fixed Resistors
2.Features
ELA standard color coding;
Flame resistance type available;
Low noise & voltage coefficient;
Low temperature coefficient range;
Multiple epoxy coating on vacum-deposited metal film provide superior
moisturre protection;
Shollw blue body color
RN Series
Precision Metal Film Fixed Resistors Page 2
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Explantion On Specifications
Dimension
Style
Power rating at
70℃
D Max L Max +0.02 d -0.05 H ±3
Normal Size
RN1/8W RN16 1/8W 1.85 3.5 0.45 28
RN1/4W RN25 1/4W 2.5 6.8 0.52 28
RN1/2W RN50 1/2W 3.5 10 0.60 28
RN1W RN1W 1W 5 12 0.80 28
RN2W RN2W 2W 5.5 16 0.80 38
RN3W RN3W 2W 6.5 17.5 0.80 38
Small Size
RN/4WS RN25S 1/4W 1.85 3.5 28
RN1/2WS RN50S 1/2W 2.5 6.8 0.52 28
RN1WS RN1WS 1W 3.5 10 0.60 28
RN2WS RN2WS 2W 5 12 0.80 28
RN3WS
RN3WS 3W 5.5 16 0.80 38
RN Series
Precision Metal Film Fixed Resistors Page 3
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Standard Order Standard Order Style Dielectric
withstan-
ding V.
Max.
working
V.
Max.
overload
V. Tol. T.C.R Value range Tol. T.C.R Value range
RN16 1/8W 400V 200V 400V
±1%
±50 10Ω~1MΩ ±0.25% ±15
±25
±50
51.1kΩ~200kΩ
±1%
±50 10Ω~1MΩ ±0.1%
100Ω~100kΩ
RN25 1/4W 500V
±2%
±100 10Ω~1MΩ ±0.25% 51.1Ω~330kΩ
RN25S
1/4WS 500V
250V 500V
±5%
±200 1Ω~1MΩ ±0.5%
±15
±25
±50
10Ω~1MΩ
±1%
±50 10Ω~1MΩ ±0.1%
100Ω~330kΩ
RN50 1/2W
±2%
±100 10Ω~1MΩ ±0.25% 51.1Ω~511kΩ
RN50S
1/2WS
700V 350V 700V
±5%
±200 1Ω~1MΩ ±0.5%
±15
±25
±50
10Ω~1MΩ
RN1W RN1WS ±1%
±50 51.1Ω~1MΩ±0.1%
±15 100Ω~300kΩ
RN2W RN2WS ±2%
±100 51.1Ω~1MΩ±0.25% ±25 51.1Ω~511kΩ
RN3WS RN3WS
1000V 500V 1000V
±5%
±200 10Ω~1MΩ ±0.5%
±50 51.1Ω~1MΩ
RN Series
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4.Explanation On Part Numbers
RN
Meatl Film
Resistor
25 [S]
Series
16-1/8W(1/6W)
25-1/4W
50-1/2W
[S]-miniature size
H
Forming and
packaging
T5-T52
T2-T26
H-H Type
F-F Type
1002
Nominal
Resistance
10KΩ
F
Resistance
Tolerance
F- ±1%
D- ±0.5%
RN Series
Precision Metal Film Fixed Resistors Page 5
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5.Performance Specifications:
Temperature coefficient ±100PPM/℃
Short-time overload △R/R ≦ ±(0.5%+0.05Ω),with no evidence of mechanical damage
Dielectric withstanding voltage No evidence of flashover,
mechanical damage,arcing or insulation leakage.
Pulse overload △R/R ≦ ±(1%+0.05Ω),with no evidence of mechanical damage
Terminal strength No evidence of mechanical damage
Resistance to soldering heat △R/R ≦ ±(1%+0.05Ω),with no evidence of mechanical damage
Solderability Min.95% coverage.
Resisance to solvent No deterioration of the protective coating and markings
Temperature cycling △R/R ≦ ±(1%+0.05Ω),with no evidence of mechanical damage
Load life in humidity △R/R ≦ ±1.5% ;Flame resistance type :△R/R ±5%
Load life △ R/R ≦ ±1.5%;Flame resistance type :△R/R ±5%
