FIXED CARBON FILM RESISTORS
KAMAYA OHM
RD1/6, 1/4S, 1/4, 1/2S
•
Features
1. Three sizes are available : 1/6W ~ 1/2W.
2. Structure suitable for auto-insertion processing.
3. Stability Class : 5%
•
Dimensions
φd
φD
Unit : mm
H
L
H
Style
RD1/6
RD1/4S
RD1/4
RD1/2S
L
3.2±0.2
6.5±0.5
D
1.8±0.1
2.4±0.2
H
30±3
30±3
d
0.45±0.05
0.55±0.05
*Unit weight/pc.
108mg
217mg
*Values for reference
•
Part Number Description
Example
Style
RD
1/4
103
J
B
Product Type
Rated Dissipation
1/6 0.167W
1/4S
0.25W
1/4
1/2S 0.5W
Rated Resistance
E24 Series
e.g.: 2R2=2.2 ohm
103=10k ohm
Tolerance on Rated Resistance
G
±2%
J
±5%
*Packaging
B
H
TA
TB
TL
Bulk (Straight)
Horizontal Forming
26 mm Width Tape (Ammo Box)
52 mm Width Tape (Ammo Box)
52 mm Width Tape (Reel)
*Refer to Tape and Packaging information
on pages 60~63.
38
KAMAYA OHM
FIXED CARBON FILM RESISTORS
RD1/6, 1/4S, 1/4, 1/2S
•
Ratings
Style
RD1/6
Rated Dissipation Limiting Element Combinations of Rated Resistance Range and Combinations of Rated Resistance Range and
Tolerance on Rated Resistance
Temperature Coefficient of Resistance
at 70°C
Voltage
Rated Resistance Tolerance on Rated Temperature Coefficient
Rated Resistance
-6
W
V
Range
Range
Resistance
of Resistance 10 /°C
0.167
200
10 ohm ~ 470k ohm G(±2%)
1.0 ohm ~ 2.2M ohm J (±5%)
0~ +350
0~ –450
0~ –700
1 ohm ~ 4.7 ohm
5.1 ohm ~ 43k ohm
47k ohm
∼
430k ohm
Preferred Number
Series
for Resistors
Isolation
Voltage
V
300
Category Temperature
Range
°C
RD1/4S
0.25
RD1/4
10 ohm ~ 1M ohm
G(±2%)
1.0 ohm ~ 2.2M ohm J (±5%)
0~–1,000 470k ohm
∼
1M ohm
0~–1,200 1.1M ohm
∼
2.2M ohm
E24 Series
350
0~ –350
0~ –650
1 ohm ~ 100 ohm
110 ohm ~ 33k ohm
36k ohm ~ 470k ohm
700
500
–55~+155
250
RD1/2S
0.5
350
0~–1,000 510k ohm ~ 1M ohm
0~–1,200 1.1M ohm ~ 2.2M ohm
Note1. Rated Voltage = (Rated Dissipation)×(Rated Resistance). (d.c. or a.c. r.m.s. Voltage)
Note2. Limiting Element Voltage can only be applied to resistors when the resistance value is equal to or higher than the critical resistance value.
Percentage of the rated dissipation(%)
•
Derating Curve
55/155/56
100
The derated values of dissipation for temperatures in excess of
70°C shall be indicated by the following Curve.
•
Climatic Category
Lower Category Temperature
Upper Category Temperature
Duration of the Damp heat, Steady-State Test
−55°C
+155°C
56 days
JIS C 5201-1 : 1998
Requirements
Area of recommended operation
0
-55
70
155
Ambient Temperature(°C)
•
Performance Characteristics
Description
Voltage proof
Variation of resistance
with temperature
Overload
See Ratings Table
Test Methods
Clause 4.7
Clause 4.8
Clause 4.13
V−block method
RD1/6, 1/4S 300Va.c.,60S
RD1/4, 1/2S 500Va.c.,60S
No breakdown or flashover
Measuring temperature :
+20°C/−55°C/
+20°C/+125°C/+20°C
The applied voltage shall be 2.5 times of the
rated voltage or twice of the limiting
element voltage, whichever is the less severe, 5s.
∆R≤±(1%+0.05
ohm)
No visible damage, legible marking
Tensile
∆R≤±(1%+0.05
ohm) No visible damage
∆R≤±(1%+0.05
ohm) No visible damage
∆R≤±(1%+0.05
ohm) No visible damage
In accordance with Clause 4.17.4.5
∆R≤±(1%+0.05
ohm) No visible damage, legible marking
∆R≤±(1%+0.05
ohm) No visible damage
∆R≤±(5%+0.1
ohm) Insulation resistance : R≥100M ohm
No visible damage
∆R≤±(5%+0.1
ohm) Insulation resistance : R≥100M ohm
No visible damage, legible marking
∆R≤±(5%+0.1
ohm) No visible damage
Insulation resistance : R≥1G ohm
∆R≤±(5%+0.1
ohm) No visible damage
Insulation resistance : R≥1G ohm
Clause 4.16.2 RD1/6,1/4S : 5N for 5~10s
RD1/4,1/2S : 10N for 5∼10s
Clause 4.16.3
RD1/6,1/4S : 2.5N twice
RD1/4,1/2S : 5N twice
Robustness
Bending
of terminations
Torsion
Solderability
Resistance to soldering
heat
Rapid change of
temperature
Climatic sequence
Damp test, steady state
Endurance at 70°C
Endurance at the upper
category temperature
Clause 4.16.4 180°C, 2 rotation
Clause 4.17
Clause 4.18
235°C, 2s
After immersion into the flux, the
immersion into solder shall be carried out
in Solder bath at 350°C for 3.5s.
5 cycles between
−55°C
and
+155°C.
Dry/Damp heat(12+12h cycle), first cycle./
Cold/Damp heat(12+12h cycle), remaining cycle./
D.C.Load.
40°C, 95%R.H., 56 days, test a),b) and c) of
Clause 4.24.2.1
Clause 4.19
Clause 4.23
Clause 4.24
Clause 4.25.1 Rated voltage, 1.5h "ON", 0.5h "OFF",
70°C, 1,000h.
Clause 4.25.3 155°C, no-load, 1,000h.
39
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