R3J3R9E Ohmite, R3J3R9E Datasheet
R3J3R9E
Manufacturer Part Number
R3J3R9E
Description
Wirewound Resistors 3watt 3.9ohm 5% Radial
Manufacturer
Ohmite
Series
PC58r
Type
Radial Lead Power Resistor for PC Boardsr
Datasheet
1.R3J2R4E.pdf
(1 pages)
Specifications of R3J3R9E
Resistance
3.9 Ohms
Tolerance
5 %
Power Rating
3 Watts
Temperature Coefficient
+/- 260 PPM / C
Termination Style
Radial
Operating Temperature Range
+ 25 C to + 350 C
Dimensions
7.95 mm Dia. x 7.62 mm W x 11.13 mm L
Product
Power Resistors Wire Wound Vitreous Enamel
Lead Free Status / Rohs Status
Details
s P e C i F i C A T i O N s
Material
Core: Ceramic.
Coating: Vitreous enamel except
Terminals: Solder coated radial.
Derating: Linearly from
Note: Values above 3.9K (3W)
Electrical
Tolerance: ±5% (J)
Power rating: Based on 25°C free
Overload:
Temperature coefficient: ±260
To calculate max. amps: use the
Ohmite Mfg. Co.
o r d e r i n g i n f o r m a t i o n
for values above 4.7K (3W) and
7.5K (5W), which are supplied in
silicone-ceramic coatings.
#20 ga. tinned terminals require
0.046 in. (1.168 mm) holes (2).
RoHS solder composition is 96%
Sn, 3.5% Ag, 0.5% Cu
100% @ +25°C to 0% @
+350°C.
and 8.2K (5W) involve very fine
resistance wire and should not
be used in critical applications
without burn-in and/or thermal
cycling.
(other tolerances available).
air rating.
3 watt: 5 times rated wattage for
5 seconds.
5.25 watt: 10 times rated watt-
age for 5 seconds.
ppm/°C.
formula √P/R.
PC-58
Series
Wattage
R 5 J 1 K 0 E
Tolerance
J = 5%
1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
Compliant
RoHS
Ohm Value
Example:
1R0 = 1.0Ω
10R = 10.0Ω
250 = 250Ω
4K7 = 4,700Ω
F e A T u R e s
• Radial construction for direct
• Space saving radial terminals
• Flame resistant lead free vitre-
• RoHS compliant; add “E” suffix
insertion into printed circuit
boards; fit standard 0.10 inch
matrix boards with standard
0.046 inch diameter holes.
Provides a built in stand-off to
reduce board temperature.
reduce the total length require-
ment compared to axial terminal
resistors and increase packaging
density possibilities.
ous enamel coating.
to part number to specify.
10
15
18
20
22
25
30
40
50
1
1.5
2
2.4
3
3.9
5
5.1
5.6
7.5
Part No.
Prefix
Suffix
series
R3 (vitreous)
(silicone)
R5 (vitreous) 5.25
(silicone)
1R0
1R5
2R0
2R4
3R0
3R9
5R0
5R1
5R6
7R5
10R
15R
18R
20R
22R
25R
30R
40R
50R
Wattage
reached at 866-9-OHMiTe
Our friendly Customer
Wattage Ohms
service team can be
100
120
150
160
200
220
250
270
300
330
350
390
400
S t a n d a r d p a r t n u m b e r S f o r p c - 5 8 S e r i e S
3
51
56
68
75
82
Part No.
Prefix
Suffix
7.5K-20K
4K-10K
1-3.9K
1-7.4K
51R
56R
68R
75R
82R
100
120
150
160
200
220
250
270
300
330
350
390
400
Check product availability at
Wattage
0.438 / 11.13
0.625 / 15.88
Length
1000
1200
1300
1500
1800
2000
2200
2400
430
500
510
560
600
620
750
800
820
910
6.35 mm ± 0.794
Dimensions (in. / mm)
Part No.
Prefix
Suffix
0.25"±0.031
0.469 / 11.91 0.313 / 7.95 0.30 / 7.62
0.516 / 13.11 0.344 / 8.74
430
500
510
560
600
620
750
800
820
910
1K0
1K2
1K3
1K5
1K8
2K0
2K2
2K4
H ±0.031"
Wirewound for PC Board Applications
Height
www.ohmite.com
Wattage
10,000
12,000
15,000
20,000
2500
2700
3000
3300
3900
4700
5000
5600
6200
6800
7500
8200
9000
9100
A ±0.010"
Diam.
L ±0.016"
PC-58 Series
Part No.
Prefix
Suffix
Tubular Radial Terminal
2K5
2K7
3K0
3K3
3K9
4K7
5K0
5K6
6K2
6K8
7K5
8K2
9K0
9K1
10K
12K
15K
20K
0.50 /12.70
Wattage
Dim. A
0.031" min.
0.79 mm
= Standard values
Values above 3.9K
(3W) and 8.2K (5W)
involve very fine
resistance wire and
should not be used
in critical applica-
tions without burn-
in and/or thermal
cycling.
Values above 4.7K
(3W) and 7.5K (5W)
supplied in silicone-
ceramic coatings
instead of vitreous
enamel.
Voltage
max.
103
187
D
29
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