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B20J3R0E

Description
Wirewound Resistors - Through Hole 20watt 3ohm 5% Axial
CategoryPassive components    The resistor   
File Size249KB,2 Pages
ManufacturerOhmite
Websitehttps://www.ohmite.com
Environmental Compliance
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Wirewound Resistors - Through Hole 20watt 3ohm 5% Axial

B20J3R0E Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
package instructionAxial,
Reach Compliance Codecompliant
ECCN codeEAR99
structureAll-Welded
JESD-609 codee3
Lead diameter1.02 mm
Lead length38.1 mm
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature350 °C
Package diameter11.11 mm
Package length50.8 mm
Package shapeTUBULAR PACKAGE
Package formAxial
Rated power dissipation(P)20 W
Rated temperature25 °C
resistance3 Ω
Resistor typeFIXED RESISTOR
surface mountNO
technologyWIRE WOUND
Temperature Coefficient400 ppm/°C
Terminal surfaceTin (Sn)
Terminal shapeWIRE
Tolerance5%
Operating Voltage750 V
Base Number Matches1
200 Series
Brown Devil® Vitreous Enamel Power
Ohmite’s Brown Devil® is a small, exceptionally
durable power resistor. It features all-welded con-
struction and rugged, flame resistant conformal lead
free vitreous enamel coating to ensure successful
performance under high temperatures.
The wirewound 200 Series has a hollow-core con-
struction, which accommodates rigid mounting with
brackets or thru bolts.
Mounting brackets not included with resistors.
F e at u r e S
• Rugged lead free vitreous enamel coating
• All-welded construction.
• Self supporting terminal mounting option.
• Higher power ratings.
• Flame-resistant lead free vitreous enamel coating.
• RoHS compliant product available. Add “E” suffix to
part number to specify.
S e r i e S S P e c i F i c at i O N S
Series
B5
B8
B12
B20
Non-Inductive versions available. Insert “N” before tolerance code.
Example:
B5NJ10RE
Also available in low cost Centohm or Silicone coating. Consult Ohmite.
* Maximum Voltage is based on Ohm’s Law [V=√P*R] as limited by the resis-
tance value of specified product
Wattage
Ohms
Lead Gauge Max. Voltage*
5.25
0.1-20K
20
187
8.0
0.03-25K
18
250
12.0
0.08-51K
18
625
20.0
0.1-100K
18
750
characteriSticS
Coating
lead-free vitreous enamel
Core
Ceramic
Tolerance
1Ω+: ±5%
under 1Ω: ±10%
Power rating
Based on 25°C free air rating
Terminals
Tinned axial; RoHS solder composition is 96% Sn, 3.5%
Ag, 0.5% Cu
Derating
Linearly from 100% @ +25°C to 0% @ +350°C
Temperature coefficient
5Ω and under: ±400 ppm/°C
Above 5Ω: ±260 ppm/°C
Max. amps
To calculate, use the formula √P/R
Overload
10 times rated wattage for 5 seconds
(continued)
82
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
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