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BWR3CR12J

Description
Fixed Resistor, Wire Wound, 3W, 0.12ohm, 300V, 5% +/-Tol, 100ppm/Cel, Through Hole Mount, 8732, AXIAL LEADED, ROHS COMPLIANT
CategoryPassive components    The resistor   
File Size201KB,4 Pages
ManufacturerKOA Speer
Websitehttp://www.koaspeer.com/
Environmental Compliance
Download Datasheet Parametric View All

BWR3CR12J Overview

Fixed Resistor, Wire Wound, 3W, 0.12ohm, 300V, 5% +/-Tol, 100ppm/Cel, Through Hole Mount, 8732, AXIAL LEADED, ROHS COMPLIANT

BWR3CR12J Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerKOA Speer
package instructionAxial,
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresFLAME PROOF
structureRectangular
JESD-609 codee2
Lead diameter0.8 mm
Lead length35 mm
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature155 °C
Minimum operating temperature-40 °C
Package height8 mm
Package length22 mm
Package formAxial
Package width8 mm
Rated power dissipation(P)3 W
Rated temperature70 °C
resistance0.12 Ω
Resistor typeFIXED RESISTOR
surface mountNO
technologyWIRE WOUND
Temperature Coefficient100 ppm/°C
Terminal surfaceTin/Copper (Sn/Cu)
Terminal shapeWIRE
Tolerance5%
Base Number Matches1
POWER TYPE RESISTORS
TECHNOLOGY OF TOMORROW
WIREWOUND
METAL OXIDE
STRUCTURE
1
Core
BGR
: glass
BWR, BSR : ceramic
2
Resistive element
BGR, BWR: : wirewound
BSR
: metal oxide
3
Steel cap (Cu, Sn plated)
4
Lead wire
5
Welding joint
6
Special potting material
7
Steatite ceramic case
8
Marking
Products with Pb-free terminations
meet RoHS requirements
RECTANGULAR TYPE RECTANGULAR TYPE
BWR • BGR
BSR
POWER TYPE
RESISTORS
IDENTIFICATION
PRODUCT CODE
COATING COLOR
MARKING
Alpha Numeric
(Type, Power Rating,
R-value, Tolerance,
Manufacturer and
Production Number)
B
R
None (Ceramic)
TYPE DESIGNATION (HOW TO ORDER)
Old Part No.
New Part No.
(Pb-free)
BWR
BWR
PRODUCT CODE
BWR, BGR, BSR
*
N
C
N
STYLE
See below table
‘no indication’
means S-style
3
3
POWER
RATING
Unit: Watt
1…40
J
BA
10R
100
J
RESISTANCE
TOLERANCE
F, G, J, K
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
TERMINATION
SURFACE MATERIAL
C: SnCu (Lead)
T: Sn (Lug)
L: Sn/Pb
RESISTANCE
TOLERANCE
PACKAGING
BA: Ammo
*Please see “PACKAGING”
NOMINAL
RESISTANCE
F: 4 digits
G, J, K: 3 digits
FEATURES
Resistors for high power ratings (up to 40 W)
High power wirewound resistors available in tolerance ±1%
Flame retardant resistors with ceramic case
BGR = Rectangular wirewound resistor with glass core
BWR = Rectangular wirewound resistor with ceramic core
BSR = Rectangular metal oxide film resistor on ceramic core
Rated ambient temperature: +25°C / +70°C
Operating temperature range: -40°C ... + 155°C
RATING
TYPE
B
B
B
B
B
B
B
B
B
B
R1
R2
R3
R5
R7
R 10
R 15
R 20
R 30
R 40
POWER
RATING*
1W
2W
3W
5W
7W
10 W
15 W
20 W
30 W
40 W
T.C.R (ppm/K)
BWR
BGR
BSR
MAX.***
MAX.**
WORKING OVERLOAD
VOLTAGE
VOLTAGE
RATED
AMBIENT
TEMP.
± 100
± 250
± 300
200 V
250 V
300 V
350 V
500 V
700 V
400 V
500 V
600 V
700 V
1000 V
1400 V
+ 70°C
***BGR/BWR: E =
kP·R10
750 V
1500 V
+25°C
RATING
TYPE
BWR 1
BWR 2
BWR 3
BWR 5
BWR 7
BWR 10
BWR 15
BWR 20
BGR 2
BGR 3
BGR 5
BGR 7
BGR 10
BGR 15
BGR 20
BGR 30
BGR 40
BSR 2
BSR 3
BSR 5
BSR 7
BSR 10
BSR 15
BSR 20
**BGR/BWR: E =
kP·R
POWER
RATING*
1W
2W
3W
5W
7W
10 W
15 W
20 W
2W
3W
5W
7W
10 W
15 W
20 W
30 W
40 W
2W
3W
5W
7W
10 W
15 W
20 W
RESISTANGE RANGE AND TOLERANCE • E24
F(±1%)
1
Ω...
56
1
Ω...
160
1
Ω...
300
1
Ω...
300
1
Ω...
360
1
Ω...
560
1
Ω...
680
1
Ω...
680
STYLE
N
G(±2%)
0.22
Ω...
75
0.22
Ω...
200
0.22
Ω...
390
0.22
Ω...
390
0.22
Ω...
470
0.22
Ω...
750
0.22
Ω...
1 kΩ
0.22
Ω...
1 kΩ
J(±5%)
0.1
... 75
0.1
... 200
0.1
Ω...
390
0.1
Ω...
390
0.1
Ω...
470
0.1
Ω...
750
0.1
Ω...
1 kΩ
0.1
Ω...
1 kΩ
10
Ω...
820
10
Ω...
1.5 kΩ
10
Ω...
2.2 kΩ
10
Ω...
2.2 kΩ
10
Ω...
2.2 kΩ
10
Ω...
3.3 kΩ
10
Ω...
3.3 kΩ
220
Ω...
13 kΩ
220
Ω...
27 kΩ
220
Ω...
39 kΩ
220
Ω...
56 kΩ
220
Ω...
75 kΩ
470
Ω...
56 kΩ
470
Ω...
56 kΩ
K(10%)
0.47
Ω...
330
0.39
Ω...
820
0.39
Ω...
9.1
0.39
Ω...
9.1
0.39
Ω...
9.1
0.51
Ω...
9.1
0.51
Ω...
9.1
2.2
Ω...
9.1
2.2
Ω...
9.1
E
X
Y
YS Z
P
H
Q
● ●
● ● ● ●
● ●
● ●
● ● ●
● ●
● ● ●
● ●
– –
● ● ● ●
● ●
● ●
● ●
● ●
● ●
S HA HB QA QB
– – – –
– – – –
– – – –
– – – –
– – – –
– – – –
– – – –
– – – –
– – – –
– – – –
– – – –
– – – –
● ●
– – –
● ● ● ● ●
● ● ● ● ●
● ●
– –
● ●
– –
– – – –
– – – –
– – – –
– – – –
● ●
– – –
● ● ●
– –
● ● ●
– –
*For resistors operated in higher ambient temperature than rated, power rating shall be derated like shown in “DERATING CURVE” on page 143.
EUROPE GmbH • Kaddenbusch 6 • D-25578 Dägeling / ITZEHOE • PHONE: +49 (0) 48 21 / 89 89-0 • FAX: +49 (0) 48 21/ 89 89 89 • Internet: www.koaeurope.de
Revision: 5. Nov. 2004
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