TECHNOLOGY OF TOMORROW
POWER TYPE RESISTORS
Revision: 5. Nov. 2004
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
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
Products with Pb-free terminations
meet RoHS requirements
WIREWOUND
RECTANGULAR TYPE
BWR • BGR
METAL OXIDE
RECTANGULAR TYPE
BSR
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
1Core
BGR : glass
BWR, BSR : ceramic
2Resistive element
BGR, BWR: : wirewound
BSR : metal oxide
3Steel cap (Cu, Sn plated)
4Lead wire
5Welding joint
6Special potting material
7Steatite ceramic case
8Marking
STRUCTURE
RATING
TYPE POWER
RATING* BWR
MAX.***
OVERLOAD
VOLTAGE
B R 1 1 W – – 200 V 400 V
B R 2 2 W 250 V 500 V
B R 3 3 W 300 V 600 V + 70°C
B R 5 5 W ± 100 ± 250 ± 300 350 V 700 V
B R 7 7 W 500 V 1000 V
B R 10 10 W 700 V 1400 V
B R 15 15 W
B R 20 20 W +25°C
B R 30 30 W ––
750 V 1500 V
B R 40 40 W
RATED
AMBIENT
TEMP.
MAX.**
WORKING
VOLTAGE
IDENTIFICATION
Alpha Numeric
(Type, Power Rating,
B R None (Ceramic) R-value, Tolerance,
Manufacturer and
Production Number)
PRODUCT CODE COATING COLOR MARKING
TYPE DESIGNATION (HOW TO ORDER)
BWR
PRODUCT CODE
BWR, BGR, BSR
10R
NOMINAL
RESISTANCE
F: 4 digits
G, J, K: 3 digits
STYLE
See below table
‘no indication’
means S-style
BWR 100
N
J
RESISTANCE
TOLERANCE
TERMINATION
SURFACE MATERIAL
C: SnCu (Lead)
T: Sn (Lug)
L: Sn/Pb
C
BA
PACKAGING
BA: Ammo
*
3
POWER
RATING
Unit: Watt
1…40
3J
RESISTANCE
TOLERANCE
F, G, J, K
N
*Please see “PACKAGING”
BGR BSR
T.C.R (ppm/K)
BWR 1 1 W 1 Ω... 56 Ω0.22 Ω... 75 Ω0.1 Ω... 75 Ω––––––––––●●–– ––
BWR 2 2 W 1 Ω... 160 Ω0.22 Ω... 200 Ω0.1 Ω... 200 Ω–●●––– –––––●●–– ––
BWR 3 3 W 1 Ω... 300 Ω0.22 Ω... 390 Ω0.1 Ω... 390 Ω–●●––– –––––●●–– ––
BWR 5 5 W 1 Ω... 300 Ω0.22 Ω... 390 Ω0.1 Ω... 390 Ω–●●●●–– ––●●––●●–– ––
BWR 7 7 W 1 Ω... 360 Ω0.22 Ω... 470 Ω0.1 Ω... 470 Ω–●●––– –––––●●–– ––
BWR 10 10 W 1 Ω... 560 Ω0.22 Ω... 750 Ω0.1 Ω... 750 Ω–●●––– –––––●●–– ––
BWR 15 15 W 1 Ω... 680 Ω0.22 Ω... 1 kΩ0.1 Ω... 1 kΩ––––––––––
●●–– ––
BWR 20 20 W 1 Ω... 680 Ω0.22 Ω... 1 kΩ0.1 Ω... 1 kΩ––––––––––
●●–– ––
BGR 2 2 W – – – 0.47 Ω... 330 Ω●●––– –––––●●–– ––
BGR 3 3 W – – – 0.39 Ω... 820 Ω●●––– –––––●●–– ––
BGR 5 5 W – – 10 Ω... 820 Ω0.39 Ω... 9.1 Ω●●●●●●●●●●●●●●––●●–– ––
BGR 7 7 W – – 10 Ω... 1.5 kΩ0.39 Ω... 9.1 Ω●●–●●●●●●●●–––●●–– ––
BGR 10 10 W – – 10 Ω... 2.2 kΩ0.39 Ω... 9.1 Ω●●–●●●●●●●●●●●●–●●●●–––
BGR 15 15 W – – 10 Ω... 2.2 kΩ0.51 Ω... 9.1 Ω––
●●––●●●●●●●●●●●●●●●●●●
BGR 20 20 W – – 10 Ω... 2.2 kΩ0.51 Ω... 9.1 Ω––●●––●●–●●●●●●●●●●●●●●
BGR 30 30 W – – 10 Ω... 3.3 kΩ2.2 Ω... 9.1 Ω–––– ––●●●●––●●●●––
BGR 40 40 W – – 10 Ω... 3.3 kΩ2.2 Ω... 9.1 Ω–––– –––●●––●●●●––
BSR 2 2 W – – 220 Ω... 13 kΩ–●●––– –––––●●–– ––
BSR 3 3 W – – 220 Ω... 27 kΩ–●●––– –––––●●–– ––
BSR 5 5 W – – 220 Ω... 39 kΩ–●●●●●●●●●●●●–––●●–– ––
BSR 7 7 W – – 220 Ω... 56 kΩ–●●–●●●●●●●●–––●●–– ––
BSR 10 10 W – – 220 Ω... 75 kΩ–●●–●●●●●●●●–●●–●●●●–––
BSR 15 15 W – – 470 Ω... 56 kΩ–––
●●––●●–●●–●●●●●●––
BSR 20 20 W – – 470 Ω... 56 kΩ–––
●●––●●–●●–●●●●●●––
RESISTANGE RANGE AND TOLERANCE • E24 STYLE
K(10%) N E X Y YS Z P H Q S HA HB QA QB
TYPE POWER
RATING* F(±1%) G(±2%) J(±5%)
RATING
*For resistors operated in higher ambient temperature than rated, power rating shall be derated like shown in “DERATING CURVE” on page 143.
POWER TYPE
RESISTORS
Old Part No.
New Part No.
(Pb-free)
**BGR/BWR: E = kP·R ***BGR/BWR: E = kP·R10
POWER TYPE RESISTORS
TECHNOLOGY OF TOMORROW
Revision: 5. Nov. 2004
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
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
DIMENSIONS (mm)
TYPE L W l ± 3
B R 1 13 ± 1.0 5.5 ± 1.0 5.5 ± 1.0 30 0.6
B R 2 18 ± 1.5 6.3 ± 1.0 6.3 ± 1.0
B R 3 22 ± 1.5 8.0 ± 1.0 8.0 ± 1.0
B R 5
B R 7 35 ± 1.5 9.5 ± 1.0 9.5 ± 1.0 35 0.8
B R 10 48 ± 1.5
B R 15 12.5 ± 1.2 12.5 ± 1.2
B R 20 63.5 ± 1.5 12.5 ± 1.5 12.5 ± 1.5
d ± 0.1
H
N STYLE E STYLE
S STYLE
X STYLE
Z STYLE
Y STYLE YS STYLE
DIMENSIONS (mm)
TYPE LW • H
B R 5 X
B R 5 Y 27 ± 1.5 15 ± 1.5
B R 5 YS
B R 5 Z 15
B R 7 X
B R 7 Y 35 ± 1.5 22.5 ± 1.5
B R 7 YS 9.5 ± 1.0
B R 7 Z 22.5
B R 10 X
B R 10 Y 35 ± 1.5
B R 10 YS 48 ± 1.5
B R 10 Z 35
B R 15 X 32.5 ± 1.5
B R 15 Z 12.5 ± 1.0 32.5
B R 20 X 63.5 ± 1.5 47.5 ± 1.5
B R 20 Z 47.5
P
DIMENSIONS (mm)
TYPE W ± 1 D ± 1 P
B R 2 N 11 7 20.5
B R 3 N 12 8 25.0 5
B R 5 N 13 9 25.5
B R 7 N 38.5
B R 10 N 16 12 35.0 7.5
B R 5 E 9.5 9.5 23.5 5
H ± 1.5 +2
-1
WIREWOUND
RECTANGULAR TYPE
BWR • BGR
METAL OXIDE
RECTANGULAR TYPE
BSR
+6
-2
+4
-0
: G, W, S
: G, W, S
: G, W, S
+6
-2
Stick package (magazine) is available for 2N type
+6
-2
+4
-0
POWER TYPE
RESISTORS
TECHNOLOGY OF TOMORROW
POWER TYPE RESISTORS
Revision: 5. Nov. 2004
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
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
WIREWOUND
RECTANGULAR TYPE
BWR • BGR
DIMENSIONS (mm)
TYPE LW±1.5 H1±0.5
B R5 P 23±1.5 9.5 9.5 – 20
B R10 P 48±1.5 9.5 9.5 6.5 44
B R15 P 48±1.5 12.5 12.5 7 44
B R30 P 75±2.5 19 19 10 67
P(ref.)
H±1.5
METAL OXIDE
RECTANGULAR TYPE
BSR
P STYLE
H STYLE
Q STYLE
HB • QB STYLE
HA • QA STYLE DIMENSIONS (mm)
TYPE P2 (ref.) W2 (ref.) K±0.3
B R10 HA 0.6
B R15 HA • B R15 QA
B R15 HB • B R15 QB 8.0 6 12 3.0 2.8
B R20 HA • B R20 QA
B R20 HB • B R20 QB
B R30 HA
B R30 HB 10 8 18 3.0 3.0 0.8
B R40 HA
B R40 HB
t1
W3±0.3
P3 ±1
DIMENSIONS (mm)
TYPE W1H2(P)
BGR15 Q 48±1.5 25±1 7
12.5±1.2
4.75
12.5±1.2 12 21
6.35 32.5 0.5
BGR20 Q 63.5±2 47.5
t
H3
H1
HL L1W
L2
DIMENSIONS (mm)
TYPE W1H2t
B R10 H 48±1.5 4.5
9.5±1.0
5
9.5±1.0 6 16.5
35 0.4 2.0
B R15 H 25±1 32.5 2.5
B R20 H 63.5±2 71
2.5±1.2 6 12.5±1.2
7.5 21 47.5 0.5
B R30 H 75±2.5 40±1.2 10 19±1.5 7.5 19±1.5 10 30 56
B R40 H 90±2.5 71 3.0
øh1
P(ref.)
H1
HL L1W
L2
+2
- 0
+2
- 1
+2
- 0
+2
- 1
+2
- 0
+ 2.5
- 1,5
+2
- 0
+2
- 1
: G, W, S
: G, W, S
: G, W, S
For dimensions, pitch, etc. please refer to H & Q-Styles
POWER TYPE
RESISTORS
POWER TYPE RESISTORS
TECHNOLOGY OF TOMORROW
Revision: 5. Nov. 2004
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
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
WIREWOUND
RECTANGULAR TYPE
BWR • BGR
METAL OXIDE
RECTANGULAR TYPE
BSR
N STYLE E STYLE
TEMPERATURE RISE (REFERENCE)
DERATING CURVE
X STYLE
Y STYLE YS STYLE Z STYLE
S STYLE P STYLE H STYLE
POWER TYPE
RESISTORS
