resistors
BGR, BWR, BSR
rectangular type wirewound resistors with glass core
rectangular type wirewound resistors with ceramic core
rectangular type metal oxide film resistors
EU
features
• High Power Resistors
• Uses flame-retardant insulated ceramic case
• Products with lead-free terminations meet
EU RoHS requirements. EU RoHS regulation
is not intended for Pb-glass contained in electrode,
resistor element and glass.
• Excellent in anti-pulse and in rush current
applications and ratings
Type
Power
Rating
BWR1
BWR2
BWR3
BWR5
BWR7
BWR10
BWR15
BWR20
BGR5
BGR7
BGR10
BGR15
BGR20
BGR30
BGR40
BSR2
BSR3
BSR5
BSR7
BSR10
BSR15
BSR20
1W
2W
3W
5W
7W
10W
15W
20W
5W
7W
10W
15W
20W
30W
40W
2W
3W
5W
7W
10W
15W
20W
Resistance Range (Ω) E24
F±1%
G±2%
J±5%
K±10%
N
E
1 - 56
1 - 160
1 - 300
1 - 300
1 - 360
1 - 390
1 - 390
1 - 390
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.22 - 75
0.22 - 200
0.22 - 390
0.22 - 390
0.22 - 390
0.22 - 390
0.22 - 390
0.22 - 390
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.1 - 75
0.1 - 200
0.1 - 390
0.1 - 390
0.1 - 390
0.1 - 390
0.1 - 390
0.1 - 390
10 - 390
10 - 390
10 - 390
10 - 390
10 - 390
10 - 390
10 - 390
430 - 13k
430 - 27k
430 - 39k
430 - 56k
430 - 75k
430 - 56k
430 - 56k
—
—
—
—
—
—
—
—
0.39 - 9.1
0.39 - 9.1
0.39 - 9.1
0.51 - 9.1
0.51 - 9.1
2.2 - 9.1
2.2 - 9.1
—
—
—
—
—
—
—
—
3.2
6.0
6.6
10.0
15.2
—
—
—
—
—
—
—
—
—
3.2
6.0
6.6
10.0
15.2
—
—
—
—
—
5.7
—
—
—
—
—
—
—
—
—
—
—
—
—
5.7
—
—
—
—
Power
Rating
Type
BWR1
B R2
B R3
B R5
B R7
B R10
B R15
B R20
BGR30
BGR40
Style & Weight (g/1 piece)
1W
2W
3W
5W
7W
10W
15W
20W
30W
40W
Max. Working Voltage
(V)
BSR
BGR,BWR
—
250
300
350
500
E=√P•R
700
700
750
—
—
X
Y
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
6.5 7.2
8.3 9.0
11.5 12.0
18.0 —
23.0 —
—
—
—
—
—
—
—
—
6.5 7.2
8.3 9.0
11.5 12.0
18.0 —
23.0 —
Max. Overload Voltage
(V)
BGR,BWR
BSR
—
500
600
700
1000
E=√P•R•10
1400
1400
1500
—
—
YS
Z
P
—
—
—
—
—
—
—
—
6.8
8.5
11.7
—
—
—
—
—
—
6.8
8.5
11.7
—
—
—
—
—
—
—
—
—
—
6.5
8.3
12.0
18.5
24.0
—
—
—
—
6.5
8.3
12.0
18.5
24.0
—
—
—
5.6
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
H
Q
T.C.R. (x10-6/K)
BWR
BSR
—
S
HA
—
—
1.3
—
—
—
2.1
—
—
—
3.7
—
—
—
5.7
—
—
—
7.7
—
—
— 11.3 —
—
— 18.3 —
—
— 22.5 —
—
—
—
—
—
—
—
—
10.8 —
— 14.5
16.5 16.8 — 22.5
22.0 22.2 — 28.0
59.6 —
— 73.5
69.6 —
— 83.5
—
—
2.1
—
—
—
3.7
—
—
—
5.7
—
—
—
7.7
—
10.8 — 11.3 14.5
16.5 — 18.5 22.5
22.0 — 22.5 28.0
BGR
HB
QA
QB
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
25.5 22.8
31.0 28.2
83.8 —
93.8 —
—
—
—
—
—
—
—
—
—
—
25.5 —
31.0 —
—
—
—
—
—
—
—
—
—
—
—
25.8
31.2
—
—
—
—
—
—
—
—
—
Rated
Operating
Ambient Temperature
Temperature
Range
—
+70°C
±100
±300
-40°C
to
+155°C
±250
+25°C
—
—
Rated voltage= √Power Rating × Resistance value or Max. working voltage, whichever is lower.
Represents the space to designate product type via character G, W, or S.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
144
1/30/11
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com