BGR, BWR, BSR
rectangular type wirewound resistors with glass core
rectangular type wirewound resistors with ceramic core
rectangular type metal oxide film resistors
resistors
features
EU
•
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
BWR1
BWR2
BWR3
BWR5
BWR7
BWR10
BWR15
BWR20
BGR5
BGR7
BGR10
BGR15
BGR20
BGR30
BGR40
BSR2
BSR3
BSR5
BSR7
BSR10
BSR15
BSR20
Power
Rating
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%
1~56
1~160
1~300
1~300
1~360
1~390
1~390
1~390
—
—
—
—
—
—
—
—
—
—
—
—
—
—
G±2%
0.22~75
0.22~200
0.22~390
0.22~390
0.22~390
0.22~390
0.22~390
0.22~390
—
—
—
—
—
—
—
—
—
—
—
—
—
—
J±5%
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
K±10%
—
—
—
—
—
—
—
—
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
—
—
—
—
—
—
—
S
1.3
2.1
3.9
5.1
7.5
10.2
18.8
23.3
—
—
—
—
—
—
—
2.1
3.9
5.1
7.4
10.2
18.8
23.3
N
—
3.9
5.9
7.2
10.8
15.0
—
—
—
—
—
—
—
—
—
3.8
5.9
7.2
10.8
15.0
—
—
E
—
—
—
5.7
—
—
—
—
—
—
—
—
—
—
—
—
—
5.7
—
—
—
—
P
—
—
—
5.6
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
X
Style & Weight (g/1 piece)
Y
YS
Z
—
—
—
—
—
—
—
—
7.6
9.1
11.4
20.5
24.0
—
—
—
—
7.6
9.1
11.4
20.5
24.0
H
—
—
—
—
—
—
—
—
—
—
9.9
18.4
21.9
59.3
70.4
—
—
—
—
10.9
18.4
21.9
Q
—
—
—
—
—
—
—
—
—
—
—
18.6
22.1
59.6
70.6
—
—
—
—
—
18.6
22.1
HA
—
—
—
—
—
—
—
—
—
—
13.6
24.4
27.9
73.9
85.0
—
—
—
—
13.7
24.4
27.9
HB
—
—
—
—
—
—
—
—
—
—
—
27.5
31.0
73.5
84.6
—
—
—
—
—
27.5
31.0
QA
—
—
—
—
—
—
—
—
—
—
—
24.6
28.1
74.2
85.2
—
—
—
—
—
24.6
28.1
QB
—
—
—
—
—
—
—
—
—
—
—
27.7
31.3
73.8
84.8
—
—
—
—
—
27.7
31.3
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
6.1 7.6 6.6
8.2 9.1 7.8
11.0 12.4 10.4
18.8 —
—
22.3 —
—
—
—
—
—
—
—
—
—
—
—
—
—
6.1 7.6 6.6
8.2 9.1 7.8
11.0 12.4 10.4
18.5 —
—
22.0 —
—
Type
BWR1
B R2
B R3
B R5
B R7
B R10
B R15
B R20
BGR30
BGR40
Power
Rating
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
—
—
Max. Overload Voltage
(V)
BGR,BWR
BSR
—
500
600
700
1000
E=√P•R•10
1400
1400
1500
—
—
T.C.R. (x10
-6
/K)
BWR
BSR
—
BGR
—
Rated
Operating
Ambient Temperature
Temperature
Range
+70°C
±100
±300
±250
+25°C
—
—
-40°C
to
+155°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.
12/19/17
212
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
BGR, BWR, BSR
rectangular type wirewound resistors with glass core
rectangular type wirewound resistors with ceramic core
rectangular type metal oxide film resistors
ordering information
BWR
Type
BGR: Wirewound (glass core)
BWR: Wirewound (ceramic core)
BSR: Metal oxide film
1
3
Power
Rating
See table
C
Termination
1
Material
C: SnCu
N
Style
Blank: S style
2
N: N style
E: E style
P: P style
X: X style
Y: Y style
YS: YS style
Z: Z style
H: H style
Q: Q style
HA: HA style
HB: HB style
QA: QA style
QB: QB style
100
Nominal
Resistance
+1%: 3 significant
figures + 1 multiplier
“R” indicates decimal
on values <100Ω
+2%, +5%, +10%:
2 significant figures
+ 1 multiplier “R”
indicates decimal on
values <10Ω
J
Tolerance
F: ±1%
G: ±2%
J: ±5%
K: ±10%
2
Lead-Free plated terminal symbols.
C (SnCu) N, E, S and P styles
T (Sn) X, Y, YS, Z, H and Q styles
No indication on style means S style.
T: Sn
dimensions and construction
S Style
Type
BWR1
BWR2, BSR2
BWR3, BSR3
BWR5, BSR5
BWR7, BSR7
BWR10, BSR10
BWR15, BSR15
BWR20, BSR20
63.5±1.5
L
13.0±1.0
18.0±1.5
22.0±1.5
35.0±1.5
48.0±1.5
12.5±1.2
12.5±1.5
12.5±1.2
12.5±1.5
Dimensions
millimeters
W
H
5.5±1.0
6.3±1.0
8.0±1.0
9.5±1.0
5.5±1.0
6.3±1.0
8.0±1.0
9.5±1.0
35.0±3.0
0.8±0.1
P
30.0±3.0
D
0.6±0.1
N Style
E Style
Type
BWR2N, BSR2N
BWR3N, BSR3N
BWR5N, BSR5N
BWR7N, BSR7N
BWR10N, BSR10N
BWR5E, BSR5E
W
11.0±1.0
12.0±1.0
13.0±1.0
16.0±1.0
9.5±1.0
Dimensions
millimeters
D
H
7.0±1.0
8.0±1.0
9.0±1.0
12.0±1.0
9.5±1.0
20.5±1.5
25.0±1.5
25.5±1.5
38.5±1.5
35.0±1.5
23.5±1.5
P
+2
5.0
-1
+2
7.5
-1
+2
5.0
-1
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
11/29/16
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
213
resistors
BGR, BWR, BSR
rectangular type wirewound resistors with glass core
rectangular type wirewound resistors with ceramic core
rectangular type metal oxide film resistors
resistors
dimensions and construction
(continued)
X Style (5W, 10W)
L
W
H
(15W, 20W)
1±0.5
L
H
W
Y Style
L
W
YS Style
L
W
H
15±1.5
10±
1
25±
1
2
P
t 0.4
P
3±0.2
2.7±0.2
1.0
7±0.5
5±0.3
4.5±0.5
10±0.5
P
0.5
1.6±0.2
1.4±0.2
7.5±0.3
P
7.3±0.5
0.5
4.5±0.5
1.6±0.1
1.4±0.1
0.7
0.75
1.6±0.2
0.85±0.1
0.75
1.4±0.2
4.5±0.5
0.85±0.1
Type
BGR5X, BSR5X, BGR5Y, BSR5Y, BGR5YS, BSR5YS
BGR7X, BSR7X, BGR7Y, BSR7Y, BGR7YS, BSR7YS
Dimensions
millimeters
L
W, H
P
27.0±1.5
35.0±1.5
9.5±1.0
15.0±1.5
22.5±1.5
35.0±1.5
32.5±1.5
47.5±1.5
Dimensions
millimeters
W
H
9.5±1.5
9.5±1.5
BGR10X, BSR10X, BGR10Y, BSR10Y, BGR10YS, BSR10YS
48.0±1.5
BGR15X, BSR15X
BGR20X, BSR20X
63.5±1.5
(P)
ø1±0.1
(5P,10P: ø0.8)
12.5±1.0
P Style
15±3
Type
BWR5P
L
23.0±1.5
10±
0.5
2
2
1
H
H
1
––
(P)
20
H
1
H
1
W
Parenthesized dimensions are for reference.
Please refrain from using these parts as a board-insertion type.
* Soldering only does not allow enough joint strength.
Additional fixation is recommended.
Dimensions
millimeters
L
W
H
27.0±1.5
35.0±1.5
48.0±1.5
63.5±1.5
12.5±1.0 12.5±1.0
9.5±1.0
9.5±1.0
Z Style (5W, 10W)
L
W
(15W, 20W)
1±0.5
L
H
W
1±0.5
H
Type
BGR5Z, BSR5Z
0.5
1.5
2±0.4
1.5±0.2
5.0
P
15.0
22.5
35.0
32.5
47.5
+6
-2
+6
-2
+6
-2
+4
-0
+4
-0
H
22±
30±
1
2
1
2
t 0.5
0.5
1.5±0.4
1±0.2
3.5
t 0.5
BGR7Z, BSR7Z
BGR10Z, BSR10Z
BGR15Z, BSR15Z
4.5±0.5
P
P
0.85±0.1
7.3±0.3
5±0.5
1.1±0.1
10±0.3
BGR20Z, BSR20Z
(P)
H Style
t
(P)
W
1
Q Style
H
1
t
W
1
R0.65
H
1
H
2
H
1±0.5
L
1
L
2
L
1
L
L
2
W
1±0.5
L
W
Type
BGR10H, BSR10H
BGR15H, BSR15H
BGR20H, BSR20H
BGR30H
BGR40H
BGR15Q, BSR15Q
BGR20Q, BSR20Q
L
48.0±1.5
63.5±2.0
L
1
25.0±1.0
L
1
4.5
7.0
10.0
7.0
W
9.5±1.0
12.5±1.2
19.0±1.5
12.5±1.2
W
1
5
6
7.5
4.75
Dimensions
millimeters
H
1
H
9.5±1.0
12.5±1.5
19.0±1.5
12.5±1.5
6.0
+2
-0
H
H
2
H
2
16.5
+2
-1
H
3
(P)
35
32.5
t
0.4
øh
1
2.0
2.5
+2
7.5
-0
+2
21.0
-1
––
47.5
56
71
0.5
3.0
––
75.0±2.5
40.0±1.2
90.0±2.5
48.0±1.5
63.5±2.0
25.0±1.0
10.0
+2
-0
30.0
+2.5
-1.5
+2
12.0
-0
+2
25.0
-1
6.35
32.5
47.5
Parenthesized dimensions are for reference.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
11/29/16
214
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
3.2
øh
1
H
3
BGR, BWR, BSR
rectangular type wirewound resistors with glass core
rectangular type wirewound resistors with ceramic core
rectangular type metal oxide film resistors
dimensions and construction
(continued)
HA, QA Style
HB, QB Style
Type
P
3
(P
2
)
(P
2
)
Dimensions
millimeters
P
3
(W
2
)
W
3
K
t
1
0.6
BGR10HA, BSR10HA
BGR15HA, BGR15HA, BGR15QA
BGR15HB, BSR15HB, BGR15QB
BSR15QA, BSR15QB
BGR20HA, BSR20HA, BGR20QA
BGR20HB, BSR20HB, BGR20QB
BSR20QA, BSR20QB
BGR30HA, BGR30HB
t
1
P
3
(P
2
)
ø4.2
(10W: ø4)
W
3
(W
2
)
8.0 6.0±1.0 12.0 3.0±0.3 2.8±0.3
0.8
W
3
t1
(W
2
)
K
ø4.2
K
BGR40HA, BGR40HB
10.0 8.0±1.0 18.0 3.0±0.3 3.0±0.3
Parenthesized dimensions are for reference.
Derating Curve
S Style
250
20w
15w
10w
7w
Measuring
Point
N Style
200
Temperature Rise (C°)
Measuring
Point
150
20w
15w
10w
7w
5w
3w
2w
E Style
A
Measuring
Point
Temperature Rise (C°)
200
Temperature Rise (C°)
200
Measuring
Point
Temperature Rise (C°)
B
200
A
B
150
5w
3w
2w
100
150
50
100
10w
7w
5w
3w
2w
150
100
100
0
50
50
100
Power Rating (%)
50
50
0
0
50
100
Power Rating (%)
50
100
Power Rating (%)
0
50
100
Power Rating (%)
X Style
200
Y Style
200
Temperature Rise (C°)
YS Style
200
Temperature Rise (C°)
Temperature Rise (C°)
150
Measuring
Point
10w
7w
5w
20w
15w
150
Measuring
Point
150
Measuring
Point
100
100
100
10w
7w
5w
50
50
10w
7w
5w
50
100
Power Rating (%)
50
0
50
100
Power Rating (%)
0
0
50
100
Power Rating (%)
Z Style
200
Temperature Rise (C°)
H, Q Style
100
1W~10W
Temperature Rise (C°)
Measuring
150 Point
100
20w
15w
10w
7w
5w
50
100
Power Rating (%)
Measuring
Point
300
% Percent rated power
80
200
40w
30w
20w
15w
10w
15W~40W
60
40
50
100
20
0
0
0
-40 -20
50
100
Power Rating
(%)
0 20
40
25
60
70
80 100 120 140 160 180 200 220 240 260 280
155
275
Ambient temperature (
°C)
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
11/21/17
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
215
resistors
BGR, BWR, BSR
rectangular type wirewound resistors with glass core
rectangular type wirewound resistors with ceramic core
rectangular type metal oxide film resistors
resistors
environmental applications
Performance Characteristics
Parameter
Resistance
T.C.R.
Resistance to Solder Heat
Requirement
∆
R ±%
Limit
Typical
Within regulated tolerance
Within specified T.C.R.
1%: BWR, BSR
2%: BGR
3%: BWR, BGR
5%: BSR
3%: BWR
5%: BGR, BSR
Test Method
25°C
+25°C/-55°C and +25°C/+125°C
350°C ± 10°C for 3.5 seconds
Power rating x 1/10, 40°C, 90 - 95% RH, 1000 hours,
1.5 hr ON, 0.5 hr OFF cycle
Rated voltage, 70°C, 1000 hours, 1.5 hours ON/
0.5 hours OFF cycle
—
—
0.8%: BWR
1.7%: BGR
0.9%: BSR
2.4%: BWR
2.55%: BGR
4.5%: BSR
2.4%: BWR
4.25%: BGR
4.5%: BSR
Moisture Resistance
Endurance @ 70°C
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
2/11/15
216
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
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