resistors
BPR
rectangular type metal plate resistors
EU
features
• Power type current detecting resistors
• Flame retardant resistors in ceramic case
• Automatic insertion for a 5mm pitch between
terminals is applicable (26 type, 58 type)
• Low inductance
• Space saving
• Marking: Alpha/numeric marking
• Products with lead-free terminations
meet EU RoHS requirements
dimensions and construction
Single Straight Style
Single Forming Style
Ceramic
Case
Cement
Ceramic
Case
Cement
Size
Code
Dimensions inches (mm)
B
C
d
A
C
P
.512±.04
(13.0±1.0)
.157±.04
(4.0±1.0)
.024±.04
(0.6±1.0)
.354±.04
(9.0±1.0)
BPR28
.335±.04
(8.5±1.0)
.512±.04
(13.0±1.0)
.157±.04
(4.0±1.0)
.031±.04
(0.8±1.0)
.354±.04
(9.0±1.0)
BPR38
.512±.04
(13.0±1.0)
.551±.04
(14.0±1.0)
.031±.04
(0.8±1.0)
.354±.04
(9.0±1.0)
BPR58
.709±.04
(18.0±1.0)
.551±.04
(14.0±1.0)
.031±.04
(0.8±1.0)
.354±.04
(9.0±1.0)
BPR108
.669±.06
(17.0±1.5)
1.02±.06
(26.0±1.5)
.031±.04
(0.8±1.0)
.787±.04
(20.0±1.0)
BPR55
.669±.06
(17.0±1.5)
1.02±.06
(26.0±1.5)
.031±.04
(0.8±1.0)
.394±.04
(10.0±1.0)
BPR77
Resistive Element
B
.335±.04
(8.5±1.0)
.787±.07
(20.0±1.8)
1.02±.06
(26.0±1.5)
.031±.04
(0.8±1.0)
.394±.04
(10.0±1.0)
BPR26
Resistive Element
B
C
C
A
A
8±1mm
5±1mm
d
13±1mm
P
Lead Wire
d
P
Lead Wire
Twin Style
Cement
Ceramic
Case
.197±.04
(5.0±1.0)
Resistive Element
B
Derating Curve
C
100
A
% Rated Power
80
d
8±1mm
5±1mm
P
P
Lead Wire
60
40
20
0
ordering information
New Part #
BPR
Type
For further information on
packaging, please refer to
Appendix C.
5
8
C
Power
Rating
2: 2W
3: 3W
5: 5W
10: 10W
55: 5W+5W
77: 7W+7W
Lead Wire
Diameter
6: ø0.6mm
8: ø0.8mm
Blank
Termination
Material
C: SnCu
-40
0
160
80
120
70
Ambient Temperature
(°C)
40
F
Packaging
Nil: Straight lead
F: Forming
FT: Radial taping
(BPR26FT,
BPR58FT only)
200
240
235
R10
Nominal
Resistance
2 significant figures
+1 multiplier. “R”
indicates decimal
on value <10Ω.
All values less than
0.1Ω are expressed
in mΩ with “L” as
decimal.
Ex: 20mΩ - 20L
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
148
J
Tolerance
J: ±5%
K: ±10%
7/23/08
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
