SPR
resistors
power carbon film leaded resistor
features
•
•
•
•
•
Fixed metal film resistor available (specify “SPRX”)
Flameproof silicone coating (UL94V0)
High reliability performance
Suitable for automatic machine insertion
Marking: Light green body color
Color-coded bands on 1/2W - 1W
Alpha-numeric black marking on 2W - 5W
dimensions and construction
D
L
Ceramic Body
l
Type
d
SPR1/4
SPRX1/4
SPR1/2
SPRX1/2
Marking
Flame Retardant Coating
C
End
Cap
Lead
Wire
SPR1
SPRX1
SPR2
SPRX2
SPR3
SPRX3
SPR5
SPRX5
L
.13±.012
(3.3±0.3)
.244±.02
(6.2±0.5)
.354±.039
(9.0±1.0)
.472±.039
(12.0±1.0)
.610±.039
(15.5±1.0)
.965±.039
(24.5±1.0)
Dimensions
inches
(mm)
C (max.)
D
d
.138
(3.5)
.280
(7.1)
.437
(11.1)
.591
(15.0)
.709
(18.0)
1.10
(28.0)
l
.067±.012 .018±.002 .787 Min.
(1.7±0.3) (0.45±0.05) (20.0 Min.)
.098±.02
(2.5±0.5)
.138±.02
(3.5±0.5)
.024±.002
(0.6±0.05)
.945 Min.
(24.0 Min.)
.165±.031
(4.2±0.8)
.031±.002
.236±.039
(0.8±0.05)
1.18±.118
(30.0±3.0)
(6.0±1.0)
.354±.039
(9.0±1.0)
1.50±.118
(38.0±3.0)
ordering information
New Part #
SPR
Type
SPR
SPRX
1/2
Power
Rating
1/4: 0.25W
1/2: 0.5W
1: 1W
2: 2W
3: 3W
5: 5W
C
Termination
Material
C: SnCu
L: SnPb
T52
Taping and Forming
Axial: T26, T52, T521, T631
Stand-off Axial: L52, L521, L631
Radial: VT, VTP, VTE, GT
L, U, M Forming
R
Packaging
A: Ammo
R: Reel
103
Nominal
Resistance
±2%, ±5%: 2 significant
figures + 1 multiplier
“R” indicates decimal
on value <10Ω
±1%: 3 significant
figures + 1 multiplier
“R” indicates decimal
on value <100Ω
J
Tolerance
F: ±1%
G: ±2%
J: ±5%
For further information
on packaging, please
refer to Appendix C.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
1/04/05
92
KOA Speer Electronics, Inc.
• Bolivar Drive • P Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
.O.
SPR
power carbon film leaded resistor
applications and ratings
Part
Designation
SPR1/4
SPR1/2
SPR1
SPR2
SPR3
SPR5
SPRX1/4
SPRX1/2
SPRX1
SPRX2
SPRX3
SPRX5
Power
Rating
@ 70°C
0.25W
0.5W
1W
2W
3W
5W
0.25W
0.5W
1W
2W
3W
5W
Minimum
Dielectric
Withstanding
Voltage
300V
500V
700V
800V
300V
500V
0.1Ω - 2.0Ω
700V
800V
—
—
0.1Ω - 2.0Ω
E =
√
P x R
E x 2.5
T.C.R.
(ppm/°C)
±350
2.2Ω - 10KΩ
2.2Ω - 91KΩ
2.2Ω - 110KΩ
2.2Ω - 130KΩ
2.2Ω - 220KΩ
T.C.R.
(ppm/°C)
+350 to -600
—
≥100KΩ
≥120KΩ
≥150KΩ
≥240KΩ
Resistance Resistance
Range
Range
E-24
E-24
(F±1%, G±2%)
(J±5%)
—
2.2Ω - 10KΩ
2.2Ω - 240KΩ
2.2Ω - 330KΩ
10Ω - 100KΩ 2.2Ω - 510KΩ
2.2Ω - 750KΩ
2.2Ω - 1.0MΩ
600V
1200V
-55°C
to
+200°C
500V
1000V
Absolute
Maximum
Working
Voltage
250V
400V
Absolute
Maximum
Overload
Voltage
500V
800V
Operating
Temperature
Range
resistors
environmental applications
Derating Curve
100
Temperature Rise (°C)
80
% Rated Power
60
40
20
0
-60 -40 -20 0 20 40 60 80 100 120 140 160 180 200 220 240
-55
70
235
Ambient Temperature
(°C)
Surface Temperature Rise
250
200
150
100
50
0
SPR1
SPR1/2
SPR1/4
0
25
50
75
100
SPR5
SPR3
SPR2
Load Life @ 70°C, 1000 Hr
+4
+2
∆
R/R (%)
SPRX1
SPR1
0
-2
-4
0.1
12
10
100
1k
10k
100k 330k
% Rated Power
Resistance
(Ω)
Performance Characteristics
Parameter
Short Time Overload
Resistance to Solder Heat
Temperature Cycling
Moisture Resistance
Load Life
Vibration
Terminal Strength (Load Pull)
±1.0%
Requirement
±5.0%, ±3.0% (1/4W - 2W)
±1.0%
5 # Minimum
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
11/01/03
KOA Speer Electronics, Inc.
• Bolivar Drive • P Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
.O.
93
嵌入式系统
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
