leaded
resistors
RCR
anti-surge power type leaded resistor
EU
features
Excellent anti-surge characteristics
Stable characteristics of moisture resistance
up to high resistance range
RCR50 +(1M - 12M), RCR50EN (1M - 12M) and
RCR60 (1M - 12M) are discharge resistors recognized
by UL1676 and c-UL(CSA-C22.2 No.1-M94)
RCR25EN (100k~33M), RCR50EN (100k - 33M) and
RCR60 (100k - 56M) is approved by EN6234-68-1 G.10 safety
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.
Surface mount style N forming is suitable for automatic mounting
dimensions
Dimensions inches (mm)
Type L C (max.) t (max.) D d (nom.) l*
and construction
+.008
.067
-.004
.126.008 .134 .018
L l
RCR16
+0.2
(3.20.2) (3.4) (0.45)
(1.7 )
t Trimming Line Ceramic Core t
-0.1
RCR25 .248.02 .28 .098.02 .024
d
D
RCR25EN (6.30.5) (7.1) (2.50.5) (0.6)
RCR50(+) .374.039
RCR50EN (9.51.0)
.118 .138.016 .028 .787 Min.
+.039
.374
(3.0) (3.50.4) (0.7) (20.0 Min.)
-.004
Marking Resistive End Lead
RCR60
+1.0
Film Cap Wire
(9.5 )
-0.2
Flame Retardant Coating
.472.039 .118 .157.02 .031
RCR75
C
(121.0) (3.0) (4.00.5) (0.8)
+.039
* Lead length changes depending on taping and forming.
.236
.610.039 .118 -.016 .031
RCR100
+1.0
(15.51.0) (3.0) (0.8)
(6.0 )
-0.4
ordering information
RCR 50 EN C T52 A 105 J
Power Safety Appr. Termination Nominal
Type Taping and Forming Packaging Tolerance
Rating Marking Material Resistance
16: 0.25W RCR16: T26, T52 2 significant
RCR RCR50+: + C: SnCu A: Ammo F: 1%
figures + 1
25: 0.25W
RCR25, RCR25EN: T26,
RCR25EN, R: Reel J: 5%
multiplier for 5%
T52
50: 0.5W
RCR50EN: EN
TEB: Plastic
3 significant
RCR50(+, EN): T52
60: 1W
Blank: Others embossed:
figures + 1
75: 2W RCR60: T52
N forming
multiplier for 1%
100: 3W RCR75: T52
RCR100: T521, T631
L, M, N Forming
applications and ratings
Minimum Resistance Resistance Absolute Absolute
Power Operating
Part Dielectric Range Range Maximum Maximum
Rating Temperature
Designation Withstanding E-24, E-96 E-24 Working Overload
@ 70C Range
Voltage (F1%) (J5%) Voltage Voltage
RCR16 300V 100k - 5.1M 100k - 5.1M 500V 1000V
0.25W
RCR25 DC 1600V DC 2000V
100k - 9.1M 100k - 33M
RCR25EN AC 1150V AC 1500V
3.3 - 910k
RCR50 3.3 - 910k
13M - 33M
700V
0.5W
2000V 2500V -55C to +155C
RCR50+ 1M - 9.1M 1M - 12M
RCR50EN 100k - 9.1M 100k - 33M
RCR60 1.0W 100k - 9.1M 100k - 56M 4000V
RCR75 2.0W 100k - 9.1M 100k - 100M 5000V
5000V
RCR100 3.0W 1000V 100k - 9.1M 100k - 51M
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. 10/29/18
172 KOA Speer Electronics, Inc. 199 Bolivar Drive Bradford, PA 16701 USA 814-362-5536 Fax: 814-362-8883 www.koaspeer.com
RCR
anti-surge power type leaded resistor
environmental applications
Derating Curve Notice of Surge Load
Surge withstanding load voltage for the resistors cannot be guaranteed when the
100
undermentioned 4 items get to a remarkable overload in comparison with the
conditions shown by surge withstanding voltage in Anti-surge characteristics.
80
Please contact KOA in advance if such a case is anticipated.
10kV
60
1. Peak voltage to be applied
2. Pulse width
40
3. Conditions of protecting insulation around the resistor
Discharge About 5mm
4. Situation of proximity conductivity object
20
Metal Wire
For example: In the figure, a metal wire is placed
0
less than 5mm away from the resistor body, there is such a case that causes an
-60 -40 -200420060 80 100 120 140 160
-55 70 155 electric discharge by a surge load 10kV and then destroys the outer coating.
Ambient Temperature
(C)
Approvals Awarded
For resistors operated at an ambient temperature
UL1676 & c-UL
EN60065 14.1 EN62368-1
of 70C or above, a power rating shall be derated
(CSA-C22.2 No.1-M94)
G.10
Type Test a Test b
in accordance with the above derating curve.
RCR25EN m m
RCR50+
m(1M~12M)
RCR50EN m m m
RCR60
m m m
Performance Characteristics
Requirement R (% + 0.05 )
Parameter Limit Typical Test Method
Resistance Within regulated tolerance Measuring points are 10mm 1mm from the end cap
Type T.C.R. Resistance Range
RCR16 200ppm/C 100k - 5.1M
RCR25 (EN) 350ppm/C 100k - 33M
500ppm/C 3.3 - 91k
RCR50 (+)
T.C.R. 350ppm/C 100k - 33M +25C/+125C
RCR50EN 350ppm/C 100k - 33M
RCR60 350ppm/C 100k - 56M
RCR75 350ppm/C 100k - 100M
RCR100 200ppm/C 100K - 51M
Rated voltage x 2.5 or maximum overload voltage
Overload 1% 0.5%
for 5 seconds, whichever is less
260C 5C, 10 seconds 1 second or 350C 10C,
Resistance to Solder Heat 1% 0.5%
3.5 seconds 0.5 seconds
Terminal Strength No mechanical damage Twist 360, 5 times
Rapid Change of Temperature 1% 0.5% -55C (30 minutes)/+155C (30 minutes), 5 cycles
40C 2C, 90-95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
Moisture Resistance 5% 2.5%
RCR16, 25, 50 (+), 60: W; RCR75, 100: Wx0.1
Endurance @ 70C 5% 2.5% 70C 2C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
No visible damage to protective coating Isopropyl alcohol with ultrasonic washing, 2 minutes
Resistance to Solvent
2
and marking Power: 0.3W/cm , f: 28kHz, Temperature: 35C 5C
Discharge test: 2kV - 10kV, 0.01F capacitor discharge
pulse, 10 times (1 pulse/5 seconds maximum)
RCR50EN,
RCR25
RCR60, RCR75,
Type RCR16 RCR50, RCR50+
RCR25EN
RCR100
3.3 - 6.2: 10kV
Surge Withstanding 10% 2.5%
6.8 - 10: 7kV
Applied
2kV 3kV 11 - 9.1k: 5kV 10kV
Voltage
10k - 91k: 7kV
100k - 33M: 10kV
EN60065 Test Discharge test: 10kV, 1000pF capacitor discharge pulse,
20%
(RCR50EN, RCR60 only) 50 times (1 pulse/5 seconds maximum)
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 10/29/18
KOA Speer Electronics, Inc. 199 Bolivar Drive Bradford, PA 16701 USA 814-362-5536 Fax: 814-362-8883 www.koaspeer.com 173
% Rated Power
leaded
resistors