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OK3905ER52

Description
Fixed Resistor, Carbon Film, 0.25W, 39ohm, 250V, 5% +/-Tol, 450ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT
CategoryPassive components    The resistor   
File Size113KB,1 Pages
ManufacturerOhmite
Websitehttps://www.ohmite.com
Environmental Compliance
Download Datasheet Parametric View All

OK3905ER52 Overview

Fixed Resistor, Carbon Film, 0.25W, 39ohm, 250V, 5% +/-Tol, 450ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT

OK3905ER52 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerOhmite
package instructionAXIAL LEADED, ROHS COMPLIANT
Reach Compliance Codecompliant
ECCN codeEAR99
structureCylindrical
Lead diameter0.65 mm
Lead length28 mm
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature155 °C
Package diameter2.5 mm
Package length6.8 mm
Package shapeTUBULAR PACKAGE
Package formAxial
method of packingTR
Rated power dissipation(P)0.25 W
Rated temperature70 °C
resistance39 Ω
Resistor typeFIXED RESISTOR
surface mountNO
technologyCARBON FILM
Temperature Coefficient450 ppm/°C
Terminal shapeWIRE
Tolerance5%
Operating Voltage250 V
Little Rebel
1.102" /
28.00mm
®
FEATURES
• High stability, low noise level, long
life.
• Ideal for applications requiring a
steady low power drop.
• Available in Resistor Cabinet
Assortments.
• 24 Values per decade.
• Quantity per reel:
OJ
5000
OK
5000
OL
4000
OM
2500
ON
1000
SPECIFICATIONS
Material
Core:
High-grade ceramic.
Terminals:
Solder-coated copper
lead.
Derating:
Linearly from 100% @
+70°C to 0% @ 155°C.
Carbon Film Resistors, 5% Tolerance
Available in E24 Ohmic values
L
D
Electrical
Tolerance:
±5%.
Temperature Coefficient:
1Ω to 10: ±350 ppm/°C
11Ω to 91K: -450 ppm/°C
100K to 1M: -700 ppm/°C
1.1M to 10M: -800 to 1500 ppm/°C
Maximum Overload Voltage:
OJ 400 Volts OM 1000 Volts
OK 500 Volts ON 1000 Volts
OL 700 Volts
Series
OJ
OK
OL
OM
ON
Wattage Ohms
0.125 1.0-1M
0.250 1.0-10M
0.500 1.0-10M
1.00 1.0-10M
2.00 1.0-10M
Max.
Dimensions (in. / mm) Working
Max. Length Max. Diam. Voltage Lead ga.
0.138 /
3.5
0.073 /
1.85
200
24
0.268 /
6.8
0.099 /
2.5
250
22
0.355 /
9.0
0.118 /
3.0
350
22
0.473 /12.0
0.197 /
5.0
500
20
0.630 /
16.0
0.217 /
5.5
500
20
O R D E R I N G I N F O R M AT I O N
Tolerance
5 = 5% (Std.)
RoHS
1 = 10%
Compliant
*Available in Cabinet Assortments (See Page 73)
Little Rebels are one of Ohmite’s more economical lines of low
wattage resistors. Constructed of a pure carbon film deposited
on a high-grade ceramic body, these units offer better stability
performance than comparable carbon composition resistors.
Little Rebels are designed for electrical and electronic applica-
tions that demand small sizes and small power ratings plus high
performance and reliability.
OJ1035E-R52
Series
Selected from
Specification
Chart
Ohms
3 Digit IEC Code
("G" as 3rd digit = 0.1)
11G=1.1Ω
101=100Ω
102=1000Ω
103=10,000Ω
104=100,000Ω
105=1 MΩ
106=10 MΩ
Packaging Code
R52 = Tape & Reel 52mm
(except
ON:
R58 = Tape & Reel 58mm)
A52(26) = Ammo Pac 52mm (26mm)
S TA N D A R D PA RT N U M B E R S F O R S TA N D A R D R E S I S TA N C E VA L U E S
OJ–––
0.125
OJ–––
0.125
OJ–––
0.125
OJ–––
0.125
Ohmic value
Ohmic value
Ohmic value
Ohmic value
Ohmic value
OJ–––
0.125
Wattage
OK–––
0.25
OL–––
0.50
OM–––
1.0
ON–––
2.0
Part No.
Prefix
Suffix
–––3005
–––3305
–––3605
–––3905
–––4305
–––4705
–––5105
–––5605
–––6205
–––6805
–––7505
–––8205
–––9105
–––1015
–––1115
–––1215
–––1315
–––1515
–––1615
–––1815
–––2015
–––2215
–––2415
–––2715
–––3315
–––3515
–––3615
–––3915
–––4315
–––4715
–––5115
–––5615
–––6215
–––6815
–––7515
Wattage
OK–––
0.25
OL–––
0.50
OM–––
1.0
ON–––
2.0
Part No.
Prefix
Suffix
–––8215
–––9115
–––1025
–––1125
–––1225
–––1325
–––1525
–––1625
–––1825
–––2025
–––2225
–––2425
–––2725
–––3025
–––3325
–––3625
–––3925
–––4325
–––4725
–––5125
–––5625
–––6225
–––6825
–––7525
–––8225
–––9125
–––1035
–––1135
–––1235
–––1335
–––1535
–––1635
–––1835
–––2035
–––2235
Wattage
OK–––
0.25
OL–––
0.50
OM–––
1.0
ON–––
2.0
Part No.
Prefix
Suffix
–––2435
–––2735
–––3035
–––3335
–––3635
–––3935
–––4335
–––4735
–––5135
–––5635
–––6235
–––6835
–––7535
–––8235
–––9135
–––1045
–––1145
–––1245
–––1345
–––1545
–––1645
–––1845
–––2045
–––2245
–––2445
–––2745
–––3045
–––3345
–––3645
–––3945
–––4345
–––4745
–––5145
–––5645
–––6245
Wattage
OK–––
0.25
OL–––
0.50
OM–––
1.0
ON–––
2.0
Part No.
Prefix
Suffix
–––6845
–––7545
–––8245
–––9145
–––1055
–––1155
–––1255
–––1355
–––1555
–––1655
–––1855
–––2055
–––2255
–––2455
–––2755
–––3055
–––3355
–––3655
–––3955
–––4355
–––4755
–––5155
–––5655
–––6255
–––6855
–––7555
–––8255
–––9155
–––1065
Wattage
OK–––
0.25
OL–––
0.50
OM–––
1.0
ON–––
2.0
Part No.
Prefix
Suffix
–––10G5
–––11G5
–––12G5
–––13G5
–––15G5
–––16G5
–––18G5
–––20G5
–––22G5
–––24G5
–––27G5
–––30G5
–––33G5
–––36G5
–––39G5
–––43G5
–––47G5
–––51G5
–––56G5
–––62G5
–––68G5
–––75G5
–––82G5
–––91G5
–––1005
–––1105
–––1205
–––1305
–––1505
–––1605
–––1805
–––2005
–––2205
–––2405
–––2705
1
1.1
1.2
1.3
1.5
1.6
1.8
2.0
2.2
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
100
110
120
130
150
160
180
200
220
240
270
330
350
360
390
430
470
510
560
620
680
750
820
910
1,000
1,100
1,200
1,300
1,500
1,600
1,800
2,000
2,200
2,400
2,700
3,000
3,300
3,600
3,900
4,300
4,700
5,100
5,600
6,200
6,800
7,500
8,200
9,100
10,000
11,000
12,000
13,000
15,000
16,000
18,000
20,000
22,000
24,000
27,000
30,000
33,000
36,000
39,000
43,000
47,000
51,000
56,000
62,000
68,000
75,000
82,000
91,000
100,000
110,000
120,000
130,000
150,000
160,000
180,000
200,000
220,000
240,000
270,000
300,000
330,000
360,000
390,000
430,000
470,000
510,000
560,000
620,000
680,000
750,000
820,000
910,000
1 MEG
1.1 MEG
1.2 MEG
1.3 MEG
1.5 MEG
1.6 MEG
1.8 MEG
2.0 MEG
2.2 MEG
2.4 MEG
2.7 MEG
3.0 MEG
3.3 MEG
3.6 MEG
3.9 MEG
4.3 MEG
4.7 MEG
5.1 MEG
5.6 MEG
6.2 MEG
6.8 MEG
7.5 MEG
8.2 MEG
9.1 MEG
10 MEG

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