60 Series
Two Terminal Metal Element
Current Sense
These non-inductive, 3-piece welded element resis-
tors offer a reliable low-cost alternative to conven-
tional current sense products. With resistance values
as low as 0.005Ω, and wattages from 0.1w to 3w,
the 60 Series offers a wide variety of design choices.
F e at u r e S
• Low inductance
• Low cost
• Wirewound performance
• Flameproof
TCR as a function of resistance
600
CharaCteriStiCS
Resistor
Nichrome resistive element
Terminals
Copper clad steel or copper depending on style. RoHS
solder composition is 96% Sn, 3.5% Ag, 0.5% Cu
Derating
Linearly from 100% @ +25°C to 0% @ +275°C
Tolerance
±3% standard, others available
ppm/ϒ
C
3w
500
400
300
200
100
0
Temp. Coefficient of Resistance
.1-2w
Power rating
Based on 25°C ambient
Overload
5x rated power for 5 seconds
Inductance
<10nh
To calculate max amps
use the formula √(P/R)
0
10
20
30
Resistance (m½ )
40
50
O r D e r i N G i N F O r M at i O N
(Partial listing; contact Ohmite for others)
Part Number
600HR050E
600HR033E
600HR036E
601HR027E
601HR030E
601HR025E
602HR050E
603HR005E
603HR010E
603HR015E
603HR050E
604HR010E
604HR020E
604HR025E
604HR100E
605HR010E
605HR020E
605HR030E
605HR100E
607HR050E
607HR005E
610HR005E
610HR010E
610HR020E
610HR030E
610HR050E
615HR010E
615HR020E
615HR030E
620HR005E
630HR010E
630HR015E
630HR025E
630HR050E
Watts
0.1
0.1
0.1
0.125
0.125
0.125
0.2
0.25
0.25
0.25
0.25
0.375
0.375
0.375
0.375
0.5
0.5
0.5
0.5
0.75
0.75
1
1
1
1
1
1.5
1.5
1.5
2
3
3
3
3
Ohms
0.05
0.033
0.036
0.027
0.03
0.025
0.05
0.005
0.01
0.015
0.05
0.01
0.02
0.025
0.01
0.01
0.02
0.03
0.1
0.05
0.005
0.005
0.01
0.02
0.03
0.05
0.01
0.02
0.03
0.005
0.01
0.015
0.025
0.05
Tolerance
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
A (ref.)
2.440
2.440
2.440
2.440
2.440
2.440
3.530
2.440
2.440
2.440
3.685
3.530
3.530
3.530
3.587
3.685
3.685
3.685
3.981
3.587
3.674
3.587
3.587
3.587
3.587
3.981
3.981
3.981
3.981
3.981
4.125
4.125
4.125
4.125
Dimensions
Lead
B (max.) C (±0.010) Ga.
0.155
0.655
24
0.155
0.655
24
0.155
0.655
24
0.155
0.655
24
0.155
0.655
24
0.155
0.655
24
0.250
0.559
22
0.155
0.655
24
0.155
0.655
24
0.155
0.655
24
0.330
1.310
20
0.250
0.559
22
0.250
0.559
22
0.250
0.559
22
0.65
1.125
20
0.355
1.310
20
0.330
1.310
20
0.330
1.310
20
0.750
1.675
18
0.630
1.106
20
0.320
1.310
20
0.650
1.125
20
0.630
1.106
20
0.630
1.106
20
0.650
1.106
20
0.750
1.675
18
0.750
1.675
18
0.750
1.675
18
0.750
1.675
18
0.750
1.675
18
0.781
1.68*
18
1.11
2
18
1.279
2.125
18
1.664
2.375
18
A
B
C
E = RoHS compliant
½½½½½½½½½
Series
Wattage
00 =
1
/
10
07 =
3
/
4
01 =
1
/
8
10 = 1.0
02 =
1
/
5
15 = 1.5
03 =
1
/
4
20 = 2.0
04 =
3
/
8
30 = 3.0
05 =
1
/
2
Tolerance
F = 1%
H = 3%
J = 5%
Ohms
R005 = .005
R010 = .01
R020 = .02
R050 = .05
R100 = 0.10
*Reference dimensions; contact Ohmite for details
47
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