TOKEN
DRS Power Adjustable Resistors
Power Round-Wire
Adjustable Resistors
Adjustable Resistor for Applications Requiring
Settings at Different Resistance Values
Preview
Choose Token’s Power DRS adjustable resistor for applications requiring settings at different resistance values.
These wirewound resistors are equipped with an adjustable lug, making them ideal for adjusting circuits,
obtaining unique resistance values and setting equipment to meet various line voltages.
DRS resistors feature a hollow core to permit secure fastening with thru bolts with washers or spring-type clips.
They also offer the durability of lead free vitreous enamel, or silicone coating and all-welded construction.
The Power Adjustable DRS Resistor is RoHS compliant and lead free. For non-standard technical requirements
and custom special applications, please contact us.
To Calculate Max. Amperes :
● Voltage = (Watts x Ohms)
1/2
Power Rating :
● Adjustability is 10% to 90% of full resistance value.
● Wattage is proportional to this adjusted resistance value.
● Example: If the lug is set at half resistance, the wattage is reduced by approximately one-half.
● Setting the lug at an intermediate point reduces the wattage rating by approximately the same proportion.
● Based on 25°C free air rating. The stated wattage rating applies only when the entire resistance is in
the circuit.
Features :
● Adjustable lug supplied.
● High wattage applications.
● Flame resistant and rugged lead coating.
● Resistance Tolerance: J(±5%), K(±10%).
● Terminals suitable for soldering or bolt
connection.
Options :
● Special temperature coefficients, tolerances
● Adjustable, fixed, or tapped styles are available.
● Non-inductive Ayrton Perry windings can be specified.
● Special terminals available for non-standard applications.
● Single and double quick connect terminals can be specified.
● Standard lug terminals available with or without terminal hardware.
Version 2010
http://www.token.com.tw/
rfq token.com.tw
01 of 05
TOKEN
(DRS-A) 20W ~ 1300W Dimensions
L
G
E
H
D
DRS Power Adjustable Resistors
M
N
F
J
I
O
K
A
C
B
Power Adjustable Resistor (DRS-A)
N - No mount Dimensions
Power Adjustable Resistor (DRS-A)
Z - Vertical mount Dimensions
Power Adjustable Resistor (DRS-A)
G - Horizontal mount Dimensions
Wattage
Rating
20W
30W
40W
50W
60W
80W
100W
120W
150W
160W
200W
250W
300W
400W
500W
600W
700W
800W
1000W
1300W
Dimensions (mm)
A
60
80
110
110
90
110
140
160
195
185
210
210
260
330
330
400
460
460
540
650
B
17
17
17
25
28
28
28
28
28
35
35
40
40
40
50
50
50
60
60
65
C
8
8
8
16
18
18
18
18
18
24
24
25
25
25
35
35
35
40
40
42
D
22
22
22
30
32
32
32
32
32
36
36
38
38
38
50
50
50
55
55
62
E
5
5
5
8
8
8
8
8
8
10
10
12
12
12
12
12
12
15
15
15
F
78
100
128
150
130
150
180
200
235
225
250
250
300
370
380
450
510
515
595
702
G
2
2
2
5
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
H
12
12
12
18
19
19
19
19
19
19
19
20
20
20
25
25
25
30
30
30
I
4
4
4
6
6
6
6
6
6
8
8
8
8
8
9
9
9
10
10
10
J
90
112
140
166
146
166
196
216
251
245
274
274
320
395
400
470
530
535
615
722
K
36
36
36
58
60
60
60
60
60
76
76
78
78
78
100
100
100
110
110
115
L
1.0
1.0
1.0
1.2
1.2
1.2
1.2
1.2
1.2
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
M
-
-
-
6
6
6
6
6
6
6
6
6
6
6
8
8
8
10
10
10
N
6
6
6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
O
16
16
16
27
27
27
27
27
27
34
34
34
34
34
40
40
40
50
50
50
Max.
Resistance
Value(Ω)
1~1KΩ
1~1.5KΩ
1~2KΩ
0.1~5KΩ
0.1~6KΩ
0.1~8KΩ
0.1~10KΩ
0.1~12KΩ
0.3~15KΩ
0.3~16KΩ
0.3~20KΩ
0.5~25KΩ
0.5~30KΩ
0.5~40KΩ
0.5~50KΩ
0.8~60KΩ
0.8~70KΩ
0.8~80KΩ
1~100KΩ
1~130KΩ
02 of 05
http://www.token.com.tw/
rfq token.com.tw
Version 2010
TOKEN
(DRS-B) 15W ~ 20000W Dimensions
d
N
DRS Power Adjustable Resistors
M
L2
L3
q
Q
H
L1
R
Adjustable Power Resistor (DRS-B)
Z - Vertical mount Dimensions
Adjustable Power Resistor (DRS-B)
N - No mount Dimensions
Adjustable Power Resistor (DRS-B)
G - Horizontal mount Dimensions
Wattage
Rating
15W
20W
25W
30W
40W
50W
80W
100W
150W
200W
250W
300W
400W
500W
600W
700W
800W
1000W
1500W
2000W
2500W
3000W
4000W
5000W
6000W
10000W
12000W
15000W
20000W
R
15
15
20
20
20
28
28
28
28
28
28
40
40
50
50
50
70
70
70
70
70
70
100
100
100
150
150
150
150
L1
45
50
50
70
87
90
90
170
215
267
267
267
330
330
330
400
300
300
415
510
600
600
430
500
600
600
660
660
1000
L2
65
70
80
100
115
115
115
195
240
292
292
300
365
365
365
435
320
320
435
530
620
620
450
620
720
625
685
685
1030
Dimensions (mm)
L3
H
N
85
40
6
90
40
6
100
50
6
120
50
6
137
50
6
143
68
9
143
68
9
223
68
9
268
68
9
320
68
9
320
68
9
343
90
10
406
90
10
415
98
10
415
98
10
485
95
10
362
138
15
362
138
15
477
138
15
572
138
15
662
138
15
662
138
15
521
185
15
691
185
15
791
185
15
720
350
30
780
350
30
780
350
30
1120
350
30
d
3.5
3.5
3.5
3.5
3.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
6
6
6
8
8
8
8
8
8
8
8
8
8
8
8
8
M
3.5
3.5
5
5
5
5.5
5.5
5.5
5.5
5.5
5.5
6
6
8.5
8.5
8.5
-
-
-
-
-
-
-
-
-
-
-
-
-
q
4.5
4.5
5
5
5
6
6
6
6
6
6
6
6
8
8
8
8
8
8
8
8
8
8
8
8
10
10
10
10
Q
15
15
20
20
20
27
27
27
27
27
27
39
39
49
49
49
69
69
69
69
69
69
99
99
99
150
150
150
150
Resistance
Range
1~1KΩ
1~1KΩ
2~1KΩ
2~1KΩ
2~1KΩ
5~1KΩ
5~2KΩ
10~3KΩ
10~3KΩ
10~5KΩ
10~5KΩ
20~5KΩ
20~5KΩ
20~5KΩ
20~5KΩ
20~5KΩ
40~500Ω
40~500Ω
40~500Ω
40~500Ω
40~500Ω
40~500Ω
40~500Ω
40~500Ω
40~500Ω
40~500Ω
40~500Ω
40~500Ω
40~500Ω
Version 2010
http://www.token.com.tw/
rfq token.com.tw
03 of 05
TOKEN
Specifications
Test Item
Resistance tolerance
DRS Power Adjustable Resistors
Test Methods
JIS-C-5202 5-1
Characterstics
Resistance
Nominal
Tolerance
1≤R
1>R
±5%(J) ±10%(K)
±200PPM/°C MAX
ΔR/R≤±(0.5%+0.1Ω) Surface temperature
up 350°C MAX
Free of appearance or structural irregularity
ΔR/R≤ ±(2%+0.1Ω)
100MΩ min
Temperature coefficient JIS-C-5202 5-2
Load rating
Short-term overload
Insulation resistance
Dielectric withstanding
voltage
Terminal strength
Vibration
JIS-C-5202 5-4
Thermal shock
Humidity
Load life
Flame retardation
REMARKS:
JIS-C-5202 5-5
1000% rated wattage 5 seconds
JIS-C-5202 5-6 500VDC
JIS-C-5202 5-7
Free of appearance or structural irregularity
1000VDC 1 minute Between terminal and
ΔR/R≤ ±(0.1%+0.05Ω)
anchor stand
JIS-C-5202 6-1 8kg 30 seconds
Free of appearance or structural irregularity
JIS-C-5202 6-3
Free of appearance or structural irregularity
1.5m/m 10 ~ 50 ~ 10 Hz/min X-Y-Z
Surface coating crack ΔR/R≤ ±(1%+0.05Ω)
2 hours each
JIS-C-5202 7-3
Free of structural irregularity
Room temp 30 minutes ON-55°C
ΔR/R≤ ±(2%+0.1Ω)
15 minutes OFF
JIS-C-5202 7-5
Free of appearance or structural irregularity
40°C 90%RH 240 hours
Surface coating crack ΔR/R≤ ±(3%+0.1Ω)
JIS-C-5202 7-10
Free of appearance or structural irregularity
90 minutes ON - 30 minutes OFF 500 hours Surface coating crack ΔR/R≤ ±(1%+0.05Ω)
JIS-C-5202 7-13-3-2
US UL-94 flame retardation test V-0 grade
100% - 600% rated wattage load
noncombustible
1. Resistance and resistance tolerance were tested in-house with micro resistance meter.
2. Coating refers to UL-certified data provided by supplier.
DQS - Application Notes
Determination of End Resistance Value of FVR, DQS, DSRA, DSRB, BSR, BSQ:
● Resistance Range means you can choose one maximum resistance value (End resistance value)
at one of FVR, DQS, DSRA, DSRB, BSR, BSQ VR (Variable Resistor) type.
● After End Resistance Value confirmed, the minimum resistance (start resistance value) will be
determined by depending on resistance of wire and wirewound type.
Power Rating of Variable Resistor:
Product type
-
Rated Wattage
-
The part Nunber formation of FVR, DQS, DSRA, DSRB, BSR, BSQ:
Resistance Value (Ω)
- Resistance Tolerance
04 of 05
http://www.token.com.tw/
rfq token.com.tw
Version 2010
TOKEN
DRS Power Adjustable Resistors
Product type means one of FVR, DQS, DSRA, DSRB, BSR, BSQ.
Rated Wattage means power rating at End Resistance Value.
Resistance Value (Ω) means maximum resistance value (End Resistance Value).
Resistance Tolerance means precision range of End Resistance Value.
1. Power Rating of VR (Variable Resistor) is determined by the maximum resistance value
(End Resistance Value).
2. Resistance and Power Rating should be decreased while you are adjusting the screw.
Notes:
● Adjustability is 10% to 90% of full resistance value.
● Wattage is proportional to this adjusted resistance value.
Power Rating:
● Based on 25°C free air rating. The stated wattage rating applies only when the entire resistance is
in the circuit.
● Setting the lug at an intermediate point reduces the wattage rating by approximately the same
proportion.
● Example: If the lug is set at half resistance, the wattage is reduced by approximately one-half.
If you need current constant type or special specifications, please feel free to cntact us.
How to Order
DRSA
Part Number: DRSA
DRSB
600W
250R
J
Resistance Tolerance (%)
Code
J
K
G
Rated Power (W): 20W~1300W
Resistance Value (Ω):
Code
Resistance Tolerance
15W~20000W
Resistance Value
±5%
±10%
0R1
1R
10R
100R
1K
10K
100K
0.1Ω
1Ω
10Ω
100Ω
1KΩ
10KΩ
100KΩ
Assembly Method
Code
N
C
G
Z
Assembly Method
No mount.
Clip mount.
Horizontal mount.
Vertical mount.
Back to 1st Page - Round-Wire Power Adjustable Resistors (DRS)
Version 2010
http://www.token.com.tw/
rfq token.com.tw
05 of 05
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