Owner's manual
RW
Vishay Draloric
Vitreous Wirewound Resistors
www.vishay.com For technical questions contact ww1resistors@vishay.com
Document Number: 21005
92 Revision: 04-Jul-06
DIMENSIONS
Note
1. Numbers in (parenthesis) represent the Dimension D
max
for resistor produced with corrugated ribbon.
2. Model according to MIL-R-26.
MODEL
DIMENSIONS in millimeters [inches]
RW 10/44
RW 10/44 E
RW 10/44 Ni
RW 29
2)
RW 12/25
RW 30
2)
RW 12/38
RW 12/38 E
RW 12/38 Ni
RW 31
2)
RW 12/51
RW 12/51 E
RW 12/51 Ni
RW 32
2)
RW 12/76
RW 12/76 E
RW 12/76 Ni
RW 33
2)
RW 20/76
RW 20/76 E
RW 20/76 Ni
MM D
max.
1)
12.7 (15.7)
[0.5 (0.618)]
15.1 (18.1)
[0.595 (0.713)]
15.1 (18.1)
[0.595 (0.713)]
15.1 (18.1)
[0.595 (0.713)]
15.1 (18.1)
[0.595 (0.713)]
23 (26)
[0.906 (1.024)]
L ± 1.6 mm 44.4 [1.748] 25.4 [1.000] 38.1 [1.500] 50.8 [2.000] 76.2 [3.000] 76.2 [3.000]
a 33.4 [1.315] 14.4 [0.570] 27.1 [1.070] 39.8 [1.570] 65.2 [2.570] 63.2 [2.490]
a
1
31.4 [1.236] - 25.1 [0.990] 37.8 [1.490] 63.2 [2.490] 63.2 [2.490]
b 6 [0.236] 6 [0.240] 6 [0.240] 6 [0.240] 6 [0.240] 8 [0.310]
b
1
5 [0.197] - 5 [0.200] 5 [0.200] 5 [0.200] 5 [0.200]
c 16.5 [0.650] 17.5 [0.690] 17.5 [0.690] 17.5 [0.690] 17.5 [0.690] 22 [0.870]
c
1
18.5 [0.728] - 19 [0.750] 19 [0.750] 19 [0.750] 23 [0.910]
d 4.5 [0.177] 5.5 [0.220] 5.5 [0.220] 5.5 [0.220] 5.5 [0.220] 12 [0.470]
e 3.2 [0.126] 3.2 [0.130] 3.2 [0.130] 3.2 [0.130] 3.2 [0.130] 4.2 [0.170]
e
1
2.8 [0.110] - 3.2 [0.130] 3.2 [0.130] 3.2 [0.130] 3.2 [0.130]
s 0.6 [0.024] 0.6 [0.020] 0.6 [0.020] 0.6 [0.020] 0.6 [0.020] 0.8 [0.030]
Weight (Grams) 101010151530
MODEL
RW 20/102
RW 20/102 E
RW 20/102 Ni
RW 35
2)
RW 30/102
RW 30/102 E
RW 36
2)
RW 30/152
RW 30/152 E
RW 37
2)
RW 30/203
RW 30/203
RW 38
2)
RW 30/267
RW 30/267 E
RW 47
2)
RW 30/305
RW 30/305 E
MM D
max.
1)
23 (26)
[0.906 (1.024)]
33.3 (36.3)
[1.310 (1.430)]
33.3 (36.3)
[1.310 (1.430)]
33.3 (36.3)
[1.310 (1.430)]
33.3 (36.3)
[1.310 (1.430)]
33.3 (36.3)
[1.310 (1.430)]
L ± 1.6 mm 101.6 [4.000] 101.6 [4.000] 152.4 [6.000] 203.2 [8.000] 266.7 [10.50] 304.8 [12.00]
a 88.6 [3.490] 88.6 [3.490] 139.4 [5.490] 190.2 [7.490] 253.7 [9.990] 291.8 [11.49]
a
1
88.6 [3.490] 88.6 [3.490] 139.4 [5.490] 190.2 [7.490] 253.7 [9.990] 291.8 [11.49]
b 8 [0.310] 8 [0.310] 8 [0.310] 8 [0.310] 8 [0.310] 8 [0.310]
b
1
5 [0.200] 8 [0.310] 8 [0.310] 8 [0.310] 8 [0.310] 8 [0.310]
c 22 [0.870] 31 [1.220] 31 [1.220] 31 [1.220] 31 [1.220] 31 [1.220]
c
1
23 [0.910] 27 [1.060] 27 [1.060] 27 [1.060] 27 [1.060] 27 [1.060]
d 12 [0.470] 18.5 [0.730] 18.5 [0.730] 18.5 [0.730] 18.5 [0.730] 18.5 [0.730]
e 4.2 [0.170] 4.2 [0.170] 4.2 [0.170] 4.2 [0.170] 4.2 [0.170] 4.2 [0.170]
e
1
3.2 [0.130] 4.2 [0.170] 4.2 [0.170] 4.2 [0.170] 4.2 [0.170] 4.2 [0.170]
s 0.8 [0.030] 0.8 [0.030] 0.8 [0.030] 0.8 [0.030] 0.8 [0.030] 0.8 [0.030]
Weight (Grams) 62 136 200 260 330 430
2.5
[0.098]
e
a
b
L
d
c
s
D
max.
b
1
e
1
Adjustable lug with
contact stud
2.5
[0.098]
c
1
1.65 + 0.1
[0.065 + 0.004]
6.3 + 0.1
[0.248 + 0.004]
thickness
0.8 [0.030]
4 + 0.5
[0.157 + 0.020]
8
± 0.1
[0.310 + 0.004]
a
1
FST A 6.3 mm/DIN 46244
(at end terminals only)