MP25 Vishay, MP25 Datasheet

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MP25

Manufacturer Part Number
MP25
Description
Power Rheostats
Manufacturer
Vishay
Datasheet

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MP25
Vishay Angstrohm
* All other intermediate resistance values are available
www.vishay.com
6
10000.0
and can be manufactured on a normal delivery cycle.
RESISTANCE VALUES*
1000.0
2000.0
2500.0
5000.0
7500.0
SPECIAL SHAFTS in inches [millimeters]
MARKING
TOTAL
OHMS
100.0
200.0
300.0
400.0
500.0
750.0
10.0
15.0
25.0
50.0
75.0
TYPE B: 1/2 [12.70], 11/32 [8.73]
Models. Slotted shaft with standard
bushing for 1/8 [3.18] panel.
0.5
1.0
2.0
3.0
5.0
7.5
[12.70]
1/2
MAXIMUM
— Resistance value
— Amps
— Date code
AMPS
14.140
10.000
7.071
5.774
4.472
3.652
3.162
2.582
2.000
1.414
1.155
1.000
0.707
0.557
0.500
0.447
0.365
0.316
0.224
0.200
0.141
0.115
0.100
11/32 [8.73]
APPROXIMATE
STEPS
104
113
144
180
180
216
252
252
252
324
396
410
410
410
685
820
820
30
30
56
66
56
66
TYPE C: 3/4 [19.05], 5/8 [15.88]
Models. Locking bushing with
slotted shaft for 1/4 [6.35] panel.
[19.05]
3/4
DERATING
DIMENSIONS in inches [millimeters]
Angstrohm rheostat standard
wattage ratings are based on a
300°C rise in “free-air” in ambient not
exceeding + 40°C (shown). For
other applications, wattage ratings
are available based on 340°C rise in
"free-air" in ambient not exceeding
+ 25°C, and in other cases + 50°C.
FEATURES
• Diameter 3 5/32" [80.17mm]
• Depth behind panel 1 1/2" [38.10mm]
• Shaft 1/4" [6.35mm] diameter
• Rotation 300° ± 5°
• Weight 0.594 pounds (268 grams)
• Mounts on panels up to 1/4" [6.35mm] by means of a 3/8" [9.52mm], 32 bushing
• Non-turn lugs require 3/16" [4.76mm] hole, 1/2" [12.70mm] below center of shaft -
• U. L. Listed, File No. E51076
(3) .162 [4.11] Holes
NOTE: For Additional Features: Submit detailed drawing information when ordering “non-standard” parts.
ORDERING INFORMATION
and hex nut
Model "A" shaft
Power Rheostats
MODEL
5/8 [15.88]
[80.17]
3 5/32
MP25
Dia.
100 Watt
[52.39] R
2 1/16
[51.20]
2 1/64
BUSHING AND SHAFT CONFIGURATION
TYPE D: 5/8 [15.88], 1/2 [12.70]
Models. Locking bushing with
slotted shaft for 1/8 [3.18] panel.
[15.88]
5/8
A = Standard Flatted Shaft
[9.52]
[38.10]
3/8
1 1/2
1/2 [12.70]
120
100
A
80
60
40
20
[22.22]
0
3/8 [9.52]
7/8
[2.38]
3/32
40
AMBIENT TEMP. DEG. CENTIGRADE
[12.70]
[1.59]
1/16
1/2
[5.56]
[6.35]
7/32
100
TYPE E: 27/32 [21.43], 11/32 [8.73]
Models. Std. bushing and flatted shaft
w/screwdriver slot for 1/8 [3.18] panel.
1/4
[21.43]
27/32
150
Document Number: 66104
Knob # 552
Dial # 548
200
[38.10]
Revision 25-Aug-00
1 1/2
VALUE
250
25
2 1/4 [57.15]
11/32 [8.73]
300
[19.05]
3/4
350

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