Solderable leads.
鈥?/div>
Military quality at affordable prices.
APPLICATIONS
Wirewound trimmers are particularly useful in those
applications where any combination of high power, low
temperature coefficient of resistance and/or excellent long
term life stability are important design considerations.
STANDARD RESISTANCE VALUES
RESISTANCE*
(Ohms)
10
20
50
100
200
500
1k
2k
5k
10k
20k
25k
35k
50k
*Other resistances available upon request.
NOMINAL RESOLUTION
(%)
1.10
.85
.65
.51
.40
.45
.34
.27
.20
.16
.13
.12
.11
.10
ELECTRICAL SPECIFICATIONS
Electrical Travel:
22
鹵
4 turns.
Resistance Range:
10 ohms to 10 kilohms. Extended
range available in non MIL-Spec product.
Resistance Tolerance:
鹵
5% standard. Closer tolerances
available.
Temperature Coefficient:
(- 65擄C to + 150擄C)
鹵
50PPM/擄C.
Power Rating:
1.0 watt at + 85擄C derated to 0 watt at
+ 150擄C. These specifications exceed MIL-Spec.
End Resistance:
1 ohm or 2%, whichever is greater.
Equivalent Noise Resistance (ENR):
100 ohms maximum.
Dielectric (DWV):
1000 VAC at atmospheric pressure.
These specifications exceed MIL-Spec.
Insulation Resistance:
>100,000 Megohms (500 VDC).
These specifications exceed MIL-Spec.
MECHANICAL SPECIFICATIONS
Operating Torque:
5 ounce inch maximum.
Rotation:
Clutch stop, wiper idles.
Weight:
0.935 grams maximum.
Resistive Element:
Nickel chromium.
Rotational Life:
200 cycles minimum.
Terminal Strength:
2 pounds for 10 seconds.
CIRCUIT DIAGRAM
1
2
3
ENVIRONMENTAL SPECIFICATIONS
Temperature Limits:
- 65擄C to + 150擄C.
Sealing:
Fully sealed case (non-hermetic).
CW
DIMENSIONAL CONFIGURATIONS 3/8" [9.52mm] Square
[Numbers in brackets indicate millimeters]
L Lead Style - 117
S
0.419
鹵
0.010
[10.64
鹵
0.254]
0.055
鹵
0.005
[1.40
鹵
0.127]
Y
P Lead Style - 126
S
0.040
鹵
0.010
[1.02
鹵
0.254]
0.375
鹵
0.005
[9.52
鹵
0.127]
0.375
鹵
0.005
[9.52
鹵
0.127]
0.023
鹵
0.003
[.584
鹵
0.076]
2
1
3
0.075
鹵
0.010
[1.90
鹵
0.254]
Radius
X
0.380
鹵
0.005
鈥?/div>
鈥?/div>
[9.65
鹵
0.127]
CW
鈥?/div>
R
G
X
0.023
鹵
0.003
[.584
鹵
0.076]
0.117
鹵
0.005
[2.97
鹵
0.127]
0.025
鹵
0.003
[0.635
鹵
0.076]
0.167
鹵
0.005
[4.24
鹵
0.127]
0.313
鹵
0.005
[7.95
鹵
0.127]
0.100
鹵
0.005
[2.54
鹵
0.127]
0.100
鹵
0.005
[2.54
鹵
0.127]
0.023
鹵
0.003
[.584
鹵
0.076]
0.060
鹵
0.005
[1.52
鹵
0.127]
Dia.
0.314
鹵
0.005
[7.98
鹵
0.127]
0.217
鹵
0.005
[5.51
鹵
0.127]
0.300 [7.62]
Min.
0.027
鹵
0.002
[.686
鹵
0.051]
Dia.
#30 AWG leads, color coded
Teflon insulated
6" [152.40mm] minimum length
0.150
鹵
0.010
[3.81
鹵
0.254]
0.093
鹵
0.005
[2.36
鹵
0.127]
Dia.
www.vishay.com
26
Document Number 68016
Revision 23-Sep-99
1
2
