PRECISION
MIL Style 2RV7
Precision Series KK -
2 Watt multiple element 1/4" shaft diameter
Precision series KK/2RV7 potentiometers are suitable for
both military and commercial applications requiring
multiple elements. They can easily be customized to
meet special requirements.
FEATURES:
•
•
•
•
hot molded carbon element
gold-plated terminals
stainless-steel shaft and housing
quality meeting or exceeding MIL-R-94 - QPL listed
OPTIONS:
•
•
•
•
•
custom shafts and bushings
special tapers
fourth (center) terminal
concentric shafts
attached switches
ELECTRICAL SPECIFICATIONS:
Resistance range, linear taper:
50
Ω
to 5 Meg
Ω
Resistance range, logarithmic taper:
150
Ω
to 1 Meg
Ω
Resistance tolerance:
±10% or ±20%
Resistance taper:
linear, logarithmic, reverse logarithmic;
other tapers by special order
Power rating:
2 watts at 70°C derated to 0 watts at 120°C
Insulation resistance:
dry:
10K Meg
Ω
wet:
100K Meg
Ω
Dielectric strength:
900 V RMS at sea level
Operating voltage:
500 V, subject to power rating
MECHANICAL SPECIFICATIONS:
Mechanical rotation:
314°
Operating torque:
1 oz/in to 12 oz/in
Rotational life:
25,000 cycles
ENVIRONMENTAL SPECIFICATIONS:
Operating temperature:
−
65°C to +125°C
Resistance to soldering heat:
350°C for 5 seconds
Humidity range:
per MIL-R-94
Vibration range:
per MIL-R-94
Shock resistance:
per MIL-R-94
Load life:
1000 hours at 70°C
PRECISION
MIL Style 2RV7
DRAWING:
PRECISION
MIL Style 2RV7
ORDERING INFORMATION:
Ordering Information - Commercial Part Numbers
Series
KK
= series KK -
dual element
KKK
= series KKK -
triple element
Bushing
Blank
=
standard
L
= locking
W
= panel &
shaft steel
Switch
Blank
=
without
switch
S
= SPST
switch
Taper
U
= linear
Shaft
Tolerance Shaft Style
Length
Resistance Value
Total resistance value in 1
= 10% of
R
= round
S 16
= 1/2"
20
Ω:
first 2 digits significant, nominal
= slotted
F
= = 5/8"
24
=
third digit =
flatted
3/4"
number of zeroes
2 =
20% of
28
= 7/8"
32
nominal
= 1"
40
= 1 1/4"
48
= 1 1/2"
64
= 2"
80
= 2 1/2"
96
= 3"
A
=
logarithmic
B
= reverse
logarithmic
Example: KKU1041S28
note:
not all part number combinations are valid
Ordering Information - Military Part Numbers
Temperature & Moisture
Characteristics
Y
= as per MIL-R-94
Shaft
Length
B
= 1/2"
A
= 5/8"
D
= 7/8"
G
= 1 1/4"
J
= 2"
K
= 2 1/2"
Style
2RV7
= MIL style
2RV7
Bushing
N
= standard
L
= locking
S
= panel & shaft steel
Shaft Style
S
= slotted
F
= flatted
Resistance Value
Total resistance value
in
Ω:
first 2 digits
significant, third digit =
number of zeroes
Taper & Tolerance
A
= linear 10%
B
= linear 20%
C
= logarithmic 10%
D
= logarithmic 20%
E
= reverse logarithmic
10%
F
= reverse logarithmic
20%
Example: RV4NAYSB000A
note:
not all part number combinations are valid
