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PRECISION MIL Style 2RV7
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Precision Series KK - 2 Watt multiple element 1/4" shaft diameter
Precision series KK/2RV7 potentiometers are suitable for
both military and commercial applications requirin
multiple elements. They can easily be customized to
meet special requirements.
FEATURES: OPTIONS:
• hot molded carbon element • custom shafts and bushings
• gold-plated terminals
• stainless-steel shaft and housing • fourth (center) terminal
• quality meeting or exceeding MIL-R-94 - QPL listed • concentric shafts
• special tapers
• attached switches
ELECTRICAL SPECIFICATIONS: MECHANICAL SPECIFICATIONS:
Resistance range, linear taper: 50 Ω to 5 Meg Ω Mechanical rotation: 314°
Resistance range, logarithmic taper: 150 Ω to 1 Meg Ω Operating torque: 1 oz/in to 12 oz/in
Resistance tolerance: ±10% or ±20% Rotational life: 25,000 cycles
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
ENVIRONMENTAL SPECIFICATIONS:
Operating temperature: − 65°C to +125°C
Resistance to soldering heat: 350°C for 5 seconds
Humidity range: per MIL-R-94
ibration range: per MIL-R-94
Shock resistance: per MIL-R-94
Load life: 1000 hours at 70°C
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PRECISION MIL Style 2RV7
DRAWING:
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PRECISION MIL Style 2RV7
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ORDERING INFORMATION:
Ordering Information - Commercial Part Numbers
Shaft
Series
KK = series KK -
dual element
KKK = series KKK triple element
Bushing Switch Taper Tolerance Shaft Style
Blank =
standard
L = locking S = SPST
W = panel &
shaft steel
Blank =
without
switch
switch
U = linear 1 = 10% of
A =
logarithmic
B = reverse
logarithmic
Example: KKU1041S28
note: not all part number combinations are valid
Resistance Value
Total resistance value in
Ω: first 2 digits significant,
third digit =
number of zeroes
nominal
2 = 20% of
nominal
R = round S
= slotted F =
flatted
Length
16 = 1/2" 20
= 5/8" 24 =
3/4"
28 = 7/8" 32
= 1"
40 = 1 1/4"
48 = 1 1/2"
64 = 2"
80 = 2 1/2"
96 = 3"
Ordering Information - Military Part Numbers
Temperature & Moisture
Style
2RV7 = MIL style S = slotted B = 1/2" A = linear 10%
2RV7
N = standard
L = locking F = flatted A = 5/8" B = linear 20%
S = panel & shaft steel D = 7/8" C = logarithmic 10%
Bushing
Characteristics Resistance Value
Y = as per MIL-R-94 Total resistance value
Shaft Style
Shaft
Length Taper & Tolerance
in Ω: first 2 digits
significant, third digit =
G = 1 1/4"
J = 2" E = reverse logarithmic
K = 2 1/2"
number of zeroes
D = logarithmic 20%
10%
F = reverse logarithmic
20%
Example: RV4NAYSB000
note: not all part number combinations are valid
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