91A1A-B28-B12L Bourns Inc., 91A1A-B28-B12L Datasheet - Page 6
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91A1A-B28-B12L
Manufacturer Part Number
91A1A-B28-B12L
Description
POT 2.5K OHM 5/8" SQ 1/2W PLAS
Manufacturer
Bourns Inc.
Series
91r
Specifications of 91A1A-B28-B12L
Adjustment Type
Side Adjustment
Temperature Coefficient
±1000ppm/°C
Resistance (ohms)
2.5K
Power (watts)
0.5W, 1/2W
Tolerance
±20%
Number Of Turns
Single
Rotation
300°
Resistive Material
Conductive Plastic
Termination Style
Through Hole
Actuator Length
22.23mm
Actuator Type
Slotted Shaft
Actuator Diameter
6.35mm
Package / Case
Square - 0.625" L x 0.500" W x 0.687" H (15.88mm x 12.70mm x 17.45mm)
Track Resistance
2.5kohm
Track Taper
Linear
No. Of Turns
1
Resistance Tolerance
± 20%
Power Rating
500mW
Resistance
2.5 KOhms
Taper
Linear
Element Type
Conductive Plastic
Shaft Type
Slotted
Shaft Length
7/8 in
Shaft Diameter
1/4 in
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
91A1A-B28-B12L
Manufacturer:
BOURNS
Quantity:
1 000
*Model 96 is not available in multi-gang versions.
W Plastic Single Knurled 1/4" (6.35 mm) D
91 Single-Turn, In-Line PC Pins
92 Single-Turn, In-Line J-Hooks
93 Single-Turn, L-Pattern PC Pins
94 Single-Turn, L-Pattern J-Hooks
95 Single-Turn, Triangle-Pattern Solder Lugs
96 Single-Turn, In-Line PC Pins, Sealed*
97 Single-Turn, L-Pattern PC Pins w/Switch
99 Single-Turn, Triangle-Pattern
B Plastic Single Slotted 1/4 " (6.35 mm) D
C Plastic Single Flatted 1/4" (6.35 mm) D
D Plastic Single Plain 1/8" (3.18 mm) D
R Plastic Single Slotted 6 mm D
A Metal Single Plain 1/4" (6.35 mm) D
G Metal Single Slotted 1/4" (6.35 mm) D
H Metal Single Flatted 1/4" (6.35 mm) D
T Plastic Single Slotted 4 mm D
J Metal Single Slotted 6 mm D
V Metal Single Slotted 4 mm D
Y Metal Single Knurled 1/4" (6.35 mm) D
A Metal Plain 3/8 ” (9.53 mm) D x 3/8 ” (9.53 mm) L
C Metal Plain 1/4 ” (6.35 mm) D x 1/4 ” (6.35 mm) L
D Plastic Unthreaded 3/8 ” (9.53 mm) D
R Metal Plain 10 mm D x 9 mm L
U Metal Plain 7 mm D x 9 mm L
Solder Lugs w/Switch
x 3/8 ” (9.53 mm) L
How to Order 90 Series Panel Controls
# SECTIONS
SHAFT TYPE
1
2
Single
Dual
MODEL
91
99
BUSHING
Models 91 Thru 96 Only
All Models, 2nd Section is
a Switch in Model 99
A
C
D
APPLICABLE MODELS
ANTI-ROTATION LUG
Single .305 ” (7.8 mm) R,
90 °CW
Single .305 ” (7.8 mm) R,
270 °CW
No Lug
A
A
2
2
A
A
16,20,24,28
24,28
16,20,24
Metric 16,19,22
Metric 16,19,22
32
16,20,24,28,32
16,20,24,28,32
16,20,24,28,32
Metric 12,16,19,22
Metric 12,16,19,22
24
-
-
AVAILABLE ONLY IN
LENGTHS
(CODE)
A
B
28
28
Code Description
16
20
24
28
32
12
16
19
22
BUSHINGS
A,D
A,D
C
R
U
A,D
A
A
A
R
U
A
LENGTH
(CODE)
SHAFT
(FMS)
1/2 ”L
5/8 ”L
3/4 ”L
7/8 ”L
1 ”L
12 mmL
16 mmL
19 mmL
22 mmL
-
-
A
A
METRIC
15
15
A, C, D
A, C, D
A, C, D
A, D
A, D
U
R, U
R
R, U
AVAILABLE
BUSHING
ONLY IN
Code
/
/
A15
R51
Boldface features are Bourns standard options.
All others are available with higher minimum order quantities.
Customers should verify actual device performance in their specific applications.
(A) Linear Cermet ±10 %
(B) Linear C-P ±20 %
(G) CCW Audio C-P ±20 %
(H) Linear Cermet ±5 %
(E) Linear C-P ±10 %
(C) CW Audio Cermet ±10 %
(D) CW Audio C-P ±20 %
(F) CCW Audio Cermet ±10 % (13) - 5 K
(S) CW Audio C-P ±10 %
(T) CCW Audio C-P ±10 %
L
L
TAPER/TOLERANCE
ELEMENT TYPE
Models 91 - 96: Part number for multiple section potentiometers
must have a taper and resistance value for each section.
Models 97 & 99: Part number must contain a switch type.
Specifications are subject to change without notice.
(R50) DPST N.O./N.C. CW Detent In-Line Term
(R51) DPST N.O./N.C. CCW Detent In-Line Term
(R52) DPST N.O./N.O. CW Detent In-Line Term
(R53) DPST N.O./N.O. CCW Detent In-Line Term
(R54) DPST N.C./N.C. CW Detent In-Line Term
(R55) DPST N.C./N.C. CCW Detent In-Line Term
(R56) DPST N.O./N.C. CW Detent Horz Term
(R57) DPST N.O./N.C. CCW Detent Horz Term
(R58) DPST N.O./N.O. CW Detent Horz Term
(R59) DPST N.O./N.O. CCW Detent Horz Term
(R60) DPST N.C./N.C. CW Detent Horz Term
(R61) DPST N.C./N.C. CCW Detent Horz Term
(R70) DPDT CW Detent In-Line Term
(R71) DPDT CCW Detent In-Line Term
(R72) DPDT CW Detent Horz Term
(R73) DPDT CCW Detent Horz Term
Blank Non-Compliant
SWITCH TYPE (MODELS 97 & 99 ONLY)
L
(05) - 100
(28) -150
(06) - 200
(07) - 250
(08) - 500
(09) - 750
(10) - 1 K
(29) - 1.5 K (21) - 200 K
(11) - 2 K
(12) - 2.5 K (23) - 500 K
(13) - 5 K
(14) - 7.5 K (25) - 1 M
(15) - 10 K
(10) - 1 K
(12) - 2.5 K (20) - 100 K
(13) - 5 K
(15) - 10 K (23) - 500 K
(16) - 20 K
(17) - 25 K
(10) - 1 K
(12) - 2.5 K (20) - 100 K
(15) - 10 K
(17) - 25 K
RESISTANCE CODE
Compliant
VALUE IN OHMS
RoHS IDENTIFIER
(30) - 15 K
(16) - 20 K
(17) - 25 K
(18) - 50 K
(19) - 75 K
(20) - 100 K
(31) - 150 K
(22) - 250 K
(24) - 750 K
(18) - 50 K
(22) - 250 K
(25) - 1 M
(18) - 50 K
(22) - 250 K
(23) - 500 K
(25) - 1 M
REV. 08/09