3862C-282-503A [BOURNS]
Potentiometer, Cermet, 1W, 50000ohm, 10% +/-Tol, 1 Turn(s);
| 型号： | 3862C-282-503A |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | Potentiometer, Cermet, 1W, 50000ohm, 10% +/-Tol, 1 Turn(s) |
| 文件： | 总3页 (文件大小：114K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Features
■ Small diameter
■ Wide resistance range
■ Good resolution
■ Linear tapers
■ Cermet element
3862 - 1/2 ” Diameter Single-Turn Panel Control
Initial Electrical Characteristics1
Standard Resistance Range..................................................................................................................................................................100 ohms to 1 megohm
Total Resistance Tolerance ................................................................................................................................................................................(A Taper) ±10 ꢀ
(H Taper) ±±ꢀ
Independent Linearity ........................................................................................................................................................................................................±± ꢀ
Absolute Minimum Resistance........................................................................................................................................................................2 ohms maximum
Effective Electrical Angle ..........................................................................................................................................................................................260 ° ±10 °
Contact Resistance Variation ................................................................................................................................................................±ꢁ ꢀ of total resistance
Dielectric Withstanding Voltage (MIL-STD-202, Method ꢁ01)
Sea Level ..................................................................................................................................................................................................7±0 VAC minimum
70,000 Feet................................................................................................................................................................................................ꢁ±0 VAC minimum
Insulation Resistance (±00 VDC)........................................................................................................................................................1,000 megohms minimum
Power Rating (Voltage Limited by Power Dissipation or ꢁ±0 VAC, Whichever is Less)
+70 °C............................................................................................................................................................................................................................1 watt
+12± °C..........................................................................................................................................................................................................................0 watt
Theoretical Resolution ....................................................................................................................................................................................Essentially infinite
Environmental Characteristics1
Operating Temperature Range........................................................................................................................................................................-40 °C to +12± °C
Storage Temperature Range ..........................................................................................................................................................................-6± °C to +12± °C
Temperature Coefficient Over Storage Temperature Range ..................................................................................................................................±1±0 ppmꢂ°C
Vibration ..............................................................................................................................................................................................................................20 G
Total Resistance Shift ....................................................................................................................................................................................±2 ꢀ maximum
Voltage Ratio Shift ........................................................................................................................................................................................±6 ꢀ maximum
Shock ..................................................................................................................................................................................................................................±0 G
Total Resistance Shift ....................................................................................................................................................................................±2 ꢀ maximum
Voltage Ratio Shift ........................................................................................................................................................................................±6 ꢀ maximum
Load Life ..................................................................................................................................................................................................................1,000 hours
Total Resistance Shift ....................................................................................................................................................................................±ꢁ ꢀ maximum
Rotational Life (C & N Bushing) No Load ..............................................................................................................................................................±0,000 cycles
Total Resistance Shift ....................................................................................................................................................................................±± ꢀ maximum
Contact Resistance Variation..........................................................................................................................................................................................±ꢁ ꢀ
Moisture Resistance (MIL-STD-202, Method 106, Condition B)
Total Resistance Shift ....................................................................................................................................................................................±2 ꢀ maximum
Insulation Resistance (±00 VDC) ......................................................................................................................................................100 megohms minimum
Salt Spray ....................................................................................................................................................................MIL-STD-202, Method 101, Condition A
IP Rating..............................................................................................................................................................................................................................IP 40
Mechanical Characteristics1
Stop Strength ................................................................................................................................................................................ꢁꢁ N-cm (ꢁ lb.-in.) maximum
Mechanical Angle ........................................................................................................................................................................................................29± ° ±ꢁ °
Torque
Starting and Running ............................................................................................................................................................ꢁ.±ꢁ N-cm (± oz.-in.) maximum
Mounting (Torque on Bushing)......................................................................................................................................1.7-2.0 N-m (1±-18 lb.-in.) maximum
Shaft Locking Torque with Locking Bushings ....................................................................................................................................14.12 N-cm (20 oz.-in.)
Weight (Single Section) ................................................................................................................................................................................2± grams maximum
(Each Additional Section) ........................................................................................................................................................................................................
Terminals ....................................................................................................................................................................................Printed circuit pins or J-Hooks
Soldering Condition ......................................................................Recommended hand soldering using Sn8±ꢂAg± no clean solder, 0.02± ” wire diameter
Maximum temperature ꢁ99 °C (7±0 °F) for ꢁ seconds. No wash process to be used with no clean flux.
Part can be wave soldered at 260 °C (±00 °F) for ± seconds, no wash process with no clean flux.
Marking..................................................................................Manufacturer’s trademark, wiring diagram, date code, resistance, manufacturer’s part number
Ganging..............................................................................................................................................................................................................1 cup maximum
Hardware ............................................One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number.
1AT ROOM AMBIENT: +25 °C NOMINAL AND 50 % RELATIVE HUMIDITY NOMINAL, EXCEPT AS NOTED.
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
3862 - 1/2 ” Diameter Single-Turn Panel Control
Product Dimensions
PCB LAYOUT
PANEL LAYOUT
6.22
(.245)
5.08
(.200)
3.04
(.120)
45 °
2.54
(.100)
TYP.
6.22
(.245)
5.08
(.200)
6.73
(.265)
DIA.
2.44 ± .13
(.096 + .005/ - .000)
DIA. 2 PLCS.
3862E/T
15.88
(5/8)
.89 ± .25
(.035 ± .010)
2 PLCS.
L
3862C/N
Shaft End Detail
3862
STD.
9.53, 22.23
(3/8, 7/8)
.89 ± .25
(.035 ± .010)
2 PLCS.
STD.
11.51 ± .41
(.453 ± .016)
11.51 ± .41
(.453 ± .016)
12.07 ± .76
(.475 ± .030)
3.18 ± .03
(.125 ± .001)
45 ° ± 15 °
DIA.
.79
3.18 ± .03
(.125 ± .001)
2.31
(.091)
DIA.
.79
12.07 ± .76
(.475 ± .030)
2 PLCS.
L
2.38
(.094)
(.031)
(.031)
12.7 ± .41
12.7 ± .41
DIA.
DIA.
(.500 ± .016)
(.500 ± .016)
.25
(.010)
2 PLCS.
.41
(.016)
.41
(.016)
45 ° ± 5 ° X
45 ° ± 5 ° X
6.25
6.22
(.245)
2 PLCS.
6.25
(1/4)
-32 UNEF - 2A
(1/4)
-32 UNEF - 2A
6.35
(.250)
3.3
(.13)
.79 ± .25
(.031 ± .010)
.79 ± .25
(.031 ± .010)
POSITION OF SLOTS VARIABLE
OPTIONAL FLAT
LONG OR
9.53
12.7
16.88
(5/8)
L =
FOR "T" BUSHING,
FOR "E" BUSHING
32-1/2 ° ± 10 °
FLAT ORIENTATION
@ CCW END
FROM BUSHING FOR SHAFTS UNDER
(.375)
(.500)
C OF LUG
6.35
(.250)
9.65
L
L =
FOR "C" BUSHING,
FOR "N" BUSHING
(.380)
SLOTS ARE
NOT ORIENTED
PC PIN TERMINAL
J-HOOK TERMINAL
MM
(INCHES)
DIMENSIONS ARE:
2.286
(.09)
TYP.
4.953
3.04
(.12)
REF ONLY
(.195)
12.06 .762
(.475 .03)
2
2
.762
(.03)
TYP.
3
3
1
1
5.08
(.20)
.723
(.0285)
8.89
(.35)
5.08
6.53
(.250)
MAX.
2.54
(0.10)
2.54
(0.10)
5.08
(0.20)
(0.20)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
How to Order 3862 Series Panel Controls
3862
C
-
28
2
-
102
A
L
SHAFT TYPE
(FMS) & DIAMETER
RESISTANCE
BUSHINGS
CODE/VALUE
(IN OHMS)
RoHS IDENTIFIER
12 3/8 ” (9.53 mm) L X 1/8 ” (3.18 mm) D
16 1/2 ” (12.7 mm) L x 1/8 ” (3.18 mm) D
C
C
L
Compliant
(101)
(2±1)
(±01)
(102)
(2±2)
(502)
(103)
(2±ꢁ)
(503)
(104)
(2±4)
(±04)
(10±)
100
2±0
Blank Non-Compliant
20 ±ꢂ8 ” (1±.88 mm) L x 1ꢂ8 ” (ꢁ.18 mm) D C, E, N, T
±00
1 K
2.± K
5 K
10 K
2± K
50 K
100 K
2±0 K
±00 K
1 M
28 7ꢂ8 ” (22.20 mm) L X 1ꢂ8 ” (ꢁ.18 mm) D
C, E, N, T
Consult factory for lengths not shown.
BUSHING
C
E
N
T
Plain 1/4 ” (6.35 mm) D x 1/4 ” (6.35 mm) L
Locking 1ꢂ4 ” (6.ꢁ± mm) D x 1ꢂ2 ” (12.7 mm) L
Plain 1ꢂ4 ” (6.ꢁ± mm) D x ꢁꢂ8 ” (9.±ꢁ mm) L
Locking 1ꢂ4 ” (6.ꢁ± mm) D x ꢁꢂ8 ” (9.±ꢁ mm) L
TERMINAL STYLE AND
SHAFT TYPE
Solder Lugs, Plain End
Solder Lugs, Slotted End
Solder Lugs, Flatted Shaft
PC Pins, Plain End
ELEMENT
MODEL
TAPER/TOLERANCE
Linear ±10 %
3862 1/2 ” (12.7 mm) D Single-Turn Cermet
1
2
ꢁ
±
6
7
A
H
Linear ±± ꢀ
PC Pins, Slotted End
PC Pins, Flatted End
Boldface features are Bourns standard
options. All others are available with higher
minimum order quantities.
REV. 07/08
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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