3862C-285-251AL [BOURNS]
Potentiometer, Cermet, 1W, 250ohm, 10% +/-Tol, -150,150ppm/Cel, 1 Turn(s), ROHS COMPLIANT;型号: | 3862C-285-251AL |
厂家: | BOURNS ELECTRONIC SOLUTIONS |
描述: | Potentiometer, Cermet, 1W, 250ohm, 10% +/-Tol, -150,150ppm/Cel, 1 Turn(s), ROHS COMPLIANT PC 电阻器 |
文件: | 总3页 (文件大小:224K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
Non-RoHS versions are available, but
not recommended for new designs.
Features
■ Small diameter
■ Wide resistance range
■ Good resolution
■ Linear tapers
■ Cermet element
3862 - 1/2 ” Diameter Single-Turn Panel Control
1
Initial Electrical Characteristics
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 ........................................................................................................................±ꢁ ꢀ or 6 ohms (ꢂhichever is greater)
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
Poꢂer Rating (Voltage Limited by Poꢂer Dissipation or ꢁ±0 VAC, Whichever is Less)
+70 °C.........................................................................................................................................................................................................1 ꢂatt
+12± °C.......................................................................................................................................................................................................0 ꢂatt
Theoretical Resolution................................................................................................................................................................... Essentially infinite
1
Environmental Characteristics
Operating Temperature Range ...................................................................................................................................................... -40 °C to +12± °C
Storage Temperature Range ......................................................................................................................................................... -6± °C to +12± °C
Temperature Coefficient Over Storage Temperature Range ................................................................................................................ ±1±0 ppmꢃ°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
1
Mechanical Characteristics
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 ꢂith 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±ꢃAg± no clean solder, 0.02± ” ꢂire diameter
Maximum temperature ꢁ99 °C (7±0 °F) for ꢁ seconds. No ꢂash process to be used ꢂith no clean flux.
Part can be ꢂave soldered at 260 °C (±00 °F) for ± seconds, no ꢂash process ꢂith no clean flux.
Marking.................................................................Manufacturer’s trademark, ꢂiring diagram, date code, resistance, manufacturer’s part number
Ganging............................................................................................................................................................................................ 1 cup maximum
Hardꢂare........................... One lockꢂasher and one mounting nut is shipped ꢂith each potentiometer, except ꢂhere noted in the part number.
1
AT 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
6.325
(.249)
5.08
(.200)
3.04
(.120)
45 °
2.54
(.100)
TYP.
6.325
(.249)
5.08
(.200)
6.731
(.265)
DIA.
2.438 + .127 / -0.000
(.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.
(.500 .016)
DIA.
(.500 .016)
.25
(.010)
2 PLCS.
.41
(.016)
.41
(.016)
45 ° 5 ° X
45 ° 5 ° X
6.25
(1/4)
6.22
(.245)
2 PLCS.
6.25
(1/4)
-32 UNEF - 2A
-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
(.375)
12.7
(.500)
16.88
(5/8)
L =
FOR "T" BUSHING,
FOR "E" BUSHING
32-1/2 ° 10 °
FLAT ORIENTATION
@ CCW END
FROM BUSHING FOR SHAFTS UNDER
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
2.286
(.09)
TYP.
4.953
3.04
(.12)
REF ONLY
(.195)
12.06 .762
(.475 .03)
1
3
2
2
CCW
.762
(.03)
TYP.
3
3
1
1
2
5.08
(.20)
POTENTIOMETER
.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)
MM
(INCHES)
DIMENSIONS:
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
RESISTANCE
CODE/VALUE
(IN OHMS)
RoHS IDENTIFIER
Compliant
SHAFT TYPE
(FMS) & DIAMETER
BUSHINGS
(101)
(251)
(501)
(102)
(252)
(502)
(103)
(253)
(503)
(104)
(254)
(504)
(105)
100
250
500
1K
2.5K
5K
10K
25K
50K
100K
250K
500K
1M
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
20 5/8 ” (15.88 mm) L x 1/8 ” (3.18 mm) D
28 7/8 ” (22.20 mm) L X 1/8 ” (3.18 mm) D
C
C
L
Blank Non-Compliant
C, E, N, T
C, E, N, T
Consult factory for lengths not shown.
ELEMENT
TAPER/TOLERANCE
BUSHING
A
H
Linear 10 ꢀ
Linear 5 ꢀ
C
E
N
T
Plain 1/4 ” (6.35 mm) D x 1/4 ” (6.35 mm) L
Locking 1/4 ” (6.35 mm) D x 1/2 ” (12.7 mm) L
Plain 1/4 ” (6.35 mm) D x 3/8 ” (9.53 mm) L
Locking 1/4 ” (6.35 mm) D x 3/8 ” (9.53 mm) L
TERMINAL STYLE AND
SHAFT TYPE
MODEL
3862 1/2 ” (12.7 mm) D Single-Turn Cermet
1
2
3
5
6
7
Solder Lugs, Plain End
Solder Lugs, Slotted End
Solder Lugs, Flatted Shaft
PC Pins, Plain End
PC Pins, Slotted End
PC Pins, Flatted End
Boldface features are Bourns standard
options. All others are available with higher
minimum order quantities.
REV. 12/10
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
相关型号:
3862E-202-103AL
Potentiometer, Cermet, 1W, 10000ohm, 10% +/-Tol, -150,150ppm/Cel, 1 Turn(s), ROHS COMPLIANT
BOURNS
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