參數(shù)資料
型號： 3224W-1-102E
英文描述： TRIMMER SMD CERMET MEHR 1K 300V 0.25W
中文描述： 修邊機(jī)表面貼裝金屬陶瓷伊朗Mehr一千300V 0.25W
文件頁數(shù)： 12/86頁
文件大小： 3230K
代理商： 3224W-1-102E
3250/RT22/RTR22 - 1/2” Square Trimming Potentiometer
Specifications are subject to change without notice.
16
Features
I
Multiturn / Wirewound / Sealed
I
Listed on the QPL for style RT22 per
MIL-R-27208 and RTR22 per
High-Rel MIL-R-39015
I
Panel Mount option available
(see page 73 for details)
Electrical Characteristics
Standard Resistance Range
3250 .....................................10 to 50K ohms
RT22.....................................50 to 20K ohms
RTR22 ................................500 to 20K ohms
(see standard resistance table)
Resistance Tolerance........................±5% std.
(tighter tolerance available)
Absolute Minimum Resistance
.......0.1% or 1 ohm max. (whichever is greater)
Noise...............................100 ohms ENR max.
Resolution .....................See Resistance Table
Insulation Resistance.........................500 vdc.
1,000 megohms min.
Dielectric Strength
Sea Level........................................1,000 vac
80,000 Feet.......................................400 vac
Adjustment Travel......................25 turns nom.
Environmental Characteristics
Power Rating @ 85°C
3250..................................................1.0 watt
RT22/RTR22 ...................................0.75 watt
Power Rating @ 150°C ..........................0 watt
Temperature Range...............-65°C to +150°C
Temperature Coefficient
3250............................................±50ppm/°C
RT22/RTR22................................±50ppm/°C
Seal Test.......85°C Fluorinert*(pin styles only)
Humidity ................MIL-STD-202 Method 106
3250..................(2%
TR; 100 Megohms IR)
RT22....................(1%
TR; 10 Megohms IR)
RTR22 ...............(1%
TR; 100 Megohms IR)
Vibration....................................................30G
(1%
TR; 0.5% + resolution
VR)
Shock......................................................100G
(1%
TR; 0.5% + resolution
VR)
Load Life
3250................1,000 hours 1.0 watt @ 85°C
(2%
TR; 500 ohms ENR)
RT22 .............1,000 hours 0.75 watt @ 85°C
(2%
TR; 2% + resolution
VR)
RTR22.........10,000 hours 0.75 watt @ 85°C
(3%
TR; 2% + resolution
TR)
Rotational Life.................................200 cycles
3250 .....................(2%
TR; 500 ohms ENR)
RT22/RTR22...................................(2%
TR)
Physical Characteristics
Torque......................................5.0 oz-in. max.
Mechanical Stops ..........................Wiper idles
Terminals
3250..............Solderable printed circuit pins
Flexible leads (7 strands of 30 AWG)
RT22/RTR22.......MIL-STD-202; Method 208
Weight.................................................0.06 oz.
Machine Screw Mounting
Torque.....................................12 oz-in. max.
Marking
3250.....................Manufacturer’s trademark,
resistance code, terminal numbers,
date code, manufacturer’s model
number and style
RT22/RTR22 ..............Mil-spec part number
Wiper........................................Set at CW end
Flammability....................................U.L. 94V-0
Standard Packaging
P&W Styles..........................25 pcs. per tube
L Style...................................25 pcs. per bag
Adjustment Tool.......................................H-90
1
3
GREEN
CW
CLOCKWISE
YELLOW
CCW
2
WIPER
RED
1.98
(.078)
3250P/RT22/RTR22 Common Dimensions
(Pin Styles)
(12.7
TYP.
DIA. THRU
(2 PLACES)
.89
(.035)
TYP.
1.78
(.070)
5.59
(.220)
TYP.
13.33
±
.64
(.525
±
.025)
.71
±
.08
(.028
±
.003)
2.54
(.100)
2.54
(.100)
6.35
(.250)
1
2
3
"L" Flex Lead Type
RT22 has mounting slots
RTR22 has mounting holes
2.36
(.093)
13.21
(.520)
12.70
(.500)
1.40
(.055)
4.75
(.187)
.89
(.035)
1.52
(.060)
152.4
(6.00)
2.79
(.110)
3250W/RT22/RTR22
2
1
3
3250W-66/RT22X/RTR22X
2
1
3
2.79
(.110)
12.7
(.500)
12.7
(.500)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
6.35
(.250)
6.35
(.250)
6.35
(.250)
DIA. TYP.
TYP.
TYP.
TYP.
TYP.
TYP.
LENGTH
MIN.
DIA. THRU
(2 PLACES)
13.21
(.520)
2.03
.38
(.080
±
.015)
.64
(.024)
WIDE
X
X
DEEP
DIA.
ADJ. SLOT
3.1
(.122)
Standard Resistance Table
Popular values listed in boldface. Special
resistances available.
How To Order
3250 L - 1 - 103 M
Model
Style
Standard or Modified
Product Indicator
-1 = Standard Product
Resistance Code
Optional Suffix Letter
M = Panel Mount
(Factory Installed)
See page 80 for RT22/RTR22 ordering
information.
Consult factory for other available options.
Nominal
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
253
503
Resistance
(Ohms)
10
20
50
100
200
500
1,000
2,000
5,000
10,000
20,000
25,000
50,000
Resolution
(Percent)
1.30
1.00
0.80
0.90
0.70
0.60
0.40
0.30
0.25
0.19
0.16
0.14
0.13
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
THOUGH
DSTRBUION
DIMENSIONS ARE:
METRIC
(INCHES)
TOLERANCES: ±0.25 (.010) EXCEPT WHERE NOTED
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
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參數(shù)描述
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3224W-1-103E 功能描述:微調(diào)電阻器 - 表面貼裝 4mm 10Kohms 10% Square Cermet Sealed RoHS:否 制造商:Murata 產(chǎn)品:Single-Turn Trimmer Potentiometers 產(chǎn)品類型:Single Turn 轉(zhuǎn)數(shù):1 元件類型:Cermet 錐度:Linear 電阻:10 kOhms 電壓額定值: 端接類型:SMD/SMT 功率額定值:250 mW (1/4 W) 容差:20 % 溫度系數(shù):150 PPM / C
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