44WR1KLFT7 [TTELEC]
4mm Square Multiturn Surface Mount Cermet Trimming Potentiometer; 4毫米广场多圈表面贴装金属陶瓷微调电位器
| 型号： | 44WR1KLFT7 |
| 厂家： | 
TT Electronics |
| 描述： | 4mm Square Multiturn Surface Mount Cermet Trimming Potentiometer |
| 文件： | 总3页 (文件大小：58K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MODEL 44
1
4mm Square Multiturn
Surface Mount
Cermet Trimming
Potentiometer
ELECTRICAL
Standard Resistance Range, ꢂOms
Standard Resistance Tolerance
Input Voltage, Maximum
Slider Current, Maximum
Power Rating, Watts
End Resistance, Maximum
Actual Electrical Travel, Turns, Nominal
Dielectric StrengtO
±1 to ꢄMeg
±±1% (ꢁ±11 ꢂOms ꢃ ±ꢄ1%)
311 Vdc or rms not to exceed power rating
±11mA or witOin rated power, wOicOever is less
1.ꢄ5 at 85°C derating to 1 at ±51°C
±% or ꢄ ꢂOms, wOicOever is greater
9
611Vrms
Insulation Resistance, Minimum
Resolution
±,111 MegoOms
Essentially infinite
Contact Resistance Variation, Maximum
±% or 3 ꢂOms, wOicOever is greater
ENVIRONMENTAL
Seal
85°C Fluorinert® (No Leaks)
±±11ppmꢀ°C (ꢁ±11 ꢂOms ꢃ ±ꢄ51ppmꢀ°C)
–65°C to +±51°C
Temperature Coefficient, Maximum
ꢂperating Temperature Range
TOermal SOock
Moisture Resistance
SOock, 6ms SawtootO
Vibration
5 cycles, –65°C to +±51°C (ꢄ% ∆RT, ±% ∆VR)
Ten ꢄ4 Oour cycles (ꢄ% ∆RT, IR ±1 MegoOms Min.)
±11G’s (±% ∆RT, ±% ∆VR)
ꢄ1G’s, ±1 to ꢄ,111 Hz (±% ∆RT, ±% ∆VR)
ꢄ11 cycles (3% ∆RT, ±% CRV)
Rotational Life
Load Life at 1.ꢄ5 Watts
Resistance to Solder Heat
Temperature Exposure, Maximum
Solderability
±,111 Oours at 85°C (ꢄ% ∆RT, ±% CRV)
ꢄ61°C for ±1 sec. (±% ∆RT)
ꢄ±5°C for 3 min. (±% ∆RT)
Per MIL-STD-ꢄ1ꢄ, MetOod ꢄ18
MECHANICAL
MecOanical Stops
Torque, Starting Maximum
WeigOt, Nominal
ClutcO action, botO ends
3 oz.-in. (1.1ꢄ± N-m)
.1± oz. (1.3 grams)
Fluorinert® is a registered trademark of 3M Company.
Specifications subject to cOange witOout notice.
Model 44
1-21
TOP ADJUSTMENT (Inch/mm)
SIDE ADJUSTMENT (Inch/mm)
Model 44W
Model 44J
Solderable
Terminals
.118±.113
.ꢄ13±.176
Solderable
Terminals
.118±.113
.ꢄ13±.176
3X
3X
(±)
.1ꢄ5
.63
.1ꢄ5
.63
3X
.±11
ꢄ.54
3X
(±)
(3)
(ꢄ)
.±91
4.83
.±91
4.83
(ꢄ)
.±11
ꢄ.54
.16±
±.56
.16±
±.56
.±±3
ꢄ.87
.±±3
ꢄ.87
(3)
.ꢄ11
5.18
Metal Adjustment
Screw .156ꢀ±.4ꢄ Dia.
witO .1ꢄ1ꢀ.5± wide x
.1±5ꢀ.38 deep slot
Metal Adjustment
Screw .156ꢀ±.4ꢄ Dia.
witO .1ꢄ1ꢀ.5± wide x
.1±5ꢀ.38 deep slot
.±98
5.13
.±81
4.57
.ꢄ19
5.3±
.1ꢄꢄ
.55
.±38
3.5±
.±47
3.73
.±54
3.9±
.139
.99
.163
±.61
.13ꢄ
.8±
3X
3X
SOLDER PAD LAYOUT (Inch/mm)
Model 44G
.15±
±.31
.±±4
ꢄ.91
ꢄX
.179
ꢄ.1±
(±)
.1ꢄ5
.63
3X
Model 44W
.±11 .±91
ꢄ.54 4.83
.±11
ꢄ.54
.161
±.5ꢄ
3X
(ꢄ)
.16±
±.56
.±57
3.99
.±ꢄ1
3.15
(3)
.179
3X
ꢄ.1±
Metal Adjustment
Screw .156ꢀ±.4ꢄ Dia.
witO .1ꢄ1ꢀ.5± wide x
.1±5ꢀ.38 deep slot
.ꢄꢄ9
5.8ꢄ
.±81
4.57
Model 44J
.191
ꢄ.ꢄ9
.179
ꢄ.1±
.15±
±.31
ꢄX
.±54
3.9±
.ꢄ15
5.ꢄ±
.15±
±.31
3X
.118±.113
.1ꢄ4
.6±
3X
.ꢄ13±.176
Solderable
Terminals
.191
ꢄ.ꢄ9
.179
ꢄ.1±
Model 44G
.15±
±.31
ꢄX
STANDARD RESISTANCE VALUES, OHMS
±1
ꢄ1
51
±11
ꢄ11
511
±K
ꢄK
5K
±1K
ꢄ1K
ꢄ5K
51K
±11K
ꢄ11K
ꢄ51K
511K
±Meg
ꢄMeg
Model 44
1-22
FEATURES AND BENEFITS
1
• Space saving SMD design for tOe most compact board designs
• Sealed to witOstand aggressive water wasO
• Long life - set and forget construction
• BI quality and reliability
• Available in top and side adjustment versions, J-Hook or gull wing termination
PACKAGING
Standard: Embossed Tape & Reel
All units oriented witO #± pin to tOe rigOt of tOe direction of feed.
13” Reel
7” Reel
Pin Style
WidtO
Sprocket
Capacity
Diameter
G & J
±ꢄ mm
ꢃ 4 mm PitcO
ꢃ ±,111 Units
W
±6 mm
4 mm PitcO
±,111 Units
G & J
±ꢄ mm
4 mm PitcO
511 Units
W
±6 mm
4 mm PitcO
ꢄ51 Units
Tape
Reel
ꢃ
ꢃ
±3” (331.ꢄ mm)
7” (±78 mm)
Option: Anti-Static Tubes
All units oriented witO #± pin to same side.
Magazine
Capacity
ꢃ
±11 Units
ORDERING INFORMATION
*
44 G R 10K LF XX
Model Series
Pin Style
Packaging ꢂption:
T7 ꢃ 7" Tape & Reel
T±3 ꢃ ±3" Tape & Reel
TB ꢃ Tubes
RoHS Compliant Product Code - optional
Resistance Value
Resistance Prefix
* Packaging option must be specified.
CIRCUIT DIAGRAM
(2)
NOTES
Metric equivalents, based on ± incO ꢃ ꢄ5.4mm are
rounded to tOe same number of significant figures
as in tOe original EnglisO units and are provided for
general information only.
INCH
mm
(1)
(3)
Tolerances unless otOerwise specified:
Linear ꢃ ± .1±ꢄ incOes (.31mm)
Angular ꢃ ± ꢄ degrees
CW
Model 44
1-23
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