3299Y-1-473 Bourns Inc., 3299Y-1-473 Datasheet
3299Y-1-473
Manufacturer Part Number
3299Y-1-473
Description
TRIMMER - 3/8" SQ MT CERMET
Manufacturer
Bourns Inc.
Series
3299 - Sealedr
Datasheet
1.3299Z-1-505LF.pdf
(1 pages)
Specifications of 3299Y-1-473
Resistance (ohms)
47K
Termination Style
PC Pin
Power (watts)
0.5W, 1/2W
Tolerance
±10%
Temperature Coefficient
±100ppm/°C
Number Of Turns
25
Adjustment Type
Top Adjustment
Resistive Material
Cermet
Mounting Type
Through Hole
Package / Case
Square - 0.395" L x 0.240" W x 0.375" H (10.03mm x 6.10mm x 9.53mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Electrical Characteristics
Standard Resistance Range
Resistance Tolerance ........... ±10 % std.
Absolute Minimum Resistance
Contact Resistance Variation
Adjustability
Resolution ................................... Infi nite
Insulation Resistance ............... 500 vdc.
Dielectric Strength
Effective Travel .................25 turns nom.
Environmental Characteristics
Power Rating (300 volts max.)
Temperature Range ... -55 °C to +125 °C
Temperature Coeffi cient ... ±100 ppm/°C
Seal Test ......................85 °C Fluorinert†
Humidity .......MIL-STD-202 Method 103
Vibration ....... 20 G (1 % ΔTR; 1 % ΔVR)
Shock ......... 100 G (1 % ΔTR; 1 % ΔVR)
Load Life
Rotational Life .......................200 cycles
Physical Characteristics
Torque ............................. 3.0 oz-in. max.
Mechanical Stops ................. Wiper idles
Terminals .......................Solderable pins
Weight ..................................... 0.035 oz.
Marking ........................... Manufacturer’s
Wiper ............... 50 % (Actual TR) ±10 %
Flammability ..........................U.L. 94V-0
Standard Packaging .....50 pcs. per tube
Adjustment Tool ..............................H-90
Voltage .................................. ±0.01 %
Resistance ............................ ±0.05 %
Sea Level................................ 900 vac
70,000 Feet ............................ 350 vac
70 °C ...................................... 0.5 watt
125 °C ....................................... 0 watt
................................10 to 2 megohms
........................... 1 % or 2 ohms max.
........................ 1.0 % or 3 ohms max.
............. 1,000 hours 0.5 watt @ 70 °C
(see standard resistance table)
trademark, resistance code,
(2 % ΔTR, 10 Megohms IR)
(tighter tolerance available)
wiring diagram, date code,
(3 % ΔTR; 3 % or 3 ohms,
whichever is greater, CRV)
(4 % ΔTR; 3 % or 3 ohms,
whichever is greater, CRV)
manufacturer’s model
(whichever is greater)
(whichever is greater)
1,000 megohms min.
number and style
96 hours
Features
■
■
■
■
■
3299Z
TOLERANCES: ±
3299 - 3/8 ” Square Trimpot
3299P
Common Dimensions
3299W
X
X
3299X
3299Y
ADJ. SLOT
(.090)
(.022)
(.025)
Product Dimensions
2.29
3/8 ” Square/ Multiturn / Cermet /
Industrial / Sealed
Five popular terminal styles
Standoffs
RoHS compliant* version available
For trimmer applications/processing
guidelines,
.56
.64
CCW
(.015)
.38
WIDE
DIA.
DEEP
1
DIMENSIONS:
(.375)
2
10.03
(.395)
9.53
CLOCKWISE
3
1
(.100)
(.060)
(.100)
click here
2.54
1.52
(.100)
(.100)
2.54
(.100)
2.54
2.54
(.010)
2.54
BOTTOM VIEW
0.25
(.043)
1.09
(.044)
1.12
2
(.100)
MIN.
(.100)
(.100)
2.54
(.100)
2.54
2.54
2.54
(INCHES)
WIPER
EXCEPT WHERE NOTED
MM
(.020)
(.206)
.51
5.23
(.075)
1.91
2
2
3
1
2
3
1
3
1
BOTTOM VIEW
BOTTOM VIEW
BOTTOM VIEW
Customers should verify actual device performance in their specifi c applications.
DIA. TYP.
2
(.240 +.012/-.010 )
1
3
BOTTOM VIEW
3
(.100)
6.10 +.30/-.25
2.54
CW
(.245 ± .045)
6.22 ± 1.14
(.100)
(.075)
2.54
(.075)
(.075)
1.91
1.91
1.91
(.100)
(.100)
2.54
2.54
®
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Trimming Potentiometer
Popular distribution resistance values listed in
boldface. Special resistances available.
Model
Style
Standard or Modifi ed
Product Indicator
Resistance Code
Terminations
Consult factory for other available options.
How To Order
Standard Resistance Table
-1 = Standard Product
LF =
Blank = 90 % Tin / 10 % Lead-plated
Specifi cations are subject to change without notice.
“Trimpot” is a registered trademark of Bourns, Inc.
†“Fluorinert” is a registered trademark of 3M Co.
Resistance
1,000,000
2,000,000
100,000
200,000
250,000
500,000
(Ohms)
10,000
20,000
25,000
50,000
1,000
2,000
5,000
100
200
500
100 % Tin-plated (RoHS compliant)
(Standard)
10
20
50
3299 W - 1 - 103 LF
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
205
REV. 08/10
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