IA
N
Features
Cermet / Sealed
n
Compatible with surface mount
manufacturing processes
n
Miniature design for flexibility
n
RoHS compliant*
n
Surface mount 2 mm Square / Single-turn /
T
0.35
(.014)
2 PLCS.
3
1
1.25
(.049)
0.45
(.018)
2 PLCS.
*R
oH
S
C
guidelines, click here
OM
n
For trimmer applications/processing
PL
F
RE
E
LE
AD
3312 - 2 mm SMD Trimpot Trimming Potentiometer
®
Product Dimensions
ELECTRICAL ADJUSTMENT SLOT
0.35
1.5
0.3
WIDE X
LONG X
DEEP
(.014)
(.059)
(.012)
1.7
(.067)
0.2
(.008)
Standard Resistance Range
...................... 10 ohms to 2 megohms
(see standard resistance table)
Resistance Tolerance ............ ±20 % std.
End Resistance ......1 % or 2 ohms max.
(whichever is greater)
Contact Resistance Variation
............................5 % or 3 ohms max.
(whichever is greater)
Adjustability
Voltage Divider .........................±0.4 %
Rheostat ...................................±0.8 %
Resolution.................. Essentially infinite
Insulation Resistance .............. 500 VDC
100 megohms min.
Dielectric Strength
Sea Level ..............................500 VAC
70,000 Feet ...........................350 VAC
Adjustment Angle.................. 255 ° nom.
Environmental Characteristics
Electrical Characteristics
Recommended Land Pattern
1.0
(.039)
0.9
(.035)
Ro VE LEA
HS RS D
C ION FRE
OM S E
PL AR
IA E
NT
*
2.8
(.110)
1.6
(.063)
2.5
(.098)
0.7
(.028)
2
0.65
(.026)
2 PLCS.
0.45
(.018)
0.5
(.020)
0.9
(.035)
2 PLCS.
Standard Resistance Table
Resistance
(Ohms)
10
20
50
100
200
500
1,000
2,000
5,000
10,000
20,000
50,000
100,000
200,000
500,000
1,000,000
2,000,000
Part Marking
Code
A1
U1
V1
A2
U2
V2
A3
U3
V3
A4
U4
V4
A5
U5
V5
A6
U6
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
503
104
204
504
105
205
1.9
(.075)
Power Rating (50 volts max.)
70 °C ...................................... 0.1 watt
125 °C ....................................... 0 watt
Operating Temperature Range
................................-55 °C to +125 °C
Temperature Coefficient ....±100 ppm/°C
Seal Test ..85 °C Fluorinert†/60 seconds
Humidity........ MIL-STD-202 Method 106
TRS ±5 %; IR 10 megohms
Vibration ..... 20 G TRS ±1 %; VRS ±1 %
Shock........ 100 G TRS ±1 %; VRS ±1 %
Load Life @ 70 °C Rated Power
............................................TRS ±3 %
Rotational Life.........25 cycles TRS ±3 %
Thermal Shock ..........................5 cycles
TRS ±2 %; VRS ±4 %
Mechanical Stop ................... 285 ° nom.
Torque.............................. 0.7 oz-in. max
Stop Strength.................. 0.7 oz-in. nom.
Weight .............. Approximately 0.0321 g
Marking
......... Resistance code and date code
Standard Packaging ..... 500 pcs./7 ” reel
(MSL-1)
Physical Characteristics
0.35
(.014)
2 PLCS.
3
1
1.25
(.049)
0.45
(.018)
2 PLCS.
Popular values listed in boldface. Consult factory
for special resistances.
How To Order
1.7
(.067)
0.2
(.008)
3312 J - 1 - 502 E
Model
Style
Standard Product Indicator
-1 = Standard Product
Resistance Code
0.9
(.035)
DIMENSIONS:
TOLERANCE:
1.0
(.039)
MM
(INCHES)
± 0.30
(± .012)
Embossed Tape Designator
E = 500 pcs./7 ” Reel (MSL-1)
Tape and reel material meets Antistatic ANSI/
ESD 5541-2003 packaging standards.
2
CCW
WIPER
1
CLOCKWISE
1.6
(.063)
3
CW
0.9
(.035)
0.5
0.65
2 PLCS.
(.020)
(.026)
2 PLCS.
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
†“Fluorinert” is a registered trademark of 3M Co.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
3312 - 2 mm SMD Trimpot
®
Trimming Potentiometer
Processing Information
Process Description
1. Apply solder paste to test board
(8 - 10 mil thick)
Materials
Temperature
Time Interval
• Sn 96.5/Ag 3.0/Cu 0.5 Alloy
Room temperature
water soluble or no clean solder
paste
• Single sided epoxy glass
(G10) (UL approved)
• PC board approx. 4x4x.06 in.
6 units/board
Convection oven
High pressure deionized water
65 PSI maximum
tP
RAMP-UP
tL
CRITICAL ZONE
TL TO TP
2. Place test units onto board
3. Ramp up
4. Preheat (TS)
5. Time above liquidus (TL)
6. Peak temperature (TP)
7. Ramp down
8. Cleaning water clean profile
150 °C to 190 °C
220 °C
Room temperature
72 °F to 160 °F
(22 °C to 71 °C)
2.5 °C ±0.5 °/second
90 ±30 seconds
60-90 seconds
250 °C +0 °/-5 °
10-20 sec. within 5 °C of peak
3 °C ±0.5 °C/second
As required
TP
TL
TEMPERATURE
TS
MAX.
TS
MIN.
ts
PREHEAT
RAMP-DOWN
t 25 °C TO PEAK
8 MINS./248.9 °C
TIME
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
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