APPLICATION MANUAL
R82E2.pdf 97.09.29
This is the PDF file of catalog No.R82E-2.
R82E2.pdf 97.09.29
This is the PDF file of catalog No.R82E-2.
Contents
1. Features of Murata Chip Trimmer Potentiometers
2. Specifications
1. Precautions in Storage
1. Considerations in Design
2. Standard Land Patterns
1. One Side Chip Mounting
2. Both Side Chip Mounting
3. Mixed Mounting of Chip Components
and Leaded Components
1. Solder Paste Stenciling
2. Mounting the Product
3. Compatibility with Chip Placers
4. Sensor Level Adjustment
5. Reflow Soldering
6. Adhesive Application and Curing
Types and Characteristics of Adhesive
7. Flux Coating
Types and Characteristics of Flux
8. Wave Soldering
9. Soldering and Resoldering with a Soldering Iron
10. Cleaning
1. Adjustments
2. Automatic Adjustments
3. Lock Painting
Ex.1. Poor Contact Caused by Flux Adhesion
Ex.2. Cracking of the Substrate
Ex.3. Poor Contact Caused by a Deformed Driver Plate
R82E2.pdf 97.09.29
This is the PDF file of catalog No.R82E-2.
POZ3 Series
1. Features of Murata Chip Trimmer Potentiometers
RVG3S08 (for reflow soldering)
Driver plate
Wiper
Resistive element
(carbon)
Resin substrate
Terminal (3)
Terminal (1)
Terminal (2)
POZ3AN (Top adjustment type for reflow soldering)
POZ3KN (Rear adjustment type for reflow soldering)
Driver plate
Wiper
Terminal (2)
Resistive element (carbon)
Resin substrate
Terminal (3)
Terminal (1)
Driver plate
Wiper
Stopper Terminal (2)
Resistive element (cermet)
Ceramic substrate
Terminal (3)
Terminal (1)
Stopper
RVG3 Series
R82E2.pdf 97.09.29
This is the PDF file of catalog No.R82E-2.
RVG4M Series
RVG4M (for flow and reflow soldering)
Driver plate
Wiper
Terminal (2)
Resistive element (cermet)
Ceramic substrate
Terminal (3)
Terminal (1)
RVG3A08 (for flow and reflow soldering)
Driver plate
Wiper
Rubber
Terminal (2)
Ceramic substrate
Resistive element (cermet)
Terminal (3)
Terminal (1)
Gear
Case
Adjustment screw
Terminal (2)
Terminals(1) and (3)
Resistive element (cermet)
Ceramic substrate
Wiper
POG5 (for reflow soldering)
POG5 Series
82E2.pdf 97.09.29
This is the PDF file of catalog No.R82E-2.
2. Specifications
Cermet
Carbon
Triangular
3 (divider type)
1
Automatic
Manual
Reflow soldering
Flow soldering
Gold plating(nickel undercoating)
Solder plating (nickel undercoating)
3
3
3
3
Solder plating (copper undercoating)
3 mm square
4 mm square
5 mm square
1.50mm
1.85mm
2.00mm
2.10mm
3.70mm
5.00mm
0.040g(40mg)
0.080g(80mg)
0.180g(180mg)
Necessary
2
Not necessary
Possible
Not possible
250 pcs./reel
500 pcs./reel
1500 pcs./reel
2000 pcs./reel
2500 pcs./reel
POZ3 Series
RVG3 Series
RVG4M Series
POG5 Series
P
O
Z
3A
N
R
V
G
3S
08
R
V
G
3A
08
R
V
G
4M
08
R
V
G
4M
58
P
O
G
5A
N
P
O
G
5H
N
Item
Series
Resistive element
material
Terminal layout
No. of terminals
Adjustment method
Soldering
Electrode surface
treatment
Size
Product thickness
Product weight
Cleaning
Lock painting
Taping packaging
(reel with a diameter
of 180 mm)
1 They can be used as the rheostat type by connecting lands (2) and (3). (2 terminals (rheostat type) )
2 Cleaning is needed only when there is an adhesion of foreign matter such as flux on the resistive element.
3 Only terminal (2) is gold-plated with a nickel undercoat.
(1)
(3)
(2)
P
O
Z
3K
N
(1)
(2)
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