This is the PDF file of catalog No.R82E-2.
R82E2.pdf 97.09.29
APPLICATION MANUAL
This is the PDF file of catalog No.R82E-2.
R82E2.pdf 97.09.29
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
This is the PDF file of catalog No.R82E-2.
R82E2.pdf 97.09.29
1. Features of Murata Chip Trimmer Potentiometers
POZ3 Series
POZ3AN (Top adjustment type for reflow soldering)
Driver plate
Wiper
Terminal (2)
Resistive element
(carbon)
Resin substrate
Terminal (1)
Terminal (3)
POZ3KN (Rear adjustment type for reflow soldering)
Driver plate
Terminal (1)
Terminal (2)
Wiper
Terminal (3)
Resistive element (carbon)
Resin substrate
RVG3 Series
RVG3S08 (for reflow soldering)
Driver plate
Wiper
Stopper
Stopper
Terminal (2)
Resistive element (cermet)
Terminal (1)
Ceramic substrate
Terminal (3)
This is the PDF file of catalog No.R82E-2.
R82E2.pdf 97.09.29
RVG3A08 (for flow and reflow soldering)
Driver plate
Wiper
Terminal (2)
Resistive element (cermet)
Terminal (1)
Ceramic substrate
Terminal (3)
RVG4M Series
RVG4M (for flow and reflow soldering)
Terminal (2)
Driver plate
Wiper
Rubber
Ceramic substrate
Terminal (1)
Terminal (3)
Resistive element (cermet)
POG5 Series
POG5 (for reflow soldering)
Gear
Case
Terminals(1) and (3)
Adjustment screw
Terminal (2)
Wiper
Ceramic substrate
Resistive element (cermet)
This is the PDF file of catalog No.R82E-2.
82E2.pdf 97.09.29
2. Specifications
POZ3 Series
Series
08
RV
G3
S0
8
08
58
N
3K
N
3A
N
G5
A
RVG3 Series
RVG4M Series
POG5 Series
RV
RV
Resistive element
material
Terminal layout
No. of terminals
Adjustment method
Cermet
Carbon
Triangular
3 (divider type)
Automatic
Manual
1
Soldering
Reflow soldering
Flow soldering
Gold plating(nickel undercoating)
Electrode surface
treatment
Solder plating (nickel undercoating)
Solder plating (copper undercoating)
3 mm square
3
3
3
Size
4 mm square
5 mm square
1.50mm
1.85mm
Product thickness
2.00mm
2.10mm
3.70mm
5.00mm
0.040g(40mg)
Product weight
0.080g(80mg)
0.180g(180mg)
Cleaning
Necessary
2
Not necessary
Lock painting
Possible
Not possible
250 pcs./reel
Taping packaging
(reel with a diameter
of 180 mm)
500 pcs./reel
1500 pcs./reel
2000 pcs./reel
2500 pcs./reel
(2)
(3)
They can be used as the rheostat type by connecting lands (2) and (3). (2 terminals (rheostat type)
(1)
1
(1)
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.
(2)
)
RV
3
PO
Item
PO
G5
H
G4
M
PO
Z
PO
Z
G4
M
G3
A
N