COPAL ELECTRONICS
SINGLE TURN
SURFACE MOUNT
TYPE TRIMMERS
ST-4
SURFACE MOUNT TYPE TRIMMERS
INTERNAL STRUCTURE
1
7
2
6
5
3
4
8
9
Part name
Material
Flammability
1
Multi metal alloy
2
Cover
Stainless steel (SUS 304)
3
Housing
4
Terminal pin
Copper alloy, Solder-plated
5
Base element
Ceramic
“O” ring
7
Rotor
8
Electrode
Ag-Pd cermet
9
q Wide variety (7 types) to choose from
q Automatic mounting is possible (Taping)
q Flow/reflow soldering is possible
q Sealed construction (Washable)
q Sure mechanical stops
q Cross slot rotor available
Wiper
6
s FEATURES
Resistive element
RuO2 cermet
—
UL-94V-0
Epoxy
—
Silicone rubber
UL-94HB
PPS (Polyphenylenesulphide)
UL-94V-0
—
CFCs, Halon, Carbon tetrachloride and designated bromic flame
retardant PBBOs and PBBs are not used in our products.
s PART NUMBER DESIGNATION
S T - 4 2 T A 2 0 0 Ω ( 2 0 1 )
Series name
Resistance code
Form of slot
Resistance value
Blank : –
2:+
Form of packaging
Product shape (Shape of terminal)
T : Taping (Reel)
M : Magzine (Stick)
Blank : Bulk in vinyl bags
A, G : J-hook
B, D, H : Gull wing
C, F : Through hole pins
❈ Please refer to the LIST OF PART NUMBERS when placing orders.
s Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.
