SM-42TA503 Copal Electronics Inc, SM-42TA503 Datasheet - Page 2

• Manufacturer Part Number: SM-42TA503
• Description: POT 50K OHM 4MM CERMET SIDE SMD
• Manufacturer: Copal Electronics Inc
• Series: SM4r

Specifications of SM-42TA503

• Resistance (ohms): 50K
• Power (watts): 0.25W, 1/4W
• Taper: Linear
• Tolerance: ±10%
• Temperature Coefficient: ±100ppm/°C
• Number Of Turns: 11
• Adjustment Type: Side Adjustment
• Mounting Type: Surface Mount
• Resistive Material: Cermet
• Package / Case: Square - 0.189" L x 0.181" W x 0.146" H (4.80mm x 4.60mm x 3.70mm)
• Resistance In Ohms: 50.0K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SM-42TA503TR

■
■
Reflow profile for soldering heat evaluation
■ Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.
Electrical turn
Pieces in package
Nominal resistance range
Resistance tolerance
Power ratings
Resistance law
Maximum input voltage
Maximum wiper current
Effective electrical turn
End resistance
C.R.V.
Operating temp. range
Temp. coefficient
Insulation resistance
Dielectric strength
Net weight
LIST OF PART NUMBERS
ELECTRICAL CHARACTERISTICS
11
5
250
200
150
100
( C)
50
Top adjustment
Top adjustment
Adjustment
Side adjustment
Side adjustment
position
180 C
150 C
Shape of terminal
W
X
A
B
W
X
A
B
(J-hook)
(Gull wing)
(J-hook)
(Gull wing)
(J-hook)
(Gull wing)
(J-hook)
(Gull wing)
Pre Heating Zone
DC300 V or power rating, whichever is smaller
100 mA or power rating, whichever is smaller
Peak : 250
Heating time
Reflow : two times maximum
11 turns (SM-42), 5 turns (SM-43)
Over 230 C
90 30 s
1 % or 2 , whichever is greater
1 % or 3 , whichever is greater
100 M minimum (DC500 V)
0.25 W (85 °C) 0 W (150 °C)
30 10 s
100 10
+5
0
Approx. 0.17 g
C
AC600 V, 60 s
10
TW, TX : 250 pcs./reel
TA, TB : 500 pcs./reel
Linear law
65 ~ 150 °C
Soldering Zone
Taping (reel)
-6
SM-42TW
SM-43TW
SM-42TX
SM-42TA
SM-42TB
SM-43TX
SM-43TA
SM-43TB
/°C maximum
10 %
~ 2 M
Form of packaging
〉
50 pcs./pack
Plastic bag
SM-42W
SM-43W
SM-42X
SM-42A
SM-42B
SM-43X
SM-43A
SM-43B
〈
The products indicated by A mark are manufactured upon receipt of order basis.
※The above part numbers are all available with the respective combination of
※Verify the above part numbers when placing orders.
※Taping specification is not sold separately and must be purchased in reel units.
■
■
A
Operating torque
Mechanical stop
Rotational life
Thrust to shaft
Solderability
Shear (Adhesion)
Substrate bending
Pull-off strength
Thermal shock
Humidity
Shock
Vibration
Load life
Low temp. operation
High temp. exposure
Immersion seal
Soldering heat
10 k
Nominal resistance values
<Nominal resistance values> (Fig. 1).
10
Test item
MECHANICAL CHARACTERISTICS
ENVIRONMENTAL CHARACTERISTICS
A
20 k
20
50 k
50
SURFACE MOUNT TRIMMERS
10 ~ 2000 Hz, 3 directions, 12 times each
Reflow : Peak temperature 255 °C
(Please refer to the profile below.)
Manual soldering：
6 directions for 3 times each
65 ~ 150 °C (0.5 h), 5 cycles
100 k
100
85 °C, 0.25 W, 1000 h
Amplitude 1.52 mm or
10 ~ 65 °C (80 ~ 98 %),
Acceleration 196 m/s
COPAL ELECTRONICS
Test conditions
981 m/s
10 cycles, 240 h
150 °C, 250 h
350 10 °C, 3 ~ 4 s
200 k
200
85 °C, 60 s
65 °C, 2 h
Width 90 mm, bend 3 mm, 5 s, 1 time
200 cycles [ Δ R/R ≦
17.6 mN·m {180 gf·cm} maximum
2
500 k
, 6 ms
500
5 N {0.51 kgf} minimum
SM-42/43
245 3 °C, 2 ~ 3 s
5 N {0.51 kgf} 10 s
5 N {0.51 kgf} 10 s
Δ R/R：Change in total resistance
S.S. ：Setting stability
2
1 M
1 k
〉
,
Clutch action
2 M
2 k
No leaks (No continuous bubbles)
[ Δ R/R ≦ 3 % or 3 ]
[ Δ R/R ≦ 2 %]
[ Δ R/R ≦ 2 %]
[ Δ R/R ≦ 1 %]
[ Δ R/R ≦ 1 %]
[ Δ R/R ≦ 2 %]
[ Δ R/R ≦ 1 %]
{ }
Specifications
[S.S. ≦ 1 %]
[S.S. ≦ 1 %]
[S.S. ≦ 2 %]
[S.S. ≦ 1 %]
[S.S. ≦ 1 %]
(3
5 k
：
Reference only
Fig. 1
3 %)]