SM-42W 50K??(503) - COPAL - Datasheet.Live

SM-42/43

● RoHS compliant

● Fine adjustment is available

● Automatic mounting is available (Taping)

● Reflow soldering is available

● Sealed construction (Washable: Refer to A-328)

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FEATURES

Part name Material Flammability

Rotor gear

Shaft

Terminal pin

Electrode

Base element

Resistive element

Housing

Adhesive

INTERNAL STRUCTURE

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PART NUMBER DESIGNATION

※Please refer to the LIST OF PART NUMBERS when placing orders.

S M - 4 □T W 1 0 0 Ω( 1 0 1 )

Series name

Electrical turn

2：11 turns

3：5 turns

Form of packaging

T：Taping (Reel)

Blank：Bulk in plastic bag

Resistance code

Resistance value

Product shape (Shape of terminal)

W, X：Top adjustmet

A, B：Side adjustmet

Epoxy

Multi metal alloy

Copper alloy, Sn-Cu-plated

Polyamide

Brass, Nickel-plated

RoHS compliant

SURFACE MOUNT CERMET TRIMMERS

 Specifications are subject to chan

e without notice.

PPS(Polyphenylenesulphide)

UL94-V-0

Ceramic

Ag-Pd cermet

RuO cermet

UL94-HB equivalent

Wiper

UL94-V-0

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Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.

COPAL ELEC

NIC

Top adjustment

Side adjustment

Top adjustment

Side adjustment

Pieces in package

Adjustment

position

Electrical turn

Shape of terminal

Form of packaging

Taping (reel) Plastic bag

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LIST OF PART NUMBERS

W(J-hook)

SM-42TW SM-42W

SM-42TX SM-42X

SM-42TA SM-42A

SM-42TB SM-42B

SM-43TW SM-43W

SM-43TX SM-43X

SM-43TA SM-43A

SM-43TB SM-43B

TA, TB : 500 pcs./reel

TW, TX : 250 pcs./reel

50 pcs./pack

〈

Nominal resistance values

〉

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ELECTRICAL CHARACTERISTICS

■

MECHANICAL CHARACTERISTICS

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ENVIRONMENTAL CHARACTERISTICS

A10 ΩA20 Ω50 Ω100 Ω200 Ω500 Ω1 kΩ2 kΩ5 kΩ

10 kΩ20 kΩ50 kΩ100 kΩ200 kΩ500 kΩ1 MΩ2 MΩFig. 1

The products indicated by

mark are manufactured upon receipt of order basis.

※The above part numbers are all available with the respective combination of

<Nominal resistance values> (Fig. 1).

※Verify the above part numbers when placing orders.

※

Taping specification is not sold separately and must be purchased in reel units.

SM-42/43

SURFACE MOUNT TRIMMERS

X(Gull wing)

(J-hook)

(Gull wing)

W(J-hook)

X(Gull wing)

(J-hook)

(Gull wing)

Reflow profile for soldering heat evaluation

〉

Reflow : two times maximum

Peak : 250

Over 230 °C

Pre Heating Zone

180 °C

(°C)

250

200

150

100

150 °C

90 ± 30 s

30 ± 10 s

Soldering Zone

Heating time

Temperature

°C

Soldering heat [

R/R ≦1 %]

Reflow : Peak temperature 255 °C

(Please refer to the profile below.)

Manual soldering：

350 ±10 °C, 3 ~ 4 s

Operating torque

Mechanical stop

Rotational life

Thrust to shaft

Solderability

Shear (Adhesion)

Substrate bending

Pull-off strength

17.6 mN·m {180 gf·cm} maximum

Clutch action

200 cycles [

R/R ≦±(3 Ω+3 %)]

5 N {0.51 kgf} minimum

245 ±3 °C, 2 ~ 3 s

5 N {0.51 kgf} 10 s

Width 90 mm, bend 3 mm, 5 s, 1 time

5 N {0.51 kgf} 10 s

{ }

：

Reference only

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

10 Ω~ 2 MΩ

±10 %

0.25 W (85 °C) 0 W (150 °C)

Linear law

DC300 V or power rating, whichever is smaller

100 mA or power rating, whichever is smaller

11 turns (SM-42), 5 turns (SM-43)

1 % or 2 Ω, whichever is greater

1 % or 3 Ω, whichever is greater

−65 ~ 150 °C

±100 10-6/°C maximum

100 MΩminimum (DC500 V)

AC600 V, 60 s

Approx. 0.17 g

Test item Test conditions Specifications

Thermal shock

Humidity

Shock

Vibration

Load life

Low temp. operation

High temp. exposure

Immersion seal

R/R：Change in total resistance

S.S. ：Setting stability

−65 ~ 150 °C (0.5 h), 5 cycles [

R/R ≦2 %]

[S.S. ≦1 %]

−10 ~ 65 °C (80 ~ 98 %),

10 cycles, 240 h

[

R/R ≦2 %]

981 m/s2, 6 ms

6 directions for 3 times each [

R/R ≦1 %]

[S.S. ≦1 %]

Amplitude 1.52 mm or

Acceleration 196 m/s2,

10 ~ 2000 Hz, 3 directions, 12 times each

85 °C, 0.25 W, 1000 h [

R/R ≦3 % or 3 Ω]

[S.S. ≦2 %]

−65 °C, 2 h [

R/R ≦1 %]

[S.S. ≦1 %]

150 °C, 250 h [

R/R ≦2 %]

[S.S. ≦1 %]

85 °C, 60 s

No leaks (No continuous bubbles)

■

Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.

COPAL ELEC

NIC

000 0

2.3 2.3

2.54

1.3 1.3

1.3

1.6

1.9

5.2

2.9

5.1

1.3

1.6

1.9

Nominal resistance

values (Ω)

Resistance code Maximum input

voltage (V)

Maximum wiper

current (mA)

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MAXIMUM INPUT RATINGS

A 10 100 1.00 100

A 20 200 2.00 100

50 500 3.53 70.7

100 101 5.00 50.0

200 201 7.07 35.4

500 501 11.2 22.4

1 k 102 15.8 15.8

2 k 202 22.4 11.2

5 k 502 35.4 7.07

10 k 103 50.0 5.00

20 k 203 70.7 3.54

50 k 503 112 2.24

100 k 104 158 1.58

200 k 204 223 1.12

500 k 504 300 0.60

1 M 105 300 0.30

2 M 205 300 0.15

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RECOMMENDED P.C.B. PAD OUTLINE DIMENSIONS (Unit: mm)

● SM-42/43A ● SM-42/43B ● SM-42/43W ● SM-42/43X

Note) The zero point is the center of mounting.

The products indicated by A mark are manufactured upon receipt of order basis.

SM-42/43

SURFACE MOUNT TRIMMERS

■

Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.

COPAL ELEC

NIC

2.54

2 – 0.8

2.6

3.5

3.9

Resistance code & Production date code

1.3

1.2

4.8

3 – 1

5.1

5.3

3 – 0.9

0.56W × 0.5D

1.5, Slot

2.54

2 – 0.8

3.5

5.7

1.3

1.2

4.8

3 – 1

5.1

5.3

0.56W × 0.5D

Resistance code & Production date code

1.5, Slot

2.3

①

③

②

2 – 0.9

2.6

3.7

Resistan ce code & Produ ction d ate code

1.3

1.2

4.8

3 – 1

4.6

3 – 0.8

0.56W × 0.5D

1.5, Slot

2.3

2 – 0.9

2.8

3.9

Resistance code & Production date code

1.3

1.2

4.8

3 – 0.6

4.6

0.56W × 0.5D

1.5, Slot

SM-42/43

SURFACE MOUNT TRIMMERS

● SM-42/43W

● SM-42/43X

● SM-42/43A

● SM-42/43B

CW rotation

※

Note the terminal position.

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OUTLINE DIMENSIONS Unless otherwise specified, tolerance : ±0.3 (Unit : mm)

■

Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.

COPAL ELEC

NIC

■

PACKAGING SPECIFICATIONS

● Taping version (SM-42/43TA, TB) is packaged in 500 pcs. per reel.

Orders will be accepted for units of 500 pcs., i.e., 500, 1000, 1500 pcs., etc.

SM-42/43TW, TX is packaged in 250 pcs. per reel.

Orders will be accepted for units of 250 pcs., i.e., 500, 750 pcs., etc.

Maximum number of consecutive missing pieces = 2

Leader length and reel dimension are shown in the dia-grams below.

● EMBOSSED TAPE DIMENSIONS ● REEL DIMENSIONS

（Conforms to JIS C 0806-3）

（TA/TB type : In accordance with EIAJ ET-7200A）

(Unit: mm)

Empty Filled Empty

40 mm min. 20 pitches min.

400 mm min.

Direction of feed

Head

End

Leader

60 +1

180

180 (TA/TB) 15.4±1 (TA/TB)

19.5±1 (TW/TX)

21±0.8

13±0.2

2±0.5

17±0.3 (TW, TX)

13 (TA/TB)

–1.5

(TW, TX)

–3

● SM-42/43TW/TX ● SM-42/43TA/TB

4± 0.1

0.5 ± 0.1

5.75

Cross section A-A

Installation

example

(SM-42W)

1.5

+0.1

2± 0.1

12 ± 0.1

7.5 ± 0.1

16 +0.3

–0.1

1.75 ± 0.1

4± 0.1

1.5

+0.1

2± 0.1

8± 0.1

0.4 ± 0.1

4.5

5.5 ± 0.05 1.75 ± 0.1

(SM-42A)

Cross section A-A

Installation

example

● Unit of bulk in a plastic bag is 50 pcs. per pack.

● Boxing of bulk in a plastic bag is performed with 200 pcs. per box.

SM-42/43

SURFACE MOUNT TRIMMERS