SM-4TW500501 - Vishay Presicion Group

www.vishay.com For technical questions contact: copalsupport@vishay.com Document Number: 58008

1Revision: 13-Jul-05

SM-4

Vishay

Surface Mount Cermet Trimmers (12 Turns)

FEATURES

•Lead (Pb)-free soldering, Cadmium-free

•Fine adjustment is possible

•Automatic mounting is possible (Taping)

•Flow/reflow soldering is possible

•Sealed construction (Washable)

•RoHS compatible

RECOMMENDED P.C.B. PAD OUTLINE DIMENSIONS

SM-4A, EA SM-4W, EWSM-4B, EB

Note) The zero point is the center of mounting.

SM-4A

2–3

2.3

2–1.3

3.1

2.3

2–1.3

SM-4B SM-4W

6.1–3

9.2

2.54

2–1.3

DIMENSIONS in millimeters

Document Number: 58008 For technical questions contact: copalsupport@vishay.com www.vishay.com

Revision: 13-Jul-05 2

SM-4

Surface Mount Cermet Trimmers (12 Turns) Vishay

SM-4A, SM-4EA

Side adjustment

SM-4B, SM-4EB

Side adjustment

SM-4W, SM-4EW

Top adjustment

2.6

4.5 3

1.5, Slot 0.56W × 0.5D

3.7

Resistance code & Production date code t = 0.15

9.4

2.1

53.2

–2

Lead-free Identification mark

2.6

4.5 3.7

6.2

0.35 min.

0.56W× 0.5D

1.5, Slot

Resistance code & Production date code

9.4

53.2

2.1

0–

Lead-free Identification mark

32.6 5.1

5.3

1.7

3.8

0.56W× 0.5D

1.5, Slot

3.7

Resistance code & Production date code t = 0.15

8.0–2

Lead-free Identification mark

CW rotation

Note the terminal position.

OUTLINE DIMENSIONS

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

Document Number: 58008 For technical questions contact: copalsupport@vishay.com www.vishay.com

Revision: 13-Jul-05 3

SM-4

Vishay Surface Mount Cermet Trimmers (12 Turns)

PACKAGING SPECIFICATIONS

Taping packaging specifications

Taping version (SM-4TA, TB, ETA, ETB types) are packaged in 500 pcs. per reel.

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

SM-4TW, ETW types are packaged in 250 pcs. per reel.

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

Taping version is boxed with one reel.

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.

Direction of feed

HeadEnd

Leader

400 mm min.

)

BTE

ATE

/BT/AT(

08±)WTE/WT( 1

182 ± 1 (TW/ETW)

180 (TA/TB/ETA/ETB) 15.4±1 (TA/TB/ETA/ETB)

20.4±1 (TW/ETW)

21±0.8

13±0.2

2±0.5

17.4±1 (TW/ETW)

13 (TA/TB/ETA/ETB)

–1.5

SM-4TA/TB/ETA/ETB SM-4TW/ETW

8±0.1

4±0.1 2±0.05 0.3±0.1

4.5

5± 57.150

0±

Direction of feed

Installation example

(SM-4A/EA)

1.5

+0.1

12±0.1

4±0.1 2±0.05 0.3±0.1

5.75

5.7± 57.150.0±1.0

Direction of feed

Installation example

(SM-4W/EW)

1.5

+0.1

Vinyl bag packaging specifications

Unit of bulk in vinyl bag packaging is 50 pcs. per pack.

Boxing of bulk in vinyl bags is performed with 200 pcs. per box.

Document Number: 58008 For technical questions contact: copalsupport@vishay.com www.vishay.com

Revision: 13-Jul-05 4

SM-4

Surface Mount Cermet Trimmers (12 Turns) Vishay

MECHANICAL SPECIFICATIONS

Mechanical turn 12 turns

Operating torque 20 mN m {204 gf cm} maximum

Mechanical stop Clutch action

Rotational life 200 cycles [∆ R/R ≤ ± (3 Ω + 3 %)]

Thrust to shaft 5 N {0.51 kgf} minimum

Solderability Sn-Pb: 235 °C, 2 s

Sn-Cu (Lead (Pb)-free): 245 ± 3 °C, 2 ∼

3 s

Shear (Adhesion) 5 N {0.51 kgf} 10 s

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

Pull-off strength 5 N {0.51 kgf} 10s

ELECTRICAL CHARACTERISTICS

Nominal resistance range 10 Ω ∼ 2 MΩ

Resistance tolerance ± 10 %

Power ratings 0.25 W (85 °C) 0 W (150 °C)

Resistance law Linear law (B)

Maximum input voltage DC300 V or power rating,

whichever is smaller

Maximum wiper current 100 mA or power rating,

whichever is smaller

Effective electrical turn 10 turns

End resistance 1 % or 2 Ω, whichever is greater

C.R.V. 1 % or 3 Ω, whichever is greater

Operating temp. range - 6 ∼ 150 °C

Temp. coefficient ± 100 10-6 /°C maximum

Insulation resistance 1000 MΩ minimum (DC500 V)

Dielectric strength AC600 V, 60 s

Net weight Approx. 0.2 g

ENVIRONMENTAL SPECIFICATIONS

Test item Test conditions Specifications

Thermal shock - 65 ∼ 150 °C

(0.5 h), 5 cycles

[∆R/R ≤ 2 %]

[S.S. ≤ 1 %]

Humidity - 10 ∼ 65 °C

(Relative humidity

80 ∼ 98 %),

10 cycles, 240 h

[∆R/R ≤ 2 %]

Shock 981 m/s2, 6 ms

6 directions for 3

times each

[∆R/R ≤ 1%]

[S.S. ≤ 1 %]

Vibration Amplitude 1.52 mm

Acceleration

196 m/s2,

10 ∼ 2000Hz,

3 directions, 12

times each

Load Life 85 °C, 0.25 W, 1000

[∆R/R ≤ 2 %]

[S.S. ≤ 1 %]

Low temperature

operation

- 65 °C, 2 h [∆R/R ≤ 1 %]

[S.S. ≤ 1 %]

High temperature

exposure

150 °C, 250 h [∆R/R ≤ 2 %]

[S.S. ≤ 1 %]

Immersion seal 85 °C, 60 s No leaks (No

continuous bubbles)

Soldering heat Sn-Pb

260 °C, 10 s or

215 °C, 35 s

[∆R/R ≤ 1 %]

Sn-Cu

Flow: 260 °C ± 3 °C

as the temperature

in a pot of molten

solder, immersion

from head of

terminal to backside

of board, 5 ∼ 6 s,

two times maximum

Reflow: Peak

temperature 255 °C

(Please refer to the

profile below.)

Manual soldering:

350 ± 10 °C, 3 ∼ 4 s

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

°C

Document Number: 58008 For technical questions contact: copalsupport@vishay.com www.vishay.com

Revision: 13-Jul-05 5

SM-4

Vishay Surface Mount Cermet Trimmers (12 Turns)

*The products inticated by ∗ mark are manufactured upon

receipt of order basis

CFCs, Halon, Carbon tetrachloride and designated

bromic flame retardant PBBOs and PBBs are not used

in our products.

MAXIMUM INPUT RATINGS

Nominal

resistance

values (Ω)

Resistance

code

Maximum

input voltage

(V)

Maximum

wiper current

(mA)

10* 100 1.00 100

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

CONSTRUCTION

Part Name Material Flammability

1 Housing PPS

(Polyphenylenesulp

hide)

UL-94V-O

2 Cover Stainless steel -

3 Rotor gear PPS

(Polyphenylenesulp

hide)

UL-94V-O

4 Clutch springt Stainless steel -

5 Terminal pin Sn-Pb Copper alloy,

Solder-plated

Sn-C

Copper,

Sn-Cu-plated

6 Base element Ceramic -

7 Resistive element RuO2 cermet -

8 Electrode Ag-Pd cermet -

9 Wiper Multi metal alloy

10 “O” ring Silicone rubber UL-94HB

11 Base Epoxy UL-94V-O

12 Shaft Metal -

LIST OF PART NUMBERS

Form of packing

Adjustment

position

Shape of terminal Taping (reel) Vinyl bag

Sn-Pb Sn-Pb

(Lead (Pb)-free)

Sn-Pb Sn-Pb

(Lead (Pb)-free)

Top adjustment W (J-hook) SM-4TW SM-4ETW SM-4W SM-4EW

Side adjustment A (J-hook) SM-4TA SM-4ETA SM-4A SM-4EA

B (Gull wing) SM-4TB SM-4ETB SM-4B SM-4EB

Pieces in package TW, ETW: 250 pcs./reel

TA, ETA: 500 pcs./reel 50 pcs./pack

TB, ETB: 500 pcs./reel

Document Number: 58008 For technical questions contact: copalsupport@vishay.com www.vishay.com

Revision: 13-Jul-05 6

SM-4

Surface Mount Cermet Trimmers (12 Turns) Vishay

The products inticated by ∗ mark are manufactured upon

receipt of order basis

* The above part numbers are all available with the

respective combination of <Nominal resitance values>.

* Verify the above part numbers when placing orders.

* Taping specification is not sold seperately and must be

purchased in reel units.

FIG. 1: NOMINAL RESISTANCE VALUES

∗ 10 Ω∗ 20 Ω50 Ω100 Ω200 Ω500 Ω1 kΩ2 kΩ5kΩ

10 kΩ20 kΩ50 kΩ100 kΩ200 kΩ500 kΩ1 MΩ2 MΩ-

ORDERING INFO

SM-4 T A 1 kΩ(102)

SERIES NAME TERMINAL PIN FORM OF

PACKAGING

PRODUCT SHAPE

(SHAPE OF

TERMINAL)

RESISTANCE VALUE RESISTANCE CODE

Blank: Sn-Pb T: Taping

(Reel)

A: J-hook

E: Sn-Cu (Lead

(Pb)-free)

Blank: Bulk in

vinyl bags

B: Gull wing

W: J-hook

This product is manufactured by Copal Electronic Co. Ltd. of Tokyo, Japan and distributed by Vishay in North and South America only.

This product is not available from Vishay outside of North or South America.

Legal Disclaimer Notice

Vishay

Document Number: 91000 www.vishay.com

Revision: 08-Apr-05 1

Notice

Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,

or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.

Information contained herein is intended to provide a product description only. No license, express or implied, by

estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's

terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express

or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness

for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.

The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.

Customers using or selling these products for use in such applications do so at their own risk and agree to fully

indemnify Vishay for any damages resulting from such improper use or sale.