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Current Sensing Resistors, Metal Plate Type

●An example of a land pattern

Type

Part No.

Dimensions (mm)

L

W

Dimensions in mm (not to scale)

T Type

ERJM1WT

6.40±0.40

2.10±0.30

T

a

S Type

ERJM1WS

6.40±0.25

3.20±0.25

0.80±0.30

1.00±0.25

a

b

c

ERJM1WS

2.1

3.4

4.2

Should a safety concern arise regarding this product, please be sure to contact us immediately.

1-Apr-21

Construction

Recommended Land Pattern

Mass (Weight) 

(g/1000 pcs)

70
90

ERJM1WT

3.1

3.4

2.2

Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.

Part No.

Dimensions (mm)

Protective coating : Resin

Terminal : Plated Metal

a

W

T

L

Resistive Body : Alloy Plate 

a

b

c

Wiring pattern
(copper trace)

Land pattern

Solder resist

Downloaded from

Arrow.com.

Summary of Contents for ERJ M1W Series

Page 1: ...k factory for the current technical specifications before purchase and or use Should a safety concern arise regarding this product please be sure to contact us immediately 1 Apr 21 Explanation of Part Numbers Code inch size Power Rating ERJM1WT 2512 1 1 5 2 3 4 Circuit board of use ERJM1WS 2512 1 3 4 F 1 J 5 You should use the aluminum substrate when the added wattage exceeds 0 5 W 5 6 10 15 20 J ...

Page 2: ...ng this product please be sure to contact us immediately 1 Apr 21 Construction Recommended Land Pattern Mass Weight g 1000 pcs 70 90 ERJM1WT 3 1 3 4 2 2 Design and specifications are each subject to change without notice Ask factory for the current technical specifications before purchase and or use Part No Dimensions mm Protective coating Resin Terminal Plated Metal a W T L Resistive Body Alloy P...

Page 3: ...ers UN classifications etc does not apply to this product In addition when exporting products product specifications and technical information described in this catalog please comply with the laws and regulations of the countries to which the products are exported especially those concerning security export control Each model of this product complies with the RoHS Directive Restriction of the use ...

Page 4: ...rd or a drying condition for drying the printed board after soldering the resistor is improper it may have a negative effect on the performance reliability of the resistor Confirming these conditions sufficiently is your own responsibility Also examine the effects of soiled cleaning agent cleaning residues and post cleaning contaminations and control for these effects properly When the resistor is...

Page 5: ...been soldered be careful that the board does not bend excessively If necessary provide the board with backup pins support pins to keep it straight Avoid manual board splitting Use a jig etc to break the board so that it does not bend excessively when split apart When the product is used under mounting conditions departing from mounting conditions specified in our specification sheet the product ma...

Page 6: ...tivation energy of the flux may corrode the resistor and cause it to fail Prevent solder flux from sticking to the resistor Keeping the product in the following environments or conditions may lead to degradation of its performance solderability etc Do not keep the product in the following environments 1 Stored in a place where the product is heavily exposed to sea breeze or a corrosive gas such as...

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