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 High solder-joint reliability by wide terminal construction

 Excellent heat dissipation characteristics by wide terminal construction

 AEC-Q200 compliant

 RoHS compliant

 Automotive electronic circuits including ECUs (Electrical control unit), anti-lock breaking systems

    and air-bag systems.

  

 Current sensing for power supply circuits in a variety of equipment.

 As for packaging methods, land pattern, soldering conditions and safety precautions,

 please see data files.

Note : Please check the "Ratings" for the presence/absence of part numbers for combinations of the symbols below.

Resistance value region

10 Ω

R

Part No.

Packaging methods

Resistance tolerance

Nominal resistance value

Shown by 3 digits or

letters. Only when it is

impossible,shown by 4

digits or letters.

(Ex.)

102 : 1.0 kΩ

4R7 : 4.7 Ω

R01:

 0.01Ω=10 mΩ

R015:

0.015Ω=15 mΩ

   ±1 

F

Packaging

Code

Tolerance

Code

0.22 Ω

R<10 Ω

V

ERJB2

ERJB3

G

Embossed carrier taping

4 mm pitch, 4,000 pcs

Punched carrier taping

4 mm pitch, 5,000 pcs

0.01 Ω

R<0.22 Ω

   ±2 

Thick film

chip resistors

Code

A
B

Product code

inch

Code

A1

1225

B1

1020

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

24-Feb-22

Embossed carrier taping

4 mm pitch, 5,000 pcs

ERJB1

ERJA1

U

J

   ±5 

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

0.005 Ω

R<0.01 Ω

C
D

B3

0508

B2

0612

(Wide Terminal Type)

High Power Chip Resistors

  Features

 Explanation of part numbers 

 Recommended applications

ERJ A, B type

ERJ A1, B1, B2, B3 

series

1

2

3

4

5

6

7

8

9

10

11

E

R

J

A

1

A

J

1

0

2

U

Summary of Contents for ERJ A1 Series

Page 1: ...Only when it is impossible shown by 4 digits or letters Ex 102 1 0 kΩ 4R7 4 7 Ω R01 0 01Ω 10 mΩ R015 0 015Ω 15 mΩ 1 F Packaging Code Tolerance Code 0 22 Ω R 10 Ω V ERJB2 ERJB3 G Embossed carrier taping 4 mm pitch 4 000 pcs Punched carrier taping 4 mm pitch 5 000 pcs 0 01 Ω R 0 22 Ω 2 Thick film chip resistors Code A B Product code inch Code A1 1225 B1 1020 Should a safety concern arise regarding t...

Page 2: ... 47mΩ R 100mΩ 200 400 1 1 100 2 5 5mΩ R 22mΩ 22mΩ R 47mΩ 0 to 200 47mΩ R 100mΩ 0 to 150 1 R 10Ω 70 95 1 2 5 ERJB1 1020 2 R 10Ω 2 5 1 R 10Ω 70 1 0 75 R 1kΩ 90 1 ERJB2 0612 1 5 R 1kΩ 125 0 75 R 10Ω 70 Grade 0 2 5 10m to 10k E24 10mΩ R 100mΩ 350 100mΩ R 10kΩ 200 0 to 300 22mΩ R 47mΩ 0 to 200 2 1 10mΩ R 22mΩ 0 to 350 22mΩ R 47mΩ 0 to 200 47mΩ R 100mΩ 0 to 150 100mΩ R 10kΩ 100 1 10m to 10 E24 2 5 0 to ...

Page 3: ...pecifications are each subject to change without notice Ask 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 24 Feb 22 Construction Example ERJA1 type Rated load Ambient temperature 60 20 0 20 60 40 80 100 80 100 140 180 0 40 40 160 120 60 20 155 55 70 ERJB1 R 10Ω ERJB3 60 20 0 ...

Page 4: ...0 0 20 0 70 0 20 0 45 0 20 0 55 0 10 L W A1 B1 T ERJA1 B2 b T a b T 0 30 0 20 0 30 0 20 0 50 0 20 0 25 0 20 a b T 0 70 0 20 1 25 0 15 L W 40 1 27 0 10 0 30 0 10 0 20 0 4 min C P øD A2 Mass Weight Reference g 1000 pcs Mass Weight Reference g 1000 pcs Part No Dimensions ERJB1 0 90 0 20 0 55 0 20 27 2 50 0 20 5 00 0 20 0 25 0 20 Mass Weight Reference g 1000 pcs Dimensions not to scale 11 0 65 0 15 0 ...

Page 5: ...rmance Circuit configuration Test Item Performance requirements R Test conditions ERJA1 Series ERJB1 Series Less than 10 mΩ Low resistance zone High resistance zone ERJB2 Series T C R Resistance Durability at rated ambient temperature or rated terminal part temperature Load life in humidity 1 Applicable to rated ambient temperature regulated products Damp heat Steady state High temperature exposur...

Page 6: ...ed by UN numbers 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 Restrictio...

Page 7: ...e printed board 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 th...

Page 8: ...resistor has 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 t...

Page 9: ...rocess the activation 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 corrosiv...

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