28

Chip

Resistor

Networks

Product specifications contained in this catalogue are subject to change at any time without notice. Please confirm specifications with your order.

RAC

16

Style

8

C

TP

103

J

U

KAMAYA OHM

1. Highly suitable for the purposes of pull-up and pull-down.

2. Easy to handle because of no specified direction for 

mounting due to the symmetrical position of common 

terminals.

•Stability Class : 5%

RAC168U

FIXED CHIP RESISTOR NETWORKS; RECTANGULAR TYPE

R

1

R

1

=R

2

=...=R

7

=R

8

R

2

R

3

R

4

R

5

R

6

R

7

R

8

  

Rated resistance is marked with
3-digit on the over coating.

Circuits

Q

1

Q

2

D

a

L

W

b

H

P

Unit : mm

*Values for reference

0.64

0.3  

0.2     0.3

0.15

*Q

2

0.53

0.32

0.10

0.5

0.1

0.32

0.10

1.6

0.1

3.2

0.2

*Unit weight/pc.

*P

b

a

Q

1

7.6mg

H

D

W

L

 

 

•  Making the parallel 8-Elements 

resister for pull-up / pull-down 
into one chip.

•  Ideal for high density SMT 

applications as direct mounting 
on the bus line is possible.

Vcc

  ! 

Example

Product Type

* Packaging & Standard Qty. (Min.)

Bulk (Loose Package)

B

Paper Tape

1,000pcs.

5,000pcs.

TP

Tolerance on Rated Resistance

J

5%

Rated Resistance

E24 Series
e.g. : 103=10k ohm

Circuits

U

RAC168U

Common Electrode 2: Same Type

No. of Elements

8

8-Elements

*Refer to Tape and Packaging information on pages 46 and 47.

Terminal Style

With corner

RAC168U

C

Size

16

W:1.6mm

 Convex Type

29

Chip

Resistor

Networks

Product specifications contained in this catalogue are subject to change at any time without notice. Please confirm specifications with your order.

FIXED CHIP RESISTOR NETWORKS; RECTANGULAR TYPE      

     

            RAC168U

Ambient Temperature(

°

C)

Percentage of the rated dissipation(%)

•

Derating Curve

The derated values of dissipation for temperatures in excess of
70

°

C shall be indicated by the following Curve.

KAMAYA OHM

RAC168U

0.063

25

250

200

10

18

20

1M

J(

5%)

E24

100

55

125

100

0

55

125

70

•

Climatic Category

55/125/56

Lower Category Temperature

-

55

°

C

Upper Category Temperature

+

125

°

C

Duration of the Damp heat, Steady-State Test

56 days

•

Ratings

Style

Rated Dissipation

at 70

°

C

W

Limiting Element

Voltage

V

Temperature Coefficient

of Resistance

10

-6

/

°

C

Tolerance on

Rated Resistance

Rated Resistance

Range

Preferred Number 

Series for

Resistors

Isolation

Voltage

V

Category Temperature

Range

°

C

Note1. Rated Voltage =   (Rated Dissipation)

´

(Rated Resistance).  (d.c. or a.c. r.m.s. Voltage)

Note2. Limiting Element Voltage can only be applied to resistors  when the resistance value is equal to or higher than the critical resistance value.
Note3. Critical Resistance Value is the resistance value at which the rated voltage is equal to the limiting element voltage.

•

Performance Characteristics  

JIS C 5201-1 : 1998

Description

Requirements

Test Methods

Clause 4.7

Clause 4.13

Clause 4.23

Clause 4.25.1

Clause 4.8

Clause 4.17

Clause 4.18

Clause 4.19

Clause 4.25.3

Clause 4.32

Clause 4.33

100Va.c.,60s

The applied voltage shall be 2.5 times of the
rated voltage or twice of the limiting element voltage,
whichever is the less severe, 2s.

Rated voltage, 1.5h"ON", 0.5h"OFF",
70

°

C, 1,000h.

Measuring temperature : 

+

20

°

C/

-

55

°

C/

+

20

°

C/

+

125

°

C/

+

20

°

C

235

°

C, 2s

After immersion into the flux, the immersion into
 solder shall be carried out in Solder bath
at 260

°

C for 5s.

5 cycles between 

-

55

°

C and 

+

125

°

C.

125

°

C, no-load, 1,000h.

5N, 10s

Bend strength of the
face plating

Voltage proof

Overload

Climatic sequence

Endurance at 70

°

C

Variation of resistance
with temperature

Solderability

Resistance to soldering
heat

Rapid change of
temperature

Damp test, steady state

Endurance at the upper
category temperature

Adhesion

No breakdown or flashover
R

1G ohm

R

(1%

+

0.05 ohm)

No visible damage, legible marking

R

(5%

+

0.1 ohm)  No visible damage

R

(5%

+

0.1 ohm)  No visible damage

See Ratings Table

In accordance with Clause 4.17.4.5

R

(1%

+

0.05 ohm)

R

(1%

+

0.05 ohm)  No visible damage

R

(5%

+

0.1 ohm)  No visible damage, legible marking

R

(5%

+

0.1 ohm)  No visible damage

No visible damage

R

(1%

+

0.05 ohm)

Dry/Damp heat(12

+

12h cycle), first cycle./

Cold/Damp heat(12

+

12h cycle), remaining

cycle./ D.C.Load.

Amount of bend : 3 mm

Clause 4.24 40

°

C, 95%R.H., 56 days, test a) of Clause 4.24.2.1

Area of recommended operation