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Spec. No.:

FRC

−

HTS

−

0001 /8

Date:

2017. 1. 10

Sp e c i f i c a t i o n

Title:

CHIP FUSIBLE RESISTORS; RECTANGULAR TYPE

Style:

FRC16, 20, 32

RoHS COMPLIANCE ITEM

Halogen and Antimony Free

Product specification contained in this specification
are subject to change at any time without notice
If you have any questions or a Purchasing Specification for any quality

Agreement is necessary, please contact our sales staff.

Hokkaido Research Center

Approval by: T. Sannomiya

Drawing by: M. Shibuya

Note: Stock conditions
Temperature:

∼

Relative humidity: 25%

∼

75%

The period of guarantee: Within 2 year from shipmen t by the company.
Solderability shall be satisfied.

Drawing No:

FRC

−

HTS

−

0001

Title:

CHIP FUSIBLE RESISTORS; RECTANGULAR TYPE
FRC16, 20, 32

Page: 1/9

Product specification contained in this specification are subject to change at any time without notice.
If you have any questions or a Purchasing Specification for any quality agreement is necessary, please contact our sales staff.

Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

1. Scope

1.1 This specification covers the detail requirements for chip fusible resistors; rectangular type, style of FRC16, 20,32.

  1.2 Applicable documents
        JIS C 5201: 1994, JIS C 5202: 1990

2. Classification
    Type designation shall be the following form.

(Example)

FRC

100

Style

                                1 Chip fusible resistors; rectangular type
                                2 Size
                                3 Characteristics symbol
                                4 Rated dissipation

                                5 Rated resistance

100

E24 Series,3 digit, EX. 100-->10

Ω

6 Tolerance on rated resistance

7 Packaging form

Bulk (loose package)

Paper taping

3. Rating

3.1 The ratings shall be in accordance with Table

−

Table

−

Style

Rated dissipation

(W)

Temperature coefficient of

resistance (10

−

/°C)

Rated resistance

range(

Ω

)

Preferred number series

for resistors

Tolerance on

rated resistance

FRC16

0.063

± 500

3.9~51

E24

J(±5%)

FRC20

0.1

± 1000

1.0~51

FRC32

0.125

± 500

56~100

± 1000

1.0~51

Style

Limiting

element voltage

(V)

Max. overload

voltage(V)

Fusing characteristics

Operating temperature

range(°C)

Symbol

Fusing power

(W)

Fusing time

(s.)

FRC16

1.79

3.58

1.89

30 max.

−

55~+125

FRC20

2.26

4.52

2.0

FRC32

3.53

7.06

2.5

Symbol

Rated dissipation

0.063W

0.1W

0.125W

Style

Drawing No:

FRC

−

HTS

−

0001

Title:

CHIP FUSIBLE RESISTORS; RECTANGULAR TYPE
FRC16, 20, 32

Page: 2/9

Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

3.2 Derating

The derated values of dissipation at temperature in excess of 70 °C shall be as indicated by the following curve.

Figure–1 Derating curve

3.3 Rated voltage
d.c.or a.c.r.m.s.voltage calculated from the square root of the product of the rated resistance and the rated dissipation.

E: Rated voltage (V)
E = P · R P: Rated dissipation (W)

R: Rated resistance (

Ω

)

Max. overload voltage can only be applied to resistors when the resistance value is equal to or higher than the critical

resistance value.

At high value of resistance, the rated voltage may not be applicable.

4. Packaging form

The standard packaging form shall be in accordance with Table

−

Table

−

Symbol

Packaging form

Standard packaging
quantity / units

Bulk (loose package)

1,000 pcs

Paper taping

8mm width, 4mm pitches

5,000 pcs.

−

100

125

Area of recommended

operation

Percentage

of the rated

dissipation

Ambient temperature (°C)

(%)

Drawing No:

FRC

−

HTS

−

0001

Title:

CHIP FUSIBLE RESISTORS; RECTANGULAR TYPE
FRC16, 20, 32

Page: 3/9

Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

5. Dimensions

5.1 The resistor shall be of the design and physical dimensions in accordance with Figure

−

2 and Table

−

Figure

−

Table

−

3 Unit: mm

Style

FRC16

1.6 ± 0.1

+0.15

0.8

−

0.05

0.45 ± 0.10

0.3 ± 0.1

FRC20

2.0 ± 0.1

1.25 ± 0.10

0.6 ± 0.1

0.4 ± 0.2

FRC32

3.2 ± 0.2

1.6 ± 0.15

0.6 ± 0.1

0.5 ± 0.25

5.2 Net weight (Reference)

Style

Net weight(mg)

FRC16

2.2

FRC20

FRC32

6. Marking

The Rated resistance shall be marked in 3 digits (E24) and marked on over coat side.

(Example) “ 100 ”

→

[

Ω

]

→

10 [

Ω

]

Drawing No:

FRC

−

HTS

−

0001

Title:

CHIP FUSIBLE RESISTORS; RECTANGULAR TYPE
FRC16, 20, 32

Page: 4/9

Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

7. Performance

7.1 The standard condition for tests shall be in accordance with Sub

−

clause 3, JIS C 5202: 1990.

7.2 The performance shall be satisfied in Table

−

Table

−

4(1)

No.

Test items

Condition of test (JIS C 5202)

Performance requirements

Resistance

Sub

−

clause 5.1

Classification of test voltage: A

Within the specified tolerance of
rated resistance.

Temperature
characteristic

resistance

Sub

−

clause 5.2

The resistor shall be mounted on the test substrate
as shown in Figure

−

Test resistance shall be measured at the room temp.
and temp. about 100

C higher than the room temp..

See Table

−

Short time overload

Sub

−

clause 5.5

The resistor shall be mounted on the test substrate
as shown in Figure

−

Test potential: 2 times rated voltage.
Test period: 5 s.
Test potential should not exceed limiting element
voltage as shown in Table

−

Within ± (5%+0.1

Ω

)

No evidence of appearance
damage

Insulation resistance

Sub

−

clause 5.6

The resistor shall be fixed on the test fixture as
shown in Figure

−

Test potential: FRC16:100Vdc

FRC20,32: 500Vdc

Test period: 1 min.

1,000M

Ω

min.

Voltage proof

Sub

−

clause 5.7

The resistor shall be fixed on the test fixture as
shown in Figure

−

Test condition: Normal pressure
Test potential: FRC16: 100Vac

FRC20,32: 500Vac

No flashover, fire and breakdown.

+10

Test period: 60 s.

Fusing characteristic

Sub

−

clause 8.6 of EIAJ RC

−

2124

The resistor shall be mounted on the test substrate
as shown in Figure

−

Fusing power; FRC16: 1.89W

FRC20: 2.0W

FRC32: 2.5W
Test condition: No draught over the resistors.
The voltage which corresponds to fusing power shall
be applied until fusing.
After the fusing tests, the remaining resistance shall
be measured according to No.1.

Characteristics: C

•

Fusing time: 30 s. max.

•

The remaining resistance shall be

exceeded more than 50 times
against initial resistance.

•

No smoke and arc.

Bond strength of the face
plating

Sub

−

clause 6.1.4(1)

The resistor shall be mounted on the test substrate
as shown in Figure

−

Bending value: 5 mm (Among the fulcrums: 90 mm)
Duration: 10

1 s

Within ±1%
No

evidence

mechanical

damage

Drawing No:

FRC

−

HTS

−

0001

Title:

CHIP FUSIBLE RESISTORS; RECTANGULAR TYPE
FRC16, 20, 32

Page: 5/9

Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

Table

−

4(2)

No.

Test items

Condition of test (JIS C 5202)

Performance requirements

Vibration

Sub

−

clause 6.3

The resistor shall be mounted on the test substrate
as shown in Figure

−

Class of vibration: A
3 directions perpendicular to the above and to each
other.
Duration of vibration: 2h in each directions.

Within ±1%
No

evidence

mechanical

damage

Resistance to soldering
heat

Sub

−

clause 6.10

Test by a piece.
Temp. of solder bath: 260

Immersion time: 10 s

1 s

After immersion into solder, leaving at the room temp.
for 1h or more and then measure the resistance.

Within ±3%
No evidence of appearance
damage

Solderability

Sub

−

clause 6.11

Test by a piece.
Flux: Rosin

−

Methanol

Temp. of solder bath: 235

Immersion time: 2 s

0.5 s

The surface of terminal immersed
shall be min. of 95% covered with
a new coating of solder.

Temperature cycling

Sub

−

clause 7.4

The resistor shall be mounted on the test substrate
as shown in Figure

−

Test cycle: 5 cycles for duty cycle as specified below.

Within ±5%
No evidence of appearance
damage

Step

Temperature (

Time (min)

Room temp.

∼

−

Room temp.

∼

125

Load life in humidity

Sub

−

clause 7.9

The resistor shall be mounted on the test substrate
as shown in Figure

−

Test temp.

relative humidity:

∼

95 %

Test voltage: Cycle of 1 h 30 min. “ON” and

30 min. “OFF” at dc rated voltage.

Within ±5%
No evidence of appearance
damage

+48

Test period: 1,000 h

Endurance at 70

Sub

−

clause 7.10

The resistor shall be mounted on the test substrate
as shown in Figure

−

Test temp.

relative humidity: 70

Test voltage: Cycle of 1 h 30 min. “ON” and

30 min. “OFF” at dc rated voltage.

Within ±5%
No evidence of appearance
damage

+48

Test period: 1,000 h

Drawing No:

FRC

−

HTS

−

0001

Title:

CHIP FUSIBLE RESISTORS; RECTANGULAR TYPE
FRC16, 20, 32

Page: 6/9

Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

8. Test substrate

Unit:mm

Style

FRC16

1.0

3.6

1.0

7.0

5.7

1.25

3.75

FRC20

1.2

4.0

1.65

6.9

5.5

1.25

3.75

FRC32

2.2

5.0

2.0

6.4

5.0

0.75

4.25

FRC TEST SUBSTRATE

Figure

−

Remark 1). Material: Epoxide woven glass
Thickness: 1.6mm Thickness of copper clad: 0.035mm

Unit: mm

FRC32 TEST SUBSTRATE

1.5

2.5

Soldering land

Copper clad

Solder resist

5.08 5.08

Copper clad

Solder resist

Drawing No:

FRC

−

HTS

−

0001

Title:

CHIP FUSIBLE RESISTORS; RECTANGULAR TYPE
FRC16, 20, 32

Page: 7/9

Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

Unit: mm

Style

FRC16

1.0

3.6

1.0

4.5

FRC20

1.2

4.0

1.5

4.3

FRC16, 20 TEST SUBSTRATE

Figure

−

          Remark 1).    Material: Epoxide woven glass
                                  Thickness: 1.6mm Thickness of copper clad: 0.035mm
                          2).    In the case of connection by connector, the connecting terminals are gold plated.
                                  However, the plating is not necessary when the connection is made by soldering.

                                                                                                                                                              Unit: mm

Style

FRC16

1.0

3.6

1.2

3.0

FRC20

1.2

4.0

1.65

3.0

FRC32

2.5

5.0

2.0

2.5

FRC BOUND STRENGTH OF THE END FACE PLATING TEST SUBSTRATE

Figure

−

Remark 1). Material: Epoxide woven glass

Thickness: 1.6mm Thickness of copper clad: 0.035mm

Figure

−

R0.5mm

Metal block measurement
Point A

Insulation plate

Metal plate

Measurement
point B

Insulation surface

Component

Pressure by
spring

(

0.2N

)

2.5

5.08 5.08

58.5

Soldering land

Copper clad

Solder resist

Copper clad

Solder resist

4.5

100

Soldering land

Drawing No:

FRC

−

HTS

−

0001

Title:

CHIP FUSIBLE RESISTORS; RECTANGULAR TYPE
FRC16, 20, 32

Page: 8/9

Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

9. Taping

9.1 Applicable documents JIS C 0806

−

3: 2014, EIAJ ET

−

7200C: 2010

9 2 Taping dimensions
Paper taping (8mm width, 4mm pitches)

Taping dimensions shall be in accordance with Figure

−

6 and Table

−

Unit: mm

Figure

−

Table

−

5 Unit: mm

Style

FRC16

1.15± 0.15

1.9±0.2

0.6±0.1

0.8max.

FRC20

1.65 ± 0.15

2.5 ± 0.2

0.8 ± 0.1

1.0max.

FRC32

2.00 ± 0.15

3.6 ± 0.2

  1). The cover tapes shall not cover the sprocket holes.
  2). Tapes in adjacent layers shall not stick together in the packing.
  3). Components shall not stick to the carrier tape or to the cover tape.
  4). Pitch tolerance over any 10 pitches ±0.2mm.

5). The peel strength of the top cover tape shall be with in 0.1N to 0.5N on the test method as shown in the following Figure

−

6). When the tape is bent with the minimum radius for 25 mm, the tape shall not be damaged and the components shall

maintain their position and orientation in the tape.

  7). In no case shall there be two or more consecutive components missing.
        The maximum number of missing components shall be one or 0.1%, whichever is greater.
  8). The resistors shall be faced to upward at the over coating side in the carrier cavity.

Figure

−

0.1

1.5

0.1

0.05

1.75

0.1

3.5

0.05

Sprocket hole

Carrier cavity

Direction of unreeling

165

to180

Carrier tape

Top cover tape

Peel

−

off

(

About 300mm

min

)

Direction of unreeling

Drawing No:

FRC

−

HTS

−

0001

Title:

CHIP FUSIBLE RESISTORS; RECTANGULAR TYPE
FRC16, 20, 32

Page: 9/9

Issue: KAMAYA ELECTRIC CO., LTD. Research & Development Department HOKKAIDO Research center Last update: 2017.1.10

9.3 Reel dimension

Reel dimensions shall be in accordance with the following Figure

−

8 and Table

−

Plastic reel (Based on EIAJ ET

−

7200C) Unit: mm

Figure

−

Table

−

6 Unit: mm

Style

Note

FRC16, 20, 32

+1.0

11.4±1.0

Injection molding

13±1.0

Vacuum forming

Note

Marking label shall be marked on a place of Marking A or two place of marking A and B.

9.4 Leader and trailer tape.

Figure

−

10. Marking on package

The label of a minimum package shall be legibly marked with follows.

10.1 Marking A

(1) Classification

(Style, Characteristics symbol, Rated dissipation Rated resistance, Tolerance on rated resistance, Packaging form)

(2) Quantity (3) Lot number (4) Manufacturer’s name or trade mark (5) Others

10.2 Marking B(KAMAYA control label)

160mm min

100mm min

400mm min

End

Trailer

Direction of unreeling

Leader

Start

0.8

0.5

Marking A

−

Marking B