No.:
Date:

FMC−K−HTS−0001
2023. 1. 25/8

Data sheet
Title:

CHIP FUSE; RECTANGULAR TYPE

Style:

FMC10, 16

RoHS COMPLIANCE ITEM
Halogen and Antimony Free
Note: ・Stock conditions
Temperature: +5C  +35C
Relative humidity: 25%  75%
The period of guarantee: Within 2 year from shipmen t by the company.
Solderability shall be satisfied.

・Product specification contained in this data sheet 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

No:Title:

FMC−K−HTS−0001

CHIP FUSES; RECTANGULAR TYPE
FMC10, 16

Page:/8
1/9

1. Scope
1.1 This data sheet covers the detail requirements for chip fuses; rectangular type, style of FMC10, 16.
1.2 Applicable documents
UL248−1−2000 Low−Voltage Fuses−Part1: General Requirements
UL248−14−2000 Low−Voltage Fuses−Part14: Supplemental Fuses
CSA C22.2 No.248.1−2000 Low−Voltage Fuses−Part1: General Requirements
CSA C22.2 No.248.14−2000 Low−Voltage Fuses−Part14: Supplemental Fuses
2. Classification
Type designation shall be the following form.
(Example)
FMC
16202
123
Style
1 Chip fuses; rectangular type2 Size
3 Rated current
202202--> 2.0A

WB
4TP5Style

4 Optional code
SymbolABWBWH
5 Packaging form
BTH
TPOptional code
Standard

Bulk (loose package)
Paper taping

3. Safety standard approval• UL248−1 and UL248−14• CSA C22.2, No. 248.1−00 and CSA C22.2, No. 248.14−00
The file number to be designated by UL and C−UL shall be as follows: E176847

Product specification contained in this data sheet 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: 2023.1.25

No:
Title:FMC−K−HTS−0001

CHIP FUSES; RECTANGULAR TYPE
FMC10, 16Page:/82/9

4. Rating
The ratings shall be in accordance with Table−1.
4.1 Optional code: AB
Table−1(1)Rated current
Style

FMC10Symbol(A)Markingsymbol

501751102132152202
252
302

0.50.75
1.0
1.25
1.5
2.0
2.5
3.0

FALM
HS
T
R

Internal resistance value(m max.)

Rated
voltage（V）

Breaking
capacity
(A)

240
140
95
73
60
41
32
25

DC24

35

Internal resistance value(m max.)

Rated
voltage（V）

Breaking
capacity
(A)

260
140
110
80
65
45
32
26
18
14

DC32

35

Time / current characteristic
Current

Pre−arcing time

100%
200%
300%

4 h min.
5 s max.
0.2 s max.

4.2 Optional code: WB
Table−1(2)Rated current
Style

FMC16Symbol(A)

Markingsymbol

501
751
102
132152202252302
402502

0.5
0.75
1.0
1.25
1.5
2.0
2.5
3.0
4.0
5.0

FALMHSTRXYTime / current characteristicCurrent

Pre−arcing time

100%
200%
300%

4 h min.
5 s max.
0.2 s max.

Product specification contained in this data sheet 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: 2023.1.25

No:
Title:FMC−K−HTS−0001

CHIP FUSES; RECTANGULAR TYPE
FMC10, 16

Page:/8
3/9

4.3 Optional code: WH
Table−1(3)Rated current
Style

FMC10FMC16Symbol(A)

Markingsymbol

501
751
102
132
152
202
252
302
322
402
502
501
631
751
801
102
132
152
162
202
252
302
322
402
502

0.5
0.75
1.0
1.25
1.5
2.0
2.5
3.0
3.15
4.0
5.0
0.5
0.63
0.75
0.8
1.0
1.25
1.5
1.6
2.0
2.5
3.0
3.15
4.0
5.0

F
A
L
M
H
S
T
R
U
X
Y
OF
OI
OA
OK
OL
OM
OH
ON
OS
OT
OR
OU
OXOY

Internal resistance value(m max.)

250
150
100706040
30
25
24
1814400
300
210
180
115
90
7060
50
37
28
26
1814

Rated
voltage（V）

Breakingcapacity
(A)

DC24

DC32

Time / current characteristic
Current

Pre−arcing time

35

100%
200%
300%

4 h min.
5 s max.
0.2 s max.

35

100%
200%
300%

4 h min.
5 s max.
0.2 s max.

4.4 Working temperature range: −55 to +125(C)
5. Packaging form
The standard packaging form shall be in accordance with Table−2.
Table−2Symbol

Packaging form

BTHTPBulk (loose package)
Paper taping
8mm width, 2mm pitches
Paper taping
8mm width, 4mm pitches

Standard packaging
quantity / units
1,000 pcs.
10,000 pcs.
5,000 pcs.

Application

FMC10, 16
FMC10FMC16Product specification contained in this data sheet 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: 2023.1.25

No:Title:

FMC−K−HTS−0001

CHIP FUSES; RECTANGULAR TYPEFMC10, 16

Page:

/8
4/9

6. Dimensions
6.1 The resistor shall be of the design and physical dimensions in accordance with Figure−1 and Table−3.

WLcdd

Hc

Style
FMC10
FMC16Optional code
WHABWB,WHL

Figure−1
Table−3W

1.00.05

0.50.05

1.60.1

0.8 +0.15−0. 05H
0.350.05
0.380.05
0.450.10

Unit : mmcd

0.20.10

0.250.10

0.30.15

0.30.1

6.2 Net weight (Reference)
Style
Net weight(mg)
FMC100.6
FMC1627. Marking
The Marking symbol of Sub− clause 4.1 shall be marked on over coat side.
(Example)
Style
Optional code
Marking symbol
Content
FMC10ABS
FMC10 202 AB
FMC10WHS
FMC10 202 WH
FMC16WBS
FMC16 202 WB
FMC16WH
OS
FMC16 202 WH

Product specification contained in this data sheet 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: 2023.1.25

No:Title:

CHIP FUSES; RECTANGULAR TYPE
FMC10, 16FMC−K−HTS−0001
Page:

/85/9

8. Performance
8.1 Unless otherwise specified, the standard range of atmospheric conditions for tests is as follows;
Ambient temperature: 5 C to 35 C, Relative humidity: 45 % to 85 %, Air presser: 86 kPa to 106 kPa
If there is any doubt the results, measurements shall be made within the following:
Ambient temperature: 20 C  2 C, Relative humidity: 60 % to 70 %, Air presser: 86 kPa to 106 kPa
8.2 The performance shall be satisfied in Table−4.
Table−4(1)No.
Test items
Condition of testPerformance requirements
1Temperature rise
The fuse shall be mounted on the test substrate as 75 C max.
shown in Figure−2.
Measurement temp.: 10 C to 30 C
Test current: Rated current
The temperature at the hottest point on the surfaceof the fuse shall be measured after temperatureequilibrium has been attained.
2
Time / current characteristic The fuse shall be mounted on the test substrate as Current Pre−arcing timeshown in Figure−2.
100%
4 h min.
Test current shall be applied for continuously.
200%
5 s. max.
300%
0.2 s max.
3Terminal bond strength of JIS C 60068-2-21 Ue1Change of internal resistance:
the face plating
The fuse shall be mounted on the test substrate as 10%
shown in Figure−2.
No evidence of mechanical
Bending value: 3 mm(Among the fulcrums: 90 mm) damage.
Duration: 10 s  1 s
4Resistance to soldering Test by a piece.
Change of internal resistance:
heatTemp. of solder bath: 260 C  5 C
10%No evidence of appearance
Immersion time: 10 s  1 s
After immersion into solder, leaving the room temp. damage
for 1h or more, and then measure the internalresistance.

5Solderability

6Rapid change temperature• Reflow soldering
Pre−heating: 150 C  180 C, 120 s max.
Peak: 260 C  5 C, 10 s max.
Reflow cycle: 2 times
After immersion into solder, leaving the room temp.
for 1h or more, and then measure the internal
resistance.
JIS C 60068-2-58
Test by a piece
Flux: Rosin−Methanol
Temp. of solder: bath: 235 C  5 C
Immersion time: 2 s  0.5 s
JIS C 60068-2-14 Na
The fuse shall be mounted on the test substrate as
shown in Figure−2.
Lower temperature: −55 C
Upper temperature: +125 C
Duration of exposure at each temperature: 30 min.
Number of cycles: 5 cycles

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

Change of internal resistance:
10%
No evidence of appearance
damageProduct specification contained in this data sheet 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: 2023.1.25

No:Title:

FMC−K−HTS−0001

CHIP FUSES; RECTANGULAR TYPE
FMC10, 16Page:/86/9

9. Test substrate
3Unit: mm20Copper clad

0.5

4.2

1033

Solder resista90100c

Style
FMC10
FMC16bc

a0.3
0.6

b0.6
1.0c
0.65
0.5

Figure−2 FMC TEST SUBSTRATERemark 1). Material: Epoxide woven glass
Thickness: 1. 6mm Thickness of copper clad: 0. 035mm
10. Taping
10.1 Applicable documents JIS C 0806−3: 2014, EIAJ ET−7200C: 201010.2 Taping dimensions
10.2.1 Paper taping (8mm width, 2mm pitches)
Taping dimensions shall be in accordance with Figure−3 and Table−5.

t1

Sprocket hole

Unit: mm40.1

1.5 +000.1

1.750.1

B80.2At2

Carrier cavity

20.053.50.05
Direction of unreeling

Style
FMC10

A
0.65 +0.05−0.10

Figure−3
Table−5B
1.15 +0.05
−0.10

t1
0.4 ± 0.05

Unit: mmt20.5max.

Product specification contained in this data sheet 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: 2023.1.25

No:
Title:FMC−K−HTS−0001

CHIP FUSES; RECTANGULAR TYPE
FMC10, 16

Page:

/8
7/9

10.2.2 Paper taping (8mm width, 4mm pitches)
Taping dimensions shall be in accordance with Figure−4 and Table−6.
Unit: mm40.1
t1

1.5 +0.1
0Sprocket hole20.05

1.750.1

B80.2

At2Carrier cavity

40.1

3.50.05
Direction of unreeling

Style
FMC16A1.15±0.15

Figure−4
Table−6B
1.9±0.2t1
0.6±0.1±±±Unit : mmt2
0.8 max.

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−5.
6). When the tape is bent with the minimum radius for 25 mm, the tape shall not be damaged and the components shallmaintain 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 fuses shall be faced to upward at the over coating side in the carrier cavity.
Top cover tapeCarrier tapePeel−off(About 300mmmin)165 to 180
Direction of unreeling

Figure–5

Product specification contained in this data sheet 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: 2023.1.25

No:
Title:FMC−K−HTS−0001

CHIP FUSES; RECTANGULAR TYPE
FMC10, 16

Page:

/8
8/9

10.3 Reel dimension
Reel dimensions shall be in accordance with the following Figure−6 and Table−7.
Plastic reel (Based on EIAJ ET−7200C)
Unit: mm0+1
60 0

130.220.5

180 −1.5

Marking A

210.8

Marking BAB

Figure−6Table−7
Unit: mmABNoteStyle
11.4±1.0
Injection molding
FMC10, 169 +1.0013±1.0
Vacuum forming
Note Marking label shall be marked on a place of Marking A or two place of marking A and B.
10.4 Leader and trailer tape.
Example)400mm min
100mm min

160mm min
EndStart
Trailer

LeaderDirection of unreeling

Figure−7
11. Marking on package
The label of a minimum package shall be legibly marked with follows.
11.1 Marking A(1) Classification (Style, Rated current, Optional code, Packaging form) (2) Quantity (3) Lot number(4) Manufacturer’s name or trade mark (5) UL and /or C−UL recognized component mark (6) Others
11.2 Marking B (KAMAYA Control label)

Product specification contained in this data sheet 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: 2023.1.25

No:Title:

FMC−K−HTS−0001

CHIP FUSES; RECTANGULAR TYPE
FMC10, 16

Page:/89/9

12. Recommended Derating for Rated Current
This fuse will recommend use by the current reduction value according to the following derating curve.
• Nominal Derating
Nominal Derating  75% of Rated Current*FMC10 Optional code: WH, Rated current  3.15A : Nominal Derating  70% of Rated Current• Temperature Derating
Please refer to the following graph regarding the current derating value for ambient temperature.
Ex.) If FMC16 202WH (Rated Current 2.0A) is used under ambient temperature 70°C,
Kamaya recommends, less than the current value derated as below,
Rated Current : 2.0A  (Nominal Derating : 75%  Temperature Derating : 80%) = 1.2ADerating curve
130

Percentage of rated current(%)

1201101009080706050403020100-60 -50 -40 -30 -20 -10010 20 3040 50 60 70 80 90 100 110 120 130

Ambient temperature (℃）

Product specification contained in this data sheet 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: 2023.1.25