No.:
Date:

RZC−K−HTS−0001
2023. 1. 17/6

Data sheet
Title:FIXED THICK FILM CHIP RESISTORS; RECTANGULAR
TYPE ANDULTRAHIGH VOLTAGE

Style:RZC50, 63

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 shipment 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:RZC−K−HTS−0001

FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE ANDULTRAHIGH VOLTAGE
RZC50, 63

Page:

/6
1/10

1. Scope
1.1 This data sheet covers the detail requirements for fixed thick film chip resistors; rectangular type and ultrahigh voltage, styleof RZC50, 63.
1.2 Applicable documents
JIS C 5201−1: 2011, JIS C 5201−8: 2014, JIS C 5201−8−1: 2014
IEC60115−1: 2008, IEC60115−8: 2009, IEC60115−8−1: 2014
EIAJ RC−2134C−2010
2. Classification
Type designation shall be the following form.
(Example)
RZC
63
475
J
TE
−
1
2
3
4
5
6
Style
1 Fixed thick film chip resistors; rectangular type & ultrahigh voltage
2 Rated dissipation and / or dimension
3 Temperature coefficient of resistance
4 Rated resistance Example; 475 → 4.7M
475
E24 Series, 3 digit, Ex. 475--> 4.7M,
5 Tolerance on rated resistance
J
5%
K
10%
M
20%
6 Packaging form
B
Bulk (loose package)TE
Embossed taping

Style

3. Rating
3.1 The ratings shall be in accordance with Table−1.
Table−1
Style

Rated
dissipation (W)

RZC50
RZC63

0.5
1.0

Temperature coefficient ofresistance ( 10−6 / °C)

Standard

Style

Limiting element voltage
(V)

RZC50
RZC63

1500
2000

3.2 Climatic category
55/125/56

200

Rated resistance
range ()Preferred number
Series for resistors

Tolerance on rated resistance

1M16M

E24

J(5%), K(10%), M(20%)(V)

Category temperature range
(°C)

500

−55+125

Insulation voltage

Lower category temperature
Upper category temperature
Duration of the damp heat, steady state test

− 55 °C+125 °C
56days

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: 2023.1.17

No:
Title:RZC−K−HTS−0001

FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE ANDULTRAHIGH VOLTAGE
RZC50, 63

3.3 Stability class
5%

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2/10

Limits for change of resistance:−for long−term tests±(5%+0.1)−for short−term tests±(1%+0.05)

3.4 Derating
The derated values of dissipation at temperature in excess of 70 °C shall be as indicated by the following curve.
100
Percentageof the rated

Area of recommended
operation

dissipation
(%)
0
−55

70
125
Ambient temperature (°C)

Figure−1 Derating curve
3.5 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 ()Limiting element voltage can only be applied to resistors when the resistance value is equal to or higher than the criticalresistance 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−2.
Table−2
Symbol

Packaging form

B
TE

Bulk (loose package)
Embossed taping
12mm width, 4mm pitches

Standard packaging
quantity / units
1,000 pcs.
4,000 pcs.

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: 2023.1.17

No:
Title:RZC−K−HTS−0001

FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE ANDULTRAHIGH VOLTAGE
RZC50, 63

Page:

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3/10

5. Dimensions
5.1 The resistor shall be of the design and physical dimensions in accordance with Figure−2 and Table−3.

W

L

c

d

d

H

c

Figure−2
Table−3
Style
RZC50
RZC63

L
5.0 ± 0.15
6.3 ± 0.15W
2.5 ± 0.15
3.2 ± 0.15

H
0.55 ± 0.15
0.55 ± 0.15

Unit : mmcd0.6 ± 0.2
0.6 ± 0.2
0.6 ± 0.2
0.6 ± 0.2

5.2 Net weight (Reference)
Style
Net weight(mg)
RZC50

25

RZC63

40

6. Marking
The Rated resistance shall be marked in 3 digits (E24) and marked on over coat side.
(Example) “475” → 47 10 5 [] → 4.7 [M]

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: 2023.1.17

No:
Title:FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE ANDULTRAHIGH VOLTAGE
RZC50, 63

RZC−K−HTS−0001
Page:

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7. Performance
7.1 The standard condition for tests shall be in accordance with Sub−clause 4.2, JIS C 5201−1: 2011
7.2 The performance shall be satisfied in Table−4.
Table−4(1)No.
Test items
Performance requirements
Condition of test (JIS C 5201−1)
1
Visual examination
As in 4.4.1
Sub−clause 4.4.1
The marking shall be legible, as
Checked by visual examination.
checked by visual examination.
2
Dimension
Sub−clause 4.4.2
As specified in Table−3 of thisspecification.
Resistance
As in 4.5.2
Sub−clause 4.5
The resistance value shall correspondwith the rated resistance taking into
account the specified tolerance.
3
Voltage proof
No breakdown or flash overSub−clause 4.7
Method: 4.6.1.4(See Figure−5)
Test voltage: Alternating voltage with a peakvalue of 1.42 times the insulation voltage.
Duration: 60 s ± 5 s
R1G
Insulation resistance
Test voltage: Insulation voltage
Duration: 1 min.
4
Solderability
As in 4.17.4.5
Sub−clause 4.17
The terminations shall be covered with
Without ageing
Flux: The resistors shall be immersed in a a smooth and bright solder coating.
non−activated soldering flux for 2s.
Bath temperature: 235 °C ± 5 °C
Immersion time: 2 s ± 0.5 s
5Mounting
Sub−clause 4.31
Substrate material: Epoxide woven glass
Test substrate: Figure−3
Overload
Sub−clause 4.13
(in the mounted state)
The applied voltage shall be 2.5 times the
rated voltage or twice the limiting element
voltage which ever is less severe.
Duration: 2 s
Visual examination
No visible damage
Resistance R  ± (1%+0.05)Sub−clause 4.30
Solvent resistance of the Solvent: 2−propanol
Legible marking
marking
Solvent temperature: 23 °C ± 5 °C
Method 1
Rubbing material: cotton wool
Without recovery

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: 2023.1.17

No:
Title:No
6

7

RZC−K−HTS−0001

FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE ANDULTRAHIGH VOLTAGE
RZC50, 63
Table−4(2)Condition of test (JIS C 5201−1)
Mounting
Sub−clause 4.31
Substrate material: Epoxide woven glass
Test substrate: Figure−4
Bound strength of the end Sub−clause 4.33
face plating
Bent value: 1 mm
Resistance
Final measurements
Sub−clause 4.33.6
Visual examination
Resistance to soldering heat
Sub−clause 4.18
Solvent temperature: 260 °C ± 5 °C
Immersion time: 5 s ± 0.5 s
Visual examination
Test items

Resistancesolvent Sub−clause 4.29
Solvent: 2−propanol
Solvent temperature: 23 °C ± 5 °C
Method 2
Recovery: 48 h
Visual examination
Resistance
Mounting
Sub−clause 4.31
Substrate material: Epoxide woven glass
Test substrate: Figure−3
Adhesion
Sub−clause 4.32
Force: 5 N
Duration: 10 s ± 1 s
Visual examination
Rapid change temperature
Sub−clause 4.19
Lower category temperature:−55 °C
Upper category temperature:+125 °C
Duration of exposure at each temperature: 30
min.
Number of cycles: 5 cycles.
Visual examination
Resistance

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Performance requirementsR  ± (1%+0.05)No visible damage

As in 4.18.3.4
No sign of damage such as cracks.
R  ± (1%+0.05)Component
resistance8

No visible damage
R  ± (1%+0.05)No visible damage

No visible damage
R  ±(1%+0.05)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: 2023.1.17

No:
Title:

No
9

10

11

RZC−K−HTS−0001

FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE ANDULTRAHIGH VOLTAGE
RZC50, 63
Table−4(3)Condition of test (JIS C 5201−1)
Sub−clause 4.23
Sub−clause 4.23.2
Test temperature: +125 °C
Duration: 16 h
−Damp heat, cycle
Sub−clause 4.23.3(12+12hour cycle)
Test method: 2First cycle
Test temperature: 55 °C[Severity(2)]−ColdSub−clause 4.23.4
Test temperature −55 °C
Duration: 2h−Damp heat, cycle
Sub−clause 4.23.6(12+12hour cycle)
Test method: 2
Remaining cycle
Test temperature: 55 °C[Severity (2)]
Number of cycles: 5 cycles−D.C. load
Sub−clause 4.23.7
The applied voltage shall be the rated voltage
or the limiting element voltage which ever isthe smaller.
Duration: 1 min.
Visual examination
Resistance
Mounting
Sub−clause 4.31
Substrate material: Epoxide woven glass(RZC63 may use Alumina substrate.)
Test substrate: Figure−3
Endurance at 70 °C
Sub−clause 4.25.1
Ambient temperature: 70 °C ± 2 °C
Duration: 1000 h
The voltage shall be applied in cycles of 1.5 h
on and 0.5 h.
The applied voltage shall be the rated voltage
or the limiting element voltage which ever isthe smaller.
Examination at 48 h , 500 h and1000 h:Visual examination
Resistance
Mounting
Sub−clause 4.31
Substrate material: Epoxide woven glass
Test substrate: Figure−3
Variation of resistance with Sub−clause 4.8
temperature−55 °C / +20 °C+20 °C / +125°C
Test items
Climatic sequence−Dry heat

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6/10

Performance requirements

No visible damage
R  ± (5%+0.1)No visible damage
R  ± (5%+0.1)As in Table−1

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: 2023.1.17

No:
Title:

No
12

Test items
Mounting

Damp heat, steady state

13

RZC−K−HTS−0001

FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE ANDULTRAHIGH VOLTAGE
RZC50, 63

Dimensions (detail)

Page:

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Table−4(4)Performance requirements
Condition of test (JIS C 5201−1)
Sub−clause 4.31
Substrate material: Epoxide woven glass
Test substrate: Figure−3
Sub−clause 4.24
Ambient temperature: 40 °C ± 2 °C
Relative humidity : 93 +2−3 %a) 1st group: without voltage applied.
b) 2nd group: The d. c. voltage shall beapplied continuously.
The voltage shall be accordance with
Sub−clause 4.24.2.1 b). without polarizing
voltage [4.24.2.1, c)]No visible damage
Visual examination
Legible markingR  ± (5%+0.1)ResistanceSub−clause 4.4.3

As in Table−3

Mounting

14

Sub−clause 4.31
Substrate material: Epoxide woven glass
Test substrate: Figure−3
Endurance at upper category Sub−clause 4.25.3
temperature
Ambient temperature:125 °C ± 2 °C
Duration: 1000 h
Examination at 48 h, 500 h and1000 h:Visual examination
Resistance
Mounting
Sub−clause 4.31
Substrate material: Epoxide woven glass
Test substrate: Figure−3
Anti-rush voltage test
Ambient temperature:25°C ± 2 °C
The voltage shall be applied in cycles of 1 s“ON”, 9 s “OFF”.
Test voltage: 3000V
Visual examination
ResistanceNo visible damage
R  ± (5%+0.1)No visible damage
R  ± (1%+0.05)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: 2023.1.17

No:
Title:RZC−K−HTS−0001

FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE ANDULTRAHIGH VOLTAGE
RZC50, 63

8. Test substrate

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8/10

c

Unit: mma

Copper cladb

40

Solder resist

d

Style
RZC50
RZC63

10.16

a
4.0
5.0

b
7.5
9.0

c
2.0
4.5

d
7.5
7.5

60.96

Figure−3 RZC50, 63 TEST SUBSTRATE
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

40

c

1

a

Copper cladSolder resist
Style
RZC50
RZC63

b
100

a
4.0
5.0

b
7.5
9.0

c
3.0
4.0

Figure−4 RZC50, 63 BOUND STRENGTH OF THE END FACE PLATING TEST SUBSTRATE
Remark 1). Material: Epoxide woven glass
Thickness: 1.6mm Thickness of copper clad: 0.035mm
Insulation plate

Metal block measurement
Point A

Metal plate

R0.5mmMeasurement
point B
Insulation surface

Component

Pressure byspring (10.2N)

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: 2023.1.17

No:
Title:RZC−K−HTS−0001

FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE ANDULTRAHIGH VOLTAGE
RZC50, 63

Page:

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9/10

9. Taping
9.1 Applicable documents JIS C 0806−3: 2014, EIAJ ET−7200C: 2010
9.2 Taping dimensions
Embossed taping dimensions shall be in accordance with Figure−6 and Table−5.
Unit: mm

0.3 max.
20.05
Sprocket hole

1.5+0.1
01.750.1

40.1

Carrier cavity

t1

Style
RZC50
RZC63

A
3.1±0.2
3.6±0.2

W

B

E

A

40.1

Direction of unreeling

Figure−6
Table−5BW
5.5±0.2
12.0±0.3
6.9±0.2

E

Unit: mmt1

5.5±0.05

1.1±0.15

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−7.
6). When the tape is bent with the minimum radius for 30 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 resistors shall be faced to upward at the over coating side in the carrier cavity.
Top cover tape
Carrier tape165to180

Peel−off(About 300mmmin)

Direction of unreeling

Figure−7

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: 2023.1.17

No:
Title:RZC−K−HTS−0001

FIXED THICK FILM CHIP RESISTORS; RECTANGULAR TYPE ANDULTRAHIGH VOLTAGE
RZC50, 63

Page:

/6
10/10

9.3 Reel dimension
Reel dimensions shall be in accordance with the following Figure−8 and Table−6.
Plastic reel (Based on EIAJ ET−7200C)
Unit: mm

0

+1
60 0

130.220.5

180 −1.5

Marking A

210.8

Marking B

A

B

Figure−8
Table−6
Unit: mm
A
B
Note
Style
RZC50,63
17±1.0Vacuum forming
13 +1.00Note 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.
(Example)

400mm min
100mm min

160mm min
End

Start
Trailer

LeaderDirection of unreeling

Figure−9
10. Marking on package
The label of a minimum package shall be legibly marked with follows.
10.1 Marking A(1) Classification (Style, 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)

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: 2023.1.17