Registration No. 1272
NASDA-QTS-39017C/201B
29 May 2023
Superseding
NASDA-QTS-39017C/201A
Cancelled
29 May 2023

RESISTORS, FIXED, FILM (INSULATED SMALL)
HIGH RELIABILITY, SPACE USE,
NASDA STYLE
RLS05T, RLS07T, RLS20T, RLS32T, RLS42T,
DETAIL SPECIFICATION FOR

Issued by Japan Aerospace Exploration Agency

This document is the English version of JAXA QTS/ADS which was originally written andauthorized in Japanese and carefully translated into English for international users. If anyquestion arises as to the context or detailed description, it is strongly recommended to verify
against the latest official Japanese version.
The release date of the English version of this specification: 26 July 2024.

NASDA-QTS-39017C/201B
29 May 2023

JAXA
Parts Specification

Page–i–Revision history
Rev.
B

Date

Description
29 May ・Cover page and paragraph 1: Changed the corporate name from National
2023
Space Development Agency of Japan to the Japan Aerospace Exploration
Agency.
・Added a note (1) on Table 4, line number 6, Resistance to solvents.

NASDA-QTS-39017C/201B
29 May 2023

JAXA
Parts Specification

Page– ii –Contents
1.
2.
3.
4.
5.
6.
7.

SCOPE .............................................................................................................................. 1PART NUMBER ................................................................................................................. 1
RATING ............................................................................................................................. 2
PRODUCT INSPECTIONS ................................................................................................ 3
PERFORMANCE ............................................................................................................... 4
QUALITY ASSURNACE PROVISIONS .............................................................................. 5NOTES............................................................................................................................... 57.1
Application Data Sheets.............................................................................................. 5
7.2
Notes .......................................................................................................................... 6

NASDA-QTS-39017C/201B
29 May 2023

JAXA
Parts Specification

Page–1–RESISTORS, FIXED, FILM (INSULATED SMALL)
HIGH RELIABILITY, SPACE USE,NASDA STYLE
RLS05T, RLS07T, RLS20T, RLS32T, RLS42T
DETAIL SPECIFICATION FOR1.

SCOPE
This specification covers the high reliability, fixed, film (insulated small) resistors of NASDA
RLS05T，RLS07T，RLS20T，RLS32T and RLS42T style used for space development bythe Japan Aerospace Exploration Agency.

2.

PART NUMBER
Part number shall be in accordance with Table 1.
Table 1. Part Number
ItemPart number

Applicableparagraph ofNASDA-QTS-39017
1.3

Style

1.3.1

Construction and1.3.2

terminal
Nominal1.3.3

resistance

Remarks
Example ： NASDA RLS20T 1002F
RLS05， RLS07， RLS20， RLS32，RLS42T
Example： 1503・・・150kΩ，154・・・150kΩ
(resistance shall be identified by athree or four digit number.)Resistancetolerance

1.3.4
F（±1.0%），G（±2.0%）

NASDA-QTS-39017C/201B
29 May 2023
3.

JAXA
Parts Specification–2–Page

RATING
Ratings shall be in accordance with Table 2.
Table 2. Rating
Requirement
Itemparagraph ofRemarks

NASDA-QTS39017
Operating temperature

3.5.2-55 to +150

range (C)
Rated ambient

3.5.3

70

temperature (C)
Derating curve

3.5.4

Figure 1

Style―

RLS05

RLS07

RLS20

RLS32

RLS42

Nominal resistance

3.5.1

4.7 to10 to

4.3 to10 to10 torange (Ω)

301k

2.49M

1.0M

2.7M

2.7M

Critical resistance (kΩ)―240240240

120

Rated power (W)

3.5.3

0.125

0.25

0.5

12

Maximum operating

3.5.5

200

250

350

500

500

―

400500

700

1000

1000

voltage (V)Maximum overload
voltage (V)Figure 1. Load Derating CurveNASDA-QTS-39017C/201B
29 May 2023
4.

JAXA
Parts Specification

Page–3–

PRODUCT INSPECTIONS
Appearance, construction, physical dimensions and mass shall be in accordance withparagraph 3.4 of NASDA-QTS-39017, and Figure 2 and Table 3.

Note: If dimensions are satisfied, construction need not be as in the drawing.

Figure 2. Construction and Dimensions

Table 3 Dimension, Marking and Mass
Style

RLS05

RLS07

RLS20

RLS32

RLS42D

1.7±0.3

2.8±0.8

3.3±0.8

5.0±1.0

7.5±1.0

Dimensions

L

4.0±0.5

6.4±0.89.5±1.5

15.0±1.519.0±1.5(mm)d0.41±0.05

0.64±0.05

0.64±0.05

0.64±0.05

0.81±0.05ℓ32.0±6.0

38.0±3.0

38.0±3.0

38.0±3.0

38.0±3.0

0.3 max.

0.5 max.

0.75 max.

1.5 max.

4.0 max.

Mass (g)Marking9234(Example ofminimum requiredmarking.)

1003FT

RLS7T
1003F

RLS20T
1003F
XXX (1)

Notes(1) XXX・・・Abbreviation or trademark of manufacturer.
(2) The end of the resistor body shall be that point at which the body diameter equals 2.5 times of
the nominal lead diameter.

NASDA-QTS-39017C/201B
29 May 2023
5.

JAXA
Parts Specification–4–Page

PERFORMANCE
Performance shall be in accordance with Table 4.
Table. 4 Performance
Test method
ItemNo.

paragraph ofPerformance

NASDAQTS-39017

1Products

4.7.2

In accordance with Figure 2 and Table 3

4.7.3

Allowable resistance change: ± (0.5%+0.05Ω)

inspection
2Voltage aging

Style

RLS05

RLS07

RLS20

RLS32

RLS 42Max. test voltage

250250350500500(V)3Resistance

4.7.4

Within stipulated resistance tolerance.

4DPA

4.7.5

Shall meet the conditions stipulated in the reliability assurance
program.

56Solderability

4.7.6

Resistance to4.7.7(1)Not less than 95%
There shall be no evidence of damage on the case and marking.

solvents
7

Thermal shock[I]

4.7.8.1

Allowable resistance change: ± (0.25%+0.05Ω)8

Thermal shock[II]

4.7.8.2

Allowable resistance change: ± (0.5%+0.05Ω)9

Resistance-

4.7.9±100ppm/ºC

temperature
characteristics
10

Low-4.7.10

Allowable resistance change: ± (0.25%+0.05Ω)4.7.11

Allowable resistance change: ± (0.25%+0.05Ω)4.7.12

Allowable resistance change: ± (0.5%+0.05Ω)4.7.13

Allowable resistance change: ± (0.20%+0.05Ω)4.7.14

Allowable resistance change: ± (0.15%+0.05Ω)temperaturestorage
11

Lowtemperature
operation

12

Short-timeoverload

13

Terminal
strength14

Dielectricwithstanding
voltageStyle
Test
Atmovoltage

RLS05RLS07

RLS20

RLS32

RLS42

300

5005001000

1000

200250250350350

spheric(V)pressure
Reducedpressure

NASDA-QTS-39017C/201B
29 May 2023

JAXA
Parts Specification

Page–5–Table. 4 Performance (continued)
Test method
No.

Item

paragraph ofPerformance

NASDAQTS-39017

15

Insulation

4.7.15

Not less than 10,000MΩ.

4.7.16

Allowable resistance change: ± (0.10%+0.05Ω)4.7.17

Moisture resistance：Allowable resistance change ± (1.0%+0.05Ω)resistance16

Resistance tosoldering heat

17

Moisture
resistanceDielectric withstanding voltage：Allowable resistance change:(temperature-± (0.15%+0.05Ω)humidity

Insulation resistance：Not less than 100MΩ.

cycling)
18

Shock

4.7.18

Allowable resistance change. See the stipulation of vibration (highfrequency (2))

19Vibration

4.7.19.1

Allowable resistance change ± (0.20%+0.05Ω)4.7.19.2

Allowable resistance change ± (0.20%+0.05Ω)4.7.20Allowable resistance change 2000 hours ± (1.0%+0.05Ω)(highfrequency)
20

Vibration(random)

21

Loaded life

Allowable resistance change 4000 hours ±2.0%22Stability
4.7.21
Allowable resistance change ±2.0%
Notes (1) The solvent solutions used in this test shall exclude the following.
A mixture consisting of the following:
1. Forty-two parts by volume water, 1 megohm-cm minimum resistivity.
2. One part by volume of propylene glycol monomethyl ether (glycol ether PM, 1-methoxy-2propanol).
3. One part by volume of monoethanolamine.
(2) The allowable resistance change of this test shall be included in the specified allowable
resistance change combined with the subsequent vibration (high frequency) test.

6.

QUALITY ASSURNACE PROVISIONS
Quality assurance provisions shall be in accordance with paragraph 4 of NASDA-QTS39017.

7.
7.1

NOTES
Application Data Sheets
Notes for this resistors shall be referred to paragraph 6 of NASDA-QTS-39017 and theapplication data sheet.

NASDA-QTS-39017C/201B
29 May 2023
7.2

JAXA
Parts Specification

Page–6–Note
Due to the establishment of NASDA-QTS-39017C/201B, resistors procured and stored inaccordance with the specification of superseded revision (NASDA-QTS-39017C/201A) will
not lose the qualification in accordance with the said specification.