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Thin Film products by Susumu is environmentally friendly by nature.
■Completely lead free: Our thin film products do not contain any
lead even in the areas that are not restricted by RoHS.
The lead free products are designated as "Completely lead free"
in the catalogue.
Typical RG/RM construction and composition
■Products' extremely long life contributes to conserving resources.
Extremely long life products: RG series (page 4), RM series (page 6)
Thin film resistors are high precision and very reliable by nature.
New RG series boasts 8 times longer life compared to our conventional thin
film resistors.
Under normal usage (normal temp. and humidity), the expected resistance
drift is less than 0.1% after 116years
| Comparison to our conventional product |
| Product series |
Type |
Judgment Criteria |
Years |
| RG series |
Highly reliable thin film chip resistor |
0.1% resistance drift |
over 116 yrs |
| RR series |
Thin film chip resistor |
14 years |
| Test Condition |
85 degree centigrade, 85 %RH, 10% rated voltage bias, 90 min. on/30min.
off |
■Thin film enables us to make components smaller, contributing conserving resources.
| Example 1: RL series |
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| Comparison to our conventional product (unit: mm) |
| Power |
Conventional type |
RL |
area % |
| 0.1W |
1.6~0.8 |
0.6~0.3 |
14% |
| 1W |
6.4~3.2 |
3.7~2.0 |
36% |
| 2W |
11.5~7.0 |
7.5~2.0 |
19% |
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| Example 2: RGH series |
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| Comparison to our conventional product (unit: mm) |
| Power |
Conventional type |
RGH |
area % |
| 1/8W |
1.6~0.8 |
1.0~0.5 |
39% |
| 1/4W |
3.2~1.6 |
2.0~1.25 |
48% |
SSM Group Companies, as a whole group, strive to create environmentally
friendly components.
| SSM Group ISO14001 certification status |
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| Company Name |
Facilities |
Certification date |
Certifying body |
Cert. # |
| Susumu Co., Ltd. |
Obama Factory |
2000.12.15 |
JQA |
EM1184 |
| Headquarter, Sales offices |
| Yokohama Denshi Seiko Co., Ltd. |
Niigata Factory |
2001.03.09 |
JQA |
EM1388 |
| Thin Film Technology Corp. |
Mankato facility |
2000.03.24 |
UL |
A8561 |
| Cyntec Co., Ltd. |
Hsin-ChuiTaiwanj |
2002.08.26 |
UL |
A11463 |
| SuzhouiChinaj |
2003.10.22 |
UKAS |
140858 |
< On RoHS>
All our products are RoHS compliant.
RoHS compliant products are designated as "RoHS compliant" in
the catalogue.
< Ordering and differentiation of lead free terminal products >
Refer to products list file
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Company Profile
