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Susumu SSM RF low capacitance thin film resistors vintage 1970's.
Susumu SSM RF low capacitance thin film resistors vintage 1970's.
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Old 7th April 2018, 12:15 AM   #1
rjm is offline rjm  Japan
Richard Murdey
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Join Date: May 2004
Location: Kyoto
Susumu SSM RF low capacitance thin film resistors vintage 1970's.
Default Susumu SSM RF low capacitance thin film resistors vintage 1970's.

Specialist resistors for RF applications, made by Susumu. Date from 1970.

These are thin film construction, but the resistive element is planar not spiral wound for lowest capacitance. In appearance they look like a mica capacitor. Size is about 15 mm long.

over 100 pcs in total, asking $25 shipped.

These were custom order, research-grade parts. Precision, high quality, Japan made. I don't know the tolerance, but it appears to be exceptionally high.

5R 4
10R 7
12.5R 2
20R 6
25R 5
50R 7
100R 7
125R 3
200R 7
250R 9
500R 11
1.25k 3
1k 7
2k 8
2.5k 8
5k 12
10k 6

(fun aside: this is a very local company for me, their HQ is in Kyoto about 20 minutes away by train)
Attached Images
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File Type: jpg DSC_6829.jpg (313.9 KB, 85 views)
File Type: jpg DSC_6830.jpg (362.3 KB, 85 views)
File Type: jpg DSC_6831.jpg (346.5 KB, 80 views)
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Last edited by rjm; 7th April 2018 at 12:24 AM.
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Old 7th April 2018, 12:57 AM   #2
vvs07 is offline vvs07  United States
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Join Date: Jun 2011
Susumu SSM RF low capacitance thin film resistors vintage 1970's.
Quote:
Originally Posted by rjm View Post
Specialist resistors for RF applications, made by Susumu. Date from 1970.

These are thin film construction, but the resistive element is planar not spiral wound for lowest capacitance. In appearance they look like a mica capacitor. Size is about 15 mm long.

over 100 pcs in total, asking $25 shipped.

These were custom order, research-grade parts. Precision, high quality, Japan made. I don't know the tolerance, but it appears to be exceptionally high.

5R 4
10R 7
12.5R 2
20R 6
25R 5
50R 7
100R 7
125R 3
200R 7
250R 9
500R 11
1.25k 3
1k 7
2k 8
2.5k 8
5k 12
10k 6

(fun aside: this is a very local company for me, their HQ is in Kyoto about 20 minutes away by train)
Pm sent.
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Old 7th April 2018, 01:09 AM   #3
rjm is offline rjm  Japan
Richard Murdey
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Join Date: May 2004
Location: Kyoto
Susumu SSM RF low capacitance thin film resistors vintage 1970's.
sold to vvs07, thanks!
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