ASO 10.3x38  Standard
ASO 10.3x38  PCB version
PCB version
ASO 10.3x38  Standard
ASO 10.3x38  PCB version

Series: ASO 10.3x38

Midget Fuse, 10.3 x 38 mm, 1000 VDC, Photovoltaic, gPV

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26 Variants


  • Meets the new UL and IEC photovoltaic standards
  • UL Recognized for 1000 VDC
  • High breaking capacity of 20 kA @ 1000 VDC
  • Low min. interrupting rating of 1.35 x In
  • Meets the requirements of IEC 61730-2 for PV module safety


  • Photovoltaic applications
  • Inverters
  • Battery charge controllers
  • In-line protection
  • String fuses

Rated Voltage

1000 VDC

Rated current

1 - 30 A

Breaking Capacity

20 kA




Insert, PCB/THT

Admissible Ambient Temp.

-50 °C to 125 °C

Unit Weight

8.3 g

Storage Conditions

0 °C to 60 °C, max. 70% r.h.

Product Marking

Schurter_Prüfzeichen, Type, Rated current, Rated Voltage, Breaking Capacity, Characteristic, Approvals

Detailed information on product approvals, code requirements, usage instructions and detailed test conditions can be looked up in  Details about Approvals
SCHURTER products are designed for use in industrial environments. They have approvals from independent testing bodies according to national and international standards. Products with specific characteristics and requirements such as required in the automotive sector according to IATF 16949, medical technology according to ISO 13485 or in the aerospace industry can be offered exclusively with customer-specific, individual agreements by SCHURTER.


The approval mark is used by the testing authorities to certify compliance with the safety requirements placed on electronic products.

Approval Reference Type: ASO 10.3x38

Approval Logo Certificates Certification Body Description
Approval marks UL UL UL File Number: E345791
Approval marks CSA CSA CSA Certification Record: 248899

Application standards

Application standards where the product can be used

Organization Design Standard Description
Partners IEC_Certification_Body Suitable for applications acc. IEC/UL 62368-1 Audio/video, information and communication technology equipment - Part 1: Safety requirements


The product complies with following Guide Lines

Identification Details Initiator Description
Approval marks CE Selbsteklaration SCHURTER AG The CE marking declares that the product complies with the applicable requirements laid down in the harmonisation of Community legislation on its affixing in accordance with EU Regulation 765/2008.
Approval marks Zulassung_Symbol_UKCA SCHURTER AG The UKCA marking declares that the product complies with the applicable requirements laid down in the British Amendment of Regulation (EC) 765/2008.
Environment_Safety RoHS_Logo_color_CMYK_tif SCHURTER AG Directive RoHS 2011/65/EU, Amendment (EU) 2015/863
Environment_Safety China_RoHS_e_konform_eps SCHURTER AG The law SJ / T 11363-2006 (China RoHS) has been in force since 1 March 2007. It is similar to the EU directive RoHS.
Environment_Safety REACH SCHURTER AG On 1 June 2007, Regulation (EC) No 1907/2006 on the Registration, Evaluation, Authorization and Restriction of Chemicals 1 (abbreviated as "REACH") entered into force.


Dimension [mm]


Derating Curves

Percentage of Rating [%]
Ambient Temperature [°C]

Pre-Arcing Time

Rated Current In 1.0 x In min. 1.13 x In min. 1.35 x In max. 1.45 x In max. 2.0 x In max.
1 A - 30 A 60 min 60 min 60 min 60 min 4 min


Time in Seconds
Current in Amperes

Short Table of Variants ASO 10.3x38 Open complete table ASO 10.3x38

Rated Current [A] Mounting Rated Voltage [VDC] Order Number A=Most Popular

A=Most Popular

Most popular products have the following customer benefits:
- previously ordered by multiple customers
- generally in stock for immediate delivery
- early adoption or mature life cycle
Contact us for availability on other product variants, lead-times vary:
Contact-Form Availability for all products can be searched real-time. Enter part number and required quantity:
Stock Check SCHURTER

Free Sample

Free Sample

Please ask for free sample in order to check if the products meets your requirement for your application. Send your delivery adress and your specific requirements.

Distributor Stock Check

Distributor Stock Check

The following links refers to the inquiry form for distributors stock information of the selected products. It allows checking for the available amount and optionally to place an order at your selected partner.
The stock availability at the distributors may also be called up separately and the desired product manually entered.
Stock Check Distributor

1 Standard 1000 0090.0001  A  ...
2 Standard 1000 0090.0002  A  ...
3 Standard 1000 0090.0003  A  ...
4 Standard 1000 0090.0004  A  ...
5 Standard 1000 0090.0005  A  ...
6 Standard 1000 0090.0006  A  ...
8 Standard 1000 0090.0008  A  ...
10 Standard 1000 0090.0010  A  ...
12 Standard 1000 0090.0012  A  ...
15 Standard 1000 0090.0015  A  ...
20 Standard 1000 0090.0020  A  ...
25 Standard 1000 0090.0025  A  ...
30 Standard 1000 0090.0030  A  ...
1 PCB 1000 0090.1001 ...
2 PCB 1000 0090.1002 ...
3 PCB 1000 0090.1003 ...
4 PCB 1000 0090.1004 ...
5 PCB 1000 0090.1005 ...
6 PCB 1000 0090.1006 ...
8 PCB 1000 0090.1008 ...
10 PCB 1000 0090.1010 ...
12 PCB 1000 0090.1012 ...
15 PCB 1000 0090.1015 ...
20 PCB 1000 0090.1020 ...
25 PCB 1000 0090.1025 ...
30 PCB 1000 0090.1030 ...

Most Popular.

1) 20 kA @ 1000 VDC, L/R < 2ms

Packaging Unit Standard version  Bulk (10 pcs.)
PCB version  Bulk (100 pcs.)

Corresponding Fuseholder (4)

[Swipe to the left and right for more options]

Corresponding Cover (1)

[Swipe to the left and right for more options]

Accessories (1)

[Swipe to the left and right for more options]

ESO 10.3x38

Fuse Inserter/Extractor with Cover Function for 10.3x38 mm Fuses in Clips, Patent Pending

en prod By changing the catalog version (Desktop <> Mobile), the system is resetting the chosen filters