1N4001S 1A Silicon Rectifier

Code: QL73Q

  • Low forward voltage drop
  • High current capability
  • High reliability

Product details

1N4001S 1A Silicon Rectifier

• Low forward voltage drop• High current capability• High reliability• High surge current capability• 0.6mm diameter leads

Max. Average forward rectified current: 1A
Peak forward surge current: 30A
Max. DC reverse current: 5uA
Junction capacitance typ.: 15pF
Temperature range: -65 to +150°C
Part Max. recurrent Max. RMS Max. DC
number peak reverse voltage blocking
voltage voltage
1N4001S 50V 35V 50V

What are the physical dimensions of the 1N4001S 1A ?

Asked by: Mike
The part is 3.8mm with 28mm legs
Answered by: Dominic
Date published: 2016-12-08

battery  dc  13 volts line operating led lights 0.1amps. which  diode to operate lights,and to stop 13.5 volts 4 watt power coming back the other way.thankyou

Asked by: zippy
As much as we would love to be able to help here, as Technical Support Advisors we cannot offer design project advice or assistance, we are more than happy to locate products and support you with your purchases but we are not able to design entire circuits or projects for you. If you do have the design/circuit information detailing the value of the components needed we will be happy to locate these for you.
Answered by: Dominic
Date published: 2015-12-08

Whats the difference between the 1N4001 and 1N4002 diodes?I can see the voltage rating is different but is one better than the other?
Asked by: Anonymous
It is just the voltage tolerances that are different.
Answered by: JK
Date published: 2015-07-17
  • y_2017, m_6, d_23, h_4CST
  • bvseo_bulk, prod_bvqa, vn_bulk_1.0.0-hotfix-1
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_3
  • loc_en_GB, sid_QL73Q, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_maplin-en_gb

Bulk Prices

Item code Item name Quantity Price
QL73Q 1N4001S 1A Silicon Rectifier (10+) £0.08
QL73Q 1N4001S 1A Silicon Rectifier (1+) £0.09

Why not tell us and our B2B sales team about your specific business needs and expectations?

At Maplin, we’re always looking for innovations and technology that can help your business work more efficiently.

With a dedicated business team and special services available only to business customers, you can access our electronics and technology solutions through our wide network of over 200 stores, our website with more than 20,000 products or though your personal account manager over the phone.

Working with organisations for nearly 30 years, Maplin offers a nationwide range of benefits to our business users:

  • 30 day EOM credit account
  • volume discount pricing
  • online and in-store use of account
  • one-to-one account management
  • bespoke product sourcing and branding
  • free delivery on orders over £10
  • scheduled and forward ordering service

Contact our business team on 

0333 400 9740 to open an account or discuss your business needs.

To receive your free copy of the Maplin Catalogue just call 0333 400 9740.


  • Home Delivery
  • Click & Collect