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Discover where to buy 1N4148W diodes in South Africa with local stock at Communica. SMD & through-hole, bulk packs, VAT invoices, quick branch collection.
Find SMD and through-hole 1N4148W diodes in stock for immediate project needs.
Source authentic 1N4148W diodes from top global brands at Communica branches or online.
Suitable for student, industry, and procurement orders, with VAT invoicing and pickup available.
The 1N4148W diode is a widely used fast-switching diode, valued in both educational and commercial electronics applications across South Africa. From signal routing and logic protection to reverse polarity safeguarding and timing circuits, the 1N4148W is a staple component for hobbyists, university project labs, and industry production lines.
The 1N4148W is a silicon, low-power, high-speed switching diode. It is closely related to the classic 1N4148, but the 'W' version typically comes in a compact SOD-123 SMD (surface-mount device) package, supporting high-density PCB layouts and automated assembly. The through-hole 1N4148 (DO-35 glass package) is also popular and available locally.
| Parameter | 1N4148W | Common Use |
|---|---|---|
| Reverse Voltage (VR) | 75-100V | Logic protection, low-voltage rails |
| Forward Current (IF) | ~150mA | Small signals, timing |
| Forward Voltage (VF) | ~1.0V at 10mA | Indicator LED drive, protection |
| Max Switching Speed | <4ns | Signal, clock, high-frequency |
| Package | SOD-123 (SMD) | Reflow or hand solder |
When specifying for local builds, ensure you distinguish between 1N4148 (glass) and 1N4148W (SMD), as they are not physically interchangeable. Both options are typically available ex-stock at Communica for fast delivery or branch pickup in Samrand, Pretoria, and Cape Town.
For students, technicians, and production lines, reliable supply is critical. Communica offers:
Local tip: Always verify quantities on hand via Communica's live online shop or phone your branch before planning a bulk or urgent collection. Some packs sell quickly during project season for university or college builds.
1N4148W is widely compatible with standard 1N4148 circuits, except for the physical mounting difference (SMD vs through-hole). When ordering, check:
The 1N4148W diode is a near drop-in for classic 1N4148 roles, optimized for high-speed and low-leakage switching in:
For students and local manufacturers, consider:
| Formula | Calculation Example |
|---|---|
| Pd = VF x IF | 1.0V x 10mA = 10mW |
For circuits drawing 10mA through each diode, power loss is minimal and well within 1N4148W's 200mW max rating. At 20c per SMD diode (typical for bulk in ZAR, June 2024; check current online price), fitting budgets for student and light manufacturing runs.
Bulk users and educational labs are encouraged to contact Communica for lead time confirmation if large project quantities are required to avoid import delays, especially during peak semester build periods.
Free shipping for orders over ZAR 1,000.00.
Get a full refund if you had the product for less than 7 days.
Nationwide delivery within 2 - 4 working days.
Very friendly and helpful; and a wide selection of items (at their location). You can also purchase via their WebSite; I have never been disappointed...
Review for Communica Samrand Security Wanted to share a heartfelt thank you to the security team at Communica Samrand! Yesterday, I had a personal ex...
Quick service from Layla and her team in providing technical assistance and getting my order together. This is the best service I have received in a l...
I love this place and have been purchasing my electronic parts over 25 years . Layla has been a super sales lady ..friendly and knows her products .
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I have a weird project with weird stuff I needed and Cynthia was super helpful and patient with me searching and deciding on what to get. Awesome serv...
I really recommend communica and the establishment has the best coffee house and the food is amazing
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Thy have a wide range of components. Thy do have a q to wait in but 1 come 1 serve. But while you wait thy have very cool stuff to look at you will al...
From warm welcome by the security check when you enter the store to sales man, then all the way to ladies behind the counter, one of them even organi...
Excellent service from Mpho, so friendly and knowledgeable on the products I required. Thanks Communica.
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Visited a couple of times for supplies and specialised parts Staff is extremely friendly and always helpfull
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Awesome service from Sydney and Nicole...keep up the great job guys
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What an absolute gem Layla is! She went out of her way to source my requested items from another branch, without me asking, and done so with a great b...
I was assisted by Fatima. She was friendly, patient and professional. Thanks for the great service!
Verified customerGreat service. Cynthia has great knowledge of product and very friendly and helpful
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Verified customerI had a fantastic experience at Communica, thanks to the exceptional service provided by Rehaan in sales and Nicole at the cashier. Rehaan was incredi...
Got assisted by a very patient and diligent gentleman by the name Sydney. He was patient in getting me what I needed from the little information I gav...
The kind gentleman right behind the turnstiles at the entrance sales counter helped me immediately as I walked in, Sydney, I think. I needed 8 packs o...
Rehaan was very helpful. He walked woth me through the store and assisted me to get all the items I needed. He also referred me to places that could h...
Amazing services Rehaan is the best, just ask for him. Just excellent service. You may end up buying more things than you had planned though. But it ...
I had a fantastic experience with Communica. Whenever I need electronics on short notice, their sales and logistics team always goes the extra mile to...
Can i give Fatima her flowers.... 10 000 out of 100. Customer service-100% Patience-100% Product knowledge-100% Had the best shopping experience there...
Leila was very helpful and super nice!
Verified customerThanks for you friendly and good service...
Verified customerSydney and Windie was extremely helpful and I received very quick service
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Puleng and Nicole gave me awesome and friendly service
Verified customerWonderful service from nicole at communica samrand
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Fatima was very helpful and patient with my many queries. The shop itself has seen better days but the service was great.
Verified customerFantastic service and help received by Nicole. Communica in general has amazing range of products and solutions to meet my business and personal needs...
Great experience with every purchase thanks to Sydney and nicole
Verified customerAfter searching for a product on the net, Communica was one of several hundred suppliers found. I couldn't be more pleased with my decision to choose...
Sydney was an awesome help, he approached as we walked in for assistance. Nicole was such a darling and very helpful as well. Awesome first time exper...
Ordered online, was just after 6am. Asked if I can pick items up as I wanted to install over the weekend and delivery stated 2-4 working days. Though...
Online support and communication is next level - great communication, fast response - very helpfull, recomended supplier - online payment was no hasse...
He's polite, good with people and made me feel free to talk.. all in all he's helpful
Verified customerAt the till we met Nicole, First of her name! The rightful heir to the iron throne! the Unburnt, Breaker of Chains and pillar of strength at Communic...
Rehaan was the sales representative that helped us. He was friendly and helped us with in seconds. We where very pleased with the service and the expe...
I purchased the TP-LINK VIGI C340 4MM camera online... What an amazing camera. Easy to setup with long distance view, and superb quality. This was an ...
Best service received from Rocket! What a pleasure dealing with him. Thank you Rocket
Verified customerFast good price service. Thank you Sydney.
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Excellent service so far
Verified customerSydney offered exceptional service. He took me step by step on what I needed to buy. Thank you Nicole for the service
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Excellent service by Sydney at the ino counter. So many awsome products! Perfect place to buy gifts for tech junky friends.
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Leburu and nicole were both very helpful my boss send me to get few items as I wasn't very familiar with the items Leburu and my boss spoke with each ...
Sydney and Nicole were amazing I came in and finished within no time thank you so much keep up the friendly service
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Verified customerThe service I always get from Sydney And Lacy the Cashier is amazing. Those are my guys...keep up the good works gentlemen.
Verified customerOrdered online. Got my order in less than 24 hrs. I was updated all the time on the progress. I have never seen service like this. Thanks and well don...
Sydney and Nicole were absolutely fantastic and helped me with my purchases. Thank you.
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Needed to buy a bluetooth GPS receiver. The staff was friendly, knowledgeable and assisted without any issues. This is a toys tore of note for peopl...
azul and Nicole were very helpful and very efficient
Verified customerCynthia at the counter is always very helpful, in fact, all the counter sales ladies are very helpful. Can't say the same for the staff when calling ...
They have mostly any electronic tool and components that you may require - Thanks to Nicole for helping me.
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Verified customerFatima is the best. She has great product knowledge.
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Verified customerAfter spending 2 days hunting for a component i found it here. Dealt with someone telefonically. Help was quick, answered all questions, and called me...
One of the cashier services rendered to me was here at communica by the lady named Nicole and her manager dolly they were both willing to go above and...
The service was excellent, Nicole and Rehaan were very helpful and professional in their work.
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Verified customerThe service was great and Nicole helped me alot. I will definitely come back
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Great service, Rehaan and Layla were spectacular with assistance. 10/10 Would definitely recommend.
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Verified customerArrived and the item i wanted was sold out! Rose assisted me and went out of her way to help me get me the goods! 10/10 customer service!
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Mohamed Sharief is a great asset to Communica. He provides a 5 star service and good product knowledge. Keep up the good work.
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I received a great service from Rehaan, Windy and Nocole. Excellent customer service.
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Verified customerREHAAN and Nicole are extremely helpful and friendly people made my experience at communica a breeze to shop. Thank you again for the help.
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Quick quality customer service.
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Very good service and a happy welcoming smile from the cashier Nicole
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Anyone that seriously loves technology ought to spend time here. They definitely have what you want. Best tech store!
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Verified customerNicolene
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After being supplied the incorrect track for my garage motor, despite me asking twice if it was the correct track, I had to return to the store to exc...
They have most every electronics component you might need. Staff are knowledgeable and friendly. I was looking for a bespoke miniature item for a lapt...
Great service as always from Nicole and Sydney especially Mpho at the sales desk
Verified customerGood Array of products and sound advice
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I visit Communica once in a blue moon. Always wish i have more time to look at everything. Good & friendly service. Nothing wrong with a queuing syste...
Currently have only purchased items from their on-line store. Received what I ordered plus quick delivery. No complaints to date.
Verified customerThe new ticketing system is great, but the queues are still exceedingly long, and there are hardly any staff on hand in the shop to assist with questi...
I needed a heat-sensitive diode as one of my Philips appliances had had a failure. Philips wants you to throw the entire thing away, but I tried look...
I got the most pleasant service from Sydney and Windie
Verified customerExcellent range of items, with technical staff that know their stuff. Unfortunate location that makes it a bit difficult to get to, but worth the tre...
Wide range of electronic components. Very likely to find what you are looking for. Arthur was very helpful. Don't bother trying to call for informatio...
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Great pricing and a wide variety of products to choose from. A must visit if you've ever been to the Pretoria branch.
Verified customerNicole was very helpfull and friendly.
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Verified customerService has improved but still a long way to go to actually sort it out.
Verified customerFriendly service and a vast range of electronic components, devices etc.
Verified customerThe is a computerised quing system and you can pick n pay....but the problem is the is no lift and the only way to get up is using steps
Verified customerFor Sonoff ewelink WiFi switch.
Verified customerThank you for your patience ma'am Mpho
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Verified customerA good electrical/electronic sales store packed with almost every component you require
Verified customerIf you love engineering you'll love this shop apart from the terrible queues and long waiting times
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Verified customerExcellent, ask for Sydney. Solved immediately
Verified customerThey have everything you would need. Service is good
Verified customerBig electronic component shop. Counter can be very busy. Lots of parking.
Verified customerClose to closing time so i was in and out quickly
Verified customerAll the goodies in one place and Mohamed is always willing to help
Verified customerWide variety of electronic goods. Staff helpful with good advise.
Verified customerGood verity, lots of stock, mostly helpful staff
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Verified customerExcellent service Nicole
Verified customerLarge selection, low on staff during lunch time when they are busy.
Verified customerGreat for your electronic needs - Prices are a bit expensive
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Verified customerDefinitely will have what you're looking for.
Verified customerCheap electronics and great educational goodies for the kids
Verified customergood selection of electronic supplies accessible
Verified customerGreat variety of stock on hand
Verified customerGood variety of electronic components available
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Verified customerAll your electronics requirements under one roof, and more!
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Verified customerLove everything here...
Verified customerGood range of products
Verified customerWhatever you need they have
Verified customerLarge number of electronic components
Verified customerCan spend hours in there
Verified customerRather a slow process
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Verified customerGood products
Verified customerHelpful and efficient
Verified customerPlace if definite interest
Verified customerGet electronic kits
Verified customerWide range of components
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Verified customerWaiting time can be annoing.
Verified customerCommunica supplies semiconductors and electronic components to industries such as automotive, electrical, automation, mining, and education.
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