Available 24/7 at
0755-82798135Central Technologies CTS4F-821K
CTS4F-821K Supplier & Distributor
CTS4F-821K is an electronic component from Central Technologies. TomatoElec is an in-stock independent distributor supporting original component sourcing, inventory checks and BOM purchasing needs.
We support RFQ handling, component availability confirmation and sourcing coordination for OEM, EMS, repair and electronic trading companies.
- Original component sourcing support
- In-stock inventory checking
- RFQ and availability confirmation
- BOM sourcing and bulk order support
- Part No.:
- CTS4F-821K
- Manufacturer:
- Central Technologies
- Category:
- Fixed Inductors
- Package:
- Axial
- Datasheet:
-
CTS4F-821K.pdf
- Description:
- 820UH XIALSHIELDED INDUCTOR
- Quantity:
Unit Price:$0
Ext Price:$0
- Payment:

- Shipping:

Inventory:0
Send us your inquiry,we will respond immediately.
About CTS4F-821K
Looking for CTS4F-821K supplier or distributor? Tomato Electronics provides high-quality electronic components including MLCC capacitors, tantalum capacitors, ICs, diodes and more.
Contact us now for quotation and availability of CTS4F-821K.
CTS4F-821K Specifications
- Specifications
- FAQ
- The Posts
- Attributes
- Property Value
- Manufacturer
- Central Technologies
- Series:
- CTS4F
- Package/Case:
- Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Molded
- Material - Core:
- -
- Inductance:
- 820 µH
- Tolerance:
- ±10%
- Current Rating (Amps):
- 151 mA
- Current - Saturation (Isat):
- 45mA
- Shielding:
- Shielded
- DC Resistance (DCR):
- 10Ohm Max
- Q @ Freq:
- 70 @ 790kHz
- Frequency - Self Resonant:
- 4.8MHz
- Ratings:
- -
- Operating Temperature:
- -55°C ~ 125°C
- Inductance Frequency - Test:
- 1 kHz
- Features:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- Axial
- Size / Dimension:
- 0.160" Dia x 0.449" L (4.06mm x 11.40mm)
- Height - Seated (Max):
- -
- Category:
- Fixed Inductors
1. How to order CTS4F-821K from Hong Kong Tomato Electronics Co., Limited?
You can submit an RFQ for CTS4F-821K directly on our website. After receiving your request, our sales team will contact you with price, availability, lead time and order details. Once you confirm the quotation, we will help you complete the order process.
2. How does Hong Kong Tomato Electronics Co., Limited ensure that CTS4F-821K is original and reliable?
Hong Kong Tomato Electronics Co., Limited works with qualified supply channels and applies strict quality control procedures for electronic components including CTS4F-821K. We pay close attention to supplier screening, product verification and delivery quality to help customers source with confidence.
3. Are the price and inventory of CTS4F-821K accurate?
The price and inventory of CTS4F-821K may change due to market conditions and stock movement. We update information as frequently as possible, but final quotation and availability should be confirmed by our sales team. In most cases, quotations are valid for 3 to 5 days.
4. What payment methods are accepted?
We usually accept Wire Transfer, PayPal, Alipay, WeChat Pay, Credit Card, Western Union and other agreed payment methods, depending on the order and customer location.
Please note that some payment methods may involve additional handling charges.
5. How is the shipping arranged?
Customers can choose major international carriers such as DHL, UPS, FedEx and other available shipping methods. Shipping options depend on package size, destination and delivery urgency.
After shipment, our team will send you the shipping status and tracking number by email.
Please note that tracking information may take some time to become active after dispatch.
6. What is the return or replacement policy for CTS4F-821K?
All shipments are checked before dispatch. If there is a confirmed issue related to the delivered CTS4F-821K, such as incorrect quantity, wrong item or verified product problem, please contact us as soon as possible.
Return or replacement requests are usually accepted only when the part remains unused and in its original packaging, and when the issue is reported within the agreed time after delivery.
Please contact our team first before returning any goods so that we can confirm the issue and provide return instructions.
7. How can I get technical support, such as the datasheet or specifications for CTS4F-821K?
If you need technical support for CTS4F-821K, including datasheets, specifications or general product information, please contact our sales team. We will do our best to help you obtain the relevant information.

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- Comparison
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| Part No. | CTS4F-103K | CTS4F-154K | CTS4F-2R2J | CTS4F-330J | CTS4F-222K |
| Manufacturer | Central Technologies | Central Technologies | Central Technologies | Central Technologies | Central Technologies |
| Series | CTS4F | CTS4F | CTS4F | CTS4F | CTS4F |
| Package/Case | Axial | Axial | Axial | Axial | Axial |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) |
| Product Status | Active | Active | Active | Active | Active |
| Type | Molded | Molded | Molded | Molded | Molded |
| Material - Core | - | - | - | - | - |
| Inductance | 10 mH | 150 mH | 2.2 µH | 33 µH | 2.2 mH |
| Tolerance | ±10% | ±10% | ±5% | ±5% | ±10% |
| Current Rating (Amps) | 50 mA | 15 mA | 1.29 A | 505 mA | 103 mA |
| Current - Saturation (Isat) | 14mA | 3mA | 1.29A | 190mA | 27mA |
| Shielding | Shielded | Shielded | Shielded | Shielded | Shielded |
| DC Resistance (DCR) | 93Ohm Max | 560Ohm Max | 140mOhm Max | 930mOhm Max | 22Ohm Max |
| Q @ Freq | 70 @ 250kHz | 30 @ 25kHz | 42 @ 7.9MHz | 50 @ 2.5MHz | 70 @ 250kHz |
| Frequency - Self Resonant | 1.3MHz | 180kHz | 108MHz | 33MHz | 2.2MHz |
| Ratings | - | - | - | - | - |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Inductance Frequency - Test | 1 kHz | 25 kHz | 7.9 MHz | 1 kHz | 1 kHz |
| Features | - | - | - | - | - |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Supplier Device Package | Axial | Axial | Axial | Axial | Axial |
| Size / Dimension | 0.160" Dia x 0.449" L (4.06mm x 11.40mm) | 0.160" Dia x 0.449" L (4.06mm x 11.40mm) | 0.160" Dia x 0.449" L (4.06mm x 11.40mm) | 0.160" Dia x 0.449" L (4.06mm x 11.40mm) | 0.160" Dia x 0.449" L (4.06mm x 11.40mm) |
| Height - Seated (Max) | - | - | - | - | - |
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