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CTK SOD-523 ESD Protection Diode - Package-Specific ESD Protection Diode Supplier
Products Description
The SOD-523 ESD Protection Diode series serves customers who need low leakage standby in applications such as wearables, earbuds, IoT sensors. The SOD-523 package is presented as a distinct layout decision rather than a simple package-name substitution. Typical users include designers fighting for every millimeter of PCB area. Confirm exact electrical limits in the datasheet before final approval.
| Part Number | VR(V) | IR(uA) | VBR(V) | Ipp(A) | Vc(V) | Parameter | Cj(pF) | Parameter | Parameter | Ppp(W) | VT(V) | Marking | Package | MPQ | Remark |
| TESD03D5 | 3.3 | 5 | 4 | 15 | 15 | / | / | 110 | / | 250 | / | D3 | SOD-523 | 3000 | |
| TESD05D5 | 5 | 1 | 6~8 | 10 | 12 | 15 | / | 75 | 100 | 150 | / | 5BC | SOD-523 | 3000 | |
| TESD07D5 | 7 | 0.1 | 7.5 | 9 | / | 16 | / | 70 | 85 | 120 | / | 7BC | SOD-523 | 3000 | * |
| TESD12D5 | 12 | 1 | 13.3 | 6 | 21 | 25 | / | 35 | 40 | 120 | / | 12 | SOD-523 | 3000 | * |
| TESD15D5 | 15 | 1 | 16.5 | 5 | 23 | 27 | / | 40 | 50 | 120 | / | 15 | SOD-523 | 3000 | |
| TESD18D5P | 18 | 1 | 20~ | 10 | 28 | 35 | / | 55 | / | 300 | / | 18 | SOD-523 | 3000 | |
| TESD24D5 | 24 | 0.1 | 26.7 | 4 | 42 | 48 | / | 16 | 25 | 200 | / | 24 | SOD-523 | 3000 | |
| TESD36D5 | 36 | 5 | 40 | 1 | / | 55 | / | / | 20 | 120 | / | MP | SOD-523 | 3000 | |
| TESD36D5P | 36 | 1 | 40 | 4 | 58 | 70 | / | 22 | / | 300 | / | MP | SOD-523 | 3000 | |
| TESDB03D5 | 3.3 | 1 | 3.6 | 7 | 9 | 12 | / | 15 | 20 | 80 | / | 3DB | SOD-523 | 3000 | |
| TESDB03BCD5 | 5 | 1 | 5.5 | 5 | / | 15 | / | / | 7 | 75 | / | N | SOD-523 | 3000 | |
| TESDB05D5 | 5 | 0.1 | 5.5~8.5 | 8 | 11 | 13 | / | 15 | 18 | 100 | / | 5XB | SOD-523 | 3000 | * |
| TESDB05BCD5 | 5 | 0.15 | 6~ | 2 | 12.5 | 13.5 | / | 2.5 | 4 | 40 | / | LB | SOD-523 | 3000 | * |
| TESDB05UCD5 | 5 | 1 | 6~ | 1 | / | 13 | / | 0.9 | 1.5 | 20 | / | 5S | SOD-523 | 3000 | * |
| TESDB05D5P | 5 | 1 | 5.5 | 20 | 12 | 18 | / | 33 | 75 | 350 | / | ᴐc | SOD-523 | 3000 | * |
| TESDB12D5 | 12 | 0.1 | 13.3~ | 5 | 22 | 26 | / | 10 | 20 | 100 | / | 12X | SOD-523 | 3000 | |
| TESDB24D5 | 24 | 0.1 | 26.4~ | 3 | 40 | 45 | / | 8 | 15 | 100 | / | 24X | SOD-523 | 3000 |
Features / Advantages
- Package Role: SOD-523 is used here for ultra-compact package for designs where protection or switching must sit very close to the IC pin, giving this page a different selection reason from neighboring packages.
- Circuit Fit: Supports interface protection in wearables, earbuds, and related assemblies where the package outline matters.
- Selection Check: Review datasheet values for the required voltage, current, leakage, capacitance, recovery, or thermal limits before release.
- Assembly Context: The package choice is relevant to placement density, solder joint access, inspection method, and production handling.
- Procurement Value: CTK can support sample verification, stable marking, and wholesale packaging for repeat production.
- Quality Control: Manufacturing checks focus on electrical consistency, package appearance, solderability, and compliance documentation.
Reliability and Certification
CTK reviews SOD-523 ESD Protection Diode as a distinct SOD-523 product line. Inspection covers package marking, solderability, visual quality, and final electrical screening. For ESD Protection Diode selection, customers should compare interface protection, fast clamping, package footprint, and thermal or signal constraints against the datasheet and application board. This keeps engineering review grounded in actual use rather than generic product wording.
Applications
- Wearables: The SOD-523 outline is useful when interface protection must fit the available board area.
- Earbuds: Designers can place the device according to package clearance, routing, and thermal needs.
- IoT sensors: Suitable for products where fast clamping and repeatable assembly are both important.
- Miniature modules: Helps purchasing teams keep a consistent CTK source while matching the physical footprint.
- Compact handheld accessories: A practical option when the circuit needs low leakage standby without changing the broader design architecture.
FAQ
Q: What makes SOD-523 ESD Protection Diode different from nearby CTK package pages?
A: The main difference is the SOD-523 package role: ultra-compact package for designs where protection or switching must sit very close to the IC pin. That affects board space, assembly handling, and the type of products where the device is most convenient.
Q: Which applications usually fit this series?
A: It is commonly reviewed for wearables, earbuds, IoT sensors, miniature modules, especially when engineers need interface protection with a package that matches the layout.
Q: What should be checked before ordering samples?
A: Check the datasheet for the electrical limits required by your design, then confirm pad layout, package height, thermal path, and production packaging.
Q: Can CTK help compare this option with another package?
A: Yes. CTK can support package comparison, sample planning, and wholesale supply discussion when customers are choosing between similar product families.
About CTK
CTK supplies discrete semiconductors with attention to package-level selection, not only product-family keywords. The SOD-523 ESD Protection Diode page is now positioned around ultra-compact package for designs where protection or switching must sit very close to the IC pin, giving engineers and buyers clearer reasons to choose this SOD-523 option within the ESD Protection Diode portfolio.
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