High Precision 7.4V PCM Protection Circuit Module for Security Interphone in China
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Product Highlights
- One-Stop OEM/ODM Service: Comprehensive services from design, sourcing, PCB production, SMT/DIP assembly to final packaging.
- High Precision Assembly: Capable of handling 01005 SMD components and THT precision down to 0.6mm with BGA assembly skills.
- Strict Quality Standards: Follows IPC-A-610E Class II/III standards with 100% testing including AOI, ICT, and functional tests.
- Flexible Customization: Offers customizable board materials, thicknesses, colors, layers (1-60), and complex shapes.
- No MOQ Limitation: Accepts orders of any quantity, supporting both small prototypes and large-scale production.
- Fast Delivery Options: Efficient shipping via DHL/UPS/FedEx for small packages; sea/air freight for heavy goods over 300kg.
- IP & Data Security: Respects customer copyright with NDA agreements and strict confidentiality for submitted files.
- Wide Material Selection: Supports FR-4, Aluminum, Copper Base, Rogers, and various surface finishes like ENIG and HASL.
Product Attributes
- Customization
- Available
- Type
- Rigid Circuit Board
- Flame Retardant Properties
- V0
- Model NO.
- OKEY PCB
- Dielectric
- FR-4
- Base Material
- Copper
- Insulation Materials
- Epoxy Resin
- Processing Technology
- Electrolytic Foil
- Application
- Consumer Electronics
- Mechanical Rigid
- Rigid
- Material
- Fiberglass Epoxy
- Brand
- Okey
- Transportation
- DHL, TNT, UPS, FedEx IP/Ie, EMS, Air/Sea Shipment
- Board Material
- Fr4, H-Tg, It-180A, Cem, Aluminum, Copper Base
- Board Thickness
- 0.4-5.0mm
- Solder Mask Color
- Green, White, Black, Blue, Yellow, Red, Purple
- Silkscreen Color
- Green, White, Black, Blue, Yellow
- Copper Thickness
- 0.5-10 Oz
- Layer
- 1-60 Layers
- Min. SMD Size
- 01005
- Certificate
- RoHS, SGS, Reach, UL, ISO9001, Tsca
- Surface Finishing
- HASL, Lf HASL, Enig, OSP, Carbon Oil, Immersion
- Conditions
- New
- Testing
- E-Test, Fly Probe Test, Visual Checking;Aoi Ict
- Order Qty
- Not Limited
- Shape
- Rectangular, Round, Slots, Cutouts, Complex
- Service
- Turnkey PCB Assembly Service
- Transport Package
- Inner Vacuum; Outer Carton Box; Fianlly Pallet
- Specification
- FR-4, 1.6mm board thickness, 1OZ Copper
- Trademark
- OKEY PCBA
- Origin
- Guangdong Shenzhen, China
- HS Code
- 8534009000
- Production Capacity
- 20 000 Square Meters Per Month
Product Images of High Precision 7.4V PCM Protection Circuit Module for Security Interphone in China
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Product Description
Shenzhen Okey Circuit Co.,Ltd provides one-stop electronic OEM/ODM services,from design,components sourcing,PCB production,SMT assembly,DIP assembly,hand soldering,PCBA testing,case assembly to finished products.
Since its establishment in 2006, our products are widely used in computer, audio, digital products, household appliances, automotive, medical, mobile phones, automation equipment, communication products and other industries.
Our production lines are equipped with automatic machines totally high speed and high accuracy. Our min. SMD component precision can meet 01005, and THT precision down to 0.6mm, skilled in ball grid array (BGA) assembly. All products fully conducted test, AOI test, functional text, burn-in test to secure product quality. We fully follow IPC-A-610E class II and class III standard.
High-quality product, reasonable price, fast delivery and good service are always our promise.
Our products:

Our services:
Okey provides following one-stop services for all of our customers:
1) PCB production service, available on FR-4, TG150-180, aluminum, FPC
2) PCBA clone service IC Decrepted ,Programming and ect.
3) PCB assembly service. Available on SMT, BGA, DIP,Stencil
4) Box-build assembly, available on final functional testing and final package
5) Electronic component purchasing service
6) Membrane Switch
7) 24 hours online service
Please feel free to contact us for further information.
PCB&PCBA capabilities:
| SHENZHEN OKEY CIRCUIT CO.,LTD | |
| PCB Manufacturing Capabilities: | |
| Layers | 1-20 Layers |
| Laminate | FR4, H-TG, CEM, Aluminum, Copper Base, Rogers, |
| Ceramics, Iron Base | |
| Max. Board Size | 1200*480mm |
| Min.Board Thickness | 2-Layer 0.15mm |
| 4-Layer 0.4mm | |
| 6-Layer 0.6mm | |
| 8-Layer 1.5mm | |
| 10-Layer 1.6-2.0mm | |
| Min. Line Width/Trace | 0.1mm(4mil) |
| Max. Copper Thickness | 10 OZ |
| Min. S/M Pitch | 0.1mm(4mil) |
| Max. S/M Pitch | 0.2mm(8mil) |
| Min. Hole Dia. | 0.2mm(8mil) |
| Hole Dia. Tolerance(PTH) | ±0.05mm(2mil) |
| Hole Dia. Tolerance(NPTH) | ±0.05mm(2mil) |
| Hole Position Deviation | ±0.05mm(2mil) |
| Outline Tolerance | ±0.1mm(4mil) |
| Twist/Bent | 0.75% |
| Insulation Resistance | >1012Ω Normal |
| Electric Strength | >1.3kv/mm |
| S/M Abrasion | >6H |
| Thermal Stress | 288ºC 10Sec |
| Test Voltage | 50-300V |
| Min. Blind/Buried Via | 0.15mm(6mil) |
| Surface Treatment | OSP,HASL,LF-HASL,ENIG,Gold/Au Plating,Immersion Ag/Silver, |
| Ag/Silver Plating,Immersion Tin,Tin Plating | |
| Testing | E-test, Fly probe test |
| PCB Assembly Manufacturing Capabilities: | |
| Type of Assembly | SMT (Surface-Mount Technology) |
| DIP (Dual Inline-pin Package) | |
| SMT & DIP mixed | |
| Double-sided SMT and DIP assembly | |
| Solder Type | Water Soluble Solder Paste, Leaded process and Lead-Free (RoHS) |
| Components | Passives parts, smallest size 0201 |
| BGA, uBGA, QFN, SOP, TTSOP, and Leadless chips | |
| Fine Pitch to 0.8Mils | |
| BGA Repair and Reball, Part Removal and Replacement | |
| Connectors and Terminals | |
| Bare Board Size | Smallest:0.25''x 0.25'' (6.35mm x 6.35mm) |
| Largest: 20'' x 20'' (508mm x 508mm) | |
| Largest LED PCB: 47'' x 39'' (1200mm x 480mm) | |
| Min. IC Pitch | 0.012'' (0.3mm) |
| QFN Lead Pitch | 0.012'' (0.3mm) |
| Max. BGA size | 2.90'' x 2.90'' (74mm x 74mm) |
| Testing | X-ray Inspection |
| AOI (Automated Optical Inspection) | |
| ICT (In-Circuit Test)/Functional Testing | |
| Component Packaging | Reels, cut tape, Tube and tray, Loose parts and bulk |
Our cooperative partners:
Production lines:
Our advantages:
1. Free programming and free functional test, free package.
2. High quality: IPC-A-610E standard, E-test, X-ray, AOI test, QC, 100% funtional test.
3. Professional service. ISO SMT and through hole assembly, over 12 years experience.
4. Certification for electronics: UL, 94v-0, CE, SGS, FCC, RoHS, ISO9001:2008, ISO14001.
5. 24 hours online service.
Our certificates:

Our packing:
FAQ:
Q1:What kind of PCB file format can you accept for production?
Gerber, PROTEL 99SE, PROTEL DXP, CAM350, ODB+(.TGZ)
Q2:Is my PCB files safe when I submit them to you for manufacturing?
We respect customer's copyright and will never manufacture PCB for someone else with your files unless we receive written permission from you, nor we'll share these files with any other 3rd parties.NDA agreement is workable.
Q3: Can you also handle PCB Assembly?
We have our own PCB assembly factory which can help to source all the components for your product according to your BOM .
Q4: Can you provide ODM and OEM service?
We have experienced R&D team which can do research and design as your requests. Also we good at do reverse engineering .
Q5:What payments do you accept ?
-Wire Transfer(T/T),Western Union,Letter of Credit(L/C),Paypal ,Ali Pay,Credit Cart
Q6:How to ship the goods?
A:For small packages, we will ship the boards to you by DHL,UPS,FedEx,EMS. Door to door service! You will get your PCBs at your home.
B:For heavy goods more than 300kg, we may ship your boards by ship or by air to save freight cost. Of course, if you have your own forwarder,we may contact them for dealing with your shipment.
Q7:What is your minimum order quantity?
No MOQ limitation
Q8: Can we visit your company?
No problem. You are welcome to visit us in Shenzhen. Or the other factory is in GuangDong province.
Q9: How can you ensure the quality of the PCBs?
Our PCBs and PCBA productions are 100% test including Flying Probe Test, E-test and AOI and functional test.
About the Supplier
Company Profile
Shenzhen Okey circuit Co., Ltd., is a professional engaged in high-density multi-layers printed board, special PCB, samples, small and medium batch manufacturing enterprises.
Our company production bases in Shenzhen, which focus on small and medium batch and PCBA OEM extension services. We have nearly 500 employees and the factory area of 10000 square meters for PCB and PCB assembly productions, the annual production capacity of 80, 000 square meters. The company was created by several experts in the circuit board industry.
The enterprise management system of Okey circuit Group adopts 9 serial ERP. We advocated technological innovation, give full play to the leading role of new technology in business operation, to meet the various needs of customers as its own responsibility, and comprehensively provide customers with printed board related technology support and services.
Our products include: Multi-layer PCB, High-frequency PCB, MCPCB, High Tg thick copper PCB, plane winding board, mixed medium PCB, HDI, Rigid-flex combination PCB, special substrate and customized printed circuit boards with various specific requirements. Its products are widely used in communication, power supply, computer network, digital products, industrial control, science and education, medical care, aerospace and national defense and other high-tech fields.
The company is committed to providing high quality, fast and satisfactory service for our domestic and foreign customers. Professional PCB R & D, design and production team; Advanced PCB and PCBA special production equipment and testing instruments; Advanced ERP progress tracking system; Expert technical support and service to ensure the stability of product production process quality, and timely and fast delivery.
About Our Factory & Business Background
- Address
- 1 Floor, 2#Gong Ye Yi Road, Dawangshan, Shajing, Bao'an District, Shenzhen, Guangdong, China
- Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment, Money Gram
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- yantian, huanggang, shekou
Our Production Capability & Technical Expertise
- Main Products
- PCB, PCB Board, Circuit Board, Printed Circuit Board, PCB Assembly, PCB Manufactory, Aluminum PCB, LED PCB, LED Board, Flexible PCB
Our Industry Experience & Global Business Record
- Export Year
- 2012-07-04
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What PCB file formats are accepted for production?
- We accept Gerber, PROTEL 99SE, PROTEL DXP, CAM350, and ODB+(.TGZ) formats.
- Is my PCB file data safe during manufacturing?
- Yes, we respect customer copyright and will not share files with third parties without written permission. NDA agreements are available.
- Do you provide PCB assembly services?
- Yes, we have our own PCB assembly factory to source components according to your BOM and perform SMT/DIP assembly.
- Can you provide OEM and ODM services?
- Yes, our experienced R&D team can handle research, design, and reverse engineering based on your requests.
- What payment methods do you accept?
- We accept Wire Transfer (T/T), Western Union, Letter of Credit (L/C), PayPal, Ali Pay, and Credit Card.
- How do you ship the goods?
- Small packages are shipped via DHL, UPS, FedEx, or EMS. Heavy goods over 300kg can be shipped by sea or air.
- What is the minimum order quantity (MOQ)?
- There is no minimum order quantity limitation; we accept orders of any size.
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