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0.3mm Pitch

BM30A Series

To meet the demand for miniaturization in smart wearable devices, Kyomori-Ka has launched the BM30A series of board-to-board (FPC) connectors. Featuring the industry's smallest dimensions—with a 0.3mm pitch and a 1.5mm mating height—the series utilizes terminals at both ends to also serve as power contacts (supporting 5A), thereby reducing the pin count to achieve a compact form factor. Additionally, the connectors incorporate protective designs and guiding structures to prevent mating damage and enhance alignment accuracy, balancing high performance with ease of use.

Product Purpose:


●Smartwatch	●iPad Tablet	●Mac Computer	●Smart Set-Top Box TV App	●Earbuds / Pods	●iPhone Smartphone

●Smart Speaker Pod	●UAV / Drone	●In-Vehicle Equipment	●Security Equipment	●AGV/AMR	●Motor Drive

●Variable Frequency Drive (VFD)	●Radar, LiDAR	●TCU/Gateway	●Industrial Camera	●CNCs/PLCs	●Endoscope

●Industrial Sensors	●Server	●MRI/CT	●Industrial Robots	●Motor	●Meter

●Car Charger	●HUD Head-Up Display	●IVI/Navigation	●Monitor	●Camera	●Multifunction Printer

Download:

Product Catalog Product Drawing 3D(igs/stp) Product Specifications Test Report(TR) Product Packaging Specifications RoHS Report

Product Specifications

Connector Shape	Plug/Receptacle	PCB Mounting Methods	SMT
Mating Type	Stacking	Mating Direction	Top Entry
Pitch	0.3mm	Solder Tail Pitch	0.3mm
Pin Counts	10. 50 Cores	Contact Plating	Gold
Plating Thickness	0.1 μm Min.	Electrical Transmission Specifications	PCIe Gen.1~Gen.4 MIPI D/C-PHY USB4
Transmission Speed (Representative Reference Value)		Length (Pitch Direction)
Width (Depth)	1.5mm	Fitting Height	0.6mm
Rated Voltage (AC)	50 V	Rated Voltage (DC)	50 V
Rated Current	Signal terminals: AC/DC 0.5 A/pin Power terminals: AC/DC 5.0 A/pin	Withstand Voltage	AC 250Vrms, 1min
Impedance Matching		Contact Resistance	70mΩ Max.
Operating Temperature Range (Max.)	85 ℃	Operating Temperature Range (Min.)	-40 ℃
Array	Dual Row	RoHS2	Yes
Product Suction Cap	No	Product Uses Fire-Resistant Adhesive Tape For Attachment.	No
Boss Locator	No	Durability	50
Locks	Auto I-Lock	Card (FPC) Retention Mechanism	Yes
Packaging Type	Emboss	Package Quantity	15000 PCS

Part Number Structure：BM30A-06-XXP/X-0.3V-810

①Series Name

②Stacking Height By Type (mm)：

③Number Of Signal Terminals

④Connector Type

⑤Number Of Power Terminals

⑥Contact Spacing

⑦Terminal Shape

⑧Packaging Type

BM30A

Plug-side Value + Socket-Side Value
Variable Stacking Heights (0.5, 0.6, 0.7, 0.8, 0.9 mm)

10,50 Cores

P: Dual-Row Plug
R: Dual-Row Socket

2 Cores

0.3mm

V: Straight SMT

(800): Standard Product,
[⑧=05]: Embossed Packaging (20,000 Pieces/Reel)
[⑧=10]: Embossed Packaging (15,000 Pieces/Reel)
(895): Embossed Packaging (1,000 Pieces/Reel) (For Prototypes)

Order Number	Production Status	3D Data Download	Core Spacing [mm]	Connection Method	Fitting Height	Width [mm]	Number Of Cores	Metal Fittings	Operating Temperature Range	Product Shape	Product Series
BM30A-10S-0.3W-R06	In Mass Production	Download	0.30	Parallel Board-To-Board Mating	0.6mm	1.5	10	with	-40 ～ +85℃	Female Connector / Receptacle / Socket	BM30A
BM30A-10S-0.3W-P06	In Mass Production	Download	0.30	Parallel Board-To-Board Mating	0.6mm	1.5	10	with	-40 ～ +85℃	Male Connector	BM30A
BM30A-50S-0.3W-R06	In Mass Production	Download	0.30	Parallel Board-To-Board Mating	0.6mm	1.5	50	with	-40 ～ +85℃	Female Connector / Receptacle / Socket	BM30A
BM30A-50S-0.3W-P06	In Mass Production	Download	0.30	Parallel Board-To-Board Mating	0.6mm	1.5	50	with	-40 ～ +85℃	Male Connector	BM30A

Product Features

◆Space-Saving Design
Compared to our conventional products (0.35 mm pitch), the required surface area is reduced by 32%.
New product: 0.30mm pitch, 1.50mm width
Conventional product: 0.35mm pitch, 1.95mm width

◆The Structure Prevents Damage During Mating.
The unique structure features metal fittings on both the outer and inner sides of the ends; each fitting serves a specific function, enhancing guidance during mating operations and reducing work time. Each fitting is welded to the plate to increase resistance to deformation and breakage.

◆Independent Power Supply Contact
In addition to the signal pins, the two power pins at either end can deliver power to DC 5A contacts, thereby meeting the growing demand for fast charging in smartphones and wearable devices.

◆Improved Operability And A Tactile "Click" Ensure Secure Mating.
Under the compact design, the structure of the contacts and metal accessories ensures reliable insertion and crisp 'click' sound feedback; the double-point contact design has high contact reliability and has been proven by the market.

◆The Product complies with RoHS environmental requirements.

Halogen-free. Chlorine or bromine levels in the connector do not exceed standard limits. * Defined according to the IEC 61249-2-21 standard as: Br ≤ 900 ppm, Cl ≤ 900 ppm, and Br + Cl ≤ 1,500 ppm.

Plating Specifications

Code	Contact Area	Tail Area		Hold-down Tab		RoHS Directive
01+	Au	Au		Sn-Cu		Compliant

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