Between Series Adapters

Part Number	Description / PDF	Quantity
4104 Adafruit	DIY USB CABLE PARTS - RIGHT ANGL	0
BU-30211-9 Mueller Electric Co.	ADAPT SPADE LUG TO BAN JACK WHT	917
BU-30211A-2 Mueller Electric Co.	ADAPT SPADE LUG TO BAN JACK RED	319
AD1 Vitelec / Cinch Connectivity Solutions	ADAPT BNC JACK TO RCA PLUG SILV	11
RJADK25P7080831 NorComp	ADAPT DB25M TO RJ45 JACK GRAY	190
5531 Pomona Electronics	ADAPT RING TERM TO BANANA JACK	0
BP881 Fluke Electronics	ADAPT BNC PLUG TO DUAL BAN PLUG	0
NMA-8109 Quest Technology International	MODULAR ADAPTER 8P8C RJ45 TO DB	396
9337 RED E-Z-Hook	ADAPT SCKT 0.094" TO BAN JCK RED	0
RFT-1238 RF Industries	TNC FEMALE-RCA MALE	173
LS-00015 OSEPP Electronics	DC BARREL JACK ADPTR FEMALE 2PK	159
AT-23066 ASSMANN WSW Components	ADAPT DB9M TO RJ45 JACK BEIGE	7
PRT-10288 SparkFun	ADAPT TERM BL 2POS TO 2.1MM JCK	675
9336 RED E-Z-Hook	ADAPT SCKT 0.062" TO BAN JCK RED	0
4690-0 Pomona Electronics	ADAPT SCK 0.030" TO BAN JACK BLK	97
AB401 ASSMANN WSW Components	ADAPT DB9M TO PS/2F BEIGE	0
TCAW-75-W Switch Components	7P RV TO 5-POLE FLAT W/BOOT	200
4105 Adafruit	DIY USB CABLE PARTS - RIGHT ANGL	116
CT2985 Cal Test Electronics	BNCF ADAPTER 4MM SAFETY JACKS	12
3073 Pomona Electronics	ADAPT BNC JACK TO BAN PLG STACK	605

Between Series Adapters

1. Overview

Between Series Adapters (BSA) are interconnect solutions that bridge incompatible electrical or data interfaces across different device series or standards. These adapters enable seamless signal/power transmission while maintaining performance integrity. In modern electronics, BSAs are critical for system integration in industrial automation, telecommunications, and consumer electronics, where heterogeneous hardware ecosystems demand interoperability.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
Protocol Conversion Adapters	Translates signaling protocols (e.g., RS-232 to USB)	Industrial PLC programming interfaces
Physical Interface Adapters	Mechanical/electrical conversion between connector styles	DB9 to RJ45 Ethernet converters
Signal Conditioning Adapters	Modifies signal voltage levels or impedance matching	RF coaxial to waveguide transitions
Hybrid Power/Data Adapters	Simultaneous power and high-speed data transmission	PoE++ to USB4 combination adapters

3. Structural Composition

Typical BSAs consist of: - Termination Substrate: Gold-plated phosphor bronze contacts (0.1-0.8mm thickness) - Insulation Body: LCP/LPA engineering plastic (UL94 V-0 rating) - Shielding Layer: 0.1mm thick aluminum-mylar composite - Retention Mechanism: Threaded coupling or push-pull latching - Signal Path: Precision-machined PCB traces (impedance controlled to 5%)

4. Key Technical Specifications

Parameter	Typical Range	Importance
Contact Resistance	5-20m	Affects signal integrity and power efficiency
Insulation Resistance	>1G	Determines leakage current safety
Current Rating	1-15A	Dictates power handling capability
VSWR (RF Adapters)	1.2:1-1.8:1	Measures signal reflection performance
Operating Temperature	-55 C to +125 C	Ensures environmental reliability

5. Application Fields

Industrial: CNC machine tool interface adapters
Telecom: 5G massive MIMO antenna array connectors
Consumer: Smartphone multi-port charging docks
Medical: MRI machine sensor interface hybrids

6. Leading Manufacturers and Products

Manufacturer	Key Product Series	Technical Highlights
TE Connectivity	CONSENT Hybrid Adapters	20Gbps data rate + 12A power capacity
Amphenol	MIL-DTL-38999 Series III	Hermetically sealed aerospace connectors
Molex	SL Series Adapters	0.5mm pitch for compact medical devices
Samtec	USB4 Protocol Converters	Backward compatible with USB3.2/Thunderbolt

7. Selection Guidelines

Key considerations include: - Interface compatibility (pin count, pitch spacing) - Environmental requirements (IP rating, temperature range) - Signal bandwidth requirements (rise time <1ns requires <3GHz bandwidth) - Mechanical durability (>5000 mating cycles for industrial) - Compliance with standards (IEC 61076, MIL-STD-810)

Case Study: In automotive test systems, selecting a CAN-FD to Ethernet BSA with IP67 rating and EMI shielding reduced field failure rates by 72%.

8. Industry Trends

Future developments include: - Integration of active signal conditioning ICs in adapters - Nano-coating technologies for corrosion resistance - Software-defined pin assignment for reconfigurable interfaces - Adoption of AI-driven contact wear prediction algorithms - Growth in optical/electrical hybrid adapters for 800Gbps+ systems