Between Series Adapters

Part Number	Description / PDF	Quantity
BU-P5319 Mueller Electric Co.	ADAP BNC F TO PHONO PLUG	39119
VA206 Vitelec / Cinch Connectivity Solutions	ADAPT BNC PLUG TO RCA JACK SILV	306
3744A-2 Pomona Electronics	ADAPT SPADE LUG TO BAN JACK RED	138
FIT0110 DFRobot	ADAPT TERM BL 2POS TO 2.1MM PLG	0
RJS-12X08FF-RS7001 LTW (Amphenol LTW)	ADAPT CIRC 8POS TO RJ45 JACK BLK	0
4690-2 Pomona Electronics	ADAPT SCKT 0.030" TO BAN JCK RED	149
9341 RED E-Z-Hook	ADAPT PIN 0.094" TO BAN JCK RED	0
3971 Adafruit	USB MINI B MALE PLUG TO 5-PIN TE	56
BU-30212-0 Mueller Electric Co.	SPADE TERM 7MM TO BANA JACK BLK	25
RJADK25S7080821 NorComp	ADAPT DB25F TO RJ45 JACK	0
RFT-1237 RF Industries	TNC MALE-RCA FEMALE	28
2902318 Phoenix Contact	CONN D-SUB PLUG 9POS STR	72
CT2553-6 Cal Test Electronics	ADAPTER 6MM SPADE 4MM J BLUE	1
9337 BLK E-Z-Hook	ADAPT SCK 0.094" TO BAN JACK BLK	0
3565-2 Pomona Electronics	ADAPT PIN 0.093" TO BAN JCK RED	211
FIT0151 DFRobot	ADAPT TERM BL 2POS TO 2.1MM JCK	0
324X Switchcraft / Conxall	ADAPT MALE XLR TO RCA JACK	0
5700-0 Pomona Electronics	ADAPT 8/32 SCRW TO BAN JACK BLK	135
3564-0 Pomona Electronics	ADAPT SCK 0.093" TO BAN JACK BLK	137
BU-00261 Mueller Electric Co.	PLUG BANANA	144

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