Terminals - Barrel, Bullet Connectors

Image Part Number Description / PDF Quantity Rfq
0190380011

0190380011

Woodhead - Molex

CONN TERM RCPT 14-16AWG CRIMP

2335

34482

34482

TE Connectivity AMP Connectors

CONN TERM RCPT CRIMP

4271

41854

41854

TE Connectivity AMP Connectors

CONN TERM RCPT 18-22AWG CRIMP

14552

62160-1

62160-1

TE Connectivity AMP Connectors

CONN TERM RCPT 20-24AWG CRIMP

0

42142-1

42142-1

TE Connectivity AMP Connectors

CONN TERM RCPT 14-18AWG CRIMP

0

170021-2

170021-2

TE Connectivity AMP Connectors

CONN TERM RCPT 14-20AWG CRIMP

11944

60115-1

60115-1

TE Connectivity AMP Connectors

CONN TERM PIN 20-22AWG CRIMP

0

0190390007

0190390007

Woodhead - Molex

CONN TERM RCPT 14-16AWG CRIMP

1174

42428-5

42428-5

TE Connectivity AMP Connectors

CONN TERM RCPT 20-24AWG CRIMP

13956

42745-2

42745-2

TE Connectivity AMP Connectors

CONN TERM RCPT 14-20AWG CRIMP

2764

60986-1

60986-1

TE Connectivity AMP Connectors

CONN TERM RCPT 20-24AWG CRIMP

5383

170002-2

170002-2

TE Connectivity AMP Connectors

CONN TERM PIN 14-20AWG CRIMP

0

60793-1

60793-1

TE Connectivity AMP Connectors

CONN TERM PIN 14-18AWG CRIMP

0

0191640009

0191640009

Woodhead - Molex

CONN TERM PIN 18-22AWG CRIMP

4000

350015-2

350015-2

TE Connectivity AMP Connectors

CONN TERM RCPT 18-22AWG CRIMP

15500

61119-3

61119-3

TE Connectivity AMP Connectors

CONN TERM RCPT FLAG 20-24AWG

13950

170002-5

170002-5

TE Connectivity AMP Connectors

CONN TERM PIN 14-20AWG CRIMP

1018

726535-000

726535-000

TE Connectivity Aerospace Defense and Marine

CONN TERM PIN 18-22AWG CRIMP

1770

0190390006

0190390006

Woodhead - Molex

CONN TERM RCPT 14-16AWG CRIMP

0

62074-1

62074-1

TE Connectivity AMP Connectors

CONN TERM PIN 20-24AWG CRIMP

0

Terminals - Barrel, Bullet Connectors

1. Overview

Barrel and Bullet connectors are cylindrical electrical connectors primarily used for power transmission and signal routing. Barrel connectors typically feature a concentric conducting surface separated by insulation, while Bullet connectors use a single-pin design with high-conductivity materials. These connectors play critical roles in consumer electronics, industrial equipment, and automotive systems due to their reliability and compact design.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Barrel ConnectorsCoaxial design with center pin and outer sleeveAC/DC power adapters, audio equipment
Bullet ConnectorsSingle-contact cylindrical designEV charging systems, RC drones, battery packs
Locking BarrelThreaded or snap-lock mechanismIndustrial machinery, medical devices
High-Current BulletGold-plated contacts for minimal resistanceElectric vehicles, robotics

3. Structure and Composition

Barrel connectors typically consist of three main components: 1) Center contact pin (phosphor bronze with gold plating), 2) Insulating dielectric (polyamide or PBT), 3) Outer conductive sleeve (nickel-plated brass). Bullet connectors feature a precision-machined single contact element with spring-loaded retention mechanisms. Both types utilize thermoplastic housings for strain relief and environmental protection.

4. Key Technical Specifications

ParameterSignificance
Current Rating (3-30A)Determines power transmission capacity
Voltage Range (12-600V)Defines operational safety limits
Contact Resistance (<2m )Affects thermal performance
Insulation Resistance (>100M )Ensures dielectric integrity
Mating Cycles (500-10,000)Indicates mechanical durability

5. Application Fields

  • Consumer Electronics: Laptop power supplies, audio interfaces
  • Industrial: CNC machine tooling, automated test equipment
  • Automotive: Battery management systems, charging stations
  • Renewable Energy: Solar inverters, wind turbine controllers

6. Leading Manufacturers and Products

ManufacturerRepresentative Product
AmphenolPowerGuard High-Current Barrel Connectors
TE ConnectivityMini-Fit Jr. Bullet Connectors
MolexMX150L High-Temperature Connectors
DelphiEvolution Series Automotive Connectors

7. Selection Recommendations

Key considerations include: 1) Current requirements (use 20% derating factor), 2) Environmental conditions (temperature range, IP rating), 3) Mechanical constraints (space limitations, mating force). For medical applications, specify Agilent-grade insulation materials. For outdoor EV charging stations, prioritize IP67-rated waterproof designs. Always verify compatibility with cable gauge specifications.

8. Industry Trends

Key developments include: miniaturization (sub-2mm diameters), hybrid connectors combining power/signal transmission, smart connectors with integrated sensors, and eco-friendly manufacturing processes reducing RoHS compliance risks. The global market is projected to grow at 6.8% CAGR through 2030, driven by EV and IoT device adoption.

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