DFN Package Introduction

Advanced dual-sided flat no-lead packaging process

DFN Package Technology Introduction

DFN packaging is a new type of electronic packaging process that uses advanced dual-sided flat lead-free packaging. The conductive path between internal pins and pads is short, and the self-inductance coefficient and wiring resistance within the package are very low, providing excellent electrical performance. DFN packaging has high flexibility and provides excellent thermal performance through exposed lead frame pads with direct thermal channels for heat dissipation. Typically, the thermal pad is directly soldered to the circuit board, and thermal vias in the PCB help dissipate excess power to the copper ground plane, absorbing excess heat. QFN packaging (Quad Flat No-lead package) offers excellent electrical and thermal performance, small size, light weight, and other advantages.

DFN封装示意图

Product Features

DFN packaging combines miniaturization and flexibility. Multiple pads at the bottom significantly reduce PCB space occupation, and chips can be directly connected to heat sinks for excellent thermal dissipation, improving operating stability and reliability while remaining friendly to automated production.

DFN产品特点介绍图

Miniaturized Design

Chip packaging has smaller dimensions with multiple pads at the bottom, significantly reducing PCB space occupation.

Excellent Thermal Performance

Chips can be directly connected to heat sinks to achieve excellent heat dissipation, improving chip operating stability and reliability.

Automation-Friendly Production

Features that facilitate automated production, improving manufacturing efficiency and product consistency.

Process Capability

ParameterSpecification
Package FormStacked Die Package
Process ModeSecure Wire Arc and Chip Interconnection Process
Product Thickness0.35mm / 0.4mm / 0.45mm / 0.50mm / 0.55mm / 0.75mm / 0.85mm / 1.0mm

Specifications

Package size: 1.0*1.0~5*6mm

Serial No.ModelPin CountSize(mm)Thickness(mm)Pin PitchPin Width(b)mmPin Length(L)mmE-PAD SizeLF-PAD SizeFrame Thickness(mm)Test CapabilityFrame AvailableDefault Packaging
1DFN02L(1.0×0.6×0.5-P0.65)2L1.0×0.60.50.650.50.25无20×200.127YYTAPE
500×500
2DFN06L(1.6×1.6×0.75-P0.5)6L1.6×1.60.750.50.250.251.0×0.648×310.203YYTAPE
1220×800
3DFN06L(2×2×0.75-P0.65)6L2×20.750.650.30.31.6×0.9567×430.203YYTAPE
1700×1092
4DFN08L(1.4×1.7×0.5-P0.4)8L1.4×1.70.50.40.20.55无无0.152YYTAPE
5DFN08L(1.6×1.9×0.5-P0.35)8L1.6×1.90.50.350.150.55无无0.127YYTAPE
6DFN08L(2×2×0.5-P0.5)8L2×20.50.50.20.31.7×0.971×450.127YYTAPE
1800×1146
7DFN08L(2×2×0.75-P0.5)8L2×20.750.50.250.351.2×0.763×390.203YYTAPE
1600×1000
8DFN08L(2×3×0.75-P0.5)8L2×30.751.270.250.41.5×1.667×750.203YYTAPE
1700×1900
9DFN08L(3×3×0.75-P0.65)8L3×30.750.650.280.361.5×2.3107×830.203YYTAPE
2720×2100
10DFN08L(5×6×0.75-P1.27)C8L5×60.751.270.40.54×3.8181×1770.203YYTRAY
4600×4490
11DFN10L(1.8×2.1×0.5-P0.4)10L1.8×2.10.50.40.20.55无无0.127YYTRAY
12DFN10L(2.5×1.0×0.5-P0.5)10L2.5×1.00.50.50.20.4无22×310.127YYTAPE
550×80
13DFN10L(2×2×0.75-P0.4)10L2×20.750.40.20.31.5×0.969×410.203YYTRAY
1.76×1.05
14DFN10L(2×2.5×0.75-P0.4)10L2×2.50.750.40.20.41.6×1.11800×13400.203TAPE
15DFN10L(5×6×0.75-P1.0)10L5×60.7510.40.51.2/2×4
双基岛
60/103×1810.203YYTRAY
1735/2605×4600
16DFN12L(1.4×2.1×0.5-P0.35)12L1.4×2.10.50.350.150.55无无0.127TAPE
17DFN12L(2.4×1.5×0.5-P0.4)12L2.4×1.50.50.40.20.251.8×0.587×280.127YYTAPE
2220×710
18DFN12L(3.0×1.5×0.5-P0.45)12L3.0×1.50.50.450.20.22.8×0.7112×320.127YYTAPE
2850×810
19DFN12L(3.0×3.0×0.5-P0.5)12L3×30.50.50.20.452.55×1.6108×710.203TAPE
2750×1800
20DFN12L(3×3×0.75-P0.45)12L3×30.750.450.20.42.5×1.5571×1070.203YYTAPE
1800×2720
21DFN14L(1.4×2.5×0.5-P0.35)14L1.4×2.50.50.350.150.55无无0.127TAPE
22DFN16L(4×2×0.5-P0.45)16L4×20.50.450.250.251.19×1.0
1.94×1.0
85×47 55×470.127YYTAPE
2150×1200 1400×1200

Application Range

Security chips, automotive electronics, medical device electronics, digital video, RF, data acquisition, level converters, frequency converters, general MCU, automotive audio processors, power management chips, etc.

Security Chips

Chip solutions for encryption, authentication and secure storage

Automotive Electronics

Vehicle control systems and automotive electronic equipment

Medical Device Electronics

Electronic components in medical monitoring and diagnostic equipment

Digital Video

Video processing and transmission equipment

RF Applications

Wireless communication and RF signal processing

Power Management Chips

Power control and management solutions