YES RF Power Field Effect Transistors (FET) 2,400+

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Part RoHS Manufacturer Polarity or Channel Type Configuration Surface Mount Maximum Power Dissipation (Abs) Package Body Material Transistor Application Minimum DS Breakdown Voltage Minimum Power Gain (Gp) Terminal Form Package Shape Operating Mode No. of Elements Highest Frequency Band Maximum Pulsed Drain Current (IDM) Maximum Drain Current (Abs) (ID) No. of Terminals Package Style (Meter) Sub-Category Field Effect Transistor Technology Maximum Power Dissipation Ambient Maximum Operating Temperature Transistor Element Material Minimum Operating Temperature Terminal Finish Maximum Drain-Source On Resistance Maximum Drain Current (ID) Terminal Position JESD-30 Code Moisture Sensitivity Level (MSL) Case Connection Qualification Additional Features JEDEC-95 Code JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Maximum Feedback Capacitance (Crss) Reference Standard

BLF571

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

110 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

VERY HIGH FREQUENCY BAND

2

FLANGE MOUNT

METAL-OXIDE SEMICONDUCTOR

225 Cel

SILICON

3.6 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

934064588118

NXP Semiconductors

N-CHANNEL

COMMON SOURCE, 2 ELEMENTS

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

2

S BAND

4

FLATPACK

METAL-OXIDE SEMICONDUCTOR

SILICON

37 A

DUAL

R-CDFP-F4

SOURCE

934056925112

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

75 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

L BAND

2

FLANGE MOUNT

METAL-OXIDE SEMICONDUCTOR

200 Cel

SILICON

DUAL

R-CDFM-F2

NOT APPLICABLE

SOURCE

Not Qualified

40

245

934060922118

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

L BAND

2

FLATPACK

METAL-OXIDE SEMICONDUCTOR

SILICON

18 A

DUAL

R-CDFP-F2

SOURCE

MRF7S19100NR1

NXP Semiconductors

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

L BAND

4

FLANGE MOUNT

METAL-OXIDE SEMICONDUCTOR

225 Cel

SILICON

MATTE TIN

DUAL

R-PDFM-F4

3

SOURCE

Not Qualified

TO-270

e3

BLF7G20LS-90P

NXP Semiconductors

N-CHANNEL

COMMON SOURCE, 2 ELEMENTS

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

2

L BAND

4

FLATPACK

METAL-OXIDE SEMICONDUCTOR

200 Cel

SILICON

18 A

DUAL

R-CDFP-F4

NOT APPLICABLE

SOURCE

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

BLA1011S-200R

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

75 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

L BAND

2

FLATPACK

METAL-OXIDE SEMICONDUCTOR

200 Cel

SILICON

DUAL

R-CDFP-F2

SOURCE

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

MRF7S27130HR3

NXP Semiconductors

N-CHANNEL

SINGLE

YES

UNSPECIFIED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

S BAND

2

FLANGE MOUNT

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

225 Cel

SILICON

DUAL

R-XDFM-F2

SOURCE

Not Qualified

40

260

BLF872

NXP Semiconductors

N-CHANNEL

COMMON SOURCE, 2 ELEMENTS

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

2

ULTRA HIGH FREQUENCY BAND

4

FLANGE MOUNT

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

200 Cel

SILICON

DUAL

R-CDFM-F4

SOURCE

Not Qualified

HIGH RELIABILITY

BLF7G15LS-200

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

L BAND

2

FLATPACK

METAL-OXIDE SEMICONDUCTOR

200 Cel

SILICON

56 A

DUAL

R-CDFP-F2

NOT APPLICABLE

SOURCE

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

934061525112

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

60 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

S BAND

2

FLANGE MOUNT

METAL-OXIDE SEMICONDUCTOR

SILICON

33 A

DUAL

R-CDFM-F2

SOURCE

MRF21010LR1

NXP Semiconductors

N-CHANNEL

SINGLE

YES

43.75 W

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

S BAND

2

FLANGE MOUNT

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

200 Cel

SILICON

DUAL

R-CDFM-F2

NOT APPLICABLE

SOURCE

Not Qualified

40

260

934060063112

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

60 V

NO LEAD

RECTANGULAR

ENHANCEMENT MODE

1

S BAND

2

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

SILICON

7.2 A

DUAL

R-CDSO-N2

SOURCE

934061037118

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

L BAND

2

FLATPACK

METAL-OXIDE SEMICONDUCTOR

SILICON

13 A

DUAL

R-CDFP-F2

SOURCE

A3T18H360W23SR6

NXP Semiconductors

N-CHANNEL

COMPLEX

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

16 dB

FLAT

RECTANGULAR

ENHANCEMENT MODE

2

L BAND

6

FLATPACK

METAL-OXIDE SEMICONDUCTOR

225 Cel

SILICON

-40 Cel

QUAD

R-CQFP-F6

40

260

934064588112

NXP Semiconductors

N-CHANNEL

COMMON SOURCE, 2 ELEMENTS

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

2

S BAND

4

FLATPACK

METAL-OXIDE SEMICONDUCTOR

SILICON

37 A

DUAL

R-CDFP-F4

SOURCE

934065231118

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

S BAND

2

FLANGE MOUNT

METAL-OXIDE SEMICONDUCTOR

SILICON

36 A

DUAL

R-CDFM-F2

SOURCE

BLF4G10-120

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

12 A

2

FLANGE MOUNT

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

12 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

934059725112

NXP Semiconductors

N-CHANNEL

COMMON SOURCE, 2 ELEMENTS

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

2

ULTRA HIGH FREQUENCY BAND

4

FLANGE MOUNT

METAL-OXIDE SEMICONDUCTOR

SILICON

DUAL

R-CDFM-F4

SOURCE

BLF4G20LS-110B,112

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

12 A

2

FLATPACK

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

12 A

DUAL

R-CDFP-F2

NOT APPLICABLE

SOURCE

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

934064686118

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

SQUARE

ENHANCEMENT MODE

1

S BAND

6

FLANGE MOUNT

METAL-OXIDE SEMICONDUCTOR

SILICON

QUAD

S-CQFM-F6

SOURCE

BLF4G20LS-130,112

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

L BAND

15 A

3

FLATPACK

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

15 A

DUAL

R-CDFP-F3

NOT APPLICABLE

SOURCE

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

934066857118

NXP Semiconductors

N-CHANNEL

COMMON SOURCE, 2 ELEMENTS

YES

CERAMIC, METAL-SEALED COFIRED

SWITCHING

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

2

L BAND

4

FLATPACK

METAL-OXIDE SEMICONDUCTOR

SILICON

DUAL

R-CDFP-F4

SOURCE

ESD PROTECTED, HIGH RELIABILITY

MRF7S18125AHSR3

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

L BAND

2

FLATPACK

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

225 Cel

SILICON

DUAL

R-CDFP-F2

SOURCE

Not Qualified

270

MRF9060LR1

NXP Semiconductors

N-CHANNEL

SINGLE

YES

UNSPECIFIED

AMPLIFIER

65 V

16 dB

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

2

FLANGE MOUNT

METAL-OXIDE SEMICONDUCTOR

200 Cel

SILICON

DUAL

R-XDFM-F2

SOURCE

2 pF

MRF7S15100HR3

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

L BAND

2

FLANGE MOUNT

METAL-OXIDE SEMICONDUCTOR

225 Cel

SILICON

DUAL

R-CDFM-F2

NOT APPLICABLE

SOURCE

Not Qualified

40

260

MRF9085LR3

NXP Semiconductors

N-CHANNEL

SINGLE

YES

250 W

UNSPECIFIED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

2

FLANGE MOUNT

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

200 Cel

SILICON

DUAL

R-XDFM-F2

SOURCE

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

MRF9060MBR1

NXP Semiconductors

N-CHANNEL

SINGLE

YES

223 W

PLASTIC/EPOXY

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

2

FLANGE MOUNT

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

Tin/Lead (Sn/Pb)

DUAL

R-PDFM-F2

3

SOURCE

Not Qualified

TO-272

e0

40

260

BLA0912-250,112

NXP Semiconductors

N-CHANNEL

SINGLE

YES

700 W

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

75 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

L BAND

2

FLANGE MOUNT

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

200 Cel

SILICON

DUAL

R-CDFM-F2

NOT APPLICABLE

SOURCE

Not Qualified

40

245

BLF8G10LS-300P

NXP Semiconductors

N-CHANNEL

COMMON SOURCE, 2 ELEMENTS

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

2

ULTRA HIGH FREQUENCY BAND

4

FLATPACK

METAL-OXIDE SEMICONDUCTOR

SILICON

DUAL

R-CDFP-F4

SOURCE

IEC-60134

MRF21125SR3

NXP Semiconductors

N-CHANNEL

SINGLE

YES

330 W

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

S BAND

2

FLATPACK

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

200 Cel

SILICON

DUAL

R-CDFP-F2

Not Qualified

40

260

BLS7G2729LS-350P

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

S BAND

4

FLATPACK

METAL-OXIDE SEMICONDUCTOR

SILICON

33 A

DUAL

R-CDFP-F4

NOT APPLICABLE

SOURCE

NOT SPECIFIED

NOT SPECIFIED

MRF5S9070NR1

NXP Semiconductors

N-CHANNEL

SINGLE

YES

224 W

PLASTIC/EPOXY

AMPLIFIER

68 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

2

FLANGE MOUNT

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

200 Cel

SILICON

Matte Tin (Sn)

DUAL

R-PDFM-F2

3

SOURCE

Not Qualified

TO-270AA

e3

40

260

934057140112

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

75 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

2

FLATPACK

METAL-OXIDE SEMICONDUCTOR

SILICON

DUAL

R-CDFP-F2

SOURCE

Not Qualified

BLF4G20S-110B

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

12 A

2

FLATPACK

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

12 A

DUAL

R-CDFP-F2

SOURCE

Not Qualified

934064579112

NXP Semiconductors

N-CHANNEL

COMMON SOURCE, 2 ELEMENTS

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

2

S BAND

4

FLANGE MOUNT

METAL-OXIDE SEMICONDUCTOR

SILICON

37 A

DUAL

R-CDFM-F4

SOURCE

MRF7S19170HR3

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

L BAND

2

FLANGE MOUNT

FET General Purpose Powers

METAL-OXIDE SEMICONDUCTOR

225 Cel

SILICON

DUAL

R-CDFM-F2

SOURCE

Not Qualified

40

260

934064457112

NXP Semiconductors

N-CHANNEL

COMMON SOURCE, 2 ELEMENTS

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

2

L BAND

4

FLATPACK

METAL-OXIDE SEMICONDUCTOR

SILICON

DUAL

R-CDFP-F4

SOURCE

MRF21090SR3

NXP Semiconductors

N-CHANNEL

SINGLE

YES

270 W

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

S BAND

2

FLATPACK

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

200 Cel

SILICON

DUAL

R-CDFP-F2

SOURCE

Not Qualified

HIGH EFFICIENCY

40

260

MRF7S38010HSR3

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

13 dB

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

S BAND

2

FLATPACK

METAL-OXIDE SEMICONDUCTOR

225 Cel

SILICON

DUAL

R-CDFP-F2

SOURCE

.13 pF

BLC6G20LS-140

NXP Semiconductors

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

L BAND

2

FLANGE MOUNT

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

225 Cel

SILICON

TIN

DUAL

R-PDFM-F2

SOURCE

Not Qualified

HIGH EFFICIENCY

e3

BLF888B

NXP Semiconductors

N-CHANNEL

COMMON SOURCE, 2 ELEMENTS

YES

CERAMIC, METAL-SEALED COFIRED

SWITCHING

104 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

2

ULTRA HIGH FREQUENCY BAND

4

FLANGE MOUNT

METAL-OXIDE SEMICONDUCTOR

SILICON

DUAL

R-CDFM-F4

NOT APPLICABLE

SOURCE

NOT SPECIFIED

NOT SPECIFIED

BLF4G20LS-110B

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

12 A

2

FLATPACK

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

12 A

DUAL

R-CDFP-F2

SOURCE

Not Qualified

BLS7G2729L-350P

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

S BAND

4

FLANGE MOUNT

METAL-OXIDE SEMICONDUCTOR

SILICON

33 A

DUAL

R-CDFM-F4

NOT APPLICABLE

SOURCE

NOT SPECIFIED

NOT SPECIFIED

934060888112

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

2

FLANGE MOUNT

METAL-OXIDE SEMICONDUCTOR

SILICON

13 A

DUAL

R-CDFM-F2

SOURCE

934063155112

NXP Semiconductors

N-CHANNEL

COMMON SOURCE, 2 ELEMENTS

YES

CERAMIC, METAL-SEALED COFIRED

110 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

2

ULTRA HIGH FREQUENCY BAND

4

FLANGE MOUNT

METAL-OXIDE SEMICONDUCTOR

SILICON

DUAL

R-CDFM-F4

SOURCE

BLF546,112

NXP Semiconductors

N-CHANNEL

COMMON SOURCE, 2 ELEMENTS

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

11 dB

FLAT

RECTANGULAR

ENHANCEMENT MODE

2

ULTRA HIGH FREQUENCY BAND

9 A

4

FLANGE MOUNT

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

145 W

200 Cel

SILICON

.6 ohm

9 A

DUAL

R-CDFM-F4

SOURCE

Not Qualified

HIGH RELIABILITY

NOT SPECIFIED

NOT SPECIFIED

934064591118

NXP Semiconductors

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

65 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

S BAND

2

FLANGE MOUNT

METAL-OXIDE SEMICONDUCTOR

SILICON

28 A

DUAL

R-CDFM-F2

SOURCE

RF Power Field Effect Transistors (FET)

RF Power Field Effect Transistors (FET) are electronic devices used in high-frequency RF (radio frequency) applications to amplify and control high-power signals. They are commonly used in applications such as broadcasting, radar, and satellite communications.

RF Power FETs are designed to handle high-power levels and operate at high frequencies, typically in the range of a few MHz to several GHz. They have a low on-resistance and high gain, making them suitable for high-power amplification.

The RF Power FET consists of a gate, source, and drain electrode, and works by controlling the flow of majority charge carriers (electrons or holes) between the source and drain regions through the gate electrode. When a voltage is applied to the gate electrode, it creates an electric field that modifies the conductivity of the channel, allowing current to flow between the source and drain.

RF Power FETs are available in various types and configurations, including N-channel and P-channel FETs, and can handle power levels ranging from a few watts to several kilowatts. They are subject to various standards and regulations, such as JEDEC (Joint Electron Device Engineering Council) and RoHS (Restriction of Hazardous Substances), to ensure their safety and performance.