FREQUENCY COUNTER IC CHIP

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Mft.Part#

Specification

Price(USD)

UCC28C42DG4

Texas Instruments

Packaging: Tube
Part Status: Active
Output Isolation: Isolated
Internal Switch(s): No
Topology: Forward

450: $0.7711

UCC28C42DG4 Datasheet

In Stock: 1000

RFQ

UCC2809PTR-2

Texas Instruments

Packaging: Tape & Reel (TR)
Part Status: Active
Output Isolation: Isolated
Internal Switch(s): No
Topology: Boost, Flyback, Forward

2500: $0.808

UCC2809PTR-2 Datasheet

In Stock: 1000

RFQ

ISL8842AABZ-T

Intersil

Packaging: Tape & Reel (TR)
Part Status: Active
Output Isolation: Non-Isolated
Internal Switch(s): No
Topology: Boost, Flyback

2500: $0.8882

ISL8842AABZ-T Datasheet

In Stock: 1000

RFQ

LT1244CN8#PBF

Linear Technology/Analog Devices

Packaging: Tube
Part Status: Active
Output Isolation: Isolated
Internal Switch(s): No
Topology: Buck

400: $1.3495

LT1244CN8#PBF Datasheet

In Stock: 1000

RFQ

MIC38C44-1YN

Microchip Technology

Packaging: Tube
Part Status: Active
Output Isolation: Isolated
Internal Switch(s): Yes
Topology: Boost, Buck, Flyback, Forward

275: $1.2459

MIC38C44-1YN Datasheet

In Stock: 1000

RFQ

LT1242IN8#PBF

Linear Technology/Analog Devices

Packaging: Tube
Part Status: Active
Output Isolation: Isolated
Internal Switch(s): No
Topology: Buck

350: $1.478

LT1242IN8#PBF Datasheet

In Stock: 1000

RFQ

UCC3802DG4

Texas Instruments

Packaging: Tube
Part Status: Active
Internal Switch(s): No
Topology: Boost, Buck, Flyback, Forward
Voltage - Start Up: 12.5V

225: $1.6855

UCC3802DG4 Datasheet

In Stock: 1000

RFQ

NCP1212P

ON Semiconductor

Packaging: Tube
Part Status: Obsolete
Output Isolation: Isolated
Internal Switch(s): No
Topology: Flyback, Forward

1: $0

NCP1212P Datasheet

In Stock: 1000

RFQ

LX1552IDM

Microsemi Corporation

Packaging: Tube
Part Status: Obsolete
Output Isolation: Isolated
Internal Switch(s): No
Topology: Boost, Buck, Flyback, Forward

1: $0

LX1552IDM Datasheet

In Stock: 1000

RFQ

TOP250F

Power Integrations

Series: TOPSwitch-GX
Packaging: Tube
Part Status: Obsolete
Output Isolation: Isolated
Internal Switch(s): Yes

1: $0

TOP250F Datasheet

In Stock: 1000

RFQ

MIC38C42-1BN

Microchip Technology

Packaging: Tube
Part Status: Obsolete
Output Isolation: Isolated
Internal Switch(s): Yes
Topology: Boost, Buck, Flyback, Forward

1: $0

MIC38C42-1BN Datasheet

In Stock: 1000

RFQ

MAX5068DAUE+

Maxim Integrated

Packaging: Tube
Part Status: Active
Output Isolation: Either
Internal Switch(s): No
Topology: Flyback

1: $0

MAX5068DAUE+ Datasheet

In Stock: 1000

RFQ

TOP268KG

Power Integrations

Series: TOPSwitch-JX
Packaging: Tube
Part Status: Active
Output Isolation: Isolated
Internal Switch(s): Yes

1: $2.0286
10: $1.8138
25: $1.6322
100: $1.4871
250: $1.342
500: $1.2041
1000: $1.0155
2500: $0.9648
5000: $0.9285

TOP268KG Datasheet

In Stock: 6512

RFQ

FSFR1800HS

ON Semiconductor

Series: FSFR-HS
Packaging: Tube
Part Status: Active
Output Isolation: Isolated
Internal Switch(s): Yes

1: $1.953
10: $1.7527
100: $1.4359
500: $1.2223
1000: $1.0309

FSFR1800HS Datasheet

In Stock: 331

RFQ

TOP233GN-TL

Power Integrations

Series: TOPSwitch-FX
Packaging: Tape & Reel (TR)
Part Status: Not For New Designs
Output Isolation: Isolated
Internal Switch(s): Yes

1000: $1.0066

TOP233GN-TL Datasheet

In Stock: 1000

RFQ

SG3844M

Microsemi Corporation

Packaging: Tube
Part Status: Active
Output Isolation: Isolated
Internal Switch(s): No
Voltage - Start Up: 16V

1: $1.2411
10: $1.122
25: $1.0017
100: $0.9015
250: $0.8014
500: $0.7012

SG3844M Datasheet

In Stock: 637

RFQ

UCC3809P-2

Texas Instruments

Packaging: Tube
Part Status: Active
Output Isolation: Isolated
Internal Switch(s): No
Topology: Boost, Buck, Flyback, Forward

1: $1.7325
10: $1.5548
100: $1.274
500: $1.0845
1000: $0.9146

UCC3809P-2 Datasheet

In Stock: 231

RFQ

UCC3960P

Texas Instruments

Packaging: Tube
Part Status: Active
Output Isolation: Isolated
Internal Switch(s): No
Voltage - Start Up: 10V

1: $2.3184
10: $2.0796
100: $1.704
500: $1.4505
1000: $1.2233

UCC3960P Datasheet

In Stock: 107

RFQ

VIPER100

STMicroelectronics

Series: VIPER
Packaging: Tube
Part Status: Obsolete
Output Isolation: Isolated
Internal Switch(s): Yes

1: $2.6712
10: $2.399

VIPER100 Datasheet

In Stock: 14

RFQ

TEA1520P/N2,112

NXP USA Inc

Series: STARplug
Packaging: Tube
Part Status: Obsolete
Output Isolation: Isolated
Internal Switch(s): Yes

1: $0

TEA1520P/N2,112 Datasheet

In Stock: 1000

RFQ

LM5021NA-2/NOPB

Texas Instruments

Packaging: Tube
Part Status: Obsolete
Output Isolation: Isolated
Internal Switch(s): No
Topology: Flyback, Forward

1: $0

LM5021NA-2/NOPB Datasheet

In Stock: 1000

RFQ

MC33363APG

ON Semiconductor

Packaging: Tube
Part Status: Obsolete
Output Isolation: Isolated
Internal Switch(s): Yes
Voltage - Breakdown: 700V

1: $0

MC33363APG Datasheet

In Stock: 1000

RFQ

TOP242G-TL

Power Integrations

Series: TOPSwitch-GX
Packaging: Tape & Reel (TR)
Part Status: Obsolete
Output Isolation: Isolated
Internal Switch(s): Yes

1: $0

TOP242G-TL Datasheet

In Stock: 1000

RFQ

TOP242Y

Power Integrations

Series: TOPSwitch-GX
Packaging: Tube
Part Status: Obsolete
Output Isolation: Isolated
Internal Switch(s): Yes

1: $0

TOP242Y Datasheet

In Stock: 1000

RFQ

TOP243Y

Power Integrations

Series: TOPSwitch-GX
Packaging: Tube
Part Status: Obsolete
Output Isolation: Isolated
Internal Switch(s): Yes

1: $0

TOP243Y Datasheet

In Stock: 1000

RFQ

MIC3838BMM-TR

Microchip Technology

Packaging: Tape & Reel (TR)
Part Status: Discontinued at Digi-Key
Output Isolation: Isolated
Internal Switch(s): No
Topology: Push-Pull

1: $0

MIC3838BMM-TR Datasheet

In Stock: 1000

RFQ

MIC38C44ABMM

Microchip Technology

Packaging: Tube
Part Status: Discontinued at Digi-Key
Output Isolation: Isolated
Internal Switch(s): Yes
Topology: Boost, Buck, Flyback, Forward

1: $0

MIC38C44ABMM Datasheet

In Stock: 1000

RFQ

LM5021MM-1/NOPB

Texas Instruments

Packaging: Tape & Reel (TR)
Part Status: Active
Output Isolation: Isolated
Internal Switch(s): No
Topology: Flyback, Forward

1000: $0.4568
2000: $0.4253
5000: $0.4095

LM5021MM-1/NOPB Datasheet

In Stock: 1000

RFQ

LM5046SQ/NOPB

Texas Instruments

Packaging: Tape & Reel (TR)
Part Status: Active
Output Isolation: Isolated
Internal Switch(s): No
Topology: Full-Bridge

1000: $1.7464
2000: $1.659

LM5046SQ/NOPB Datasheet

In Stock: 0

RFQ

UCC3895DWTR

Texas Instruments

Packaging: Tape & Reel (TR)
Part Status: Active
Output Isolation: Isolated
Internal Switch(s): No
Topology: Full-Bridge

2000: $2.4169

UCC3895DWTR Datasheet

In Stock: 1000

RFQ

TOP265KG-TL

Power Integrations

Series: TOPSwitch-JX
Packaging: Tape & Reel (TR)
Part Status: Active
Output Isolation: Isolated
Internal Switch(s): Yes

1000: $0.7289
2000: $0.6786
5000: $0.6535
10000: $0.6283

TOP265KG-TL Datasheet

In Stock: 1000

RFQ

UCC3813DTR-2

Texas Instruments

Packaging: Tape & Reel (TR)
Part Status: Active
Output Isolation: Either
Internal Switch(s): No
Topology: Boost, Buck, Flyback, Forward

2500: $0.8387

UCC3813DTR-2 Datasheet

In Stock: 1000

RFQ

MAX5975AETE+T

Maxim Integrated

Packaging: Tape & Reel (TR)
Part Status: Active
Output Isolation: Either
Internal Switch(s): No
Topology: Flyback, Forward

2500: $0.9722

MAX5975AETE+T Datasheet

In Stock: 1000

RFQ

LT1244CS8#TRPBF

Linear Technology/Analog Devices

Packaging: Tape & Reel (TR)
Part Status: Active
Output Isolation: Isolated
Internal Switch(s): No
Topology: Buck

2500: $1.5422

LT1244CS8#TRPBF Datasheet

In Stock: 1000

RFQ

UCC3804DG4

Texas Instruments

Packaging: Tube
Part Status: Active
Internal Switch(s): No
Topology: Boost, Buck, Flyback, Forward
Voltage - Start Up: 12.5V

225: $1.6855

UCC3804DG4 Datasheet

In Stock: 1000

RFQ

UCC2802DG4

Texas Instruments

Packaging: Tube
Part Status: Active
Internal Switch(s): No
Topology: Boost, Flyback, Forward
Voltage - Start Up: 12.5V

225: $1.7555

UCC2802DG4 Datasheet

In Stock: 1000

RFQ

TOP248R-TL

Power Integrations

Series: TOPSwitch-GX
Packaging: Tape & Reel (TR)
Part Status: Active
Output Isolation: Isolated
Internal Switch(s): Yes

750: $1.7562

TOP248R-TL Datasheet

In Stock: 1000

RFQ

VIPER50A-22-E

STMicroelectronics

Series: VIPER
Packaging: Tube
Part Status: Obsolete
Output Isolation: Isolated
Internal Switch(s): Yes

1: $2.5767
10: $2.3153

VIPER50A-22-E Datasheet

In Stock: 12

RFQ

UC2851NG4

Texas Instruments

Packaging: Tube
Part Status: Active
Internal Switch(s): No
Topology: Boost, Buck, Flyback, Forward
Voltage - Start Up: 8V

40: $12.6668

UC2851NG4 Datasheet

In Stock: 1000

RFQ

TOP245P

Power Integrations

Series: TOPSwitch-GX
Packaging: Tube
Part Status: Obsolete
Output Isolation: Isolated
Internal Switch(s): Yes

1: $0

TOP245P Datasheet

In Stock: 1000

RFQ

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