LDO Voltage Regulators – Mouser Liechtenstein

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RP173x Series Low Dropout Regulators

Nisshinbo RP173x Series Low Dropout Regulators are CMOS-based LDOs featuring a 150mA output and a low supply current of 2.0µA. The RP173x LDOs integrates a voltage reference unit, an error amplifier, a resistor-net for voltage setting, a current limit circuit, a chip enable circuit and a reverse current protection circuit. The A version of the RP173x includes a CE (chip enable) input pin with reduced CE pull-up resistance to make its supply current ultra-low.

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Part #

LDO Voltage Regulators LDO Regulator w/Rev Current Protection

RP173K301D-TR
Nisshinbo
1: CHF 0.333
9’970In Stock

Mfr. Part No.
RP173K301D-TR

Mouser Part No
848-RP173K301D-TR

Nisshinbo

LDO Voltage Regulators LDO Regulator w/Rev Current Protection

Learn More

Datasheet

9’970In Stock

Cut Tape

CHF 0.333

CHF 0.231

CHF 0.206

CHF 0.178

View

Reel

CHF 0.136

MouseReel Available

Min.: 1
Mult.: 1

: 10’000

SMD/SMT

DFN-PLP-1010-4

3 V

150 mA

1 Output

Positive

2.5 V

11 V

30 dB

Fixed

- 40 C

+ 85 C

610 mV

RP173K

Reel, Cut Tape, MouseReel

LDO Voltage Regulators LDO Regulator w/Rev Current Protection

RP173N501D-TR-FE
Nisshinbo
1: CHF 0.341
1’494In Stock

Mfr. Part No.
RP173N501D-TR-FE

Mouser Part No
848-RP173N501DTRFE

Nisshinbo

LDO Voltage Regulators LDO Regulator w/Rev Current Protection

Learn More

Datasheet

1’494In Stock

Cut Tape

CHF 0.341

CHF 0.235

CHF 0.209

CHF 0.18

Reel

CHF 0.142

View

MouseReel Available

Min.: 1
Mult.: 1

: 3’000

SMD/SMT

SOT-23-5

5 V

150 mA

1 Output

Positive

2.5 V

11 V

30 dB

Fixed

- 40 C

+ 85 C

390 mV

RP173N

Reel, Cut Tape, MouseReel

LDO Voltage Regulators LDO Regulator w/Rev Current Protection

RP173N301D-TR-FE
Nisshinbo
1: CHF 0.341
2’302In Stock

Mfr. Part No.
RP173N301D-TR-FE

Mouser Part No
848-RP173N301DTRFE

Nisshinbo

LDO Voltage Regulators LDO Regulator w/Rev Current Protection

Learn More

Datasheet

2’302In Stock

Cut Tape

CHF 0.341

CHF 0.235

CHF 0.21

CHF 0.182

Reel

CHF 0.14

View

MouseReel Available

Min.: 1
Mult.: 1

: 3’000

SMD/SMT

SOT-23-5

3 V

150 mA

1 Output

Positive

2.5 V

11 V

30 dB

Fixed

- 40 C

+ 85 C

610 mV

RP173N

Reel, Cut Tape, MouseReel

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

RP173N481D-TR-FE
Nisshinbo
1: CHF 0.341
70In Stock

Mfr. Part No.
RP173N481D-TR-FE

Mouser Part No
848-RP173N481D-TR-FE

Nisshinbo

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

Learn More

Datasheet

70In Stock

Cut Tape

CHF 0.341

CHF 0.235

CHF 0.209

CHF 0.18

Reel

CHF 0.142

View

Min.: 1
Mult.: 1

: 3’000

SMD/SMT

SOT-23-5

4.8 V

150 mA

1 Output

Positive

2.5 V

11 V

Fixed

- 40 C

+ 85 C

390 mV

RP173N

Reel, Cut Tape

LDO Voltage Regulators LDO Regulator w/Rev Current Protection

RP173N501B-TR-FE
Nisshinbo
1: CHF 0.341
435In Stock

Mfr. Part No.
RP173N501B-TR-FE

Mouser Part No
848-RP173N501BTRFE

Nisshinbo

LDO Voltage Regulators LDO Regulator w/Rev Current Protection

Learn More

Datasheet

435In Stock

Cut Tape

CHF 0.341

CHF 0.235

CHF 0.209

CHF 0.18

Reel

CHF 0.142

View

MouseReel Available

Min.: 1
Mult.: 1

: 3’000

SMD/SMT

SOT-23-5

5 V

150 mA

1 Output

Positive

2.5 V

11 V

30 dB

Fixed

- 40 C

+ 85 C

390 mV

RP173N

Reel, Cut Tape, MouseReel

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

RP173N321B-TR-FE
Nisshinbo
1: CHF 0.341
69In Stock

Mfr. Part No.
RP173N321B-TR-FE

Mouser Part No
848-RP173N321B-TR-FE

Nisshinbo

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

Learn More

Datasheet

69In Stock

Cut Tape

CHF 0.341

CHF 0.235

CHF 0.209

CHF 0.18

Reel

CHF 0.142

View

MouseReel Available

Min.: 1
Mult.: 1

: 3’000

SMD/SMT

SOT-23-5

3.2 V

150 mA

1 Output

Positive

2.5 V

11 V

30 dB

Fixed

- 40 C

+ 85 C

610 mV

RP173N

Reel, Cut Tape, MouseReel

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

RP173K501B-TR
Nisshinbo
1: CHF 0.341
8’225In Stock

Mfr. Part No.
RP173K501B-TR

Mouser Part No
848-RP173K501B-TR

Nisshinbo

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

Learn More

Datasheet

8’225In Stock

Cut Tape

CHF 0.341

CHF 0.235

CHF 0.209

CHF 0.18

View

Reel

CHF 0.138

MouseReel Available

Min.: 1
Mult.: 1

: 10’000

SMD/SMT

DFN-PLP-1010-4

5 V

150 mA

1 Output

Positive

2.5 V

11 V

30 dB

Fixed

- 40 C

+ 85 C

390 mV

RP173K

Reel, Cut Tape, MouseReel

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

RP173K331A-TR
Nisshinbo
1: CHF 0.333
5’488In Stock

Mfr. Part No.
RP173K331A-TR

Mouser Part No
848-RP173K331A-TR

Nisshinbo

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

Learn More

Datasheet

5’488In Stock

Cut Tape

CHF 0.333

CHF 0.231

CHF 0.207

CHF 0.179

View

Reel

CHF 0.136

MouseReel Available

Min.: 1
Mult.: 1

: 10’000

SMD/SMT

DFN-PLP-1010-4

3.3 V

150 mA

1 Output

Positive

2.5 V

11 V

30 dB

Fixed

- 40 C

+ 85 C

610 mV

RP173K

Reel, Cut Tape, MouseReel

LDO Voltage Regulators LDO Regulator w/Rev Current Protection

RP173K331D-TR
Nisshinbo
1: CHF 0.333
1’876In Stock
10’000Expected 10/21/2026

Mfr. Part No.
RP173K331D-TR

Mouser Part No
848-RP173K331D-TR

Nisshinbo

LDO Voltage Regulators LDO Regulator w/Rev Current Protection

Learn More

Datasheet

1’876In Stock

10’000Expected 10/21/2026

Cut Tape

CHF 0.333

CHF 0.231

CHF 0.207

CHF 0.179

View

Reel

CHF 0.136

MouseReel Available

Min.: 1
Mult.: 1

: 10’000

SMD/SMT

DFN-PLP-1010-4

3.3 V

150 mA

1 Output

Positive

2.5 V

11 V

30 dB

Fixed

- 40 C

+ 85 C

610 mV

RP173K

Reel, Cut Tape, MouseReel

LDO Voltage Regulators LDO Regulator w/Rev Current Protection

RP173N301B-TR-FE
Nisshinbo
1: CHF 0.333
2’695In Stock

Mfr. Part No.
RP173N301B-TR-FE

Mouser Part No
848-RP173N301BTRFE

Nisshinbo

LDO Voltage Regulators LDO Regulator w/Rev Current Protection

Learn More

Datasheet

2’695In Stock

Cut Tape

CHF 0.333

CHF 0.231

CHF 0.207

CHF 0.179

Reel

CHF 0.142

View

MouseReel Available

Min.: 1
Mult.: 1

: 3’000

SMD/SMT

SOT-23-5

3 V

150 mA

1 Output

Positive

2.5 V

11 V

30 dB

Fixed

- 40 C

+ 85 C

610 mV

RP173N

Reel, Cut Tape, MouseReel

LDO Voltage Regulators LDO Regulator w/Rev Current Protection

RP173N331B-TR-FE
Nisshinbo
1: CHF 0.333
5’940In Stock
9’000Expected 8/5/2026

Mfr. Part No.
RP173N331B-TR-FE

Mouser Part No
848-RP173N331BTRFE

Nisshinbo

LDO Voltage Regulators LDO Regulator w/Rev Current Protection

Learn More

Datasheet

5’940In Stock

9’000Expected 8/5/2026

Cut Tape

CHF 0.333

CHF 0.231

CHF 0.207

CHF 0.179

Reel

CHF 0.142

View

MouseReel Available

Min.: 1
Mult.: 1

: 3’000

SMD/SMT

SOT-23-5

3.3 V

150 mA

1 Output

2.5 V

11 V

30 dB

Fixed

- 40 C

+ 85 C

610 mV

RP173N

Reel, Cut Tape, MouseReel

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

RP173N421B-TR-FE
Nisshinbo
1: CHF 0.333
2’175In Stock

Mfr. Part No.
RP173N421B-TR-FE

Mouser Part No
848-RP173N421B-TR-FE

Nisshinbo

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

Learn More

Datasheet

2’175In Stock

Cut Tape

CHF 0.333

CHF 0.231

CHF 0.207

CHF 0.179

Reel

CHF 0.14

View

MouseReel Available

Min.: 1
Mult.: 1

: 3’000

SMD/SMT

SOT-23-5

4.2 V

150 mA

1 Output

Positive

2.5 V

11 V

30 dB

Fixed

- 40 C

+ 85 C

390 mV

RP173N

Reel, Cut Tape, MouseReel

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

RP173K211B-TR
Nisshinbo
1: CHF 0.341
99In Stock

Mfr. Part No.
RP173K211B-TR

Mouser Part No
848-RP173K211B-TR

Nisshinbo

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

Learn More

Datasheet

99In Stock

Cut Tape

CHF 0.341

CHF 0.235

CHF 0.21

CHF 0.179

View

Reel

CHF 0.136

MouseReel Available

Min.: 1
Mult.: 1

: 10’000

SMD/SMT

DFN-PLP-1010-4

2.1 V

150 mA

1 Output

Positive

2.5 V

11 V

30 dB

Fixed

- 40 C

+ 85 C

1.16 V

RP173K

Reel, Cut Tape, MouseReel

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

RP173K311B-TR
Nisshinbo
1: CHF 0.341
99In Stock

Mfr. Part No.
RP173K311B-TR

Mouser Part No
848-RP173K311B-TR

Nisshinbo

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

Learn More

Datasheet

99In Stock

Cut Tape

CHF 0.341

CHF 0.235

CHF 0.209

CHF 0.18

View

Reel

CHF 0.144

MouseReel Available

Min.: 1
Mult.: 1

: 10’000

SMD/SMT

DFN-PLP-1010-4

3.1 V

150 mA

1 Output

Positive

2.5 V

11 V

30 dB

Fixed

- 40 C

+ 85 C

610 mV

RP173K

Reel, Cut Tape, MouseReel

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

RP173K401D-TR
Nisshinbo
1: CHF 0.349
85In Stock

Mfr. Part No.
RP173K401D-TR

Mouser Part No
848-RP173K401D-TR

Nisshinbo

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

Learn More

Datasheet

85In Stock

Cut Tape

CHF 0.349

CHF 0.242

CHF 0.215

CHF 0.185

View

Reel

CHF 0.136

MouseReel Available

Min.: 1
Mult.: 1

: 10’000

SMD/SMT

DFN-PLP-1010-4

4 V

150 mA

1 Output

Positive

2.5 V

11 V

30 dB

Fixed

- 40 C

+ 85 C

390 mV

RP173K

Reel, Cut Tape, MouseReel

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

RP173K481B-TR
Nisshinbo
1: CHF 0.341
49In Stock

Mfr. Part No.
RP173K481B-TR

Mouser Part No
848-RP173K481B-TR

Nisshinbo

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

Learn More

Datasheet

49In Stock

Cut Tape

CHF 0.341

CHF 0.235

CHF 0.209

CHF 0.18

View

Reel

CHF 0.144

MouseReel Available

Min.: 1
Mult.: 1

: 10’000

SMD/SMT

DFN-PLP-1010-4

4.8 V

150 mA

1 Output

Positive

2.5 V

11 V

30 dB

Fixed

- 40 C

+ 85 C

390 mV

RP173K

Reel, Cut Tape, MouseReel

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

RP173K251B-TR
Nisshinbo
1: CHF 0.333
10’000Expected 8/5/2026

Mfr. Part No.
RP173K251B-TR

Mouser Part No
848-RP173K251B-TR

Nisshinbo

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

Learn More

Datasheet

10’000Expected 8/5/2026

Cut Tape

CHF 0.333

CHF 0.231

CHF 0.207

CHF 0.179

View

Reel

CHF 0.136

MouseReel Available

Min.: 1
Mult.: 1

: 10’000

SMD/SMT

DFN-PLP-1010-4

2.5 V

150 mA

1 Output

2.5 V

9 V

30 dB

Fixed

- 40 C

+ 85 C

900 mV

RP173K

Reel, Cut Tape, MouseReel

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

RP173K121A-TR
Nisshinbo
10’000: CHF 0.145
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
RP173K121A-TR

Mouser Part No
848-RP173K121A-TR

Nisshinbo

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

CHF 0.145

Min.: 10’000
Mult.: 10’000

: 10’000

DFN(PLP)1010-4

RP173K

Reel

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

RP173K121B-TR
Nisshinbo
10’000: CHF 0.145
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
RP173K121B-TR

Mouser Part No
848-RP173K121B-TR

Nisshinbo

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

CHF 0.145

Min.: 10’000
Mult.: 10’000

: 10’000

SMD/SMT

DFN(PLP)1010-4

1.2 V

150 mA

1 Output

Positive

2.5 V

11 V

Fixed

- 40 C

+ 85 C

1.68 V

RP173K

Reel

LDO Voltage Regulators LDO Regulator w/Rev Current Protection

RP173K121D-TR
Nisshinbo
10’000: CHF 0.145
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
RP173K121D-TR

Mouser Part No
848-RP173K121D-TR

Nisshinbo

LDO Voltage Regulators LDO Regulator w/Rev Current Protection

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

CHF 0.145

Min.: 10’000
Mult.: 10’000

: 10’000

SMD/SMT

DFN-PLP-1010-4

1.2 V

150 mA

1 Output

2.5 V

11 V

30 dB

Fixed

- 40 C

+ 85 C

1.68 V

RP173K

Reel

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

RP173K171B5-TR
Nisshinbo
10’000: CHF 0.145
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
RP173K171B5-TR

Mouser Part No
848-RP173K171B5-TR

Nisshinbo

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

CHF 0.145

Min.: 10’000
Mult.: 10’000

: 10’000

DFN(PLP)1010-4

RP173K

Reel

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

RP173K171D5-TR
Nisshinbo
10’000: CHF 0.145
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
RP173K171D5-TR

Mouser Part No
848-RP173K171D5-TR

Nisshinbo

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

CHF 0.145

Min.: 10’000
Mult.: 10’000

: 10’000

SMD/SMT

DFN-PLP-1010-4

1.75 V

150 mA

1 Output

2.5 V

8.25 V

30 dB

Fixed

- 40 C

+ 85 C

1.48 V

RP173K

Reel

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

RP173K181B-TR
Nisshinbo
1: CHF 0.333
Lead-Time 12 Weeks

Mfr. Part No.
RP173K181B-TR

Mouser Part No
848-RP173K181B-TR

Nisshinbo

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

Learn More

Datasheet

Lead-Time 12 Weeks

Cut Tape

CHF 0.333

CHF 0.231

CHF 0.207

CHF 0.179

View

Reel

CHF 0.136

MouseReel Available

Min.: 1
Mult.: 1

: 10’000

SMD/SMT

DFN-PLP-1010-4

1.8 V

150 mA

1 Output

Positive

2.5 V

11 V

30 dB

Fixed

- 40 C

+ 85 C

1.16 V

RP173K

Reel, Cut Tape, MouseReel

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

RP173K181D-TR
Nisshinbo
10’000: CHF 0.145
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
RP173K181D-TR

Mouser Part No
848-RP173K181D-TR

Nisshinbo

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

CHF 0.145

Min.: 10’000
Mult.: 10’000

: 10’000

SMD/SMT

DFN-PLP-1010-4

1.8 V

150 mA

1 Output

Positive

2.5 V

11 V

30 dB

Fixed

- 40 C

+ 85 C

1.16 V

RP173K

Reel

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

RP173K201B-TR
Nisshinbo
10’000: CHF 0.145
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
RP173K201B-TR

Mouser Part No
848-RP173K201B-TR

Nisshinbo

LDO Voltage Regulators Low Supply Current 11V Input 150mA Voltage Regulator with Reverse Current Protection

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

CHF 0.145

Min.: 10’000
Mult.: 10’000

: 10’000

SMD/SMT

DFN-PLP-1010-4

2 V

150 mA

1 Output

2.5 V

8.5 V

30 dB

Fixed

- 40 C

+ 85 C

1.16 V

RP173K

Reel

RP173x Series Low Dropout Regulators

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