DUAL Diodes & Rectifiers 2,400+

Reset All
Part RoHS Manufacturer Diode Type Terminal Position Terminal Form No. of Terminals Surface Mount Package Shape Minimum Quality Factor Package Body Material Working Test Current Config Frequency Band Nominal Reference Voltage Maximum Output Current Maximum Forward Voltage (VF) Maximum Diode Capacitance Nominal Breakdown Voltage Maximum Reverse Recovery Time Technology Maximum Reverse Current No. of Elements Reverse Test Voltage Nominal Regulation Current (Ireg) Package Style (Meter) Sub-Category Maximum Voltage Tolerance Maximum Repetitive Peak Reverse Voltage Maximum Operating Temperature Application Maximum Dynamic Impedance Maximum Limiting Voltage Minimum Operating Temperature Terminal Finish JESD-30 Code Moisture Sensitivity Level (MSL) Polarity Case Connection Qualification Maximum Power Dissipation Nominal Diode Capacitance Additional Features No. of Phases JEDEC-95 Code Diode Cap Tolerance Maximum Clamping Voltage Minimum Breakdown Voltage Maximum Non Repetitive Peak Forward Current JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Diode Element Material Minimum Diode Capacitance Ratio Reference Standard

1N4148W-TP-HF

Micro Commercial Components

RECTIFIER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.15 A

.004 us

1

SMALL OUTLINE

100 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-G2

1

.4 W

1

2 A

e3

10

260

SILICON

MBRS130LTR

Vishay Intertechnology

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1 A

.3 V

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

30 V

125 Cel

-55 Cel

TIN LEAD

R-PDSO-C2

Not Qualified

FREE WHEELING DIODE, HIGH RELIABILITY

1

DO-214AA

40 A

e0

SILICON

BAT54WS-E3-08

Vishay Intertechnology

RECTIFIER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.2 A

.24 V

.005 us

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

30 V

125 Cel

MATTE TIN

R-PDSO-G2

1

.15 W

1

.6 A

e3

30

260

SILICON

VS-30BQ100-M3/9AT

Vishay Intertechnology

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

4 A

.9 V

SCHOTTKY

500 uA

1

100 V

SMALL OUTLINE

Rectifier Diodes

100 V

175 Cel

GENERAL PURPOSE

-55 Cel

MATTE TIN

R-PDSO-C2

1

FREE WHEELING DIODE

1

DO-214AB

70 A

e3

30

260

SILICON

SS26HE3_A/I

Vishay Intertechnology

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

2 A

.7 V

SCHOTTKY

400 uA

1

SMALL OUTLINE

60 V

150 Cel

EFFICIENCY

-65 Cel

MATTE TIN

R-PDSO-C2

1

FREE WHEELING DIODE, LOW POWER LOSS

1

DO-214AA

75 A

e3

30

260

SILICON

AEC-Q101

BAS40-04W,115

NXP Semiconductors

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

.12 A

1 V

SCHOTTKY

2

SMALL OUTLINE

Rectifier Diodes

40 V

150 Cel

TIN

R-PDSO-G3

1

Not Qualified

.2 A

e3

30

260

SILICON

BAT54SFILM

STMicroelectronics

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

.3 A

.9 V

.005 us

SCHOTTKY

2

SMALL OUTLINE

Rectifier Diodes

40 V

150 Cel

-40 Cel

MATTE TIN

R-PDSO-G3

1

Not Qualified

.25 W

1 A

e3

30

260

SILICON

NSR0240HT1G

Onsemi

RECTIFIER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.25 A

.71 V

.003 us

SCHOTTKY

10 uA

1

40 V

SMALL OUTLINE

Rectifier Diodes

40 V

150 Cel

EFFICIENCY

-55 Cel

MATTE TIN

R-PDSO-G2

1

Not Qualified

.16 W

LOW LEAKAGE CURRENT

1

1 A

e3

30

260

SILICON

BAW56-7-F

Diodes Incorporated

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON ANODE, 2 ELEMENTS

.3 A

.715 V

.004 us

2

SMALL OUTLINE

Rectifier Diodes

75 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-G3

1

Not Qualified

.35 W

HIGH RELIABILITY

2 A

e3

30

260

SILICON

SMMSD914T1G

Onsemi

RECTIFIER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.2 A

1 V

.004 us

1

SMALL OUTLINE

Rectifier Diodes

100 V

150 Cel

-55 Cel

MATTE TIN

R-PDSO-G2

1

.425 W

1

2 A

e3

30

260

SILICON

AEC-Q101

B340LA-13-F

Diodes Incorporated

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

3 A

.35 V

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

40 V

EFFICIENCY

-55 Cel

MATTE TIN

R-PDSO-C2

1

Not Qualified

LOW POWER LOSS

1

DO-214AC

70 A

e3

30

260

SILICON

LBAV99WT1G

Leshan Radio

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

.215 A

.715 V

.006 us

2

SMALL OUTLINE

Rectifier Diodes

70 V

150 Cel

-65 Cel

R-PDSO-G3

.2 W

.5 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

STPS3150UY

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.89 V

SCHOTTKY

2 uA

1

SMALL OUTLINE

150 V

175 Cel

EFFICIENCY

-40 Cel

R-PDSO-C2

1

80 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

AEC-Q101

MURS320T3

Microchip Technology

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

3 A

.03 us

1

SMALL OUTLINE

200 V

175 Cel

ULTRA FAST RECOVERY

-55 Cel

R-PDSO-C2

Not Qualified

1

DO-214AB

100 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

GF1M-E3/67A

Vishay Intertechnology

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1 A

1.2 V

2 us

5 uA

1

1000 V

SMALL OUTLINE

Rectifier Diodes

1000 V

175 Cel

GENERAL PURPOSE

-65 Cel

Matte Tin (Sn)

R-PDSO-C2

1

Not Qualified

FREE WHEELING DIODE, HIGH RELIABILITY, LOW LEAKAGE CURRENT

1

DO-214BA

1000 V

30 A

e3

30

250

SILICON

AEC-Q101

MMBD4148SE-TP

Micro Commercial Components

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

.2 A

1 V

.004 us

.025 uA

2

SMALL OUTLINE

100 V

150 Cel

-55 Cel

MATTE TIN

R-PDSO-G3

1

Not Qualified

.35 W

1

2 A

e3

10

260

SILICON

NRVS1MFL

Onsemi

RECTIFIER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1 A

1.1 V

2 us

1 uA

1

1000 V

SMALL OUTLINE

1000 V

150 Cel

GENERAL PURPOSE

-55 Cel

MATTE TIN

R-PDSO-F2

1

1

30 A

e3

30

260

SILICON

AEC-Q101

S1GR2

Taiwan Semiconductor

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1 A

1.1 V

1.5 us

1

SMALL OUTLINE

Rectifier Diodes

400 V

175 Cel

-55 Cel

MATTE TIN

R-PDSO-C2

1

1

DO-214AC

40 A

e3

SILICON

AEC-Q101

STTH1R06U

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1 A

1.25 V

.025 us

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

600 V

175 Cel

Matte Tin (Sn) - annealed

R-PDSO-C2

1

Not Qualified

FREE WHEELING DIODE

1

20 A

e3

30

260

SILICON

RS1MWF-7

Diodes Incorporated

RECTIFIER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1 A

.5 us

1

SMALL OUTLINE

1000 V

150 Cel

-55 Cel

MATTE TIN

R-PDSO-F2

1

1

e3

260

SILICON

SS16-TP

Micro Commercial Components

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1 A

.7 V

SCHOTTKY

500 uA

1

SMALL OUTLINE

60 V

MATTE TIN

R-PDSO-C2

1

Not Qualified

1

DO-214AC

30 A

e3

10

260

SILICON

BAS40-04-E3-08

Vishay Intertechnology

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

.2 A

.38 V

.005 us

SCHOTTKY

2

SMALL OUTLINE

Rectifier Diodes

40 V

125 Cel

MATTE TIN

R-PDSO-G3

1

UNSPECIFIED

.2 W

1

.6 A

e3

10

260

SILICON

PMEG3020EJ,115

NXP Semiconductors

RECTIFIER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

2 A

.16 V

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

30 V

150 Cel

EFFICIENCY

TIN

R-PDSO-F2

1

Not Qualified

.36 W

1

9 A

e3

30

260

SILICON

BAS21,235

NXP Semiconductors

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.2 A

1.25 V

.05 us

.1 uA

1

SMALL OUTLINE

Rectifier Diodes

250 V

150 Cel

TIN

R-PDSO-G3

1

Not Qualified

.25 W

1

TO-236AB

2.5 A

e3

30

260

SILICON

BAS40-05-7-F

Diodes Incorporated

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON CATHODE, 2 ELEMENTS

.2 A

.38 V

.005 us

SCHOTTKY

2

SMALL OUTLINE

Rectifier Diodes

40 V

-55 Cel

MATTE TIN

R-PDSO-G3

1

Not Qualified

.35 W

HIGH RELIABILITY

.6 A

e3

30

260

SILICON

STPS1H100AY

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1 A

.86 V

SCHOTTKY

4 uA

1

SMALL OUTLINE

Rectifier Diodes

100 V

175 Cel

HIGH VOLTAGE POWER

-40 Cel

Matte Tin (Sn) - annealed

R-PDSO-C2

1

LOW LEAKAGE CURRENT

1

DO-214AC

50 A

e3

30

260

SILICON

AEC-Q101

PMEG2010ER,115

NXP Semiconductors

RECTIFIER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1 A

.34 V

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

20 V

150 Cel

-55 Cel

TIN

R-PDSO-F2

1

.57 W

1

50 A

e3

30

260

SILICON

AEC-Q101; IEC-60134

BAV199E6433HTMA1

Infineon Technologies

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

.2 A

3 us

2

SMALL OUTLINE

80 V

150 Cel

TIN

R-PDSO-G3

1

Not Qualified

.33 W

e3

260

SILICON

BAV99W-QF

Nexperia

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

.15 A

1.25 V

.004 us

.5 uA

2

80 V

SMALL OUTLINE

100 V

150 Cel

GENERAL PURPOSE

-65 Cel

TIN

R-PDSO-G3

1

.2 W

LOW LEAKAGE CURRENT

1

4 A

e3

30

260

SILICON

AEC-Q101

ZHCS400TA

Diodes Incorporated

RECTIFIER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.4 A

.3 V

.01 us

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

40 V

150 Cel

MATTE TIN

R-PDSO-G2

1

Not Qualified

.25 W

1

3 A

e3

30

260

SILICON

AEC-Q101

BAT54A,235

NXP Semiconductors

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON ANODE, 2 ELEMENTS

.2 A

1 V

.005 us

SCHOTTKY

2 uA

2

SMALL OUTLINE

Rectifier Diodes

30 V

125 Cel

TIN

R-PDSO-G3

1

Not Qualified

.23 W

TO-236AB

.6 A

e3

30

260

SILICON

NRVBSS26NT3G

Onsemi

RECTIFIER DIODE

DUAL

J BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

2 A

.63 V

SCHOTTKY

200 uA

1

60 V

SMALL OUTLINE

60 V

150 Cel

POWER

-55 Cel

MATTE TIN

R-PDSO-J2

1

FREE WHEELING DIODE

1

40 A

e3

30

260

SILICON

AEC-Q101

LBAV70LT1G

Leshan Radio

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON CATHODE, 2 ELEMENTS

.1 A

.715 V

.006 us

2

SMALL OUTLINE

Rectifier Diodes

70 V

150 Cel

-55 Cel

R-PDSO-G3

.225 W

.5 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

BAV199,235

NXP Semiconductors

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

.16 A

.9 V

3 us

2

SMALL OUTLINE

Rectifier Diodes

85 V

150 Cel

TIN

R-PDSO-G3

1

Not Qualified

.25 W

TO-236AB

1 A

e3

30

260

SILICON

ES3DB-13-F

Diodes Incorporated

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

3 A

.9 V

.025 us

1

SMALL OUTLINE

Rectifier Diodes

200 V

150 Cel

EFFICIENCY

-55 Cel

MATTE TIN

R-PDSO-C2

1

Not Qualified

1

100 A

e3

30

260

SILICON

S3M+

Spc Technology/ Multicomp

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

3 A

1.1 V

5 uA

1

SMALL OUTLINE

1000 V

150 Cel

GENERAL PURPOSE

-55 Cel

R-PDSO-C2

1

100 A

SILICON

S3M

Vishay Intertechnology

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

3 A

1.15 V

1

SMALL OUTLINE

Rectifier Diodes

1000 V

150 Cel

GENERAL PURPOSE

-65 Cel

TIN LEAD

R-PDSO-C2

Not Qualified

1

100 A

e0

SILICON

BAS316-QZ

Nexperia

RECTIFIER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.25 A

1.25 V

.004 us

50 uA

1

80 V

SMALL OUTLINE

100 V

150 Cel

GENERAL PURPOSE

-65 Cel

TIN

R-PDSO-G2

1

.4 W

LOW LEAKAGE CURRENT

1

.5 A

e3

30

260

SILICON

AEC-Q101; IEC-60134

LRB751V-40T1G

Leshan Radio

RECTIFIER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.03 A

.37 V

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

40 V

125 Cel

R-PDSO-G2

.2 W

HIGH RELIABILITY

1

.2 A

NOT SPECIFIED

NOT SPECIFIED

SILICON

RS1J-E3/61T

Vishay Intertechnology

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1 A

1.3 V

.25 us

1

SMALL OUTLINE

Rectifier Diodes

600 V

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-C2

1

Not Qualified

HIGH RELIABILITY

1

DO-214AC

30 A

e3

30

260

SILICON

BAT54AFILM

STMicroelectronics

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON ANODE, 2 ELEMENTS

.3 A

.9 V

.005 us

SCHOTTKY

2

SMALL OUTLINE

Rectifier Diodes

40 V

150 Cel

-40 Cel

MATTE TIN

R-PDSO-G3

1

Not Qualified

.25 W

1 A

e3

30

260

SILICON

STTH112U

STMicroelectronics

RECTIFIER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1 A

1.65 V

.075 us

1

SMALL OUTLINE

Rectifier Diodes

1200 V

175 Cel

MATTE TIN

R-PDSO-C2

1

Not Qualified

FREE WHEELING DIODE, HIGH RELIABILITY, SNUBBER DIODE

1

18 A

e3

30

260

SILICON

BAT46WJF

Nexperia

RECTIFIER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.25 A

.85 V

.0059 us

SCHOTTKY

120 uA

1

100 V

SMALL OUTLINE

100 V

150 Cel

GENERAL PURPOSE

-55 Cel

TIN

R-PDSO-F2

1

.4 W

1

2.5 A

e3

30

260

SILICON

IEC-60134

MMBD1503AD87Z

National Semiconductor

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

.2 A

1.15 V

.05 us

.01 uA

2

SMALL OUTLINE

150 Cel

R-PDSO-G3

Not Qualified

.35 W

TO-236AB

2 A

SILICON

MMBD1503A-D87Z

Onsemi

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

.2 A

1.15 V

2

SMALL OUTLINE

Rectifier Diodes

200 V

150 Cel

MATTE TIN

R-PDSO-G3

1

Not Qualified

.35 W

2 A

e3

30

260

SILICON

MMBD1503A_D87Z

Fairchild Semiconductor

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SERIES CONNECTED, CENTER TAP, 2 ELEMENTS

.2 A

1.15 V

2

SMALL OUTLINE

Rectifier Diodes

200 V

150 Cel

MATTE TIN

R-PDSO-G3

1

Not Qualified

.35 W

2 A

e3

30

260

SILICON

MMBD4148CA

Onsemi

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON ANODE, 2 ELEMENTS

.2 A

1 V

.004 us

2

SMALL OUTLINE

Rectifier Diodes

100 V

150 Cel

MATTE TIN

R-PDSO-G3

1

Not Qualified

.35 W

ULTRA FAST

1

2 A

e3

30

260

SILICON

BAT54

Vishay Intertechnology

RECTIFIER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

.2 A

1 V

SCHOTTKY

1

SMALL OUTLINE

Rectifier Diodes

30 V

150 Cel

-65 Cel

R-PDSO-G3

1

Not Qualified

.2 W

HIGH RELIABILITY

1

.6 A

SILICON

Diodes & Rectifiers

Diodes and rectifiers are electronic components that allow current to flow in one direction only, and they are widely used in electronic circuits for signal processing, power conversion, and protection.

A diode is a two-terminal electronic component that allows current to flow in one direction only. It consists of a P-N junction, which acts as a one-way valve for current flow. When the diode is forward-biased, it allows current to flow in the forward direction, while when it is reverse-biased, it blocks the current flow.

Rectifiers are electronic devices that convert AC voltage to DC voltage. They consist of one or more diodes arranged in a specific configuration, such as half-wave, full-wave, or bridge rectifier. Rectifiers allow the current to flow in only one direction, effectively converting the AC voltage to DC voltage.

Diodes and rectifiers are used in a wide range of applications, such as power supplies, battery chargers, voltage regulators, and signal processing circuits. They offer several advantages over other types of components, such as simplicity, efficiency, and reliability.

Diodes and rectifiers come in different package sizes and current ratings, depending on the application and the required performance. They can be integrated into a circuit board or mounted in a separate enclosure, depending on the application and the space available.