125 Cel Fixed Resistors 2,400+

Reset All
Part RoHS Manufacturer Resistor Type Mounting Type Resistance Rated Power Dissipation (P) Maximum Operating Temperature Tolerance Diameter (Lead) Spacing (Lead) Rated Temperature No. of Functions Technology Shape (Package) No. of Elements Construction Packing Method Size Code Network Type No. of Terminals Package Style (Meter) Terminal Shape Sub-Category Dimensions First Element Resistance Minimum Operating Temperature Temperature Coef (ppm/Cel) Terminal Finish Length (Lead) Height (Package) Manufacturer Series Operating Voltage Additional Features Length (Package) JESD-609 Code Series Diameter (Package) Reference Standard Width (Package)

CR0805-JW-102E

Bourns

FIXED RESISTOR

SURFACE MOUNT

1000 ohm

.125 W

125 Cel

5 %

70 Cel

RUTHENIUM OXIDE

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0805

2

SMT

WRAPAROUND

Fixed Resistors

-55 Cel

200

Tin/Lead (Sn/Pb)

.5 mm

CR0805

100 V

2 mm

e0

CR0805(J TOL)

1.25 mm

CR1206-JW-471E

Bourns

FIXED RESISTOR

SURFACE MOUNT

470 ohm

.25 W

125 Cel

5 %

70 Cel

RUTHENIUM OXIDE

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

1206

2

SMT

WRAPAROUND

Fixed Resistors

-55 Cel

200

Tin/Lead (Sn/Pb)

.6 mm

CR1206

200 V

3.2 mm

e0

CR1206(J TOL)

1.6 mm

CR32-1333F-T

KYOCERA AVX

FIXED RESISTOR

SURFACE MOUNT

133000 ohm

.25 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PUNCHED PAPER, 7 INCH

1206

2

SMT

WRAPAROUND

Fixed Resistors

-55 Cel

100

.55 mm

CR

200 V

3.1 mm

CR32(F TOL)

1.55 mm

CRL0603-FW-4R70ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

4.7 ohm

.1 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

-55 Cel

200

Matte Tin (Sn) - with Nickel (Ni) barrier

.45 mm

.6856 V

1.6 mm

e3

.8 mm

CRL0603-FW-R180ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

.18 ohm

.125 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0603

2

SMT

WRAPAROUND

-55 Cel

200

MATTE TIN OVER NICKEL

.45 mm

.15 V

1.6 mm

e3

.8 mm

CRL0603-FW-R220ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

.22 ohm

.125 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0603

2

SMT

WRAPAROUND

-55 Cel

200

MATTE TIN OVER NICKEL

.45 mm

.1658 V

1.6 mm

e3

.8 mm

CRL0603-FW-R300ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

.3 ohm

.125 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0603

2

SMT

WRAPAROUND

-55 Cel

200

MATTE TIN OVER NICKEL

.45 mm

.1936 V

1.6 mm

e3

.8 mm

CRL0805-FW-2R20ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

2.2 ohm

.125 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0805

2

SMT

WRAPAROUND

-55 Cel

200

Matte Tin (Sn) - with Nickel (Ni) barrier

.5 mm

.5244 V

2 mm

e3

1.25 mm

CRL0805-FW-3R30ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

3.3 ohm

.125 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0805

2

SMT

WRAPAROUND

-55 Cel

200

Matte Tin (Sn) - with Nickel (Ni) barrier

.5 mm

.6423 V

2 mm

e3

1.25 mm

CRL0805-FW-R510ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

.51 ohm

.25 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

-55 Cel

200

Matte Tin (Sn) - with Nickel (Ni) barrier

.5 mm

.3571 V

2 mm

e3

1.25 mm

CRL0805-FW-R820ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

.82 ohm

.25 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

-55 Cel

200

Matte Tin (Sn) - with Nickel (Ni) barrier

.5 mm

.4528 V

2 mm

e3

1.25 mm

CRL0805-JW-R330ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

.33 ohm

.25 W

125 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

-55 Cel

200

Matte Tin (Sn) - with Nickel (Ni) barrier

.5 mm

.2872 V

2 mm

e3

1.25 mm

CRL1206-FW-R130ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

.13 ohm

.5 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

1206

2

SMT

WRAPAROUND

-55 Cel

200

TIN OVER NICKEL

.6 mm

.255 V

3.2 mm

e3

1.6 mm

CRL1206-FW-R360ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

.36 ohm

.5 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

1206

2

SMT

WRAPAROUND

-55 Cel

200

TIN OVER NICKEL

.6 mm

.4243 V

3.2 mm

e3

1.6 mm

CRL1206-FW-R510ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

.51 ohm

.5 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

1206

2

SMT

WRAPAROUND

-55 Cel

200

TIN OVER NICKEL

.6 mm

.505 V

3.2 mm

e3

1.6 mm

CRL2512-FW-2R00ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

2 ohm

1 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, EMBOSSED PLASTIC, 7 INCH

2512

2

SMT

WRAPAROUND

-55 Cel

200

Matte Tin (Sn) - with Nickel (Ni) barrier

.6 mm

1.4142 V

6.3 mm

e3

3.1 mm

CRL2512-FW-R150ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

.15 ohm

1 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Embossed Plastic, 7 Inch

2512

2

SMT

WRAPAROUND

-55 Cel

200

MATTE TIN OVER NICKEL

.6 mm

.3873 V

6.3 mm

e3

3.1 mm

CRL2512-FW-R680ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

.68 ohm

1 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Embossed Plastic, 7 Inch

2512

2

SMT

WRAPAROUND

-55 Cel

200

MATTE TIN OVER NICKEL

.6 mm

.8246 V

6.3 mm

e3

3.1 mm

MCR004YZPF1001

ROHM

FIXED RESISTOR

SURFACE MOUNT

1000 ohm

.031 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

01005

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

250

TIN OVER NICKEL

.13 mm

15 V

.4 mm

e3

TS 16949

.2 mm

MCR006YRTF2201

ROHM

FIXED RESISTOR

SURFACE MOUNT

2200 ohm

.05 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0201

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

250

Tin (Sn) - with Nickel (Ni) barrier

.23 mm

25 V

.6 mm

e3

TS 16949

.3 mm

MCR006YRTF3904

ROHM

FIXED RESISTOR

SURFACE MOUNT

3900000 ohm

.05 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0201

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

250

Tin (Sn) - with Nickel (Ni) barrier

.23 mm

25 V

.6 mm

e3

TS 16949

.3 mm

MCR006YZPF1002

ROHM

FIXED RESISTOR

SURFACE MOUNT

10000 ohm

.05 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0201

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

250

Tin (Sn) - with Nickel (Ni) barrier

.23 mm

25 V

STANDARD: TS 16949

.6 mm

e3

AEC-Q200

.3 mm

MCR006YZPF12R0

ROHM

FIXED RESISTOR

SURFACE MOUNT

12 ohm

.05 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0201

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

250

Tin (Sn) - with Nickel (Ni) barrier

.23 mm

25 V

STANDARD: TS 16949

.6 mm

e3

AEC-Q200

.3 mm

MCR006YZPF2003

ROHM

FIXED RESISTOR

SURFACE MOUNT

200000 ohm

.05 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0201

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

250

TIN OVER NICKEL

.23 mm

25 V

STANDARD: TS 16949

.6 mm

e3

AEC-Q200

.3 mm

MCR006YZPF4702

ROHM

FIXED RESISTOR

SURFACE MOUNT

47000 ohm

.05 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0201

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

250

Tin (Sn) - with Nickel (Ni) barrier

.23 mm

25 V

STANDARD: TS 16949

.6 mm

e3

AEC-Q200

.3 mm

MCR01MZSJ000

ROHM

JUMPER

SURFACE MOUNT

0 ohm

.063 W

125 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

TR, PAPER, 7 INCH

0402

2

WRAPAROUND

-55 Cel

Tin (Sn) - with Nickel (Ni) barrier

RATED CURRENT: 1A

e3

MCR01MZSJ682

ROHM

FIXED RESISTOR

SURFACE MOUNT

6800 ohm

.063 W

125 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

Fixed Resistors

-55 Cel

250

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

.5 mm

MCR100JZHF3402

ROHM

FIXED RESISTOR

SURFACE MOUNT

34000 ohm

1 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Embossed, 7 Inch

2512

2

SMT

WRAPAROUND

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.55 mm

200 V

6.3 mm

e3

3.2 mm

MCR100JZHJ101

ROHM

FIXED RESISTOR

SURFACE MOUNT

100 ohm

1 W

125 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, EMBOSSED, 7 INCH

2512

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

200

Tin (Sn) - with Nickel (Ni) barrier

.55 mm

200 V

6.3 mm

e3

3.2 mm

MCR100JZHJ131

ROHM

FIXED RESISTOR

SURFACE MOUNT

130 ohm

1 W

125 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, EMBOSSED, 7 INCH

2512

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

200

Tin (Sn) - with Nickel (Ni) barrier

.55 mm

200 V

6.3 mm

e3

3.2 mm

MCR100JZHJ390

ROHM

FIXED RESISTOR

SURFACE MOUNT

39 ohm

1 W

125 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, EMBOSSED, 7 INCH

2512

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

200

Tin (Sn) - with Nickel (Ni) barrier

.55 mm

200 V

6.3 mm

e3

3.2 mm

MCR100JZHJLR51

ROHM

FIXED RESISTOR

SURFACE MOUNT

.51 ohm

1 W

125 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

RECTANGULAR PACKAGE

TR, EMBOSSED, 7 INCH

2512

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

250

Tin (Sn) - with Nickel (Ni) barrier

.55 mm

.7141 V

6.3 mm

e3

AEC-Q200

3.2 mm

RC0201FR-07560RL

Yageo

FIXED RESISTOR

SURFACE MOUNT

560 ohm

.05 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

Rectangular

TR, PAPER, 7 INCH

0201

2

SMT

WRAPAROUND

-55 Cel

200

Matte Tin (Sn) - with Nickel (Ni) barrier

.23 mm

25 V

LASER TRIMMABLE

.6 mm

e3

.3 mm

RC0402F5110CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

511 ohm

.0313 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

01005

2

SMT

WRAPAROUND

-55 Cel

250

TIN OVER NICKEL

.13 mm

15 V

.4 mm

e3

.2 mm

RC0603F241CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

240 ohm

.05 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0201

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

250

TIN OVER NICKEL

.23 mm

25 V

.6 mm

e3

.3 mm

RC0603F242CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

2400 ohm

.05 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0201

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

250

TIN OVER NICKEL

.23 mm

25 V

.6 mm

e3

.3 mm

RC0603F472CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

4700 ohm

.05 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0201

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

250

TIN OVER NICKEL

.23 mm

25 V

.6 mm

e3

.3 mm

RC0603F564CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

560000 ohm

.05 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0201

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

250

TIN OVER NICKEL

.23 mm

25 V

.6 mm

e3

.3 mm

RC0603J101CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

100 ohm

.05 W

125 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0201

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

250

TIN OVER NICKEL

.23 mm

25 V

.6 mm

e3

.3 mm

RC0603J1R0CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

1 ohm

.05 W

125 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0201

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

300

TIN OVER NICKEL

.23 mm

25 V

.6 mm

e3

.3 mm

RC0603J512CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

5100 ohm

.05 W

125 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0201

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

250

TIN OVER NICKEL

.23 mm

25 V

.6 mm

e3

.3 mm

CFN0402-FX-R020ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

.02 ohm

.25 W

125 Cel

1 %

70 Cel

METAL FOIL

Rectangular

TR, Paper, 7 Inch

0402

2

SMT

WRAPAROUND

-55 Cel

100

.45 mm

1.1 mm

.55 mm

CR10-100JT

Asj

FIXED RESISTOR

SURFACE MOUNT

10 ohm

.0625 W

125 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

Fixed Resistors

-55 Cel

200

Tin/Lead (Sn/Pb) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e0

.5 mm

CR10-100J-T

KYOCERA AVX

FIXED RESISTOR

SURFACE MOUNT

10 ohm

.1 W

125 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PUNCHED PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

Fixed Resistors

-55 Cel

200

Matte Tin (Sn) - with Nickel (Ni) barrier

.5 mm

50 V

1.6 mm

e3

CR10(J TOL)

.8 mm

CR21-2211F-T

KYOCERA AVX

FIXED RESISTOR

SURFACE MOUNT

2210 ohm

.125 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PUNCHED PAPER, 7 INCH

0805

2

SMT

WRAPAROUND

Fixed Resistors

-55 Cel

100

.55 mm

100 V

2 mm

CR21(F TOL)

1.25 mm

CRL2010-FW-R560ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

.56 ohm

.75 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Embossed Plastic, 7 Inch

2010

2

SMT

WRAPAROUND

-55 Cel

200

MATTE TIN OVER NICKEL

.6 mm

.6481 V

5 mm

e3

2.5 mm

MCR006YLPF1001

ROHM

FIXED RESISTOR

SURFACE MOUNT

1000 ohm

.05 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0201

2

SMT

WRAPAROUND

-55 Cel

200

.23 mm

25 V

.6 mm

.3 mm

MCR006YLPF5600

ROHM

FIXED RESISTOR

SURFACE MOUNT

560 ohm

.05 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0201

2

SMT

WRAPAROUND

-55 Cel

200

.23 mm

25 V

.6 mm

.3 mm

Fixed Resistors

Fixed resistors are passive electronic components that are used to resist the flow of electric current in a circuit. They have a fixed value of resistance, meaning their resistance cannot be adjusted once they are manufactured. They are commonly used to set the bias of transistors, control the gain of amplifiers, or limit the current flowing through an LED. Fixed resistors come in various sizes, power ratings, and tolerances.

There are two types of fixed resistors: through-hole and surface mount. Through-hole resistors have leads that are inserted into holes on the printed circuit board (PCB), while surface mount resistors have terminals that are soldered directly to the surface of the PCB. Through-hole resistors are larger and easier to work with, but surface mount resistors are smaller and more suitable for miniaturized electronic devices.

Fixed resistors can be made from a variety of materials, including carbon, metal, and wire-wound. Carbon resistors are inexpensive and widely used, but they have a lower tolerance and are more susceptible to noise than other types. Metal film resistors have a higher tolerance and better stability, making them ideal for use in precision circuits. Wire-wound resistors have a higher power rating and are used in high power applications, such as power supplies and amplifiers.