|
|
Clock-Standardoszillatoren 11.0592MHz 50ppm -40C +85C
- SG7050CCN 11.059200M-HJGA3
- Epson Timing
-
1:
CHF 2.35
-
315Auf Lager
|
Mouser-Teilenr.
732-7050CC11.05HJGA3
|
Epson Timing
|
Clock-Standardoszillatoren 11.0592MHz 50ppm -40C +85C
|
|
315Auf Lager
|
|
|
CHF 2.35
|
|
|
CHF 2.04
|
|
|
CHF 1.85
|
|
|
CHF 1.77
|
|
|
CHF 1.67
|
|
|
Anzeigen
|
|
|
CHF 1.56
|
|
|
CHF 1.54
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
11.0592 MHz
|
50 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape
|
|
|
|
Clock-Standardoszillatoren 12.288MHz 50ppm -40C +85C
- SG7050CCN 12.288000M-HJGA3
- Epson Timing
-
1:
CHF 2.52
-
264Auf Lager
|
Mouser-Teilenr.
732-7050CC12.28HJGA3
|
Epson Timing
|
Clock-Standardoszillatoren 12.288MHz 50ppm -40C +85C
|
|
264Auf Lager
|
|
|
CHF 2.52
|
|
|
CHF 2.18
|
|
|
CHF 2.06
|
|
|
CHF 1.93
|
|
|
CHF 1.93
|
|
|
Anzeigen
|
|
|
CHF 1.71
|
|
|
CHF 1.65
|
|
|
CHF 1.59
|
|
|
CHF 1.56
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
12.288 MHz
|
50 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
Clock-Standardoszillatoren 14.7456MHz 50ppm -40C +85C
- SG7050CCN 14.745600M-HJGA3
- Epson Timing
-
1:
CHF 2.35
-
137Auf Lager
|
Mouser-Teilenr.
732-7050CC14.74HJGA3
|
Epson Timing
|
Clock-Standardoszillatoren 14.7456MHz 50ppm -40C +85C
|
|
137Auf Lager
|
|
|
CHF 2.35
|
|
|
CHF 2.04
|
|
|
CHF 1.85
|
|
|
CHF 1.77
|
|
|
CHF 1.65
|
|
|
Anzeigen
|
|
|
CHF 1.56
|
|
|
CHF 1.54
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
14.7456 MHz
|
50 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape
|
|
|
|
Clock-Standardoszillatoren 18.432MHz 50ppm -40C +85C
- SG7050CCN 18.432000M-HJGA3
- Epson Timing
-
1:
CHF 2.52
-
106Auf Lager
-
250Auf Bestellung
|
Mouser-Teilenr.
732-7050CC18.43HJGA3
|
Epson Timing
|
Clock-Standardoszillatoren 18.432MHz 50ppm -40C +85C
|
|
106Auf Lager
250Auf Bestellung
|
|
|
CHF 2.52
|
|
|
CHF 2.18
|
|
|
CHF 2.06
|
|
|
CHF 1.88
|
|
|
CHF 1.71
|
|
|
Anzeigen
|
|
|
CHF 1.69
|
|
|
CHF 1.61
|
|
|
CHF 1.54
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
18.432 MHz
|
50 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
Clock-Standardoszillatoren 20MHz 50ppm -40C +85C
- SG7050CCN 20.000000M-HJGA3
- Epson Timing
-
1:
CHF 2.35
-
253Auf Lager
|
Mouser-Teilenr.
732-7050CC20.0HJGA3
|
Epson Timing
|
Clock-Standardoszillatoren 20MHz 50ppm -40C +85C
|
|
253Auf Lager
|
|
|
CHF 2.35
|
|
|
CHF 2.04
|
|
|
CHF 1.85
|
|
|
CHF 1.77
|
|
|
CHF 1.56
|
|
|
CHF 1.54
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
20 MHz
|
50 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
Clock-Standardoszillatoren 24MHz 50ppm -40C +85C
- SG7050CCN 24.000000M-HJGA3
- Epson Timing
-
1:
CHF 2.35
-
500Auf Lager
|
Mouser-Teilenr.
732-7050CC24.0HJGA3
|
Epson Timing
|
Clock-Standardoszillatoren 24MHz 50ppm -40C +85C
|
|
500Auf Lager
|
|
|
CHF 2.35
|
|
|
CHF 2.04
|
|
|
CHF 1.85
|
|
|
CHF 1.77
|
|
|
CHF 1.65
|
|
|
Anzeigen
|
|
|
CHF 1.56
|
|
|
CHF 1.54
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
24 MHz
|
50 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
Clock-Standardoszillatoren 24.576MHz 50ppm -40C +85C
- SG7050CCN 24.57600M-HJGA3
- Epson Timing
-
1:
CHF 2.52
-
161Auf Lager
|
Mouser-Teilenr.
732-7050CC24.57HJGA3
|
Epson Timing
|
Clock-Standardoszillatoren 24.576MHz 50ppm -40C +85C
|
|
161Auf Lager
|
|
|
CHF 2.52
|
|
|
CHF 2.18
|
|
|
CHF 2.06
|
|
|
CHF 1.88
|
|
|
CHF 1.71
|
|
|
Anzeigen
|
|
|
CHF 1.69
|
|
|
CHF 1.61
|
|
|
CHF 1.54
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
24.576 MHz
|
50 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
Clock-Standardoszillatoren 25MHz 50ppm -40C +85C
- SG7050CCN 25.000000M-HJGA3
- Epson Timing
-
1:
CHF 2.35
-
30Auf Lager
|
Mouser-Teilenr.
732-7050CC25.0HJGA3
|
Epson Timing
|
Clock-Standardoszillatoren 25MHz 50ppm -40C +85C
|
|
30Auf Lager
|
|
|
CHF 2.35
|
|
|
CHF 2.04
|
|
|
CHF 1.85
|
|
|
CHF 1.77
|
|
|
CHF 1.67
|
|
|
Anzeigen
|
|
|
CHF 1.56
|
|
|
CHF 1.54
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
25 MHz
|
50 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
Clock-Standardoszillatoren 27MHz 50ppm -40C +85C
- SG7050CCN 27.000000M-HJGA3
- Epson Timing
-
1:
CHF 2.52
-
187Auf Lager
|
Mouser-Teilenr.
732-7050CC27.0HJGA3
|
Epson Timing
|
Clock-Standardoszillatoren 27MHz 50ppm -40C +85C
|
|
187Auf Lager
|
|
|
CHF 2.52
|
|
|
CHF 2.18
|
|
|
CHF 2.06
|
|
|
CHF 1.88
|
|
|
CHF 1.76
|
|
|
Anzeigen
|
|
|
CHF 1.71
|
|
|
CHF 1.66
|
|
|
CHF 1.63
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
27 MHz
|
50 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape
|
|
|
|
Clock-Standardoszillatoren 29.4912MHz 50ppm -40C +85C
- SG7050CCN 29.491200M-HJGA3
- Epson Timing
-
1:
CHF 2.52
-
237Auf Lager
|
Mouser-Teilenr.
732-7050CC29.49HJGA3
|
Epson Timing
|
Clock-Standardoszillatoren 29.4912MHz 50ppm -40C +85C
|
|
237Auf Lager
|
|
|
CHF 2.52
|
|
|
CHF 2.18
|
|
|
CHF 2.06
|
|
|
CHF 1.88
|
|
|
CHF 1.71
|
|
|
Anzeigen
|
|
|
CHF 1.69
|
|
|
CHF 1.61
|
|
|
CHF 1.54
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
29.4912 MHz
|
50 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
Clock-Standardoszillatoren 3.579545MHz 50ppm -40C +85C
- SG7050CCN 3.579545M-HJGA3
- Epson Timing
-
1:
CHF 2.52
-
254Auf Lager
|
Mouser-Teilenr.
732-7050CC3.579HJGA3
|
Epson Timing
|
Clock-Standardoszillatoren 3.579545MHz 50ppm -40C +85C
|
|
254Auf Lager
|
|
|
CHF 2.52
|
|
|
CHF 2.18
|
|
|
CHF 2.06
|
|
|
CHF 1.93
|
|
|
CHF 1.93
|
|
|
Anzeigen
|
|
|
CHF 1.69
|
|
|
CHF 1.61
|
|
|
CHF 1.54
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
3.579545 MHz
|
50 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
Clock-Standardoszillatoren 32MHz 50ppm -40C +85C
- SG7050CCN 32.000000M-HJGA3
- Epson Timing
-
1:
CHF 2.52
-
102Auf Lager
|
Mouser-Teilenr.
732-7050CC32.0HJGA3
|
Epson Timing
|
Clock-Standardoszillatoren 32MHz 50ppm -40C +85C
|
|
102Auf Lager
|
|
|
CHF 2.52
|
|
|
CHF 2.18
|
|
|
CHF 2.06
|
|
|
CHF 1.88
|
|
|
CHF 1.71
|
|
|
Anzeigen
|
|
|
CHF 1.69
|
|
|
CHF 1.61
|
|
|
CHF 1.54
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
32 MHz
|
50 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
Clock-Standardoszillatoren 4MHz 50ppm -40C +85C
- SG7050CCN 4.000000M-HJGA3
- Epson Timing
-
1:
CHF 2.35
-
257Auf Lager
-
257Auf Bestellung
|
Mouser-Teilenr.
732-7050CC4.0HJGA3
|
Epson Timing
|
Clock-Standardoszillatoren 4MHz 50ppm -40C +85C
|
|
257Auf Lager
257Auf Bestellung
|
|
|
CHF 2.35
|
|
|
CHF 2.04
|
|
|
CHF 1.85
|
|
|
CHF 1.77
|
|
|
CHF 1.71
|
|
|
Anzeigen
|
|
|
CHF 1.56
|
|
|
CHF 1.54
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
4 MHz
|
50 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape
|
|
|
|
Clock-Standardoszillatoren 4.9152MHz 50ppm -40C +85C
- SG7050CCN 4.915200M-HJGA3
- Epson Timing
-
1:
CHF 2.35
-
280Auf Lager
|
Mouser-Teilenr.
732-7050CC4.915HJGA3
|
Epson Timing
|
Clock-Standardoszillatoren 4.9152MHz 50ppm -40C +85C
|
|
280Auf Lager
|
|
|
CHF 2.35
|
|
|
CHF 2.04
|
|
|
CHF 1.85
|
|
|
CHF 1.77
|
|
|
CHF 1.67
|
|
|
Anzeigen
|
|
|
CHF 1.56
|
|
|
CHF 1.54
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
4.9152 MHz
|
50 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape
|
|
|
|
Clock-Standardoszillatoren 6MHz 50ppm -40C +85C
- SG7050CCN 6.000000M-HJGA3
- Epson Timing
-
1:
CHF 2.35
-
662Auf Lager
|
Mouser-Teilenr.
732-7050CC6.0HJGA3
|
Epson Timing
|
Clock-Standardoszillatoren 6MHz 50ppm -40C +85C
|
|
662Auf Lager
|
|
|
CHF 2.35
|
|
|
CHF 2.04
|
|
|
CHF 1.85
|
|
|
CHF 1.77
|
|
|
CHF 1.67
|
|
|
Anzeigen
|
|
|
CHF 1.56
|
|
|
CHF 1.54
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
6 MHz
|
50 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape
|
|
|
|
Clock-Standardoszillatoren 7.3728MHz 50ppm -40C +85C
- SG7050CCN 7.372800M-HJGA3
- Epson Timing
-
1:
CHF 2.52
-
81Auf Lager
|
Mouser-Teilenr.
732-7050CC7.372HJGA3
|
Epson Timing
|
Clock-Standardoszillatoren 7.3728MHz 50ppm -40C +85C
|
|
81Auf Lager
|
|
|
CHF 2.52
|
|
|
CHF 2.18
|
|
|
CHF 2.06
|
|
|
CHF 1.88
|
|
|
CHF 1.76
|
|
|
Anzeigen
|
|
|
CHF 1.71
|
|
|
CHF 1.66
|
|
|
CHF 1.63
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
7.3728 MHz
|
50 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
Clock-Standardoszillatoren 100MHz 30ppm -40C +85C
- SG7050EAN 100.000000M-KEGA3
- Epson Timing
-
1:
CHF 4.56
-
58Auf Lager
|
Mouser-Teilenr.
732-7050E100.0KEGA3
|
Epson Timing
|
Clock-Standardoszillatoren 100MHz 30ppm -40C +85C
|
|
58Auf Lager
|
|
|
CHF 4.56
|
|
|
CHF 3.94
|
|
|
CHF 3.73
|
|
|
CHF 3.56
|
|
|
CHF 3.30
|
|
|
Anzeigen
|
|
|
CHF 3.40
|
|
|
CHF 3.21
|
|
|
CHF 3.15
|
|
|
CHF 3.08
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
100 MHz
|
30 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape
|
|
|
|
Clock-Standardoszillatoren 200MHz 30ppm -40C +85C
- SG7050EAN 200.000000M-KEGA3
- Epson Timing
-
1:
CHF 4.37
-
264Auf Lager
|
Mouser-Teilenr.
732-7050E200.0KEGA3
|
Epson Timing
|
Clock-Standardoszillatoren 200MHz 30ppm -40C +85C
|
|
264Auf Lager
|
|
|
CHF 4.37
|
|
|
CHF 3.80
|
|
|
CHF 3.60
|
|
|
CHF 3.45
|
|
|
CHF 3.12
|
|
|
Anzeigen
|
|
|
CHF 3.31
|
|
|
CHF 3.08
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
200 MHz
|
30 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape
|
|
|
|
Clock-Standardoszillatoren XTAL OSC 2.5 3.3V +/-30PPM -40 85C BULK
- SG7050EAN 250.000000M-KEGAB
- Epson Timing
-
1:
CHF 4.55
-
9Auf Lager
|
Mouser-Teilenr.
732-7050EAN250MKEGAB
|
Epson Timing
|
Clock-Standardoszillatoren XTAL OSC 2.5 3.3V +/-30PPM -40 85C BULK
|
|
9Auf Lager
|
|
|
CHF 4.55
|
|
|
CHF 3.93
|
|
|
CHF 3.73
|
|
|
CHF 3.44
|
|
|
Anzeigen
|
|
|
CHF 3.38
|
|
|
CHF 3.29
|
|
|
CHF 3.21
|
|
|
CHF 3.15
|
|
|
CHF 3.08
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
250 MHz
|
30 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Bulk
|
|
|
|
Clock-Standardoszillatoren 156.25MHz 30ppm -40C +85C
- SG7050VAN 156.250000M-KEGA3
- Epson Timing
-
1:
CHF 5.00
-
105Auf Lager
|
Mouser-Teilenr.
732-7050V156.25KEGA3
|
Epson Timing
|
Clock-Standardoszillatoren 156.25MHz 30ppm -40C +85C
|
|
105Auf Lager
|
|
|
CHF 5.00
|
|
|
CHF 4.31
|
|
|
CHF 4.10
|
|
|
CHF 3.91
|
|
|
CHF 3.53
|
|
|
Anzeigen
|
|
|
CHF 3.73
|
|
|
CHF 3.38
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
156.25 MHz
|
30 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
Clock-Standardoszillatoren 200MHz 30ppm -40C +85C
- SG7050VAN 200.000000M-KEGA3
- Epson Timing
-
1:
CHF 4.75
-
42Auf Lager
|
Mouser-Teilenr.
732-7050V200.0KEGA3
|
Epson Timing
|
Clock-Standardoszillatoren 200MHz 30ppm -40C +85C
|
|
42Auf Lager
|
|
|
CHF 4.75
|
|
|
CHF 4.13
|
|
|
CHF 3.91
|
|
|
CHF 3.74
|
|
|
CHF 3.62
|
|
|
CHF 3.38
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
200 MHz
|
30 PPM
|
|
SMD/SMT
|
7 mm x 5 mm
|
- 40 C
|
+ 85 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
Clock-Standardoszillatoren SG-8018CE 100.0000M-TJHPA0: MHZ OSC 1.8V 3.3V 50PPM -40 105C O/E 1KTR
- SG-8018CE 100.0000M-TJHPA0
- Epson Timing
-
1:
CHF 0.90
-
596Auf Lager
|
Mouser-Teilenr.
732-8018CE100MTJHPA0
|
Epson Timing
|
Clock-Standardoszillatoren SG-8018CE 100.0000M-TJHPA0: MHZ OSC 1.8V 3.3V 50PPM -40 105C O/E 1KTR
|
|
596Auf Lager
|
|
|
CHF 0.90
|
|
|
CHF 0.769
|
|
|
CHF 0.731
|
|
|
CHF 0.663
|
|
|
CHF 0.478
|
|
|
Anzeigen
|
|
|
CHF 0.599
|
|
|
CHF 0.579
|
|
|
CHF 0.464
|
|
|
CHF 0.452
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
|
|
|
|
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Programmierbare Oszillatoren SG-8018CG-MPL0: BLANK 1.62V 3.63V SMD XTL OSC MP MACH 1K T/R
- SG-8018CG-MPL0 BLANK
- Epson Timing
-
1:
CHF 0.689
-
495Auf Lager
|
Mouser-Teilenr.
732-8018CGMPL0BLANK
|
Epson Timing
|
Programmierbare Oszillatoren SG-8018CG-MPL0: BLANK 1.62V 3.63V SMD XTL OSC MP MACH 1K T/R
|
|
495Auf Lager
|
|
|
CHF 0.689
|
|
|
CHF 0.592
|
|
|
CHF 0.562
|
|
|
CHF 0.511
|
|
|
CHF 0.429
|
|
|
Anzeigen
|
|
|
CHF 0.461
|
|
|
CHF 0.446
|
|
|
CHF 0.402
|
|
|
CHF 0.382
|
|
Min.: 1
Mult.: 1
|
|
Programmable Oscillators
|
|
|
|
|
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Clock-Standardoszillatoren SG-8018CA 112.5000M-TJHPA0: MHZ OSC 1.8V 3.3V +/-50PPM-40 105C O/E 1K TR
- SG-8018CA 112.5000M-TJHPA0
- Epson Timing
-
1:
CHF 0.999
-
990Auf Lager
|
Mouser-Teilenr.
732-818CA1125MTJHPA
|
Epson Timing
|
Clock-Standardoszillatoren SG-8018CA 112.5000M-TJHPA0: MHZ OSC 1.8V 3.3V +/-50PPM-40 105C O/E 1K TR
|
|
990Auf Lager
|
|
|
CHF 0.999
|
|
|
CHF 0.859
|
|
|
CHF 0.809
|
|
|
CHF 0.735
|
|
|
CHF 0.577
|
|
|
Anzeigen
|
|
|
CHF 0.681
|
|
|
CHF 0.663
|
|
|
CHF 0.56
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
|
|
|
|
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Clock-Standardoszillatoren SG-8018CA 27.0950M-TJHPA0: MHZ OSC 1.8V 3.3V +/-50PPM -40 105C O/E 1K TR
- SG-8018CA 27.0950M-TJHPA0
- Epson Timing
-
1:
CHF 0.999
-
846Auf Lager
|
Mouser-Teilenr.
732-818CA2795MTJHPA
|
Epson Timing
|
Clock-Standardoszillatoren SG-8018CA 27.0950M-TJHPA0: MHZ OSC 1.8V 3.3V +/-50PPM -40 105C O/E 1K TR
|
|
846Auf Lager
|
|
|
CHF 0.999
|
|
|
CHF 0.859
|
|
|
CHF 0.809
|
|
|
CHF 0.735
|
|
|
CHF 0.577
|
|
|
Anzeigen
|
|
|
CHF 0.681
|
|
|
CHF 0.663
|
|
|
CHF 0.56
|
|
Min.: 1
Mult.: 1
|
|
Standard Oscillators
|
|
|
|
|
|
|
|
Reel, Cut Tape, MouseReel
|
|
Liechtenstein
