|
|
Schaltregler PWM type DC/DC converter IC Included 650V MOSFET
- BM2P052F-GE2
- ROHM Semiconductor
-
1:
CHF 2.05
-
1'551Auf Lager
|
Mouser-Teilenr.
755-BM2P052F-GE2
|
ROHM Semiconductor
|
Schaltregler PWM type DC/DC converter IC Included 650V MOSFET
|
|
1'551Auf Lager
|
|
|
CHF 2.05
|
|
|
CHF 1.53
|
|
|
CHF 1.38
|
|
|
CHF 1.24
|
|
|
CHF 0.875
|
|
|
Anzeigen
|
|
|
CHF 1.17
|
|
|
CHF 1.12
|
|
|
CHF 0.94
|
|
|
CHF 0.851
|
|
Min.: 1
Mult.: 1
|
|
|
|
1 Output
|
70 kHz
|
82 %
|
8.9 V to 26 V
|
|
2.6 A
|
- 40 C
|
+ 105 C
|
SMD/SMT
|
SOP-8
|
Reel, Cut Tape
|
|
|
|
Schaltregler 60V Synchronous Step-down Regulator
- BD9611MUV-E2
- ROHM Semiconductor
-
1:
CHF 2.62
-
1'716Auf Lager
|
Mouser-Teilenr.
755-BD9611MUV-E2
|
ROHM Semiconductor
|
Schaltregler 60V Synchronous Step-down Regulator
|
|
1'716Auf Lager
|
|
|
CHF 2.62
|
|
|
CHF 1.75
|
|
|
CHF 1.71
|
|
|
CHF 1.22
|
|
|
Anzeigen
|
|
|
CHF 0.885
|
|
|
CHF 1.05
|
|
|
CHF 1.01
|
|
|
CHF 0.885
|
|
Min.: 1
Mult.: 1
|
|
|
Buck
|
1 Output
|
50 kHz to 500 kHz
|
60 %
|
10 V to 56 V
|
1 V to 44.8 V
|
|
- 40 C
|
+ 105 C
|
SMD/SMT
|
VQFNV4040-EP-20
|
Reel, Cut Tape, MouseReel
|
|
|
|
Schaltregler PWM Control Type DC/DC Converter IC for AC/DC Driver
- BD7672BG-GTR
- ROHM Semiconductor
-
1:
CHF 0.697
-
4'444Auf Lager
|
Mouser-Teilenr.
755-BD7672BG-GTR
|
ROHM Semiconductor
|
Schaltregler PWM Control Type DC/DC Converter IC for AC/DC Driver
|
|
4'444Auf Lager
|
|
|
CHF 0.697
|
|
|
CHF 0.496
|
|
|
CHF 0.447
|
|
|
CHF 0.392
|
|
|
CHF 0.328
|
|
|
Anzeigen
|
|
|
CHF 0.367
|
|
|
CHF 0.351
|
|
|
CHF 0.338
|
|
|
CHF 0.308
|
|
Min.: 1
Mult.: 1
|
|
|
|
1 Output
|
70 kHz
|
82 %
|
8.5 V to 25 V
|
|
1 A
|
- 40 C
|
+ 105 C
|
SMD/SMT
|
SSOP-6
|
Reel, Cut Tape, MouseReel
|
|
|
|
Schaltregler PMIC DC/DC PWM Control Converter, 8.9V-26V, 65kHz Switching
- BM1P067FJ-E2
- ROHM Semiconductor
-
1:
CHF 0.961
-
2'451Auf Lager
|
Mouser-Teilenr.
755-BM1P067FJ-E2
|
ROHM Semiconductor
|
Schaltregler PMIC DC/DC PWM Control Converter, 8.9V-26V, 65kHz Switching
|
|
2'451Auf Lager
|
|
|
CHF 0.961
|
|
|
CHF 0.745
|
|
|
CHF 0.671
|
|
|
CHF 0.593
|
|
|
Anzeigen
|
|
|
CHF 0.447
|
|
|
CHF 0.554
|
|
|
CHF 0.527
|
|
|
CHF 0.448
|
|
|
CHF 0.447
|
|
Min.: 1
Mult.: 1
|
|
|
|
1 Output
|
65 kHz
|
82 %
|
8.9 V to 26 V
|
12.5 V
|
1 A
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SOP-8
|
Reel, Cut Tape
|
|
|
|
Schaltregler PWM type DC/DC Conv for AC/DC
- BM2P0161-Z
- ROHM Semiconductor
-
1:
CHF 2.23
-
1'633Auf Lager
|
Mouser-Teilenr.
755-BM2P0161-Z
|
ROHM Semiconductor
|
Schaltregler PWM type DC/DC Conv for AC/DC
|
|
1'633Auf Lager
|
|
|
CHF 2.23
|
|
|
CHF 1.68
|
|
|
CHF 1.44
|
|
|
CHF 1.38
|
|
|
Anzeigen
|
|
|
CHF 1.30
|
|
|
CHF 1.25
|
|
|
CHF 1.17
|
|
|
CHF 1.16
|
|
|
CHF 1.13
|
|
Min.: 1
Mult.: 1
|
|
|
|
1 Output
|
70 kHz
|
82 %
|
8.9 V to 26 V
|
|
|
- 40 C
|
+ 105 C
|
Through Hole
|
DIP-7
|
Tube
|
|
|
|
Schaltregler PWM type DC/DC converter IC Included 650V MOSFET
- BM2P054F-GE2
- ROHM Semiconductor
-
1:
CHF 1.65
-
3'243Auf Lager
|
Mouser-Teilenr.
755-BM2P054F-GE2
|
ROHM Semiconductor
|
Schaltregler PWM type DC/DC converter IC Included 650V MOSFET
|
|
3'243Auf Lager
|
|
|
CHF 1.65
|
|
|
CHF 1.22
|
|
|
CHF 1.08
|
|
|
CHF 0.999
|
|
|
CHF 0.796
|
|
|
Anzeigen
|
|
|
CHF 0.94
|
|
|
CHF 0.907
|
|
|
CHF 0.867
|
|
|
CHF 0.79
|
|
Min.: 1
Mult.: 1
|
|
|
|
1 Output
|
70 kHz
|
82 %
|
8.9 V to 26 V
|
|
2.6 A
|
- 40 C
|
+ 105 C
|
SMD/SMT
|
SOP-8
|
Reel, Cut Tape
|
|
|
|
Schaltregler 1ch Bst DC/DC Cntlr 3.5-60V; 100-2500kHz
- BD9615MUV-LBE2
- ROHM Semiconductor
-
1:
CHF 1.60
-
4'119Auf Lager
|
Mouser-Teilenr.
755-BD9615MUV-LB
|
ROHM Semiconductor
|
Schaltregler 1ch Bst DC/DC Cntlr 3.5-60V; 100-2500kHz
|
|
4'119Auf Lager
|
|
|
CHF 1.60
|
|
|
CHF 1.19
|
|
|
CHF 1.07
|
|
|
CHF 0.961
|
|
|
CHF 0.81
|
|
|
Anzeigen
|
|
|
CHF 0.907
|
|
|
CHF 0.875
|
|
|
CHF 0.851
|
|
|
CHF 0.794
|
|
Min.: 1
Mult.: 1
|
|
|
Boost
|
1 Output
|
2.5 MHz
|
98 %
|
3.5 V to 60 V
|
3 V, 5 V
|
180 uA
|
- 40 C
|
+ 105 C
|
SMD/SMT
|
VQFN-16
|
Reel, Cut Tape, MouseReel
|
|
|
|
Schaltregler PWM Type DC/DC Converter IC Included a Switching MOSFET
- BM2P015-Z
- ROHM Semiconductor
-
1:
CHF 2.26
-
2'000Auf Lager
|
Mouser-Teilenr.
755-BM2P015-Z
|
ROHM Semiconductor
|
Schaltregler PWM Type DC/DC Converter IC Included a Switching MOSFET
|
|
2'000Auf Lager
|
|
|
CHF 2.26
|
|
|
CHF 1.70
|
|
|
CHF 1.46
|
|
|
CHF 1.39
|
|
|
Anzeigen
|
|
|
CHF 1.31
|
|
|
CHF 1.27
|
|
|
CHF 1.23
|
|
|
CHF 1.13
|
|
Min.: 1
Mult.: 1
|
|
|
Buck
|
1 Output
|
70 kHz
|
82 %
|
8.9 V to 26 V
|
|
10.4 A
|
- 40 C
|
+ 105 C
|
Through Hole
|
DIP-7
|
Tube
|
|
|
|
Schaltregler PWM Type DC/DC Converter IC with Integrated Switching MOSFET
- BM2P0161K-Z
- ROHM Semiconductor
-
1:
CHF 1.62
-
1'769Auf Lager
|
Mouser-Teilenr.
755-BM2P0161K-Z
|
ROHM Semiconductor
|
Schaltregler PWM Type DC/DC Converter IC with Integrated Switching MOSFET
|
|
1'769Auf Lager
|
|
Min.: 1
Mult.: 1
|
|
|
|
1 Output
|
70 kHz
|
75 %
|
8.9 V to 26 V
|
|
9 A
|
- 40 C
|
+ 105 C
|
Through Hole
|
DIP-7
|
Tube
|
|
|
|
Schaltregler PWM Type DC/DC Converter IC with Integrated Switching MOSFET
- BM2P0362-Z
- ROHM Semiconductor
-
1:
CHF 1.75
-
1'989Auf Lager
|
Mouser-Teilenr.
755-BM2P0362-Z
|
ROHM Semiconductor
|
Schaltregler PWM Type DC/DC Converter IC with Integrated Switching MOSFET
|
|
1'989Auf Lager
|
|
|
CHF 1.75
|
|
|
CHF 1.30
|
|
|
CHF 1.12
|
|
|
CHF 1.06
|
|
|
Anzeigen
|
|
|
CHF 0.999
|
|
|
CHF 0.961
|
|
|
CHF 0.923
|
|
|
CHF 0.916
|
|
|
CHF 0.90
|
|
Min.: 1
Mult.: 1
|
|
|
|
1 Output
|
70 kHz
|
82 %
|
8.9 V to 26 V
|
|
|
- 40 C
|
+ 105 C
|
Through Hole
|
DIP-7
|
Tube
|
|
|
|
Schaltregler Rectifier Diode
- BM2P093F-GE2
- ROHM Semiconductor
-
1:
CHF 1.54
-
2'498Auf Lager
|
Mouser-Teilenr.
755-BM2P093F-GE2
|
ROHM Semiconductor
|
Schaltregler Rectifier Diode
|
|
2'498Auf Lager
|
|
|
CHF 1.54
|
|
|
CHF 1.13
|
|
|
CHF 1.04
|
|
|
CHF 0.98
|
|
|
CHF 0.776
|
|
|
Anzeigen
|
|
|
CHF 0.951
|
|
|
CHF 0.923
|
|
|
CHF 0.835
|
|
|
CHF 0.76
|
|
Min.: 1
Mult.: 1
|
|
|
|
1 Output
|
70 kHz
|
82 %
|
8.9 V to 26 V
|
|
1.3 A
|
- 40 C
|
+ 105 C
|
SMD/SMT
|
SOP-8
|
Reel, Cut Tape
|
|
|
|
Schaltregler Integrated 800V Switching MOSFET, 65kHz, PWM Type DC/DC Converter IC
- BM2P063HK-LBZ
- ROHM Semiconductor
-
1:
CHF 1.59
-
1'945Auf Lager
|
Mouser-Teilenr.
755-BM2P063HK-LBZ
|
ROHM Semiconductor
|
Schaltregler Integrated 800V Switching MOSFET, 65kHz, PWM Type DC/DC Converter IC
|
|
1'945Auf Lager
|
|
Min.: 1
Mult.: 1
|
|
|
|
1 Output
|
65 kHz
|
82 %
|
10.9 V to 30 V
|
|
4.8 A
|
- 40 C
|
+ 105 C
|
Through Hole
|
DIP-7
|
Tube
|
|
|
|
Schaltregler Step-down, High-efficiency Switching Regulators (Controller type)
- BD63536FJ-E2
- ROHM Semiconductor
-
1:
CHF 1.33
-
2'377Auf Lager
|
Mouser-Teilenr.
755-BD63536FJ-E2
|
ROHM Semiconductor
|
Schaltregler Step-down, High-efficiency Switching Regulators (Controller type)
|
|
2'377Auf Lager
|
|
|
CHF 1.33
|
|
|
CHF 0.98
|
|
|
CHF 0.867
|
|
|
CHF 0.787
|
|
|
Anzeigen
|
|
|
CHF 0.62
|
|
|
CHF 0.739
|
|
|
CHF 0.711
|
|
|
CHF 0.62
|
|
|
CHF 0.62
|
|
Min.: 1
Mult.: 1
|
|
|
Buck
|
1 Output
|
300 kHz
|
50 %
|
3 V to 30 V
|
2.5 V
|
200 mA
|
- 25 C
|
+ 85 C
|
SMD/SMT
|
SOP-8
|
Reel, Cut Tape, MouseReel
|
|
|
|
Schaltregler PWM Type DC/DC Converter IC Included a Switching MOSFET
- BM2P016-Z
- ROHM Semiconductor
-
1:
CHF 1.64
-
5'813Auf Lager
|
Mouser-Teilenr.
755-BM2P016-Z
|
ROHM Semiconductor
|
Schaltregler PWM Type DC/DC Converter IC Included a Switching MOSFET
|
|
5'813Auf Lager
|
|
|
CHF 1.64
|
|
|
CHF 1.22
|
|
|
CHF 1.12
|
|
Min.: 1
Mult.: 1
|
|
|
Buck
|
1 Output
|
70 kHz
|
82 %
|
8.9 V to 26 V
|
|
10.4 A
|
- 40 C
|
+ 105 C
|
Through Hole
|
DIP-7
|
Tube
|
|
|
|
Schaltregler PWM Control Type DC/DC Converter IC for AC/DC Driver
- BD7679G-GTR
- ROHM Semiconductor
-
1:
CHF 0.64
-
2'960Auf Lager
|
Mouser-Teilenr.
755-BD7679G-GTR
|
ROHM Semiconductor
|
Schaltregler PWM Control Type DC/DC Converter IC for AC/DC Driver
|
|
2'960Auf Lager
|
|
|
CHF 0.64
|
|
|
CHF 0.459
|
|
|
CHF 0.413
|
|
|
CHF 0.362
|
|
|
CHF 0.288
|
|
|
Anzeigen
|
|
|
CHF 0.338
|
|
|
CHF 0.323
|
|
|
CHF 0.297
|
|
|
CHF 0.281
|
|
Min.: 1
Mult.: 1
|
|
|
|
1 Output
|
65 kHz
|
82 %
|
8.5 V to 26 V
|
|
1 A
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SSOP-6
|
Reel, Cut Tape, MouseReel
|
|
|
|
Schaltregler PMIC DC/DC PWM Control Converter, 8.9V-26V, 65kHz Switching
- BM1P065FJ-E2
- ROHM Semiconductor
-
1:
CHF 1.71
-
2'307Auf Lager
|
Mouser-Teilenr.
755-BM1P065FJ-E2
|
ROHM Semiconductor
|
Schaltregler PMIC DC/DC PWM Control Converter, 8.9V-26V, 65kHz Switching
|
|
2'307Auf Lager
|
|
|
CHF 1.71
|
|
|
CHF 1.09
|
|
|
CHF 0.97
|
|
|
CHF 0.798
|
|
|
CHF 0.466
|
|
|
Anzeigen
|
|
|
CHF 0.696
|
|
|
CHF 0.659
|
|
|
CHF 0.487
|
|
|
CHF 0.46
|
|
Min.: 1
Mult.: 1
|
|
|
|
1 Output
|
65 kHz
|
82 %
|
8.9 V to 26 V
|
12.5 V
|
1 A
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SOP-8
|
Reel, Cut Tape
|
|
|
|
Schaltregler PWM Control Type DC/DC Converter IC for AC/DC Driver
- BD7673AG-GTR
- ROHM Semiconductor
-
1:
CHF 1.24
-
2'995Auf Lager
|
Mouser-Teilenr.
755-BD7673AG-GTR
|
ROHM Semiconductor
|
Schaltregler PWM Control Type DC/DC Converter IC for AC/DC Driver
|
|
2'995Auf Lager
|
|
|
CHF 1.24
|
|
|
CHF 0.784
|
|
|
CHF 0.676
|
|
|
CHF 0.531
|
|
|
CHF 0.315
|
|
|
Anzeigen
|
|
|
CHF 0.471
|
|
|
CHF 0.422
|
|
|
CHF 0.338
|
|
|
CHF 0.308
|
|
Min.: 1
Mult.: 1
|
|
|
|
1 Output
|
65 kHz
|
82 %
|
8.5 V to 26 V
|
|
1 A
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SSOP-6
|
Reel, Cut Tape, MouseReel
|
|
|
|
Schaltregler PWM Control IC
- BM1P107FJ-E2
- ROHM Semiconductor
-
1:
CHF 1.02
-
2'317Auf Lager
|
Mouser-Teilenr.
755-BM1P107FJ-E2
|
ROHM Semiconductor
|
Schaltregler PWM Control IC
|
|
2'317Auf Lager
|
|
|
CHF 1.02
|
|
|
CHF 0.731
|
|
|
CHF 0.662
|
|
|
CHF 0.585
|
|
|
CHF 0.466
|
|
|
Anzeigen
|
|
|
CHF 0.552
|
|
|
CHF 0.529
|
|
|
CHF 0.487
|
|
|
CHF 0.46
|
|
Min.: 1
Mult.: 1
|
|
|
|
1 Output
|
100 kHz
|
82 %
|
8.9 V to 26 V
|
12.5 V
|
1 A
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SOP-8
|
Reel, Cut Tape
|
|
|
|
Schaltregler PWM Type DC/DC Converter IC with Integrated Switching MOSFET
- BM2P0163T-Z
- ROHM Semiconductor
-
1:
CHF 4.90
-
235Auf Lager
|
Mouser-Teilenr.
755-BM2P0163T-Z
|
ROHM Semiconductor
|
Schaltregler PWM Type DC/DC Converter IC with Integrated Switching MOSFET
|
|
235Auf Lager
|
|
Min.: 1
Mult.: 1
|
|
|
|
1 Output
|
70 kHz
|
82 %
|
8.9 V to 26 V
|
|
10.4 A
|
- 40 C
|
+ 105 C
|
Through Hole
|
TO-220-7
|
Tube
|
|
|
|
Schaltregler HIGH-SIDE REGULATOR
- BD87007FJ-E2
- ROHM Semiconductor
-
1:
CHF 1.18
-
4'000Auf Lager
|
Mouser-Teilenr.
755-BD87007FJ-E2
|
ROHM Semiconductor
|
Schaltregler HIGH-SIDE REGULATOR
|
|
4'000Auf Lager
|
|
|
CHF 1.18
|
|
|
CHF 0.859
|
|
|
CHF 0.779
|
|
|
CHF 0.691
|
|
|
CHF 0.568
|
|
|
Anzeigen
|
|
|
CHF 0.65
|
|
|
CHF 0.625
|
|
|
CHF 0.592
|
|
|
CHF 0.561
|
|
Min.: 1
Mult.: 1
|
|
|
Flyback
|
1 Output
|
50 kHz
|
|
2.7 V to 32 V
|
|
11 uA
|
- 40 C
|
+ 105 C
|
SMD/SMT
|
SOP-8
|
Reel, Cut Tape, MouseReel
|
|
|
|
Schaltregler PWM Type DC/DC Converter IC with Integrated Switching MOSFET
- BM2P0151-Z
- ROHM Semiconductor
-
1:
CHF 2.23
-
1'999Auf Lager
|
Mouser-Teilenr.
755-BM2P0151-Z
|
ROHM Semiconductor
|
Schaltregler PWM Type DC/DC Converter IC with Integrated Switching MOSFET
|
|
1'999Auf Lager
|
|
|
CHF 2.23
|
|
|
CHF 1.68
|
|
|
CHF 1.45
|
|
|
CHF 1.38
|
|
|
Anzeigen
|
|
|
CHF 1.30
|
|
|
CHF 1.25
|
|
|
CHF 1.22
|
|
|
CHF 1.19
|
|
|
CHF 1.17
|
|
Min.: 1
Mult.: 1
|
|
|
|
1 Output
|
70 kHz
|
82 %
|
8.9 V to 26 V
|
|
12 A
|
- 40 C
|
+ 105 C
|
Through Hole
|
DIP-7
|
Tube
|
|
|
|
Schaltregler PWM type DC/DC converter IC Included 650V MOSFET
- BM2P053F-GE2
- ROHM Semiconductor
-
1:
CHF 1.84
-
2'500Auf Lager
|
Mouser-Teilenr.
755-BM2P053F-GE2
|
ROHM Semiconductor
|
Schaltregler PWM type DC/DC converter IC Included 650V MOSFET
|
|
2'500Auf Lager
|
|
|
CHF 1.84
|
|
|
CHF 1.36
|
|
|
CHF 1.23
|
|
|
CHF 1.10
|
|
|
CHF 0.776
|
|
|
Anzeigen
|
|
|
CHF 1.04
|
|
|
CHF 0.989
|
|
|
CHF 0.842
|
|
|
CHF 0.757
|
|
Min.: 1
Mult.: 1
|
|
|
|
1 Output
|
70 kHz
|
82 %
|
8.9 V to 26 V
|
|
2.6 A
|
- 40 C
|
+ 105 C
|
SMD/SMT
|
SOP-8
|
Reel, Cut Tape
|
|
|
|
Schaltregler NPN+NPN Driver Transistor
- BM2P092F-GE2
- ROHM Semiconductor
-
1:
CHF 1.59
-
1'283Auf Lager
|
Mouser-Teilenr.
755-BM2P092F-GE2
|
ROHM Semiconductor
|
Schaltregler NPN+NPN Driver Transistor
|
|
1'283Auf Lager
|
|
|
CHF 1.59
|
|
|
CHF 1.19
|
|
|
CHF 1.07
|
|
|
CHF 0.961
|
|
|
CHF 0.81
|
|
|
Anzeigen
|
|
|
CHF 0.907
|
|
|
CHF 0.875
|
|
|
CHF 0.851
|
|
|
CHF 0.791
|
|
Min.: 1
Mult.: 1
|
|
|
|
1 Output
|
70 kHz
|
82 %
|
8.9 V to 26 V
|
|
1.3 A
|
- 40 C
|
+ 105 C
|
SMD/SMT
|
SOP-8
|
Reel, Cut Tape
|
|
|
|
Schaltregler HIGH-SIDE REGULATOR
- BM1R00147F-E2
- ROHM Semiconductor
-
1:
CHF 1.58
-
2'500erwartet ab 26.05.2026
|
Mouser-Teilenr.
755-BM1R00147F-E2
|
ROHM Semiconductor
|
Schaltregler HIGH-SIDE REGULATOR
|
|
2'500erwartet ab 26.05.2026
|
|
|
CHF 1.58
|
|
|
CHF 1.17
|
|
|
CHF 1.06
|
|
|
CHF 0.951
|
|
|
CHF 0.802
|
|
|
Anzeigen
|
|
|
CHF 0.891
|
|
|
CHF 0.859
|
|
|
CHF 0.835
|
|
|
CHF 0.784
|
|
Min.: 1
Mult.: 1
|
|
|
Flyback
|
1 Output
|
50 kHz
|
|
2.7 V to 32 V
|
|
11 uA
|
- 40 C
|
+ 105 C
|
SMD/SMT
|
SOP-8
|
Reel, Cut Tape, MouseReel
|
|
|
|
Schaltregler Intgrd PWM 8.9-26V Auto Rstrt TO220-7M
- BM2P016T-Z
- ROHM Semiconductor
-
1:
CHF 5.14
-
235erwartet ab 24.03.2026
|
Mouser-Teilenr.
755-BM2P016T-Z
|
ROHM Semiconductor
|
Schaltregler Intgrd PWM 8.9-26V Auto Rstrt TO220-7M
|
|
235erwartet ab 24.03.2026
|
|
|
CHF 5.14
|
|
|
CHF 3.73
|
|
|
CHF 3.48
|
|
|
CHF 3.05
|
|
|
Anzeigen
|
|
|
CHF 2.90
|
|
|
CHF 2.60
|
|
|
CHF 2.19
|
|
|
CHF 2.11
|
|
Min.: 1
Mult.: 1
|
|
|
|
1 Output
|
70 kHz
|
82 %
|
8.9 V to 26 V
|
|
10.4 A
|
- 40 C
|
+ 105 C
|
Through Hole
|
TO-220-7
|
Tube
|
|
Liechtenstein