|
|
MEMS Oscillators -40 to 85C, 2520, 50ppm, 3.3V, 66.66666MHz, OE, 1k pcs T&R 8 mm
- SiT1602AI-13-33E-66.666660E
- SiTime
-
1,000:
$0.855
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI1333E6660E
|
SiTime
|
MEMS Oscillators -40 to 85C, 2520, 50ppm, 3.3V, 66.66666MHz, OE, 1k pcs T&R 8 mm
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
Min.: 1,000
Mult.: 1,000
|
|
2.5 mm x 2 mm
|
66.66666 MHz
|
50 PPM
|
15 pF
|
2.97 V
|
3.63 V
|
LVCMOS
|
4.5 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 2520, 50ppm, 3.3V, 33.333MHz, OE, T&R
- SiT1602AI-13-33E-33.333000D
- SiTime
-
3,000:
$0.998
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI13E3D
|
SiTime
|
MEMS Oscillators -40 to 85C, 2520, 50ppm, 3.3V, 33.333MHz, OE, T&R
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
Min.: 3,000
Mult.: 3,000
|
|
2.5 mm x 2 mm
|
33.333 MHz
|
50 PPM
|
15 pF
|
2.97 V
|
3.63 V
|
LVCMOS
|
4.5 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 20ppm, 3.3V, 25MHz, OE, T&R
- SiT1602AI-21-33E-25.000000D
- SiTime
-
3,000:
$1.30
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI2133E25D
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 20ppm, 3.3V, 25MHz, OE, T&R
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
Min.: 3,000
Mult.: 3,000
|
|
3.2 mm x 2.5 mm
|
25 MHz
|
20 PPM
|
15 pF
|
2.97 V
|
3.63 V
|
LVCMOS
|
4.5 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 1.8V, 24MHz, OE, 3k pcs T&R 8 mm
- SiT1602AI-22-18E-24.000000D
- SiTime
-
3,000:
$1.20
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI2218E2400D
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 1.8V, 24MHz, OE, 3k pcs T&R 8 mm
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
Min.: 3,000
Mult.: 3,000
|
|
3.2 mm x 2.5 mm
|
24 MHz
|
25 PPM
|
15 pF
|
1.62 V
|
1.98 V
|
LVCMOS
|
3.9 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 1.8V, 24MHz, OE, T&R
- SiT1602AI-22-18E-24.000000E
- SiTime
-
1,000:
$1.29
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI2218E24E
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 1.8V, 24MHz, OE, T&R
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
|
$1.29
|
|
|
$1.24
|
|
|
$1.23
|
|
|
$1.22
|
|
|
Quote
|
|
|
Quote
|
|
Min.: 1,000
Mult.: 1,000
|
|
3.2 mm x 2.5 mm
|
24 MHz
|
25 PPM
|
15 pF
|
1.62 V
|
1.98 V
|
LVCMOS
|
3.9 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 1.8V, 24MHz, OE, 250 pcs T&R 8 mm
- SiT1602AI-22-18E-24.000000G
- SiTime
-
1:
$2.31
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI2218E24G
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 1.8V, 24MHz, OE, 250 pcs T&R 8 mm
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
|
$2.31
|
|
|
$2.21
|
|
|
$1.70
|
|
|
$1.70
|
|
|
$1.63
|
|
|
View
|
|
|
$1.61
|
|
|
$1.57
|
|
|
$1.56
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
3.2 mm x 2.5 mm
|
24 MHz
|
25 PPM
|
15 pF
|
1.62 V
|
1.98 V
|
LVCMOS
|
3.9 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 1.8V, 25MHz, OE, T&R
- SiT1602AI-22-18E-25.000000D
- SiTime
-
3,000:
$1.22
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI2218E25D
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 1.8V, 25MHz, OE, T&R
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
|
$1.22
|
|
|
$1.21
|
|
|
$1.20
|
|
Min.: 3,000
Mult.: 3,000
|
|
3.2 mm x 2.5 mm
|
25 MHz
|
25 PPM
|
15 pF
|
1.62 V
|
1.98 V
|
LVCMOS
|
3.9 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 1.8V, 25MHz, OE, 1k pcs T&R 8 mm
- SiT1602AI-22-18E-25.000000E
- SiTime
-
1,000:
$1.29
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI2218E25E
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 1.8V, 25MHz, OE, 1k pcs T&R 8 mm
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
|
$1.29
|
|
|
$1.24
|
|
|
$1.23
|
|
|
$1.21
|
|
Min.: 1,000
Mult.: 1,000
|
|
3.2 mm x 2.5 mm
|
25 MHz
|
25 PPM
|
15 pF
|
1.62 V
|
1.98 V
|
LVCMOS
|
3.9 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 1.8V, 25MHz, OE, 250 pcs T&R 8 mm
- SiT1602AI-22-18E-25.000000G
- SiTime
-
1:
$2.06
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI2218E25G
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 1.8V, 25MHz, OE, 250 pcs T&R 8 mm
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
|
$2.06
|
|
|
$1.63
|
|
|
$1.45
|
|
|
$1.45
|
|
|
$1.39
|
|
|
View
|
|
|
$1.35
|
|
|
$1.31
|
|
|
$1.29
|
|
Min.: 1
Mult.: 1
|
|
3.2 mm x 2.5 mm
|
25 MHz
|
25 PPM
|
15 pF
|
1.62 V
|
1.98 V
|
LVCMOS
|
3.9 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 1.8V, 50MHz, ST, 1k pcs T&R 8 mm
- SiT1602AI-22-18S-50.000000E
- SiTime
-
1,000:
$1.30
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI2218S5E
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 1.8V, 50MHz, ST, 1k pcs T&R 8 mm
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
|
$1.30
|
|
|
$1.24
|
|
|
$1.23
|
|
|
Quote
|
|
|
Quote
|
|
Min.: 1,000
Mult.: 1,000
|
|
3.2 mm x 2.5 mm
|
50 MHz
|
25 PPM
|
15 pF
|
1.62 V
|
1.98 V
|
LVCMOS
|
3.9 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 2.5V, 25MHz, OE, 1k pcs T&R 8 mm
- SiT1602AI-22-25E-25.000000E
- SiTime
-
1,000:
$1.30
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI2225E2500E
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 2.5V, 25MHz, OE, 1k pcs T&R 8 mm
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
|
$1.30
|
|
|
$1.24
|
|
|
$1.23
|
|
|
Quote
|
|
|
Quote
|
|
Min.: 1,000
Mult.: 1,000
|
|
3.2 mm x 2.5 mm
|
25 MHz
|
25 PPM
|
15 pF
|
2.25 V
|
2.75 V
|
LVCMOS
|
4.2 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 3.3V, 25MHz, OE, 3k pcs T&R 8 mm
- SiT1602AI-22-33E-25.000000D
- SiTime
-
3,000:
$1.22
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI2233E25D
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 3.3V, 25MHz, OE, 3k pcs T&R 8 mm
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
Min.: 3,000
Mult.: 3,000
|
|
3.2 mm x 2.5 mm
|
25 MHz
|
25 PPM
|
15 pF
|
2.97 V
|
3.63 V
|
LVCMOS
|
4.5 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 3.3V, 4MHz, OE, T&R
- SiT1602AI-22-33E-4.000000D
- SiTime
-
3,000:
$1.19
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI2233E4000D
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 3.3V, 4MHz, OE, T&R
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
Min.: 3,000
Mult.: 3,000
|
|
3.2 mm x 2.5 mm
|
4 MHz
|
25 PPM
|
15 pF
|
2.97 V
|
3.63 V
|
LVCMOS
|
4.5 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 3.3V, 4MHz, OE, 250 pcs T&R 8 mm
- SiT1602AI-22-33E-4.000000G
- SiTime
-
1:
$2.04
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI2233E4000G
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 3.3V, 4MHz, OE, 250 pcs T&R 8 mm
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
|
$2.04
|
|
|
$1.63
|
|
|
$1.46
|
|
|
$1.46
|
|
|
$1.40
|
|
|
View
|
|
|
$1.38
|
|
|
$1.33
|
|
|
$1.32
|
|
Min.: 1
Mult.: 1
|
|
3.2 mm x 2.5 mm
|
4 MHz
|
25 PPM
|
15 pF
|
2.97 V
|
3.63 V
|
LVCMOS
|
4.5 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 3.3V, 48MHz, OE, 1k pcs T&R 8 mm
- SiT1602AI-22-33E-48.000000E
- SiTime
-
1,000:
$1.30
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI2233E48E
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 3.3V, 48MHz, OE, 1k pcs T&R 8 mm
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
|
$1.30
|
|
|
$1.25
|
|
|
$1.24
|
|
|
Quote
|
|
|
Quote
|
|
Min.: 1,000
Mult.: 1,000
|
|
3.2 mm x 2.5 mm
|
48 MHz
|
25 PPM
|
15 pF
|
2.97 V
|
3.63 V
|
LVCMOS
|
4.5 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 3.3V, 54MHz, OE, 250 pcs T&R 8 mm
- SiT1602AI-22-33E-54.000000G
- SiTime
-
1:
$2.06
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI2233E54G
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 3.3V, 54MHz, OE, 250 pcs T&R 8 mm
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
|
$2.06
|
|
|
$1.70
|
|
|
$1.63
|
|
|
$1.56
|
|
|
$1.43
|
|
|
View
|
|
|
$1.39
|
|
|
$1.35
|
|
|
$1.27
|
|
Min.: 1
Mult.: 1
|
|
3.2 mm x 2.5 mm
|
54 MHz
|
25 PPM
|
15 pF
|
2.97 V
|
3.63 V
|
LVCMOS
|
4.5 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 3.3V, 50MHz, OE, 1k pcs T&R 8 mm
- SiT1602AI-22-33E-50.000000E
- SiTime
-
1,000:
$1.23
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI2233E5E
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 3.3V, 50MHz, OE, 1k pcs T&R 8 mm
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
|
$1.23
|
|
|
$1.22
|
|
|
Quote
|
|
|
Quote
|
|
Min.: 1,000
Mult.: 1,000
|
|
3.2 mm x 2.5 mm
|
50 MHz
|
25 PPM
|
15 pF
|
2.97 V
|
3.63 V
|
LVCMOS
|
4.5 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 2.25V-3.63V, 27MHz, OE, 250 pcs T&R 8 mm
- SiT1602AI-22-XXE-27.000000G
- SiTime
-
1:
$2.06
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI22XXE2700G
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 2.25V-3.63V, 27MHz, OE, 250 pcs T&R 8 mm
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
|
$2.06
|
|
|
$1.70
|
|
|
$1.63
|
|
|
$1.56
|
|
|
$1.43
|
|
|
View
|
|
|
$1.39
|
|
|
$1.35
|
|
|
$1.27
|
|
Min.: 1
Mult.: 1
|
|
3.2 mm x 2.5 mm
|
27 MHz
|
25 PPM
|
15 pF
|
2.25 V
|
3.63 V
|
LVCMOS
|
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 2.25V-3.63V, 33.33MHz, OE, T&R
- SiT1602AI-22-XXE-33.330000E
- SiTime
-
1,000:
$1.30
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI22XXE3333E
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 25ppm, 2.25V-3.63V, 33.33MHz, OE, T&R
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
|
$1.30
|
|
|
$1.24
|
|
|
$1.23
|
|
Min.: 1,000
Mult.: 1,000
|
|
3.2 mm x 2.5 mm
|
33.33 MHz
|
25 PPM
|
15 pF
|
2.25 V
|
3.63 V
|
LVCMOS
|
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 50ppm, 1.8V, 33.33333MHz, OE, 1k pcs T&R 8 mm
- SiT1602AI-23-18E-33.333330E
- SiTime
-
1,000:
$1.08
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI2318E3330E
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 50ppm, 1.8V, 33.33333MHz, OE, 1k pcs T&R 8 mm
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
|
$1.08
|
|
|
$1.07
|
|
|
$1.06
|
|
|
Quote
|
|
|
Quote
|
|
Min.: 1,000
Mult.: 1,000
|
|
3.2 mm x 2.5 mm
|
33.33333 MHz
|
50 PPM
|
15 pF
|
1.62 V
|
1.98 V
|
LVCMOS
|
3.9 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 50ppm, 3.3V, 25MHz, OE, 3k pcs T&R 8 mm
- SiT1602AI-23-33E-25.000000D
- SiTime
-
3,000:
$1.05
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI2333E2500D
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 50ppm, 3.3V, 25MHz, OE, 3k pcs T&R 8 mm
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
Min.: 3,000
Mult.: 3,000
|
|
3.2 mm x 2.5 mm
|
25 MHz
|
50 PPM
|
15 pF
|
2.97 V
|
3.63 V
|
LVCMOS
|
4.5 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 50ppm, 3.3V, 25MHz, OE, 1k pcs T&R 8 mm
- SiT1602AI-23-33E-25.000000E
- SiTime
-
1,000:
$0.995
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI2333E2500E
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 50ppm, 3.3V, 25MHz, OE, 1k pcs T&R 8 mm
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
|
$0.995
|
|
|
$0.99
|
|
|
$0.955
|
|
|
$0.919
|
|
|
Quote
|
|
|
Quote
|
|
Min.: 1,000
Mult.: 1,000
|
|
3.2 mm x 2.5 mm
|
25 MHz
|
50 PPM
|
15 pF
|
2.97 V
|
3.63 V
|
LVCMOS
|
4.5 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 3225, 50ppm, 3.3V, 25MHz, ST, 1k pcs T&R 8 mm
- SiT1602AI-23-33S-25.000000E
- SiTime
-
1:
$1.67
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI2333S2500E
|
SiTime
|
MEMS Oscillators -40 to 85C, 3225, 50ppm, 3.3V, 25MHz, ST, 1k pcs T&R 8 mm
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
|
$1.67
|
|
|
$1.31
|
|
|
$1.19
|
|
|
$1.13
|
|
|
$1.08
|
|
|
View
|
|
|
$1.03
|
|
|
$1.02
|
|
Min.: 1
Mult.: 1
|
|
3.2 mm x 2.5 mm
|
25 MHz
|
50 PPM
|
15 pF
|
2.97 V
|
3.63 V
|
LVCMOS
|
4.5 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 5032, 25ppm, 3.3V, 12MHz, OE, 250 pcs T&R 12/16 mm
- SiT1602AI-32-33E-12.000000X
- SiTime
-
1:
$2.17
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI3233E1200X
|
SiTime
|
MEMS Oscillators -40 to 85C, 5032, 25ppm, 3.3V, 12MHz, OE, 250 pcs T&R 12/16 mm
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
|
$2.17
|
|
|
$1.79
|
|
|
$1.71
|
|
|
$1.64
|
|
|
$1.52
|
|
|
View
|
|
|
$1.46
|
|
|
$1.42
|
|
|
$1.34
|
|
Min.: 1
Mult.: 1
|
|
5 mm x 3.2 mm
|
12 MHz
|
25 PPM
|
15 pF
|
2.97 V
|
3.63 V
|
LVCMOS
|
4.5 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
|
|
MEMS Oscillators -40 to 85C, 5032, 25ppm, 3.3V, 32.768MHz, OE, T&R
- SiT1602AI-32-33E-32.768000Y
- SiTime
-
1,000:
$1.36
-
Non-Stocked Lead-Time 6 Weeks
|
Mouser Part No
788-1602AI3233E3276Y
|
SiTime
|
MEMS Oscillators -40 to 85C, 5032, 25ppm, 3.3V, 32.768MHz, OE, T&R
|
|
Non-Stocked Lead-Time 6 Weeks
|
|
|
$1.36
|
|
|
$1.31
|
|
|
$1.30
|
|
|
$1.29
|
|
|
Quote
|
|
|
Quote
|
|
Min.: 1,000
Mult.: 1,000
|
|
5 mm x 3.2 mm
|
32.768 MHz
|
25 PPM
|
15 pF
|
2.97 V
|
3.63 V
|
LVCMOS
|
4.5 mA
|
- 40 C
|
+ 85 C
|
|
SiT1602A
|
|
Singapore