- Series :
-
- Cree XBD (1)
- Cree XTE (1)
- Cree XTE-HV (1)
- CSM-360 (11)
- Elara Moon (1)
- Finger-128D (1)
- Finger-RT30B (2)
- Finger-RT32B (2)
- Finger-SQ30B (2)
- LC060D (7)
- LC080D (7)
- LT-H284A (1)
- LT-M282C Gen3 (2)
- LT-M552F (2)
- LT-M552G (2)
- LT-M552H (2)
- LT-M562C Gen3 (2)
- LT-M562F (1)
- LT-M562G (1)
- LT-M562H (1)
- LT-MB22C (2)
- LT-VB22B (2)
- LUXEON CoB Core Range (1)
- Round-090C (2)
- Round-110C (2)
- Round-130B (1)
- Round-130C (2)
- Round-62B (1)
- Round-90B (1)
- XLamp® CMA1516 (21)
- XLamp® CMA1825 (21)
- XLamp® CMA1840 (21)
- XLamp® CMA2550 (20)
- XLamp® CMA3090 (40)
- Xlamp® CXB1304 (6)
- Xlamp® CXB1310 (8)
- Xlamp® CXB1507 (9)
- Xlamp® XHP35 (1)
- XLamp® XP-E (1)
- XLamp® XP-L (1)
- Part Status :
- Size / Dimension :
-
- 110.00mm Diameter (2)
- 1120.00mm L x 18.00mm W (4)
- 12.70mm L x 12.70mm W (1)
- 13.35mm L x 13.35mm W (14)
- 130.00mm Dia (1)
- 130.00mm Diameter (2)
- 15.85mm L x 15.85mm W (30)
- 17.85mm L x 17.85mm W (42)
- 19.89mm Diameter (2)
- 19.90mm Diameter (5)
- 19.90mm L x 19.90mm W (1)
- 216.00mm L x 273.00mm W (4)
- 23.85mm L x 23.85mm W (20)
- 250.00mm L x 523.00mm W (1)
- 259.00mm L x 250.00mm W (2)
- 27.35mm L x 27.35mm W (40)
- 275.00mm L x 18.00mm W (2)
- 28.00mm L x 28.00mm W (14)
- 280.00mm L x 40.00mm W (1)
- 36.00mm L x 51.00mm W (11)
- 560.00mm L x 18.00mm W (11)
- 62.00mm Diameter (1)
- 76.20mm Diameter (1)
- 90.00mm Diameter (3)
- Configuration :
- Voltage - Forward (Vf) (Typ) :
- CCT (K) :
-
- 2700K (5)
- 2700K 2-Step MacAdam Ellipse (23)
- 2700K 3-Step MacAdam Ellipse (13)
- 2700K 4-Step MacAdam Ellipse (1)
- 2700K 5-Step MacAdam Ellipse (1)
- 2700K ~ 3000K (3)
- 2850K (1)
- 3000K (27)
- 3000K 2-Step MacAdam Ellipse (31)
- 3000K 3-Step MacAdam Ellipse (43)
- 3000K 4-Step MacAdam Ellipse (3)
- 3000K 5-Step MacAdam Ellipse (6)
- 3100K 3-Step MacAdam Ellipse (8)
- 3500K (10)
- 3500K 2-Step MacAdam Ellipse (14)
- 3500K 3-Step MacAdam Ellipse (23)
- 3500K 4-Step MacAdam Ellipse (3)
- Flux @ Current/Temperature - Test :
-
- 100 lm (Typ) (1)
- 1000 lm (Typ) (1)
- 1020 lm (Typ) (1)
- 10360 lm (Typ) (4)
- 104 lm (100 lm ~ 107 lm) (1)
- 1050 lm (Typ) (2)
- 1060 lm (868 lm ~ 1357 lm) (2)
- 10612 lm (Typ) (2)
- 1070 lm (Typ) (1)
- 1100 lm (Typ) (1)
- 11021 lm (Typ) (2)
- 1120 lm (Typ) (1)
- 1124 lm (Typ) (2)
- 11246 lm (Typ) (2)
- 11264 lm (Typ) (2)
- 11270 lm (Typ) (1)
- 11533 lm (Typ) (2)
- 11720 lm (Typ) (5)
- 1191 lm (Typ) (2)
- 12070 lm (Typ) (4)
- 12084 lm (Typ) (1)
- 1220 lm (Typ) (1)
- 12372 lm (Typ) (2)
- 1239 lm (Typ) (1)
- 1240 lm (Typ) (1)
- 1310 lm (Typ) (1)
- 1330 lm (Typ) (2)
- 1350 lm (Typ) (1)
- 1380 lm (Typ) (1)
- 1420 lm (Typ) (2)
- 1450 lm (Typ) (2)
- 1480 lm (Typ) (1)
- 1508 lm (Typ) (1)
- 1529 lm (Typ) (1)
- 1580 lm (1)
- 1593 lm (Typ) (2)
- 1605 lm (1)
- 1660 lm (Typ) (1)
- 1700 lm (Typ) (1)
- 1703 lm (Typ) (1)
- 1736 lm (Typ) (2)
- 1818 lm (Typ) (5)
- 1820 lm (Typ) (1)
- 1900 lm (Typ) (2)
- 1925 lm (1750 lm ~ 2100 lm) (3)
- 2050 lm (Typ) (1)
- 2063 lm (Typ) (2)
- 2080 lm (Typ) (1)
- 2150 lm (Typ) (3)
- 2214 lm (Typ) (2)
- 2270 lm (Typ) (1)
- 2300 lm (2100 lm ~ 2500 lm) (3)
- 2364 lm (Typ) (1)
- 2450 lm (1)
- 2497 lm (Typ) (2)
- 2535 lm (1)
- 2575 lm (1)
- 2670 lm (Typ) (1)
- 2720 lm (Typ) (2)
- 2849 lm (Typ) (5)
- 2979 lm (Typ) (2)
- 3234 lm (Typ) (2)
- 3330 lm (Typ) (1)
- 3370 lm (Typ) (4)
- 3471 lm (Typ) (2)
- 350 lm (340 lm ~ 360 lm) (1)
- 351 lm (Typ) (2)
- 3557 lm (Typ) (1)
- 3717 lm (Typ) (1)
- 372 lm (Typ) (1)
- 3926 lm (Typ) (2)
- 4090 lm (Typ) (1)
- 4199 lm (Typ) (1)
- 4220 lm (Typ) (1)
- 425 lm (Typ) (3)
- 4278 lm (Typ) (2)
- 4481 lm (Typ) (5)
- 450 lm (Typ) (1)
- 458 lm (440 lm ~ 475 lm) (1)
- 4685 lm (Typ) (2)
- 4805 lm (Typ) (1)
- 5070 lm (1)
- 5075 lm (Typ) (2)
- 5086 lm (Typ) (2)
- 5150 lm (1)
- 5300 lm (Typ) (3)
- 5427 lm (Typ) (1)
- 5458 lm (Typ) (2)
- 5530 lm (Typ) (2)
- 5595 lm (Typ) (1)
- 5792 lm (Typ) (5)
- 6055 lm (Typ) (2)
- 625 lm (600 lm ~ 650 lm) (1)
- 6573 lm (Typ) (2)
- 6850 lm (Typ) (3)
- 7054 lm (Typ) (2)
- 714 lm (Typ) (1)
- 7277 lm (Typ) (2)
- 730 lm (Typ) (1)
- 757 lm (Typ) (1)
- 7667 lm (Typ) (2)
- 788 lm (Typ) (1)
- 7904 lm (Typ) (2)
- 8220 lm (Typ) (2)
- 8284 lm (Typ) (1)
- 84 lm (81 lm ~ 87 lm) (1)
- 8682 lm (Typ) (4)
- 870 lm (Typ) (4)
- 905 lm (Typ) (1)
- 9099 lm (Typ) (5)
- 9286 lm (Typ) (2)
- 9461 lm (Typ) (4)
- 9909 lm (Typ) (3)
- Lumens/Watt @ Current - Test :
-
- 100 lm/W (1)
- 101 lm/W (8)
- 103 lm/W (5)
- 104 lm/W (1)
- 105 lm/W (1)
- 106 lm/W (3)
- 107 lm/W (4)
- 108 lm/W (2)
- 109 lm/W (1)
- 110 lm/W (4)
- 112 lm/W (9)
- 113 lm/W (1)
- 114 lm/W (2)
- 115 lm/W (6)
- 116 lm/W (5)
- 117 lm/W (7)
- 118 lm/W (8)
- 120 lm/W (2)
- 121 lm/W (9)
- 122 lm/W (8)
- 123 lm/W (4)
- 125 lm/W (1)
- 126 lm/W (2)
- 127 lm/W (5)
- 128 lm/W (3)
- 130 lm/W (2)
- 131 lm/W (4)
- 132 lm/W (1)
- 133 lm/W (4)
- 134 lm/W (2)
- 137 lm/W (8)
- 138 lm/W (7)
- 139 lm/W (9)
- 141 lm/W (3)
- 142 lm/W (2)
- 143 lm/W (5)
- 144 lm/W (8)
- 145 lm/W (3)
- 147 lm/W (2)
- 148 lm/W (5)
- 149 lm/W (2)
- 150 lm/W (1)
- 151 lm/W (2)
- 152 lm/W (1)
- 153 lm/W (3)
- 198 lm/W (1)
- 47 lm/W (3)
- 52 lm/W (2)
- 56 lm/W (3)
- 80 lm/W (1)
- 87 lm/W (1)
- 89 lm/W (2)
- 91 lm/W (1)
- 92 lm/W (1)
- 93 lm/W (1)
- 94 lm/W (1)
- 95 lm/W (3)
- 96 lm/W (1)
- 97 lm/W (1)
- 98 lm/W (4)
- 99 lm/W (3)
- Lens Type :
216 products
IMAGE | PART NO. | PRICE (reference only) | QUANTITY | STOCK | MANUFACTURE | DESCRIPTION | Series | Part Status | Color | Packaging | Size / Dimension | Features | Type | Height | Configuration | Current - Max | Current - Test | Voltage - Forward (Vf) (Typ) | Viewing Angle | CCT (K) | Flux @ Current/Temperature - Test | Temperature - Test | Lumens/Watt @ Current - Test | CRI (Color Rendering Index) | Light Emitting Surface (LES) | Lens Type | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
GET PRICE |
949
Ships today + free overnight shipping
|
LED Engin Inc. | LED EMITTER WHT 1060LM 1CH MCPCB | - | Obsolete | White, Warm | - | 19.90mm Diameter | - | LED Module | 5.50mm | Starboard | 800mA | 700mA | 29.1V | 115° | 3000K | 1060 lm (868 lm ~ 1357 lm) | 25°C | 52 lm/W | 95 | 6.20mm Diameter | Domed | |||
|
GET PRICE |
2,490
Ships today + free overnight shipping
|
LED Engin Inc. | LED EMITTER WHT 1060LM 1CH MCPCB | - | Obsolete | White, Warm | - | 19.90mm Diameter | - | LED Module | 5.50mm | Starboard | 800mA | 700mA | 29.1V | 115° | 3000K | 1060 lm (868 lm ~ 1357 lm) | 25°C | 52 lm/W | 95 | 6.20mm Diameter | Domed | |||
|
GET PRICE |
3,795
Ships today + free overnight shipping
|
Luminus Devices Inc. | BIG CHIP LED HB MOD WHITE 1750LM | CSM-360 | Obsolete | White, Warm | - | 36.00mm L x 51.00mm W | With Connector | LED Module | 5.61mm | Rectangle | 6.3A | 3.15A | 13.14V | 115° | 2700K ~ 3000K | - | 40°C | - | 83 (Typ) | 16.00mm Diameter | Domed | |||
|
2,976
Ships today + free overnight shipping
|
LED MCPCB 9LED ROUND WHITE 009E7 | XLamp® XP-E | Discontinued at Digi-Key | White, Warm | - | 76.20mm Diameter | - | LED Module | - | Round | 1A | 350mA | 3.2V | 115° | 3000K | - | - | - | - | 2.60mm Diameter | Domed | |||||
|
1,833
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA3090 | Active | White, Warm | - | 27.35mm L x 27.35mm W | - | Chip On Board (COB) | 1.70mm | Square | 2.4A | 1.2A | 68V | 115° | 3500K 3-Step MacAdam Ellipse | 10360 lm (Typ) | 85°C | 127 lm/W | 90 | 23.00mm Diameter | Flat | ||||
|
2,220
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA3090 | Active | White, Warm | - | 27.35mm L x 27.35mm W | - | Chip On Board (COB) | 1.70mm | Square | 2.4A | 1.2A | 68V | 115° | 3100K 3-Step MacAdam Ellipse | 9099 lm (Typ) | 85°C | 112 lm/W | 90 | 23.00mm Diameter | Flat | ||||
|
3,290
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA3090 | Active | White, Warm | - | 27.35mm L x 27.35mm W | - | Chip On Board (COB) | 1.70mm | Square | 2.4A | 1.2A | 68V | 115° | 3000K 3-Step MacAdam Ellipse | 9099 lm (Typ) | 85°C | 112 lm/W | 90 | 23.00mm Diameter | Flat | ||||
|
2,907
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA3090 | Active | White, Warm | - | 27.35mm L x 27.35mm W | - | Chip On Board (COB) | 1.70mm | Square | 2.4A | 1.2A | 68V | 115° | 2700K 2-Step MacAdam Ellipse | 9461 lm (Typ) | 85°C | 116 lm/W | 90 | 23.00mm Diameter | Flat | ||||
|
3,504
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA3090 | Active | White, Warm | - | 27.35mm L x 27.35mm W | - | Chip On Board (COB) | 1.70mm | Square | 2.4A | 1.2A | 68V | 115° | 3500K 3-Step MacAdam Ellipse | 12070 lm (Typ) | 85°C | 148 lm/W | 80 | 23.00mm Diameter | Flat | ||||
|
2,084
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA3090 | Active | White, Warm | - | 27.35mm L x 27.35mm W | - | Chip On Board (COB) | 1.70mm | Square | 2.4A | 1.2A | 68V | 115° | 3000K 3-Step MacAdam Ellipse | 11720 lm (Typ) | 85°C | 144 lm/W | 80 | 23.00mm Diameter | Flat | ||||
|
1,744
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA3090 | Active | White, Warm | - | 27.35mm L x 27.35mm W | - | Chip On Board (COB) | 1.70mm | Square | 2.4A | 1.2A | 68V | 115° | 2700K 2-Step MacAdam Ellipse | 11264 lm (Typ) | 85°C | 138 lm/W | 80 | 23.00mm Diameter | Flat | ||||
|
1,144
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA3090 | Active | White, Warm | - | 27.35mm L x 27.35mm W | - | Chip On Board (COB) | 1.70mm | Square | 3.6A | 1.8A | 45V | 115° | 3500K 3-Step MacAdam Ellipse | 10360 lm (Typ) | 85°C | 128 lm/W | 90 | 23.00mm Diameter | Flat | ||||
|
928
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA3090 | Active | White, Warm | - | 27.35mm L x 27.35mm W | - | Chip On Board (COB) | 1.70mm | Square | 3.6A | 1.8A | 45V | 115° | 3100K 3-Step MacAdam Ellipse | 9099 lm (Typ) | 85°C | 112 lm/W | 90 | 23.00mm Diameter | Flat | ||||
|
2,361
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA3090 | Active | White, Warm | - | 27.35mm L x 27.35mm W | - | Chip On Board (COB) | 1.70mm | Square | 3.6A | 1.8A | 45V | 115° | 3000K 3-Step MacAdam Ellipse | 9099 lm (Typ) | 85°C | 112 lm/W | 90 | 23.00mm Diameter | Flat | ||||
|
2,519
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA3090 | Active | White, Warm | - | 27.35mm L x 27.35mm W | - | Chip On Board (COB) | 1.70mm | Square | 3.6A | 1.8A | 45V | 115° | 3000K 3-Step MacAdam Ellipse | 9099 lm (Typ) | 85°C | 112 lm/W | 90 | 23.00mm Diameter | Flat | ||||
|
838
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA3090 | Active | White, Warm | - | 27.35mm L x 27.35mm W | - | Chip On Board (COB) | 1.70mm | Square | 3.6A | 1.8A | 45V | 115° | 3000K 3-Step MacAdam Ellipse | 9909 lm (Typ) | 85°C | 122 lm/W | 90 | 23.00mm Diameter | Flat | ||||
|
2,109
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA3090 | Active | White, Warm | - | 27.35mm L x 27.35mm W | - | Chip On Board (COB) | 1.70mm | Square | 3.6A | 1.8A | 45V | 115° | 2700K 2-Step MacAdam Ellipse | 9461 lm (Typ) | 85°C | 117 lm/W | 90 | 23.00mm Diameter | Flat | ||||
|
1,683
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA3090 | Active | White, Warm | - | 27.35mm L x 27.35mm W | - | Chip On Board (COB) | 1.70mm | Square | 3.6A | 1.8A | 45V | 115° | 3500K 3-Step MacAdam Ellipse | 12070 lm (Typ) | 85°C | 149 lm/W | 80 | 23.00mm Diameter | Flat | ||||
|
612
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA3090 | Active | White, Warm | - | 27.35mm L x 27.35mm W | - | Chip On Board (COB) | 1.70mm | Square | 3.6A | 1.8A | 45V | 115° | 3000K 3-Step MacAdam Ellipse | 11720 lm (Typ) | 85°C | 145 lm/W | 80 | 23.00mm Diameter | Flat | ||||
|
3,283
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA3090 | Active | White, Warm | - | 27.35mm L x 27.35mm W | - | Chip On Board (COB) | 1.70mm | Square | 3.6A | 1.8A | 45V | 115° | 2700K 2-Step MacAdam Ellipse | 11246 lm (Typ) | 85°C | 139 lm/W | 80 | 23.00mm Diameter | Flat | ||||
|
699
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA2550 | Active | White, Warm | - | 23.85mm L x 23.85mm W | - | Chip On Board (COB) | 1.70mm | Square | 3.3A | 1.4A | 34V | 115° | 3000K 2-Step MacAdam Ellipse | 5075 lm (Typ) | 85°C | 107 lm/W | 95 | 19.00mm Diameter | Flat | ||||
|
1,629
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA2550 | Active | White, Warm | - | 23.85mm L x 23.85mm W | - | Chip On Board (COB) | 1.70mm | Square | 3.3A | 1.4A | 34V | 115° | 3500K 2-Step MacAdam Ellipse | 5427 lm (Typ) | 85°C | 114 lm/W | 95 | 19.00mm Diameter | Flat | ||||
|
2,055
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA2550 | Active | White, Warm | - | 23.85mm L x 23.85mm W | - | Chip On Board (COB) | 1.70mm | Square | 3.3A | 1.4A | 34V | 115° | 3000K 2-Step MacAdam Ellipse | 5075 lm (Typ) | 85°C | 107 lm/W | 95 | 19.00mm Diameter | Flat | ||||
|
3,434
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA2550 | Active | White, Warm | - | 23.85mm L x 23.85mm W | - | Chip On Board (COB) | 1.70mm | Square | 3.3A | 1.4A | 34V | 115° | 2700K 2-Step MacAdam Ellipse | 4805 lm (Typ) | 85°C | 101 lm/W | 95 | 19.00mm Diameter | Flat | ||||
|
1,462
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA2550 | Active | White, Warm | - | 23.85mm L x 23.85mm W | - | Chip On Board (COB) | 1.70mm | Square | 3.3A | 1.4A | 34V | 115° | 3000K 2-Step MacAdam Ellipse | 6850 lm (Typ) | 85°C | 144 lm/W | 80 | 19.00mm Diameter | Flat | ||||
|
3,987
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA1840 | Active | White, Warm | - | 17.85mm L x 17.85mm W | - | Chip On Board (COB) | 1.70mm | Square | 2.3A | 1.1A | 34.7V | 115° | 3000K 2-Step MacAdam Ellipse | 3926 lm (Typ) | 85°C | 103 lm/W | 95 | 14.00mm Diameter | Flat | ||||
|
1,243
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA1840 | Active | White, Warm | - | 17.85mm L x 17.85mm W | - | Chip On Board (COB) | 1.70mm | Square | 2.3A | 1.1A | 34.7V | 115° | 3500K 2-Step MacAdam Ellipse | 4199 lm (Typ) | 85°C | 110 lm/W | 95 | 14.00mm Diameter | Flat | ||||
|
3,283
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA1840 | Active | White, Warm | - | 17.85mm L x 17.85mm W | - | Chip On Board (COB) | 1.70mm | Square | 2.3A | 1.1A | 34.7V | 115° | 3000K 2-Step MacAdam Ellipse | 3926 lm (Typ) | 85°C | 103 lm/W | 95 | 14.00mm Diameter | Flat | ||||
|
3,029
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA1840 | Active | White, Warm | - | 17.85mm L x 17.85mm W | - | Chip On Board (COB) | 1.70mm | Square | 2.3A | 1.1A | 34.7V | 115° | 2700K 2-Step MacAdam Ellipse | 3717 lm (Typ) | 85°C | 97 lm/W | 95 | 14.00mm Diameter | Flat | ||||
|
2,491
Ships today + free overnight shipping
|
Cree Inc. | XLAMP CMA LIGHT EMITTING DIODE W | XLamp® CMA1840 | Active | White, Warm | - | 17.85mm L x 17.85mm W | - | Chip On Board (COB) | 1.70mm | Square | 2.3A | 1.1A | 34.7V | 115° | 3000K 2-Step MacAdam Ellipse | 5300 lm (Typ) | 85°C | 139 lm/W | 80 | 14.00mm Diameter | Flat |