QUARTZ CRYSTALS
River Eletec Corporation produce the world’s smallest smd precision quartz crystals with sizes from (1.2 x 1.0)mm and 0.33mm in height. Packaged in ceramic and metal vacuum sealed packages for ultimate reliability with a high resistance to mechanical shock and vibration due to their low mass. Frequencies range from the ubiquitous 32.768kHz to 80MHz for fundamental designs. Continuous research and product development maintains the leadership in quality and minimal size together with exceptional customer support.
Precision quartz crystals, high stability HI-REL quartz crystals, SC cut, BT cut, IT cut and AT cut crystals, miniature precision crystals, HC-43/U, HC-26/U, low profile miniature smd crystals, low phase noise SC cut quartz crystals, low ageing crystals, low phase noise. Glass, resist weld and cold weld cases, vacuum sealed.
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| TYPE | BASIC SPECIFICATION | FREQUENCY | DATA | IMAGE |
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| TFX-02S | (3.2 x 1.5)mm, Height 0.8mm Tuning fork crystal, weight 10.6mg seam sealing method tolerance from ±10ppm(-40 +85)°C |
32.768kHz |  |
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| TFX-03 | (2.0 x 1.2)mm, Height 0.6mm Tuning fork crystal tolerance from ±10ppm(-40 +85)°C |
32.768kHz | |
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| TFX-03L | (2.0 x 1.2)mm, Height 0.38mm Tuning fork crystal, tolerance from ±10ppm(-40 +85)°C |
32.768kHz | |
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| TFX-04 | (1.6 x 1.0)mm, Height 0.45mm Tuning fork crystal, tolerance from ±10ppm(-40 +85)°C |
32.768kHz | |
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| FCX-03 | (5.0 x 3.2)mm, Height 1.5mm smd crystal, AT cut, fundamental, weight 0.06g accuracy from ±10ppm |
(8 ~ 60)MHz | |
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| FCX-04 | (3.2 x 2.5)mm, Height 0.9mm smd crystal, AT cut, fundamental, weight 0.02g accuracy from ±10ppm |
(16 ~ 60)MHz | |
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| FCX-04C | (3.2 x 2.5)mm, Height 0.7mm smd crystal, AT cut, fundamental, weight 0.06g accuracy from ±10ppm |
(10 ~ 60)MHz | |
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| FCX-05 | (2.5 x 2.0)mm, Height 0.6mm smd crystal, AT cut, fundamental tolerance from ±10ppm |
(12 ~ 80)MHz | |
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| FCX-06 | (2.0 x 1.6)mm, Height 0.5mm smd crystal, AT cut, fundamental, weight 5.6mg accuracy from ±10ppm |
(18 ~ 80)MHz | |
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| FCX-07 | (1.6 x 1.2)mm, Height 0.45mm smd crystal, AT cut, fundamental, weight 3.3mg accuracy from ±10ppm |
(24 ~ 80)MHz | |
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| FCX-08 | (1.2 x 1.0)mm, Height 0.33mm smd crystal, AT cut, fundamental, tolerance from ±7ppm * Can meet with AEC-Q200 standard * Suitable for Automotive Applications |
(36 ~ 80)MHz | |
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| FCX-07L | (1.6 x 1.2)mm, Height 0.35mm smd crystal, AT cut, fundamental tolerance from ±10ppm |
(26 ~ 80)MHz | |
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| TYPE | BASIC SPECIFICATION | FREQUENCY | DATA | IMAGE |
| SC cut technical notes | quartz crystals "SC cut family of quartz crystals" - technical notes | ---- | |
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| monocrystalline quartz technical notes | piezoelectricity "Mono-crystalline quartz, the piezoelectric effect" - technical notes | ---- | |
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| TC26 - TC38 | Dia (2.0)mm, Height TC-26:6.0mm Dia (3.12)mm, Height TC-38:8.3mm watch crystal cylindrical case - flexure mode ±30ppm at +25°C, -0.042ppm/°C² (-10 +60)°C standard load 12.5pF |
32.768kHz | |
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| Precision crystal units | (7.9 x 3.2)mm, Height UM1:8.1mm (7.9 x 3.2)mm, Height UM5:6.0mm (11.05 x 4.65)mm, Height HC49:13.46mm Precision crystal units resistance weld packages calibration tolerance from 5ppm temperature tolerance from±3ppm |
(8 ~ 250)MHz | |
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| HC-47/U | (19.43 x 9.14)mm, Height 19.70mm HC-47/U cold weld quartz crystal AT cut |
(2 ~ 125)MHz | |
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| Low frequency crystal units | (7.9 x 3.2)mm, Height UM1:8.1mm (19.0 x 8.7)mm, Height HC51:19.5mm (11.05 x 4.65)mm, Height HC49:13.46mm Low frequency crystal units calibration tolerance from ±100ppm temperature tolerance from±100ppm |
100kHz ~ 1.8432MHz | |
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| HC-26/U glass | (13.46 x 4.65)mm, Height 10.40mm HC-26 glass precision crystal units, very low ageing calibration tolerance from ±2ppm temperature tolerance from±3ppm AT cut, SC cut, IT cut |
(3 ~ 200)MHz | |
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| HC-43/U | (11.05 x 4.65)mm, Height 13.46mm HC-43/U cold weld quartz crystal AT cut, SC cut, IT cut |
(6 ~ 220)MHz | |
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| HC-43-T | (11.05 x 4.65)mm, Height 10.25mm HC-43-T reduced profile cold weld crystal AT cut, SC cut, IT cut |
(6 ~ 220)MHz | |
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| HC-49/U | (11.05 x 4.50)mm, Height 13.46mm HC-49/U resistance weld quartz crystal, AT cut |
(3 ~ 220)MHz | |
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| XO - XI | (11.05 x 4.65)mm, Height XO:2.5mm, XI:3.51mm Low profile resistance weld crystal units calibration tolerance from ±5ppm temperature tolerance from ±5ppm |
(3.5 ~ 90)MHz | |
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| HC-45/U | (8.13 x 3.30)mm, Height 8.64mm HC-45/U miniature cold weld precision quartz crystal AT cut, SC cut, IT cut |
(8 ~ 220)MHz | |
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| UM-1 | (7.9 x 3.2)mm, Height 8.1mm UM-1 miniature resistance weld crystal AT cut, SC cut, lead pre-form and variations |
(6 ~ 220)MHz | |
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| UM-5 | (7.9 x 3.2)mm, Height 6.0mm UM-5 resistance weld quartz crystal AT cut, SC cut, IT cut, pre-form lead variations |
(13 ~ 220)MHz | |
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| UM-1 slimline | (7.50 x 2.6)mm, Height 8.1mm UM-1 ultra slim resistance weld crystal AT cut, SC cut, IT cut |
(6 ~ 220)MHz | |
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| UM-4 | (7.9 x 3.2)mm, Height 4.7mm UM-4 resistance weld quartz crystal, AT cut |
(15 ~ 120)MHz | |
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| LT-4 | (6.16 x 2.38)mm, Height 4.40mm LT-4 subminiature crystal calibration tolerance from ±10ppm temperature tolerance from ±3ppm |
(24 ~ 200)MHz | |
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| HC-37/U | Dia (15.36)mm, Height 6.65mm, 4.40mm, 3.912mm HC-37/U ultra precision cold weld quartz crystal AT cut, SC cut, IT cut, Available in three heights |
(6 ~ 120)MHz | |
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| HC-35/U | Dia (5.08)mm, Height 6.75mm HC-35/U cold weld precision crystal units calibration tolerance from ±5ppm temperature tolerance from±3ppm suitable for very high shock and vibration applications |
(5 ~ 200)MHz | |
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| TYPE | BASIC SPECIFICATION | FREQUENCY | DATA | IMAGE |
| CM200S | (8.0 x 3.4)mm, Height 2.5mm smd watch crystal low profile plastic package, flexure mode |
32.768kHz | |
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| XD | (2.0 x 1.2)mm, Height XD21:0.6mm (3.2 x 1.5)mm, Height XD31:0.9mm (4.2 x 1.5)mm, Height XD41:0.9mm XD series smd watch crystal ultra low profile ceramic package, vacuum seal |
32.768kHz | |
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| MG3A | (13.10 x 5.0)mm, Height 5.0mm smd quartz crystal, encapsulated cold weld package AT and BT cut, automotive reliability standard and custom frequencies |
(3.579 ~ 90)MHz | |
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| CM309S | (12.5 x 4.6)mm, Height 3.7mm smd quartz crystal AT cut low profile encapsulated, standard specification |
(3.50 ~ 70)MHz | |
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| 49SXF | (11.4 x 5.0)mm, Height 15.2mm smd HC-49/U crystal assembly AT cut and BT cut |
(1.8 ~ 250)MHz | |
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| 49SX | (11.4 x 5.0)mm, Height SXK:5.2 mm, SXT:4.2 mm low profile resistance weld smd crystal AT and BT cut, automotive reliability standard and custom frequencies |
(3.2 ~ 90)MHz | |
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| XP - XJ | (11.4 x 4.7)mm, Height XP:2.35mm, XJ:3.6mm low profile smd crystal, AT and BT cut standard and custom frequencies |
(3.5 ~ 90)MHz | |
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| SMX-8 | (8.10 x 7.08)mm, Height 2.3mm SMX-8 smd ceramic kovar AT cut crystal |
(6 ~ 220)MHz | |
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| SMP-8 | (8.10 x 7.08)mm, Height 2.3mm SMP-8 smd ceramic kovar braze seal crystal AT cut, SC cut, IT cut |
(8 ~ 130)MHz | |
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| XC | (7.0 x 5.0)mm, Height 1.2mm smd sub-miniature crystal ceramic metal package |
(8 ~100)MHz | |
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| XR | (6.0 x 3.5)mm, Height 1.0mm sub-miniature smd crystal tight tolerance, ceramic metal package |
(9.60 ~ 125)MHz | |
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| XS | (5.0 x 3.2)mm, Height 1.4mm, two pads sub-miniature smd crystal ceramic package, glass seal |
(10 ~ 50)MHz fundamental | |
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| XV | (5.0 x 3.2)mm, Height 0.9mm sub-miniature smd crystal ceramic metal package, tight tolerance |
(8 ~ 400)MHz fundamental | |
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| XX | (3.2 x 2.5)mm, Height 0.7mm sub miniature smd quartz crystal ultra thin smd crystal, ceramic package, vacuum seal |
(12 ~ 400)MHz fundamental | |
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| XY | (2.5 x 2.0)mm, Height 0.6mm micro miniature smd quartz crystal ultra thin, ceramic package, vacuum seal |
(16 ~ 54)MHz fundamental | |
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| XZ | (2.05 x 1.65)mm, Height 0.45mm micro miniature smd quartz crystal ultra thin, ceramic package, vacuum seal |
(20 ~ 50)MHz | |
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| XT | (1.65 x 1.25)mm, Height 0.30mm micro miniature smd quartz crystal ultra thin, ceramic package, vacuum seal |
(24 ~ 54)MHz | |
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