- 您現(xiàn)在的位置：買(mǎi)賣(mài)IC網(wǎng) > PDF目錄370442 > HC494H (Electronic Theatre Controls, Inc.) HC49/4H Crystals PDF資料下載
參數(shù)資料
| 型號(hào)： | HC494H |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | HC49/4H Crystals |
| 中文描述： | HC49/4H晶體 |
| 文件頁(yè)數(shù)： | 1/3頁(yè) |
| 文件大?。?/td> | 39K |
| 代理商： | HC494H |
Outline in mm - HC49/4H & HC49/4H-3L
4
Typical Frequency vs Temperature Curves
for various angles of AT-cut crystals
Typical Frequency vs Temperature Curves
for various angles of BT-cut crystals
Eur
Am
HC49/4H Crystals
L
Q
Europe Tel: +44 (0)1460 270200 Fax: +44 (0)1460 72578
Americas Tel: +1 919 941 9333 Fax: +1 919 941 9371
Website: www.cmac.com/mt/
1
Asia Tel: +86 (21) 6468 6663 Fax: +86 (21) 6428 2466
ISSUE 11; 13 MAY 2004
Delivery Options
I
Common frequencies maybe available from stock
I
Lower height holders available please contact sales
office
Holder Style
I
HC49/4H crystals are resistance welded, hermetically
sealed in an inert atmosphere with glass to metal seals
securing the lead wires
I
Holders suffixed ‘–3L have a centre third wire which
grounds the case
General Specifications
I
Load Capacitance (CL): 10pF to 75pF or Series
I
Drive Level: 500μW max.
I
Static Capacitance (C0): 7pF max.
I
Ageing: ±5ppm typical per year, ±1ppm available on
request
Standard Frequency Tolerances and Stabilities
I
±10ppm, ±20ppm, ±30ppm, ±50ppm, ±100ppm, tighter
tolerances and stabilites available on request.
Operating Temperature Ranges
I
0 to 50°C
–30 to 80°C
–10 to 60°C
–40 to 90°C
–20 to 70°C
–55 to 105°C
Storage Temperature Range
I
–55 to 125°C
Environmental Specification
I
Shock: 981m/s
-2
for 6ms, three shocks in each
direction along three mutually perpendicular planes
I
Vibration: 10 to 60Hz 0.75mm displacement, 60 to
500Hz 98.1m/s
-2
acceleration, 30 minutes in each of
three mutually perpendicular planes
Marking
I
Frequency only
Minimum Order Information Required
I
Frequency + Holder + Frequency Tolerance @ 25°C +
Frequency Stability + Operating Temperature Range +
Circuit Condition + Overtone Order + Tape & Reel
Packaging Available
–25
Temperature (°C)
–50
0
+25
+100
+25
+70
–20
f
–50
Temperature (°C)
–50
+10
+100
+25
+70
–20
0
f
1
4.88±0.2
4
11.05 max
0.45
Pin connecitons
1. Crystal
2. Case & ground
3. Crystal
4
4
11.05
1
4.88±0.2
0.45
= =
1 2 3
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HC49 | Voltage Regulator IC; Output Current:1A; Output Voltage:9V; Package/Case:3-TO-220; Voltage Regulator Type:Positive Voltage; Mounting Type:Through Hole; Supply Voltage:35V |
| HC49 | ECM Standard Crystal |
| HC5519 | SLIC Subscriber Line Interface Circuit |
| HC5519CQ | SLIC Subscriber Line Interface Circuit |
| HC5520 | resistor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HC49-4H | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:SURFACE MOUNT QUARTZ CRYSTALS |
| HC49-4H/351DF | 制造商:GOLLEDGE 制造商全稱(chēng):GOLLEDGE 功能描述:Low Profile Crystal |
| HC49-4HL | 制造商:EUROQUARTZ 制造商全稱(chēng):EUROQUARTZ limited 功能描述:Low-cost, industry-standard crystal unit |
| HC494HSMX14.318 | 制造商:IQD Frequency Products 功能描述:CRYSTAL RESONATOR |
| HC494HSMX-16.0 | 制造商:IQD Frequency Products 功能描述:CRYSTAL RESONATOR |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。