Low Profile Crystal
HC49-4H & HC49-3H
Specifications
HC49-4H: 3.5mm maximum height
HC49-3H: 2.5mm maximum height
Parameters
Package:
2.50
(max)
0.43Ø
12.00
(min)
12.00
(min)
Product
HC49-4H
HC49-3H
Option
Code
HC49-4H
HC49-3H
3.50*
(max)
0.43Ø
Frequency range:
1.0MHz
3.2768 ~ 90.0MHz
3.579 ~ 90.0MHz
Calibration tolerance:
±20ppm
±30ppm
±50ppm
Other values (±10ppm ~ ±100ppm)
±30ppm
±50ppm
±100ppm
Other values (±10ppm ~ ±100ppm)
2
3
5
specify
3
5
C
specify
1
2
3
4
specify
B
D
E
F
J
specify
F
3
4.88
4.65
11.05
4.88
4.65
11.05
Temperature stability:
HC49-4H
*1.0MHz HC49-4H height is 4.00 (max)
HC49-3H
Scale 1:1
Features
«
«
«
«
Industry standard HC49 footprint
Fundamental mode available up to 50.0MHz
Comprehensive stock of standard frequencies
Low profile for close board stacking
Operating temperature range:
-10 to +60°C
-20 to +70°C
-30 to +80°C
-40 to +85°C
Other values
Circuit condition:
12pF
16pF
18pF
20pF
30pF
Other values
Fundamental
3rd overtone
Oscillation mode:
Equivalent series resistance (max):
3000 (1.0MHz)
200 (>3.2 ~ 3.5MHz)
150 (>3.5 ~ 4.0MHz)
120 (>4.0 ~ 4.4MHz)
100 (>4.4 ~ 7.0MHz)
70 (>7.0 ~ 10.0MHz)
50 (>10.0 ~ 50.0MHz, fund)
100 (>25.0 ~ 90.0MHz, 3rd OT)
Static capacitance (C
0
):
Ageing:
7pF max
±3ppm max first year
100µW
Test drive level:
Standard.
Optional - Please specify required code(s) when ordering
Ordering Information
Product name + frequency + specification code
eg:
HC49-4H/351DF 18.4320MHz
30/50/10/16-F
HC49-3H/232S3 48.0MHz
20/30/20/S-3
Insulating washers and mounting clips available. See our website
for details.
Available on T&R - 1k pcs per reel.
Centre ground lead available on request.
Refer to our website for T&R and soldering details.
IMPORTANT: Not normally available in small quantities of
non-standard frequencies. Please check with us before ordering.
Tel:
+44 1460 256 100
03 Oct 2011
Fax:
+44 1460 256 101
E-mail:
sales@golledge.com
Web:
www.golledge.com
DSP 与 ARM 处理器