LF A158K IQD FREQUENCY PRODUCTS, LF A158K Datasheet
LF A158K
Manufacturer Part Number
LF A158K
Description
CRYSTAL, 12MHZ, 30PF, THROUGH HOLE
Manufacturer
IQD FREQUENCY PRODUCTS
Series
HC49/4Hr
Datasheet
1.LF_A158K.pdf
(3 pages)
Specifications of LF A158K
Operating Temperature Range
-20°C To +70°C
Crystal Mounting Type
Through Hole
Crystal Case Type
Metal Can
Frequency
12MHz
Frequency Tolerance
± 50ppm
Load Capacitance
30pF
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
HC49/4H Crystals
ISSUE 12; 29 SEPTEMBER 2004
Delivery Options
I
I
Holder Style
I
I
General Specifications
I
I
I
I
Standard Frequency Tolerances and Stabilities
I
Operating Temperature Ranges
I
Storage Temperature Range
I
Environmental Specification
I
I
Marking
I
Minimum Order Information Required
I
Common frequencies may be available from stock
Lower height holders available please contact sales
office
HC49/4H crystals are resistance welded, hermetically
sealed in an inert atmosphere with glass to metal seals
securing the lead wires
Holders suffixed ‘–3L have a centre third wire which
grounds the case
Load Capacitance (C
Drive Level: 500µW max.
Static Capacitance (C
Ageing: ±5ppm typical per year, ±1ppm available on
request
±10ppm, ±20ppm, ±30ppm, ±50ppm, ±100ppm, tighter
tolerances and stabilities available on request.
–10 to 60°C
–20 to 70°C
–55 to 125°C
Shock: 981m/s
direction along three mutually perpendicular planes
Vibration: 10 to 60Hz 0.75mm displacement, 60 to
500Hz 98.1m/s
three mutually perpendicular planes
Frequency only
Frequency + Holder + Frequency Tolerance @ 25°C +
Frequency Stability + Operating Temperature Range +
Circuit Condition + Overtone Order + Tape & Reel
Packaging Available
0 to 50°C
2
2
for 6ms, three shocks in each
–30 to 80°C
–40 to 90°C
–55 to 105°C
acceleration, 30 minutes in each of
L
0
): 10pF to 75pF or Series
): 7pF max.
16
Outline in mm - HC49/4H & HC49/4H-3L
Typical Frequency vs Temperature Curves
for various angles of AT-cut crystals
Typical Frequency vs Temperature Curves
for various angles of BT-cut crystals
+25
–25
11.05 max
+10
–50
0
–50
0
–50
4.88±0.2
∅0.45
–20
–20
Temperature (°C)
Temperature (°C)
+25
4.88±0.2
∅0.45
+25
1 2 3
11.05
= =
+70
+70
Pin connections
1. Crystal
2. Case & GND
3. Crystal
+100
+100
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LF A158K Summary of contents
Page 1
... Typical Frequency vs Temperature Curves for various angles of AT-cut crystals +25 0 –25 +25 –50 –20 Temperature (°C) Typical Frequency vs Temperature Curves for various angles of BT-cut crystals +10 0 –50 –50 –20 +25 Temperature (°C) 16 Pin connections 1. Crystal 2. Case & GND 3. Crystal +70 ...
Page 2
Electrical Specifications - maximum limiting values Frequency Operating Frequency Range Tolerance Temperature Range @ 25°C ±2° 50°C 3.2 to <4.0MHz ±10ppm to ±100ppm -10 to 60°C -20 to 70°C -30 to 80°C -40 to 90°C -55 to105°C 0 ...
Page 3
Frequency Operating Frequency Range Tolerance @ 25°C Temperature Range ±2°C 27.0 to 50.0MHz Inclusive with 0 to 50°C Frequency -10 to 60°C Stability -20 to 70°C 28.0 to 100.0MHz ±10ppm 50°C 100ppm -10 to 60°C -20 to ...