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Crystal Oscillators

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SEOAN Electronics Co., Ltd.

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DUNS

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TPA / TPB Series
THRU-HOLE A-TYPE (VC)TCXO

Typical Applications

Electrical Specification

Parameter		Unit	TTL/HCMOS		CLIPPED SINEWAVE
Frequency Range		MHz	1 to 160MHz(Func: up to 40MHz)		8 to 35Mhz
Supply Voltage		Vcc	5.0Vdc 5%(Std.)/3.3Vdc ±5%(Std.)
Current Consumption		mA	20mA Max @ 20MHz		3mA Max
Load			TTL : 10TTL(Std.) HCMOS : 15pF		10KOhm//10Pf
Waveform			TTL / HCMOS		Clipped Sine Wave
Output level		V	TTL	Level-1 (VH) :1.4V Level-0 (VL) :0.4V	3.3V : 0.8VP-P 5.0V : 1.0VP-P
			HCMOS	Level-1 (VH) :90%VCC Level-0 (VL) :10%VCC
Operating Temperature Range		°C	See table 2(VCTCXO part number guide)
Storage Temperature Range		°C	-40 to 85°C
Frequency Stability	VS. Temperature	ppm	See table 1(VCTCXO part number guide)
	VS. Supply Voltage	ppm	±0.3 (VCC ±5% change)
	VS. Load changes	ppm	±0.3 (Load±5% change)
	VS. Aging	ppm	±1.0
Frequency Adjustment		ppm	±3ppm Min (With Trimmer Access Hole)
Frequency Control	Pullability	ppm	See table 3(VCTCXO part number guide)
	Control Voltage	V	See table 4(VCTCXO part number guide)
	Slope		Positive
	Linearity	%	10
	Input Impedance	KOhm	100
Phase Noise @10MHz	at 10hz	dBc/Hz	-95
	at 100hz		-120
	at 1KHz		-150
	at 10KHz		-155
	at 100KHz		-155

Selection Guide

Stability(Table 1)	Temperature Range (Table2)	Pull ability (Table3)	Control Voltage (Table4)
0.5: ±0.5ppm Max 1.0: ±1.0ppm Max 1.5: ±1.5ppm Max 2.0: ±2.0ppm Max 2.5: ±2.5ppm Max 3.0: ±3.0ppm Max 4.0: ±4.0ppm Max 5.0: ±5.0ppm Max	A:0 to 70°C B:0 to 50°C C:-10 to 60°C D:-20 to 70°C E:-30 to 75°C F:-40 to 80°C G:-40 to 85°C H:-10 to 70°C	005: ±5ppm Min 010: ±10ppm Min 015: ±15ppm Min 020: ±20ppm Min 030: ±30ppm Min 040: ±40ppm Min 050: ±50ppm Min	A:0-2.5-5.0V B:0.5-2.5-4.5V C:0.5-2.5-4.75V D:0.5-2.5-5.0V E:0.3-1.65-3.0V F:0.5-1.5-2.5V G:0-1.65-3.3V S:User spec

Dimension(unit:mm)

Pin Configuration

Waveform

Test Circuit

Freq. Stability VS. Temp Range

Temp/PPM		±1.0	±1.5	±2.0	±2.5	±3.0	±4.0	±5.0
B	0°C ~ +50°C	*	O	O	O	O	O	O
A	0°C ~ +70°C	*	*	O	O	O	O	O
C	-10°C ~ +60°C	*	*	O	O	O	O	O
H	-10°C ~ +70°C	*	*	O	O	O	O	O
D	-20°C ~ +70°C	*	*	*	O	O	O	O
E	-30°C ~ +75°C	X	*	*	*	O	O	O
G	-40°C ~ +85°C	X	X	*	*	*	O	O
O : Standard, * : Available(case by case), X : Not available

SEOAN Electronics Co., Ltd.

Minisite Heart

DUNS

Address: C-809, Bundang Techno-park, 145, Yatap-dong, Bundang-gu, Seongnam-si, Gyeonggi-do, Korea

Company introduction: For 14 years, Seoan Electronics Co., Ltd. has been providing its customers with reliable, precision, crystal oscillators by offering expertise in oscillator applications such as time-base generation, telecommunications, satellite receiving equipment, computer hardware and software, telemetry, instrumentation, signal processing, and ordnance electronics. Acceptance of our products and services in our home market of Korea prompted an expansion into the global markets.

Seoan began selling in the United States as a contract manufacturer to several of the nations frequency control products manufacturers. Today, US sales account for a significant portion of total revenue. Seoan Electronics continues to work with these outstanding companies, and has added excellent design and manufacturing capabilities to US customers through a network of manufacturer's representatives and distributors.

Seoan employs a full compliment of design engineers with the experience you need to take your technology to the next level. Upon submission of your specification, our team will work with you to achieve your design objectives.

Every year Seoan Electronics has expanded its engineering and manufacturing capabilities. Engineering is constantly involved research and development to maintain the company's position at the leading edge of oscillator design.