Xsis Electronics Inc. was founded in April 1978. At Xsis, we specialize in the design and manufacturing of High Reliability Crystal Units and Crystal Oscillators for Military, Space, Industrial, Telecommunication and extremely high temperature down hole applications.

Xsis is on the Qualified Products List for MIL-PRF-55310 (QPL) Military oscillators and MIL-PRF-3098 (QPL) Military crystal units.

Xsis is also a leading supplier of Rad-Hard Crystal Oscillators for Space Applications. Xsis has performed extensive Single Event Latch up (SEL) and Single Event Upset (SEU) testing on its Space Qualified Crystal Oscillators. Please visit our Space Products page for additional information on Space Products.

Over 39 years of experience and expertise with quartz crystals and hybrid microcircuit technologies have earned Xsis the status of a certified supplier and a reputation among its customers as the most reliable supplier of advanced design microcircuit crystal oscillators.

By using proven designs and quality components, continually monitoring work in process, testing every finished oscillator/crystal unit and using only hermetically sealed metal or ceramic packages can the user be assured of what our customers call “Experienced Reliability”.

Exceptionally good frequency aging characteristics are achieved by the use of precision quartz crystals manufactured using in-house proprietary processes.

PRODUCT HIGHLIGHTS

• SPACE QUALIFIED

• QPL TO MIL-PRF-55310 & MIL-PRF-3098

• HIGH TEMPERATURE, DOWN HOLE APPLICATIONS

• 883B SCREENING

• CUSTOM HI-REL SCREENING

• TTL – LVTTL – CMOS – HC/ACMOS – GATED – ECL

• COMPLEMENTARY OUTPUTS

• MULTIPLE FREQUENCY OUTPUTS

• WIDE FREQUENCY RANGES

• VARIETY OF FREQUENCY STABILITIES

• MULTIPLE TEMPERATURE RANGES

• DUAL IN-LINE PACKAGE

• TO (Round) PACKAGE

• LEADLESS CHIP CARRIER ( Surface Mount )

• “J” LEAD PACKAGE (Surface Mount )

• “GULL WING” LEADS PACKAGE ( Surface Mount )

• RESISTANCE – WELDED, HERMETICALLY SEALED

• HIGH SHOCK & VIBRATION DESIGNS

Xsis Electronics is a leading supplier of Advance Design Rad-Hard Crystal Oscillators for Space Applications. Some of the Space Programs where Xsis Oscillators have been used in flight hardware and our standard Space Qualified Oscillator Specifications (SCDs) are shown below. For TID, SEL and SEU data or any other special requirements, please contact us.

Program Name	Description
Spacebuss 3000B	Alcatel Telecommunication Satellite Program
Amos 3	Israel Telecommunication Satellite
Cryosat	ESA Earth Observation Satellite
HTV	Japanese Space Vehicle to Space Station
TerraSar-X	German Earth Observation Satellite
Rapid Eye	ESA Earth Observation Satellite
Lisa Pathfinder	ESA/NASA Earth Observation Satellite
ISSR Mass Memory	Japanese Project
Express AM33, AM44	Russian Telecommunication Satellite

SPACE QUALIFIED OSCILLATORS

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Type Number	Supply Voltage	Output Type	Output Enable	Frequency Range	Package Outline
XE60S – A00	5.0 VDC	HC/ACMOS	Yes	125 Hz – 90.0 MHz	14 Pin DIP
XE60S – B00	5.0 VDC	TTL	Yes	125 Hz – 90.0 MHz
XE60S – L00	3.3 VDC	HC/ACMOS/LVTTL	Yes	125 Hz – 125.0 MHz
XE60S – N00	2.5 VDC	HC/ACMOS	Yes	125 Hz – 120.0 MHz
XE61S – A00	5.0 VDC	HC/ACMOS	Yes	125 Hz – 90.0 MHz	4 Pin DIP
XE61S – B00	5.0 VDC	TTL	Yes	125 Hz – 90.0 MHz
XE61S – L00	3.3 VDC	HC/ACMOS/LVTTL	Yes	125 Hz – 125.0 MHz
XE61S – N00	2.5 VDC	HC/ACMOS	Yes	125 Hz -120.0 MHz
XE66S – A00	5.0 VDC	HC/ACMOS	Yes	450 KHz – 90.0 MHz	TO-5 8 Pin (Round)
XE66S – B00	5.0 VDC	TTL	Yes	450 KHz – 90.0 MHz
XE66S – L00	3.3 VDC	HC/ACMOS/LVTTL	Yes	450 KHz – 100.0 MHz
XE66S – N00	2.5 VDC	HC/ACMOS	Yes	450 KHz – 70.0 MHz
XE63S – A00	5.0 VDC	HC/ACMOS	Yes	400 KHz – 90.0 MHz	9 x 14 mm “J” Leads
XE63S – B00	5.0 VDC	TTL	Yes	400 KHz – 90.0 MHz
XE63S – L00	3.3 VDC	HC/ACMOS/LVTTL	Yes	400 K Hz – 100.0 MHz
XE63S – N00	2.5 VDC	HC/ACMOS	Yes	400 K Hz – 70.0 MHz
XE64S – A00	5.0 VDC	HC/ACMOS	Yes	450 K Hz – 90.0 MHz	7 x 9 mm “J” Leads
XE64S – L00	3.3 VDC	HC/ACMOS/LVTTL	Yes	450 K Hz – 125.0 MHz
XE64S – N00	2.5 VDC	HC/ACMOS	Yes	450 K Hz -120.0 MHz
XE641S – A00	5.0 VDC	HC/ACMOS	Yes	450 KHz – 90.0 MHz	7 x 9 mm “Formed” Leads
XE641S – L00	3.3 VDC	HC/ACMOS/LVTTL	Yes	450 KHz – 125.0 MHz
XE641S – N00	2.5 VDC	HC/ACMOS	Yes	450 KHz – 120.0 MHz
XE642S – A00	5.0 VDC	HC/ACMOS	Yes	450 KHz – 90.0 MHz	7 x 9 mm “Gull Wing” Leads
XE642S – L00	3.3 VDC	HC/ACMOS/LVTTL	Yes	450 KHz – 125.0 MHz
XE642S – N00	2.5 VDC	HC/ACMOS	Yes	450 KHz -120.0 MHz
XE643S – A00	5.0 VDC	HC/ACMOS	Yes	450 KHz – 90.0 MHz	7 x 9 mm “Straight” Leads
XE643S – L00	3.3 VDC	HC/ACMOS/LVTTL	Yes	450 KHz – 125.0 MHz
XE643S – N00	2.5 VDC	HC/ACMOS	Yes	450 KHz – 120.0 MHz
XE7S – A0	5.0 VDC	HC/ACMOS	Yes	500 KHz – 90.0 MHz	5 x 7 mm Lead Less
XE7S – L0	3.3 VDC	HC/ACMOS	Yes	500 KHz – 125.0 MHz
XE7S – N0	2.5 VDC	HC/ACMOS	Yes	500 KHz – 120.0 MHz
XE71S – Ax	5.0 VDC	HC/ACMOS	Yes	500 KHz – 90.0 MHz	5 x 7 mm “Formed” Leads
XE71S – Lx	3.3 VDC	HC/ACMOS	Yes	500 KHz – 125.0 MHz
XE71S – Nx	2.5 VDC	HC/ACMOS	Yes	500 KHz – 120.0 MHz
XE72S – Ax	5.0 VDC	HC/ACMOS	Yes	500 KHz – 90.0 MHz	5 x 7 mm “Gull-wing” Leads
XE72S – Lx	3.3 VDC	HC/ACMOS	Yes	500 KHz – 125.0 MHz
XE72S – Nx	2.5 VDC	HC/ACMOS	Yes	500 KHz – 120.0 MHz
XE73S – Ax	5.0 VDC	HC/ACMOS	Yes	500 KHz – 90.0 MHz	5 x 7 mm “Straight” Leads
XE73S – Lx	3.3 VDC	HC/ACMOS	Yes	500 KHz – 125.0 MHz
XE73S – Nx	2.5 VDC	HC/ACMOS	Yes	500 KHz – 120.0 MHz

Xsis Electronics offers high reliability crystal oscillators for extremely high temperature applications. These oscillators are designed and processed by Xsis Electronics to operate over an extended temperature range of -55°C to 230°C. High temperature materials and proven processes are utilized to provide high reliability and long life at extreme temperatures.

High Temperature Crystal Oscillators manufactured by Xsis Electronics are designed for High Temperature and extreme environment applications such as, Down Hole Drilling Measurements, Jet Engine Sensors, High Temperature Avionics, High Temperature coupled with High Shock & Vibrations, etc.

Exceptionally good frequency aging characteristics are achieved by the use of precision quartz crystals manufactured using in-house proprietary processes developed and improved over 39+ years of experience in manufacturing crystal oscillators for Military (QPL) and space applications. All oscillators are tested 100% over the operating temperature range.

HIGH TEMPERATURE CRYSTAL OSCILLATORS

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Type Number	Supply Voltage	Output Type	Output Enable	Frequency Range	Package Outline
XH6A	5.0 VDC	HCMOS/TTL	YES	500 KHz – 40 MHz	5 x 7 mm Lead Less
XH6L	3.3 VDC	HCMOS/LVTTL	YES	500 KHz – 40 MHz
XH6N	2.5 VDC	HCMOS	YES	500 KHz – 40 MHz
XH6R	1.8 VDC	HCMOS	YES	500 KHz – 40 MHz
XH40A	5.0 VDC	HCMOS/TTL	YES	500 KHz – 40 MHz	7 x 9 mm “J” Leads
XH40L	3.3 VDC	HCMOS/LVTTL	YES	500 KHz – 40 MHz
XH40N	2.5 VDC	HCMOS	YES	500 KHz – 40 MHz
XH40R	1.8 VDC	HCMOS	YES	500 KHz – 40 MHz
XH41A	5.0 VDC	HCMOS/TTL	YES	500 KHz – 40 MHz	7 x 9 mm “Formed” Leads
XH41L	3.3 VDC	HCMOS/LVTTL	YES	500 KHz – 40 MHz
XH41N	2.5 VDC	HCMOS	YES	500 KHz – 40 MHz
XH41R	1.8 VDC	HCMOS	YES	500 KHz – 40 MHz
XH42A	5.0 VDC	HCMOS/TTL	YES	500 KHz – 40 MHz	7 x 9 mm “Gull Wing” Leads
XH42L	3.3 VDC	HCMOS/LVTTL	YES	500 KHz – 40 MHz
XH42N	2.5 VDC	HCMOS	YES	500 KHz – 40 MHz
XH42R	1.8 VDC	HCMOS	YES	500 KHz – 40 MHz
XH43A	5.0 VDC	HCMOS/TTL	YES	500 KHz – 40 MHz	7 x 9 mm “Straight” Leads
XH43L	3.3 VDC	HCMOS/LVTTL	YES	500 KHz – 40 MHz
XH43N	2.5 VDC	HCMOS	YES	500 KHz – 40 MHz
XH43R	1.8 VDC	HCMOS	YES	500 KHz – 40 MHz
XH30A	5.0 VDC	HCMOS/TTL	YES	500 KHz – 40 MHz	9 x 14 mm “J” Leads
XH30L	3.3 VDC	HCMOS/LVTTL	YES	500 KHz – 40 MHz
XH30N	2.5 VDC	HCMOS	YES	500 KHz – 40 MHz
XH30R	1.8 VDC	HCMOS	YES	500 KHz – 40 MHz

Xsis is qualified on the following QPL (M55310) Products:

M55310/08,  M55310/09,  M55310/11,  M55310/14,  M55310/15,  M55310/16  M55310/17,
M55310/18, M55310/19, M55310/21, M55310/26, M55310/27, M55310/30  M55310/33, M55310/34,
M55310/35,  M55310/36, M55310/37,  M55310/38,  M55310/39, & M55310/40.

QPL ( M55310 ) OSCILLATORS

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Type Number	Supply Voltage	Output Type	Output Enable	Frequency Range	Package Outline
M55310/08	5.0 VDC	TTL	No	100.0 Hz – 50.0 MHz	14 PinDIP
M55310/09	5.0 VDC	TTL	No	400.0 KHz – 60.0 MHz	8 PinRound
M55310/11	5 to 15 VDC	CMOS	No	50 KHz – 10.0 MHz	14 PinDIP
M55310/14	5.0 VDC	TTL	No	100.0 Hz – 25.0 MHz	14 PinDIP
M55310/15	5 to 15 VDC	CMOS	No	5.25 Hz – 10.0 MHz	14 PinDIP
M55310/16	5.0 VDC	TTL	No	100.0 Hz – 80.0 MHz	14 PinDIP
M55310/17	5.0 VDC	TTL (GATED)	Yes	250.0 KHz – 50.0 MHz	14 PinDIP
M55310/18	5 to 15 VDC	CMOS	No	5.25 Hz – 15.0 MHz	14 PinDIP
M55310/19	5.0 VDC	TTL	No	1.0 MHz – 60.0 MHz	.485″ Sq. LCC
M55310/21	5.0 VDC	TTL	No	1.0 MHz – 60.0 MHz	2o LeadsFP
M55310/26 (14 Pin )	5.0 VDC	HCMOS	No	10.0 KHz – 65.0 MHz	14 Pin DIP
M55310/26 (4 Pin )	5.0 VDC	HCMOS	No	10.0 KHz – 65.0 MHz	4 Pin DIP
M55310/27	5.0 VDC	HCMOS	Yes	1.0 MHz – 85.0 MHz	9 x 14mm “J” Leads
M55310/30	3.3 VDC	HCMOS	Yes	450.0 KHz – 85.0 MHz	9 x 14mm “J” Leads
M55310/33	5.0 VDC	HCMOS	Yes	500 KHz – 85.0 MHz	7 x 9 mm “J” Leads
M55310/34	3.3 VDC	HCMOS	Yes	500 KHz – 85.0 MHz
M55310/35	2.5 VDC	HCMOS	Yes	1.0 MHz – 100.0 MHz
M55310/36	1.8 VDC	HCMOS	Yes	1.0 MHz – 100.0 MHz
M55310/37	5.0 VDC	HCMOS	Yes	500 KHz – 85.0 MHz	7 x 9 mm “Formed” Leads
M55310/38	3.3 VDC	HCMOS	Yes	500 KHz – 85.0 MHz
M55310/39	2.5 VDC	HCMOS	Yes	1.0 MHz – 100.0 MHz
M55310/40	1.8 VDC	HCMOS	Yes	1.0 MHz – 100.0 MHz

Xsis Electronics Standard Crystal Oscillators utilize advanced designs and hybrid microcircuit technology as per MIL-PRF-55310 and MIL-PRF-38534. These oscillators are designed and processed for Military and Aerospace applications and can withstand high shock and vibration. Exceptionally good frequency aging characteristics are achieved by the use of precision quartz crystals manufactured using in-house proprietary processes. Contact Xsis Engineering for your special requirements.

MILITARY / AEROSPACE OSCILLATORS

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Type Number	Supply Voltage	Output Type	Output Enable	Frequency Range	Package Outline
XC5A	5.0 VDC	HCMOS/TTL	YES	500 KHz – 105 MHz	5 x 7 mm Lead Less
XC5L	3.3 VDC	HCMOS/TTL	YES	500 KHz – 160 MHz
XC5N	2.5 VDC	HCMOS	YES	500 KHz – 135 MHz
XC5R	1.8 VDC	HCMOS	YES	500 KHz – 100 MHz
XE51A	5.0 VDC	HCMOS/TTL	Yes	500 KHz – 100 MHz	5 x 7 mm “Formed” Leads
XE51L	3.3 VDC	HCMOS/TTL	Yes	500 KHz – 160 MHz
XE51N	2.5 VDC	HCMOS	Yes	500 KHz – 135 MHz
XE51R	1.8 VDC	HCMOS	Yes	500 KHz – 100 MHz
XE52A	5.0 VDC	HCMOS/TTL	Yes	500 KHz – 100 MHz	5 x 7 mm “Gull Wing” Leads
XE52L	3.3 VDC	HCMOS/TTL	Yes	500 KHz – 160 MHz
XE52N	2.5 VDC	HCMOS	Yes	500 KHz – 135 MHz
XE52R	1.8 VDC	HCMOS	Yes	500 KHz – 100 MHz
XE53A	5.0 VDC	HCMOS/TTL	Yes	500 KHz – 100 MHz	5 x 7 mm “Straight” Leads
XE53L	3.3 VDC	HCMOS/TTL	Yes	500 KHz – 160 MHz
XE53N	2.5 VDC	HCMOS	Yes	500 KHz – 135 MHz
XE53R	1.8 VDC	HCMOS	Yes	500 KHz – 100 MHz
XE40 – 100	5 VDC	TTL	Yes	450 KHz – 100 MHz	7 x 9 mm “J” Leads
XE40 – 200	5 VDC	HC/ACMOS	Yes	450 KHz – 100 MHz
XE40 – L00	3.3 VDC	HC/ACMOS/LVTTL	Yes	450 KHz – 160 MHz
XE40 – N00	2.5 VDC	LVHCMOS	Yes	450 KHz – 135 MHz
XE40 – R00	1.8 VDC	LVHCMOS	Yes	450 KHz – 100 MHz
XE41 – 100	5 VDC	TTL	Yes	450 KHz – 100 MHz	7 x 9 mm “Formed” Leads
XE41 – 200	5 VDC	HC/ACMOS	Yes	450 KHz – 100 MHz
XE41 – L00	3.3 VDC	LVHCMOS	Yes	450 KHz – 160 MHz
XE41 – N00	2.5 VDC	LVHCMOS	Yes	450 KHz – 135 MHz
XE41 – R00	1.8 VDC	LVHCMOS	Yes	450 KHz – 100 MHz
XE42 – 100	5 VDC	TTL	Yes	450 KHz – 100 MHz	7 x 9 mm “Gull Wing” Leads
XE42 – 200	5 VDC	HC/ACMOS	Yes	450 KHz – 100 MHz
XE42 – L00	3.3 VDC	LVHCMOS	Yes	450 KHz – 160 MHz
XE42 – N00	2.5 VDC	LVHCMOS	Yes	450 KHz – 135 MHz
XE42 – R00	1.8 VDC	LVHCMOS	Yes	450 KHz – 100 MHz
XE43 – 100	5 VDC	TTL	Yes	450 KHz – 100 MHz	7 x 9 mm “Straight” Leads
XE43 – 200	5 VDC	HC/ACMOS	Yes	450 KHz – 100 MHz
XE43 – L00	3.3 VDC	HC/ACMOS/LVTTL	Yes	450 KHz – 160 MHz
XE43 – N00	2.5 VDC	LVHCMOS	Yes	450 KHz – 135 MHz
XE43 – R00	1.8 VDC	LVHCMOS	Yes	450 KHz – 100 MHz
XE30 – 100	5 VDC	TTL	Yes	400 KHz – 90 MHz	9 x 14 mm “J” Leads
XE30 – 200A	5 VDC	HC/ACMOS	Yes	400 KHz – 90 MHz
XE30 – L00	3.3 VDC	HC/ACMOS/TTL	Yes	400 KHz – 100 MHz
XE20 – 100	5 VDC	TTL	Yes	400 KHz – 90 MHz	TO (Round)
XE20 – 200A	5 VDC	HC/ACMOS	Yes	400 KHz – 90 MHz
XE20 – L00A	3.3 VDC	HC/ACMOS/TTL	Yes	400 KHz – 100 MHz
XE15 – 100	5 VDC	TTL	Yes	100 KHz – 90 MHz	4 Pin Half DIP
XE15 – 200A	5 VDC	HC/ACMOS	Yes	100 KHz – 90 MHz
XE15 – L00	3.3 VDC	HC/ACMOS/TTL	Yes	100 KHz – 100 MHz
X100	5 VDC	TTL	Yes	60 Hz – 100 MHz	14 Pin DIP
M100	5 VDC	TTL	No	60 Hz – 60 MHz
E100	5 VDC	TTL	No	60 Hz – 25 MHz
X200	5 to 15 VDC	CMOS	No	1.5Hz – 12 MHz
X200A (B)	5 VDC	HC/ACMOS	Yes	5 Hz – 100 MHz
X3200	3.3 VDC	LVHCMOS	Yes	100 KHz – 160 MHz
XN00	2.5 VDC	LVHCMOS	Yes	100 KHz – 135 MHz
XR00	1.8 VDC	LVHCMOS	Yes	100 KHz – 100 MHz
X300	– 5.2 VDC	ECL	No	10 MHz – 220 MHz
X300A	– 4.5 VDC	ECL	No	10 MHz – 220 MHz
T100	5 VDC	TTL	Yes	60 Hz – 100 MHz	4 Pin DIP
T200	5 to 15 VDC	CMOS	No	1.5 Hz – 12 MHz
T200A (B)	5 VDC	HC/ACMOS	Yes	5 Hz – 100 MHz
T3200	3.3 VDC	LVHCMOS	Yes	100 KHz – 160 MHz
TN00	2.5 VDC	LVHCMOS	Yes	100 KHz – 135 MHz
TR00	1.8 VDC	LVHCMOS	Yes	100 KHz – 100 MHz
T300	-5.2 VDC	ECL	No	10 MHz – 220 MHz
T300A	-4.5 VDC	ECL	No	10 MHz – 220 MHz
XE10 – 100	5 VDC	TTL	Yes	200 KHz – 90 MHz	LCC Surface Mount
XE10 – 200A	5 VDC	HC/ACMOS	Yes	200 KHz – 90 MHz
XE10 – L00	3.3 VDC	HC/ACMOS	Yes	200 KHz – 100 MHz
XE101 – 100	5 VDC	TTL	Yes	200 KHz – 90 MHz	“J” Leads Surface Mount
XE101 – 200A	5 VDC	HC/ACMOS	Yes	200 KHz – 90 MHz
XE101 – L00	3.3 VDC	HC/ACMOS	Yes	400 KHz – 100 MHz
XE102 – 100	5 VDC	TTL	Yes	400 KHz – 90 MHz	Gull Wing Leads Surface Mount
XE102 – 200A	5 VDC	HC/ACMOS	Yes	400 KHz – 90 MHz
XE102 – L00	3.3 VDC	HC/ACMOS	Yes	400 KHz – 100 MHz

Xsis is qualified on the following QPL (MIL-PRF-3098) Crystal Units:

CR55/U,  CR60/U,  CR61/U,  CR64/U,  CR67/U,  CR69/U  CR72/U,
CR76/U, CR77/U, CR78/U, CR79/U, CR81/U  CR84/U, CR97/U,
CR106/U,  CR117/U, CR139/U,  CR152/U

QPL ( MIL-PRF-3098 ) CRYSTAL UNITS

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Type Number	Slash Sheet	Mode	Load ( pF )	Frequency Range (MHz)	Package Outline
CR55/U	33	3rd	Series	17.000 – 61.000	HC-49
CR60/U	38	Fund.	Series	5.000 – 20.000
CR61/U	39	3rd	Series	17.000 – 61.000
CR64/U	42	Fund.	30	2.900 – 20.000
CR67/U	45	3rd	Series	17.000 – 61.000
CR69/U	47	Fund.	30	2.900 – 25.000
CR72/U	50	3rd	Series	17.000 – 61.000	HC-50
CR76/U	53	3rd	Series	16.000 – 61.000	HC-49
CR77/U	55	3rd	Series	17.000 – 61.000	HC50
CR78/U	62	Fund.	30	2.900 – 20.000
CR79/U	63	Fund.	Series	2.900 – 20.000
CR81/U	58	3rd	Series	17.000 – 61.000
CR84/U	61	3rd	Series	17.000 – 61.000
CR97/U	72	Fund.	32	8.000 – 10.000	HC-49
CR106/U	82	Fund.	32	10.500 – 11.500	HC-49
CR117/U	93	3rd	Series	30.000 – 61.000	HC-50
CR139/U	118	Fund.	30	20.000 – 22.000	HC-49
CR152/U	133	3rd	Series	16.000 – 61.000	HC-49

PRODUCT HIGHLIGHTS

SPACE QUALIFIED OSCILLATORS

HIGH TEMPERATURE CRYSTAL OSCILLATORS

Xsis is qualified on the following QPL (M55310) Products:

M55310/08, M55310/09, M55310/11, M55310/14, M55310/15, M55310/16 M55310/17, M55310/18, M55310/19, M55310/21, M55310/26, M55310/27, M55310/30 M55310/33, M55310/34, M55310/35, M55310/36, M55310/37, M55310/38, M55310/39, & M55310/40.

QPL ( M55310 ) OSCILLATORS

MILITARY / AEROSPACE OSCILLATORS

Xsis is qualified on the following QPL (MIL-PRF-3098) Crystal Units:

CR55/U, CR60/U, CR61/U, CR64/U, CR67/U, CR69/U CR72/U, CR76/U, CR77/U, CR78/U, CR79/U, CR81/U CR84/U, CR97/U, CR106/U, CR117/U, CR139/U, CR152/U

QPL ( MIL-PRF-3098 ) CRYSTAL UNITS

M55310/08, M55310/09, M55310/11, M55310/14, M55310/15, M55310/16 M55310/17,
M55310/18, M55310/19, M55310/21, M55310/26, M55310/27, M55310/30 M55310/33, M55310/34,
M55310/35, M55310/36, M55310/37, M55310/38, M55310/39, & M55310/40.

CR55/U, CR60/U, CR61/U, CR64/U, CR67/U, CR69/U CR72/U,
CR76/U, CR77/U, CR78/U, CR79/U, CR81/U CR84/U, CR97/U,
CR106/U, CR117/U, CR139/U, CR152/U