Vishay 738D CT9 (CECC 30202-004) Manual
Summary
These high-reliability, wet tantalum capacitors feature a true hermetic glass-to-tantalum anode seal and sintered construction. The technical manual provides comprehensive data covering critical performance characteristics including ultra-low leakage current, wide operating temperature ranges (-55°C to +175°C), and exceptional resistance to thermal shock. It includes detailed ordering information for various capacitance, voltage ratings, and case sizes, making it an essential resource for engineers designing demanding electronic circuits that require maximum precision and longevity in harsh environments.
Page 1 Text Content
738D, CT9 (CECC 30202-004) Vishay Tansitor
Wet Tantalum Capacitors with Glass to Tantalum Hermetic Seal, Sintered Anode TANTALEX® Capacitors
FEATURES
Hermetic glass to tantalum seal
High CV per unit volume
Extremely low leakage current
Wide temperature range: - 55 to + 175°C
Improved reliability through the use of a glass-to- tantalum true hermetic anode seal is the prime feature of the 738D
PERFORMANCE CHARACTERISTICS
and CT9 sintered anode TANTALEX® capacitor. This construction eliminates all internal lead welds while
Operating Temperature: - 55°C to + 85°C and with
retaining the strength of internal lead-welded parts.
voltage derating to two-thirds the + 85°C rating at + 125°C. Capable of + 175°C operation at reduced voltage. Use of
Type 135D capacitors for high temperature applications is The construction offers outstanding resistance to thermal
recommended. shock.
Capacitance Tolerance: At 120 Hz, + 25°C. ± 20% standard. ± 10%, ± 5% available as special.
DC Leakage Current (DCL Max.): At + 25°C, + 85°C and + 125°C: Leakage current shall not exceed the values listed in the Standard Ratings Tables.
Life Test: Capacitors are capable of withstanding a 2000 APPROVALS
hour life test at a temperature of + 85°C or + 125°C at the applicable rated DC working voltage. CECC 30202-004 CT9 style
ORDERING INFORMATION
CT9 738D X0 MODEL CAPACITANCE CAPACITANCE DC VOLTAGE RATING CASE CODE STYLE NUMBER
TOLERANCE AT + 85°C
This is expressed in See Ratings
X0 = ± 20% This is expressed in volts. 0 = Bare case.
picofarads. The first two and Case
X9 = ± 10% To complete the three-digit 2 = Outer plastic
digits are the significant Codes Table.
X5 = ± 5% block, zeros precede the film insulation.
figures. The third is the
Special Order. voltage rating. A decimal 6 = High temperature
number of zeros to
point is indicated by an "R" film insulation
follow.
(6R3 = 6.3 volts). (above + 125°C).
Packaging: The use of formed plastic trays for packaging these axial lead components is standard. Tape and reel is not recommended due to the unit weight.
For technical questions, contact [email protected] Document Number: 40054
www.vishay.com
Revision 20-Oct-03
Page Summary Contents For Vishay 738D CT9 (CECC 30202-004) Manual
Manual Details
| Brand | Vishay |
|---|---|
| Pages | 5 |
| File Size | 137.01 KB |
| Published | May 30, 2026 |
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Frequently Asked Questions
What feature improves reliability in these capacitors?
The primary improvement is the use of a glass-to-tantalum true hermetic anode seal, which eliminates all internal lead welds.
What is the maximum operating temperature range?
The wide temperature range for operation is from -55°C to +175°C.
How should these components be packaged and shipped?
Formed plastic trays are standard packaging; tape and reel is not recommended due to the unit weight.
Where can I find technical support for this product line?
For detailed technical questions, users should contact [email protected].