TCJS226M006R0400 Equivalent & Substitute Parts

Part Overview

The TCJS226M006R0400 is a 22 µF molded tantalum polymer capacitor rated at 6.3 V with 400 mOhm ESR @ 100 kHz in a 1206 (3216 Metric) surface mount package. This part is discontinued at DiGi Electronics, making equivalent and substitute parts necessary for ongoing design support and production continuity. The part meets ROHS3 compliance and operates across -55°C to 105°C with a 2000-hour lifetime rating at 105°C.

Key Parameters

Parameter	Value
Capacitance	22 µF
Voltage Rating	6.3 V
ESR @ 100 kHz	400 mOhm
Package / Case	1206 (3216 Metric)
Mounting Type	Surface Mount
Type	Molded Tantalum Polymer
Tolerance	±20%
Operating Temperature	-55°C ~ 105°C
RoHS Status	ROHS3 Compliant
MSL Rating	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution for the TCJS226M006R0400 is determined by strict equivalence across the following parameters: capacitance (22 µF), voltage rating (6.3 V), package type (1206 / 3216 Metric), mounting method (surface mount), and tantalum polymer construction. ESR values and physical height may vary within acceptable ranges for the same electrical performance class. Substitutes are grouped into three categories:

Parametric Equivalents (KYOCERA AVX): Parts maintaining identical electrical specifications and manufacturer series with only packaging format differences (bulk vs. tape & reel).

Direct Equivalents (Vishay Sprague): Parts from alternative manufacturers meeting the same capacitance, voltage, and package specifications with variations in ESR and physical dimensions.

Manufacturer Recommended: Parts optimized for specific performance characteristics (lower ESR) while maintaining core electrical parameters.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	ESR @ 100 kHz	Package	Height (Max)	Product Status	Packaging Format
TCJS226M006R0400	KYOCERA AVX	22 µF	6.3 V	400 mOhm	1206 (3216)	0.047" (1.20 mm)	Discontinued	Bulk
TCJK226M006R0400E	KYOCERA AVX	22 µF	6.3 V	400 mOhm	1206 (3216)	0.039" (1.00 mm)	Active	Tape & Reel
TCJS226M006R0400E	KYOCERA AVX	22 µF	6.3 V	400 mOhm	1206 (3216)	0.047" (1.20 mm)	Active	Tape & Reel
T55A226M6R3C0500	Vishay Sprague	22 µF	6.3 V	500 mOhm	1206 (3216)	0.071" (1.80 mm)	Active	Tape & Reel
T55A226M6R3C0200	Vishay Sprague	22 µF	6.3 V	200 mOhm	1206 (3216)	0.071" (1.80 mm)	Active	Tape & Reel

Engineering Selection Recommendations

TCJS226M006R0400E (KYOCERA AVX): Direct replacement with identical electrical specifications and manufacturer series. Active product status ensures long-term availability. Identical ESR and operating temperature range. Available in tape & reel packaging for production environments. Recommended as primary substitute.

TCJK226M006R0400E (KYOCERA AVX): Parametric equivalent with reduced physical height (1.00 mm vs. 1.20 mm). Maintains identical electrical performance and ESR. Active status and ROHS3 compliance. Suitable where PCB clearance is constrained.

T55A226M6R3C0200 (Vishay Sprague): Manufacturer-recommended alternative with superior ESR performance (200 mOhm vs. 400 mOhm). Meets all core electrical parameters. Active product status with high inventory availability. Increased physical height (1.80 mm) requires PCB layout verification.

T55A226M6R3C0500 (Vishay Sprague): Direct equivalent with higher ESR (500 mOhm). Suitable for applications where ESR tolerance is not critical. Active status and full compliance certifications maintained.

All substitute parts maintain ROHS3 compliance, MSL 3 rating, and -55°C to 105°C operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can TCJK226M006R0400E replace TCJS226M006R0400 directly? A: Yes. Both parts are KYOCERA AVX tantalum polymer capacitors with identical 22 µF / 6.3 V / 400 mOhm specifications. The primary difference is physical height (1.00 mm vs. 1.20 mm) and packaging format (tape & reel vs. bulk). Verify PCB clearance for the reduced height variant.

Q: What is the difference between KYOCERA AVX and Vishay Sprague substitutes? A: KYOCERA AVX substitutes maintain identical ESR and manufacturer series continuity. Vishay Sprague parts offer alternative ESR options (200 mOhm or 500 mOhm) while preserving core electrical parameters. Both manufacturers provide ROHS3-compliant, active-status products.

Q: Is T55A226M6R3C0200 compatible with the original design? A: Yes, for applications where lower ESR is beneficial or acceptable. The 200 mOhm ESR is superior to the original 400 mOhm specification. Physical height increases to 1.80 mm; verify PCB layout compatibility before implementation.

Q: Why does T55A226M6R3C0500 have higher ESR? A: ESR variation is a characteristic of different manufacturer designs within the same capacitance and voltage class. The 500 mOhm ESR remains within acceptable ranges for general-purpose tantalum polymer applications at 6.3 V.

Q: Are all substitutes available in tape & reel packaging? A: TCJS226M006R0400E, TCJK226M006R0400E, T55A226M6R3C0500, and T55A226M6R3C0200 are all available in tape & reel format suitable for automated assembly. The original TCJS226M006R0400 was bulk packaged and is discontinued.

Q: Do all substitutes meet the same compliance standards? A: Yes. All listed substitutes are ROHS3 compliant, REACH unaffected, and carry MSL 3 (168 Hours) moisture sensitivity ratings. Operating temperature range (-55°C to 105°C) is maintained across all alternatives.

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