HT06BW104KN Equivalent & Substitute Parts Reference

Part Overview

The HT06BW104KN is a 0.1 µF ±10% 50V ceramic capacitor with X7R temperature coefficient manufactured by KEMET. This component is classified as obsolete and operates across a temperature range of -55°C to 200°C, making it suitable for general-purpose applications requiring high-temperature stability. Due to its obsolete status, equivalent and substitute parts from KEMET's active product lines are necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Capacitance	0.1 µF
Tolerance	±10%
Voltage Rating	50V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C ~ 200°C
Mounting Type	Through Hole
Package Type	Radial
Lead Spacing	0.200" (5.08mm)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the HT06BW104KN is determined by the following criteria:

Primary Substitution Parameters:

Capacitance: 0.1 µF (exact match required)
Tolerance: ±10% (exact match required)
Temperature Coefficient: X7R (exact match required)
Mounting Type: Through Hole (exact match required)
Package Type: Radial (exact match required)
Lead Spacing: 0.200" (5.08mm) (exact match required)

Secondary Substitution Parameters:

Voltage Rating: 50V minimum (equal or higher voltage rating acceptable)
Operating Temperature Range: -55°C minimum to 200°C maximum (equal or extended range acceptable)

Substitute parts are grouped into two categories:

Category A - Direct Parametric Equivalents (50V Rating): Parts maintaining identical voltage rating and operating temperature range (-55°C ~ 200°C).

Category B - Voltage-Upgraded Equivalents (100V Rating): Parts with elevated voltage rating (100V) while maintaining all other core parameters. These provide enhanced voltage margin and are mechanically compatible.

Category C - Extended Temperature Equivalents: Parts with extended operating temperature range (-55°C ~ 260°C) while maintaining 50V or 100V voltage ratings.

Category D - Low ESL Variant: Part with optimized lead geometry for reduced parasitic inductance, suitable for bypass and decoupling applications.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Temp Range	Size (L x W)	Height Max	Lead Spacing	Product Status	RoHS
HT06BW104KN	KEMET	0.1 µF	±10%	50V	X7R	-55°C ~ 200°C	7.62 x 3.81mm	7.62mm	5.08mm	Obsolete	Non-compliant
ARR05B104KGS	KEMET	0.1 µF	±10%	50V	X7R	-55°C ~ 200°C	5.08 x 2.54mm	5.08mm	5.08mm	Active	Non-compliant
ARR06D104KGS	KEMET	0.1 µF	±10%	100V	X7R	-55°C ~ 200°C	7.62 x 2.54mm	7.62mm	5.08mm	Active	Non-compliant
C052H104K5R5GA	KEMET	0.1 µF	±10%	50V	X7R	-55°C ~ 200°C	4.83 x 2.29mm	6.22mm	5.08mm	Active	ROHS3 Compliant
TRR05B104KGS	KEMET	0.1 µF	±10%	50V	X7R	-55°C ~ 260°C	5.08 x 2.54mm	5.08mm	5.08mm	Active	Non-compliant
TRR05D104KGA	KEMET	0.1 µF	±10%	100V	X7R	-55°C ~ 260°C	5.08 x 2.54mm	5.08mm	5.08mm	Active	Non-compliant
TRR06D104KGA	KEMET	0.1 µF	±10%	100V	X7R	-55°C ~ 260°C	7.62 x 2.54mm	7.62mm	5.08mm	Active	Non-compliant
ARR07B104KGS	KEMET	0.1 µF	±10%	50V	X7R	-55°C ~ 200°C	7.62 x 3.81mm	7.62mm	5.08mm	Active	Non-compliant

Engineering Selection Recommendations

For Direct Replacement (Identical Footprint and Electrical Performance):

ARR07B104KGS is the primary direct substitute. This part maintains identical physical dimensions (7.62mm L x 3.81mm W), matching the original HT06BW104KN footprint exactly. Both components share the same 50V voltage rating, X7R temperature coefficient, and -55°C to 200°C operating range. ARR07B104KGS is active in production with 986 units in stock, ensuring procurement continuity.

For Space-Constrained Applications:

ARR05B104KGS and TRR05B104KGS offer reduced physical dimensions (5.08mm L x 2.54mm W) while maintaining all critical electrical parameters. Both are active products. ARR05B104KGS operates at -55°C to 200°C, matching the original specification. TRR05B104KGS extends the upper temperature limit to 260°C, providing additional thermal margin for high-temperature environments.

For Elevated Voltage Margin Applications:

ARR06D104KGS, TRR05D104KGA, and TRR06D104KGA provide 100V voltage rating while maintaining 0.1 µF capacitance and X7R characteristics. These are suitable for circuits requiring enhanced voltage headroom. ARR06D104KGS maintains the -55°C to 200°C range. TRR05D104KGA and TRR06D104KGA extend to -55°C to 260°C.

For RoHS3 Compliance Requirements:

C052H104K5R5GA is the only ROHS3-compliant option in the substitute list. This part maintains 50V rating and -55°C to 200°C operating range with optimized lead geometry for low ESL performance. Physical dimensions are 4.83mm L x 2.29mm W with 6.22mm seated height.

For Extended Temperature Applications:

TRR series components (TRR05B104KGS, TRR05D104KGA, TRR06D104KGA) operate to 260°C, providing 60°C additional upper temperature margin compared to the original specification.

Frequently Asked Questions (FAQ)

Q1: Can ARR05B104KGS replace HT06BW104KN in a PCB layout designed for the original part?

A: ARR05B104KGS is electrically equivalent but has different physical dimensions (5.08mm L x 2.54mm W versus 7.62mm L x 3.81mm W). PCB layout modification is required. If the original footprint cannot be altered, use ARR07B104KGS instead, which maintains identical dimensions.

Q2: What is the advantage of selecting a 100V-rated substitute over the original 50V specification?

A: 100V-rated parts (ARR06D104KGS, TRR05D104KGA, TRR06D104KGA) provide increased voltage margin, reducing stress on the dielectric and potentially extending component life in circuits operating near the 50V limit. All other electrical parameters remain identical. Physical dimensions vary by part number.

Q3: Is the C052H104K5R5GA suitable for high-frequency bypass applications?

A: C052H104K5R5GA features optimized lead geometry for low ESL performance and is specified for bypass and decoupling applications. However, verify PCB layout compatibility, as its dimensions (4.83mm L x 2.29mm W) differ from the original part.

Q4: Which substitute offers the best thermal performance for extended temperature operation?

A: TRR series components (TRR05B104KGS, TRR05D104KGA, TRR06D104KGA) operate to -55°C to 260°C, providing 60°C additional upper temperature margin. Select based on required voltage rating (50V or 100V) and physical space constraints.

Q5: Are all substitute parts mechanically compatible with the original 0.200" (5.08mm) lead spacing?

A: Yes. All substitute parts listed maintain 0.200" (5.08mm) lead spacing, ensuring compatibility with PCB hole patterns designed for the original HT06BW104KN. Physical length and width vary by part number; verify PCB layout clearances.

Q6: What is the difference between ARR and TRR series substitutes?

A: ARR series operates to -55°C to 200°C. TRR series extends to -55°C to 260°C. Both maintain identical capacitance, tolerance, and X7R characteristics. Select TRR for applications requiring extended high-temperature performance.

Q7: Is RoHS compliance a factor in substitute selection?

A: C052H104K5R5GA is ROHS3 compliant. All other substitutes are RoHS non-compliant, matching the original HT06BW104KN status. Select C052H104K5R5GA only if RoHS3 compliance is a design requirement.

Q8: Can ARR07B104KGS be considered a drop-in replacement for HT06BW104KN?

A: Yes. ARR07B104KGS matches the original part in capacitance (0.1 µF), tolerance (±10%), voltage rating (50V), temperature coefficient (X7R), operating range (-55°C to 200°C), physical dimensions (7.62mm L x 3.81mm W), and lead spacing (5.08mm). It is active in production with adequate inventory.

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