Equivalent & Substitute Parts for 1-1622821-9

Part Overview

The TE Connectivity 1-1622821-9 is a 100 mOhms ±5% 0.25W thick film chip resistor in 0805 (2012 Metric) package configuration, designed for current sense applications. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts that maintain functional compatibility within the specified electrical and mechanical parameters.

Key Parameters

Parameter	Value
Resistance	100 mOhms
Tolerance	±5%
Power Rating	0.25W (1/4W)
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Features	Current Sense
Operating Temperature Range	-55°C ~ 125°C
Moisture Sensitivity Level	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the 1-1622821-9 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Resistance value: 100 mOhms
Package / Case: 0805 (2012 Metric)
Composition: Thick Film
Features: Current Sense capability
Moisture Sensitivity Level: 1 (Unlimited)

Flexible Parameters (Allow Substitution):

Tolerance: ±5% (original) to ±1% (tighter tolerance acceptable)
Power Rating: 0.25W (original) to 0.333W (higher rating acceptable)
Temperature Coefficient: ±350ppm/°C (original) to ±100ppm/°C (improved performance acceptable)
Operating Temperature Range: -55°C ~ 125°C (original) to -55°C ~ 155°C (extended range acceptable)
Product Status: Obsolete (original) to Active (required for substitution)

Substitute parts are grouped into two categories based on tolerance specification: ±5% tolerance parts and ±1% tolerance parts. All substitute parts maintain the 0805 package, thick film composition, and current sense functionality.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Temp Coeff (ppm/°C)	Operating Temp Range	Product Status	AEC-Q200
1-1622821-9	TE Connectivity	100 mOhms	±5%	0.25W	±350	-55°C ~ 125°C	Obsolete	No
CSR0805JKR100	Stackpole Electronics	100 mOhms	±5%	0.25W	±200	-55°C ~ 155°C	Active	No
CSR0805FKR100	Stackpole Electronics	100 mOhms	±1%	0.25W	±200	-55°C ~ 155°C	Active	No
ERJ-L06KJ10CV	Panasonic Electronic Components	100 mOhms	±5%	0.25W	±100	-55°C ~ 125°C	Active	Yes
ERJ-L06KF10CV	Panasonic Electronic Components	100 mOhms	±1%	0.25W	±100	-55°C ~ 125°C	Active	Yes
PT0805FR-7W0R1L	YAGEO	100 mOhms	±1%	0.25W	±100	-55°C ~ 155°C	Active	Yes
UCR10EVHJLR10	Rohm Semiconductor	100 mOhms	±5%	0.333W	0/+150	-55°C ~ 155°C	Active	Yes
UCR10EVHFLR100	Rohm Semiconductor	100 mOhms	±1%	0.333W	0/+150	-55°C ~ 155°C	Active	Yes

Engineering Selection Recommendations

Direct Tolerance Match (±5%):

For applications requiring tolerance specification identical to the original 1-1622821-9, the following active parts provide direct substitution:

CSR0805JKR100 (Stackpole Electronics): Active status, ±5% tolerance, 0.25W rating, extended operating temperature to 155°C, improved temperature coefficient (±200ppm/°C).
ERJ-L06KJ10CV (Panasonic Electronic Components): Active status, ±5% tolerance, 0.25W rating, AEC-Q200 automotive qualification, improved temperature coefficient (±100ppm/°C).
UCR10EVHJLR10 (Rohm Semiconductor): Active status, ±5% tolerance, 0.333W rating (higher power capability), AEC-Q200 automotive qualification, extended operating temperature to 155°C.

Improved Tolerance (±1%):

For applications where tighter tolerance specification enhances circuit performance, the following active parts provide substitution with improved accuracy:

CSR0805FKR100 (Stackpole Electronics): Active status, ±1% tolerance, 0.25W rating, extended operating temperature to 155°C, improved temperature coefficient (±200ppm/°C).
ERJ-L06KF10CV (Panasonic Electronic Components): Active status, ±1% tolerance, 0.25W rating, AEC-Q200 automotive qualification, improved temperature coefficient (±100ppm/°C).
PT0805FR-7W0R1L (YAGEO): Active status, ±1% tolerance, 0.25W rating, AEC-Q200 automotive qualification, moisture resistant composition, extended operating temperature to 155°C, improved temperature coefficient (±100ppm/°C).
UCR10EVHFLR100 (Rohm Semiconductor): Active status, ±1% tolerance, 0.333W rating (higher power capability), AEC-Q200 automotive qualification, extended operating temperature to 155°C.

Automotive Applications:

For designs requiring AEC-Q200 automotive qualification, select from: ERJ-L06KJ10CV, ERJ-L06KF10CV, PT0805FR-7W0R1L, UCR10EVHJLR10, or UCR10EVHFLR100.

Frequently Asked Questions (FAQ)

Q: Can I substitute the obsolete 1-1622821-9 with any of the listed parts?

A: All listed substitute parts maintain the critical parameters: 100 mOhms resistance, 0805 package, thick film composition, and current sense functionality. Selection depends on tolerance requirement (±5% or ±1%), power rating needs, and automotive qualification requirements.

Q: What is the difference between ±5% and ±1% tolerance parts?

A: Tolerance specifies the acceptable deviation from the nominal 100 mOhms resistance value. ±5% tolerance allows deviation from 95 mOhms to 105 mOhms. ±1% tolerance allows deviation from 99 mOhms to 101 mOhms. Tighter tolerance (±1%) provides improved measurement accuracy in current sensing circuits.

Q: Are all substitute parts in the same 0805 package?

A: Yes. All substitute parts use the 0805 (2012 Metric) package with identical footprint dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm). Physical board layout compatibility is maintained across all substitutes.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive industry standard qualification for passive components. Parts bearing this rating have undergone rigorous testing for automotive applications. ERJ-L06 series (Panasonic), PT0805FR series (YAGEO), and UCR series (Rohm) parts include this qualification.

Q: Can I use a 0.333W (1/3W) rated part in place of the 0.25W (1/4W) original?

A: Yes. Higher power rating provides additional thermal margin. UCR10EVHJLR10 and UCR10EVHFLR100 (Rohm Semiconductor) offer 0.333W rating while maintaining all other critical parameters. This substitution is acceptable for current sense applications.

Q: What is the Moisture Sensitivity Level (MSL)?

A: MSL 1 (Unlimited) indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All substitute parts maintain MSL 1 classification.

Q: How do temperature coefficients affect circuit performance?

A: Temperature coefficient specifies resistance change per degree Celsius. The original part has ±350ppm/°C. Substitute parts offer improved coefficients (±200ppm/°C, ±100ppm/°C, or 0/+150ppm/°C), resulting in more stable resistance values across the operating temperature range.

Q: Which substitute provides the best overall performance upgrade?

A: PT0805FR-7W0R1L (YAGEO) combines ±1% tolerance, AEC-Q200 qualification, moisture resistant composition, extended operating temperature (-55°C ~ 155°C), and improved temperature coefficient (±100ppm/°C) in a 0.25W package matching the original specification.

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