CB3JB100R Equivalent & Substitute Parts

Part Overview

The CB3JB100R is a 100 Ohm, 3W axial wirewound resistor manufactured by Stackpole Electronics Inc. This through-hole component features flame-proof and moisture-resistant construction with a ±5% tolerance, designed for applications requiring robust thermal and environmental performance. The part maintains Active product status with 1142 units currently in stock. Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and application-specific requirements where alternative manufacturers or package configurations may be preferred.

Key Parameters

Parameter	Value
Resistance	100 Ohms
Tolerance	±5%
Power Rating	3W
Composition	Wirewound
Package Type	Axial
Temperature Coefficient	±200ppm/°C
Operating Temperature Range	-55°C ~ 275°C
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts for the CB3JB100R are qualified based on the following critical parameters that determine functional equivalence:

Resistance value: 100 Ohms (exact match required)
Tolerance: ±5% (exact match required)
Power rating: 3W (exact match required)
Composition: Wirewound (exact match required)
Package type: Axial (exact match required)
Regulatory compliance: ROHS3 Compliant and REACH Unaffected (exact match required)

The substitute parts PNP300JR-73-100R and PNP3WVJR-73-100R, both manufactured by YAGEO, meet all core electrical and mechanical parameters. Both substitutes are wirewound axial resistors with 100 Ohm resistance, ±5% tolerance, and 3W power rating. Both maintain ROHS3 compliance and REACH Unaffected status. Differences in physical dimensions and operating temperature ranges are noted in the parameter comparison table below.

Parameter Comparison

Parameter	CB3JB100R (Stackpole)	PNP300JR-73-100R (YAGEO)	PNP3WVJR-73-100R (YAGEO)
Resistance	100 Ohms	100 Ohms	100 Ohms
Tolerance	±5%	±5%	±5%
Power Rating	3W	3W	3W
Composition	Wirewound	Wirewound	Wirewound
Package Type	Axial	Axial	Axial
Size / Dimension	0.315" Square x 0.866" L (8.00mm x 22.00mm)	0.181" Dia x 0.453" L (4.60mm x 11.50mm)	0.217" Dia x 0.512" L (5.50mm x 13.00mm)
Operating Temperature Range	-55°C ~ 275°C	-40°C ~ 200°C	-40°C ~ 200°C
Temperature Coefficient	±200ppm/°C	Not specified	Not specified
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
Packaging	Bulk	Cut Tape (CT)	Cut Tape (CT)
Inventory Availability	1142 Pcs	39627 Pcs	2640 Pcs

Engineering Selection Recommendations

All three parts—CB3JB100R, PNP300JR-73-100R, and PNP3WVJR-73-100R—are Active status components with full ROHS3 compliance and REACH Unaffected certification, meeting current regulatory requirements for electronic component deployment.

Selection between these parts should be based on application-specific constraints:

The CB3JB100R offers the widest operating temperature range (-55°C ~ 275°C) and is suitable for high-temperature applications. The YAGEO substitutes (PNP300JR-73-100R and PNP3WVJR-73-100R) operate within -40°C ~ 200°C and feature more compact physical dimensions, making them advantageous for space-constrained designs. The PNP300JR-73-100R provides the smallest footprint (4.60mm x 11.50mm), while the PNP3WVJR-73-100R offers an intermediate size (5.50mm x 13.00mm).

Packaging format differs: the CB3JB100R is supplied in Bulk, while both YAGEO alternatives are supplied in Cut Tape (CT) format. Inventory availability is significantly higher for the PNP300JR-73-100R (39627 units), providing superior supply chain flexibility.

Frequently Asked Questions (FAQ)

Q: Can PNP300JR-73-100R or PNP3WVJR-73-100R be used as direct replacements for CB3JB100R?

A: Yes, both YAGEO parts are functionally equivalent substitutes. All three components share identical electrical specifications: 100 Ohm resistance, ±5% tolerance, and 3W power rating in wirewound axial configuration. Physical dimensions and operating temperature ranges differ and must be evaluated against specific application requirements.

Q: What are the key differences between the two YAGEO substitutes?

A: PNP300JR-73-100R and PNP3WVJR-73-100R differ only in physical dimensions. The PNP300JR-73-100R measures 0.181" Dia x 0.453" L (4.60mm x 11.50mm), while the PNP3WVJR-73-100R measures 0.217" Dia x 0.512" L (5.50mm x 13.00mm). Both operate within identical temperature ranges (-40°C ~ 200°C) and share all electrical parameters.

Q: Are there temperature limitations when substituting CB3JB100R with YAGEO parts?

A: Yes. The CB3JB100R operates from -55°C ~ 275°C, while both YAGEO substitutes operate from -40°C ~ 200°C. Applications requiring operation below -40°C or above 200°C must use the CB3JB100R or verify alternative solutions.

Q: How do packaging formats affect component selection?

A: CB3JB100R is supplied in Bulk packaging, suitable for manual assembly or large-volume procurement. PNP300JR-73-100R and PNP3WVJR-73-100R are supplied in Cut Tape (CT) format, optimized for automated pick-and-place assembly and tape-reel handling. Selection depends on assembly process requirements and inventory management practices.

Q: Which substitute offers the best space efficiency?

A: PNP300JR-73-100R provides the smallest footprint at 4.60mm x 11.50mm, making it the optimal choice for space-constrained PCB layouts. The CB3JB100R, at 8.00mm x 22.00mm, requires significantly more board space.

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