CMP1206AFX-1000ELF Equivalent & Substitute Parts

Part Overview

The CMP1206AFX-1000ELF is a 100 Ohms ±1% 0.75W chip resistor in 1206 (3216 Metric) package manufactured by Bourns Inc. This thick film resistor features anti-sulfur coating, automotive AEC-Q200 qualification, moisture resistance, and pulse withstanding capability. The part is active in production status with 715 pieces currently in stock. Substitute parts are identified to provide alternative sourcing options while maintaining electrical and mechanical compatibility for applications requiring identical performance specifications.

Key Parameters

Parameter	Specification
Resistance Value	100 Ohms
Tolerance	±1%
Power Rating	0.75W (3/4W)
Package Type	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Automotive Rating	AEC-Q200
Features	Anti-Sulfur, Moisture Resistant, Pulse Withstanding
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the CMP1206AFX-1000ELF are identified based on strict electrical and mechanical parameter matching. The substitution criteria are:

Electrical Parameters:

Resistance value: 100 Ohms
Tolerance: ±1%
Power rating: 0.75W
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C

Mechanical Parameters:

Package type: 1206 (3216 Metric)
Physical dimensions: 0.122" L x 0.063" W (3.10mm x 1.60mm)
Height seated maximum: 0.026" (0.65mm)
Number of terminations: 2

Compliance & Features:

Composition: Thick Film
Automotive qualification: AEC-Q200
Features: Anti-Sulfur, Moisture Resistant, Pulse Withstanding
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: MSL 1

Parts meeting all these parameters are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Parameter	CMP1206AFX-1000ELF	CHP1206AFX-1000ELF	Match Status
Manufacturer	Bourns Inc.	Bourns Inc.	Identical
Resistance	100 Ohms	100 Ohms	Identical
Tolerance	±1%	±1%	Identical
Power Rating	0.75W	0.75W	Identical
Package	1206 (3216 Metric)	1206 (3216 Metric)	Identical
Composition	Thick Film	Thick Film	Identical
Temperature Coefficient	±100ppm/°C	±100ppm/°C	Identical
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	Identical
AEC-Q200 Rating	Yes	Yes	Identical
Anti-Sulfur Feature	Yes	Yes	Identical
Moisture Resistant	Yes	Yes	Identical
Pulse Withstanding	Yes	Yes	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
MSL Rating	MSL 1 (Unlimited)	MSL 1 (Unlimited)	Identical
Physical Dimensions	0.122" L x 0.063" W (3.10mm x 1.60mm)	0.122" L x 0.063" W (3.10mm x 1.60mm)	Identical
Height - Seated (Max)	0.026" (0.65mm)	0.026" (0.65mm)	Identical
Terminations	2	2	Identical
Product Status	Active	Active	Identical

Engineering Selection Recommendations

The CHP1206AFX-1000ELF is a direct parametric equivalent to the CMP1206AFX-1000ELF. Both parts are manufactured by Bourns Inc. and share identical electrical specifications, mechanical dimensions, and compliance certifications. The substitute part maintains full compatibility with applications designed for the CMP1206AFX-1000ELF.

Both parts carry active product status and are ROHS3 compliant. The AEC-Q200 automotive qualification is present on both parts, confirming suitability for automotive applications. The MSL 1 rating on both parts indicates unlimited moisture sensitivity protection. Selection between these parts can be based on inventory availability and lead time requirements, as all technical parameters are equivalent.

Frequently Asked Questions (FAQ)

Q: Can CHP1206AFX-1000ELF be used as a direct replacement for CMP1206AFX-1000ELF?

A: Yes. The CHP1206AFX-1000ELF is a parametric equivalent with identical electrical specifications (100 Ohms ±1%, 0.75W), mechanical package (1206), composition (thick film), temperature characteristics (±100ppm/°C, -55°C to 155°C), and compliance ratings (AEC-Q200, ROHS3). Direct substitution is supported.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both parts share identical dimensions of 0.122" L x 0.063" W (3.10mm x 1.60mm) with a maximum seated height of 0.026" (0.65mm). PCB footprints and assembly processes remain unchanged.

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both CMP1206AFX-1000ELF and CHP1206AFX-1000ELF carry AEC-Q200 automotive qualification. Both are suitable for automotive applications requiring this certification.

Q: What is the difference between the CMP-A and CHP-A series designations?

A: The series designation (CMP-A versus CHP-A) reflects internal Bourns manufacturing classifications. Both series share identical electrical and mechanical specifications for this 100 Ohm 0.75W 1206 resistor. The difference does not affect functional performance or compatibility.

Q: Are moisture sensitivity levels the same?

A: Yes. Both parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions for storage or handling.

Q: Can these parts be used interchangeably in production?

A: Yes. The parts are parametric equivalents with identical specifications. They can be used interchangeably in production designs without circuit modifications or re-qualification.

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