PEC11-4025F-N0024 Rotary Encoder Mechanical 24PPR Equivalent & Substitute Parts

Part Overview

The PEC11-4025F-N0024 is a mechanical rotary encoder manufactured by Bourns Inc., classified as a 24 pulses per revolution (PPR) quadrature incremental encoder with vertical orientation and PC pin termination. The product is currently obsolete, necessitating identification of active equivalent and substitute components for ongoing applications. Substitute parts are selected based on matching electrical output characteristics, mechanical form factor, and mounting compatibility while accounting for variations in rotational life specifications and resolution options.

Key Parameters

Parameter	Value
Manufacturer	Bourns Inc.
Series	PEC11
Encoder Type	Mechanical
Output Type	Quadrature (Incremental)
Pulses per Revolution	24
Actuator Type	6mm Dia Flatted End
Mounting Type	Panel, PCB Through Hole
Orientation	Vertical
Termination Style	PC Pin
Rotational Life (Cycles Min)	30K
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the PEC11-4025F-N0024 is determined by the following criteria:

Direct Equivalent (Identical Specifications):

Encoder Type: Mechanical
Output Type: Quadrature (Incremental)
Pulses per Revolution: 24
Actuator Type: 6mm Dia Flatted End
Mounting Type: Panel, PCB Through Hole
Orientation: Vertical
Termination Style: PC Pin

Compatible Alternatives (Functional Substitutes):

Same encoder type, output type, actuator, mounting, orientation, and termination
Variations in pulses per revolution (12, 15, 18, 20 PPR options available)
Variations in rotational life (30K or 100K cycles minimum)
Series variants within PEC11 family (PEC11R, PEC11L designations)

All substitute parts maintain ROHS3 compliance and mechanical compatibility with the original mounting interface.

Parameter Comparison

Part Number	Manufacturer	Series	PPR	Encoder Type	Output Type	Actuator	Mounting	Orientation	Termination	Rotational Life (Cycles Min)	Product Status	Inventory (Pcs)
PEC11-4025F-N0024	Bourns Inc.	PEC11	24	Mechanical	Quadrature (Incremental)	6mm Dia Flatted End	Panel, PCB Through Hole	Vertical	PC Pin	30K	Obsolete	842
PEC11R-4025F-N0024	Bourns Inc.	PEC11R	24	Mechanical	Quadrature (Incremental)	6mm Dia Flatted End	Panel, PCB Through Hole	Vertical	PC Pin	30K	Active	1328
PEC11R-4015F-N0024	Bourns Inc.	PEC11R	24	Mechanical	Quadrature (Incremental)	6mm Dia Flatted End	Panel, PCB Through Hole	Vertical	PC Pin	30K	Active	5043
PEC11R-4020F-N0024	Bourns Inc.	PEC11R	24	Mechanical	Quadrature (Incremental)	6mm Dia Flatted End	Panel, PCB Through Hole	Vertical	PC Pin	30K	Active	969
PEC11L-4020F-N0020	Bourns Inc.	PEC11	20	Mechanical	Quadrature (Incremental)	6mm Dia Flatted End	Panel, PCB Through Hole	Vertical	PC Pin	100K	Active	1907
PEC11L-4015F-N0020	Bourns Inc.	PEC11	20	Mechanical	Quadrature (Incremental)	6mm Dia Flatted End	Panel, PCB Through Hole	Vertical	PC Pin	100K	Active	667
PEC11L-4015F-N0015	Bourns Inc.	PEC11	15	Mechanical	Quadrature (Incremental)	6mm Dia Flatted End	Panel, PCB Through Hole	Vertical	PC Pin	100K	Active	1090
PEC11R-4015F-N0012	Bourns Inc.	PEC11R	12	Mechanical	Quadrature (Incremental)	6mm Dia Flatted End	Panel, PCB Through Hole	Vertical	PC Pin	30K	Active	1938
PEC11R-4020F-N0012	Bourns Inc.	PEC11R	12	Mechanical	Quadrature (Incremental)	6mm Dia Flatted End	Panel, PCB Through Hole	Vertical	PC Pin	30K	Active	1572
PEC11R-4015F-N0018	Bourns Inc.	PEC11R	18	Mechanical	Quadrature (Incremental)	6mm Dia Flatted End	Panel, PCB Through Hole	Vertical	PC Pin	30K	Active	893
PEC11R-4020F-N0018	Bourns Inc.	PEC11R	18	Mechanical	Quadrature (Incremental)	6mm Dia Flatted End	Panel, PCB Through Hole	Vertical	PC Pin	30K	Active	786

Engineering Selection Recommendations

Primary Direct Equivalent: PEC11R-4025F-N0024 provides identical electrical and mechanical specifications to the obsolete PEC11-4025F-N0024. This part is active, ROHS3 compliant, and maintains 24 PPR resolution with 30K rotational life cycles. Selection of this part eliminates design modification requirements.

Alternative 24 PPR Options: PEC11R-4015F-N0024 and PEC11R-4020F-N0024 maintain 24 PPR resolution and are active products with ROHS3 compliance. These variants differ in internal mechanical configuration but deliver identical quadrature output resolution.

Lower Resolution Alternatives: Parts with 12, 15, 18, or 20 PPR specifications are suitable only when application firmware or mechanical design accommodates reduced encoder resolution. PEC11L series variants offer extended rotational life (100K cycles) at the cost of lower PPR options (15 or 20 PPR).

Compliance Status: All listed substitute parts maintain ROHS3 compliance and EAR99 export classification consistent with the original part.

Frequently Asked Questions (FAQ)

Q: Can PEC11R-4025F-N0024 directly replace PEC11-4025F-N0024? A: Yes. Both parts share identical specifications: 24 PPR, quadrature output, 6mm flatted actuator, vertical orientation, PC pin termination, and 30K rotational life. The primary difference is product status (active vs. obsolete) and packaging format (tray vs. original packaging).

Q: What is the difference between PEC11R and PEC11L series variants? A: Series designation indicates internal mechanical configuration. Both maintain identical electrical output characteristics and mechanical form factors. Selection between series is based on availability and rotational life requirements.

Q: Can I use a 20 PPR encoder as a substitute for the 24 PPR original? A: Only if application firmware and mechanical design accommodate the reduced resolution. The 20 PPR parts (PEC11L-4020F-N0020, PEC11L-4015F-N0020) are mechanically compatible but deliver different pulse counts per revolution. This requires validation against application requirements.

Q: What is the significance of the rotational life specification? A: Rotational life indicates the minimum number of mechanical cycles before wear-related degradation. The original part specifies 30K cycles minimum. PEC11L variants offer 100K cycles, providing extended operational life in high-cycle applications.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and are suitable for applications with RoHS requirements.

Q: What packaging formats are available? A: The original PEC11-4025F-N0024 was supplied in standard packaging. Active substitute parts are available in tray packaging. Confirm packaging requirements with procurement specifications.

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