AP432RG-7 Equivalent & Substitute Parts

Part Overview

The AP432RG-7 is a shunt voltage reference IC manufactured by Diodes Incorporated, classified as a Power Management (PMIC) component. This adjustable shunt reference provides a fixed output of 1.24V with a maximum output voltage of 20V and supports up to 200mA output current. The device is packaged in SC-59R (SOT-23-3) surface mount configuration.

The AP432RG-7 carries an Obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this reference voltage architecture.

Substiute Parts

AP432RG-7

Diodes IncorporatedIn Stock: 212348AP432RG-7 Datasheet

Current PartRFQ

AZ431LANTR-E1

Diodes IncorporatedIn Stock: 185111AZ431LANTR-E1 Datasheet

MFR RecommendedRFQ

AP432RL-7

Diodes IncorporatedIn Stock: 17962AP432RL-7 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AP432RG-7 are identified based on strict electrical and mechanical parameter compatibility within the shunt voltage reference IC category. The substitution logic is based on the following key parameters:

Electrical Compatibility Criteria:

• Reference Type: Shunt (required match)
• Output Type: Adjustable (required match)
• Voltage - Output (Min/Fixed): 1.24V (required match)
• Voltage - Output (Max): Must equal or exceed 20V
• Current - Output: Must equal or exceed 200mA
• Tolerance: ±1% or better (lower tolerance values are acceptable)
• Temperature Coefficient: 30ppm/°C or better (lower values are acceptable)
• Operating Temperature Range: Must encompass or exceed -20°C ~ 85°C

Mechanical Compatibility Criteria:

• Package / Case: TO-236-3, SC-59, or SOT-23-3 (same physical footprint family)
• Mounting Type: Surface Mount (required match)

Compliance Criteria:

• RoHS Status: ROHS3 Compliant (required match)
• MSL Rating: 3 (168 Hours) or equivalent

Two substitute parts meet these criteria:

1. AZ431LANTR-E1 (MFR Recommended): Active product status with improved electrical specifications (±0.5% tolerance, 20ppm/°C temperature coefficient). Meets all electrical requirements with enhanced performance characteristics.

2. AP432RL-7 (Parametric Equivalent): Identical electrical specifications to the main part with matching tolerance and temperature coefficient. Differs only in packaging format (Tape & Reel vs. Cut Tape).

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): AP432RL-7 provides parametric equivalence to AP432RG-7 with identical electrical performance. Both devices are obsolete products. Selection between these two is determined by packaging requirements: AP432RG-7 is supplied in Cut Tape format, while AP432RL-7 is supplied in Tape & Reel format. Both maintain ROHS3 compliance and equivalent MSL ratings.

For Active Product Substitution: AZ431LANTR-E1 is the manufacturer-recommended substitute and carries Active product status, ensuring long-term availability and supply chain continuity. This device meets all electrical compatibility requirements with the following distinctions:

• Enhanced tolerance specification (±0.5% vs. ±1%) provides improved output voltage accuracy
• Superior temperature coefficient (20ppm/°C typical vs. 30ppm/°C) reduces temperature-dependent drift
• Extended operating temperature range (-40°C ~ 125°C vs. -20°C ~ 85°C) supports broader environmental applications
• Reduced cathode current (80µA vs. 300µA) decreases quiescent power consumption
• Maximum output current is 100mA (vs. 200mA) and maximum output voltage is 18V (vs. 20V)

Selection of AZ431LANTR-E1 is appropriate when design margins accommodate the reduced current and voltage specifications, and when the improved performance characteristics provide system-level benefits. All three parts maintain ROHS3 compliance and equivalent moisture sensitivity ratings.

Frequently Asked Questions (FAQ)

Q: Can AZ431LANTR-E1 replace AP432RG-7 in all applications?

A: AZ431LANTR-E1 is electrically compatible for applications where the output current requirement does not exceed 100mA and the maximum output voltage requirement does not exceed 18V. The improved tolerance (±0.5%) and temperature coefficient (20ppm/°C) are backward-compatible enhancements. Applications requiring the full 200mA output current or 20V maximum output voltage must use AP432RL-7 or source remaining AP432RG-7 inventory.

Q: What is the difference between AP432RG-7 and AP432RL-7?

A: AP432RG-7 and AP432RL-7 are parametrically identical shunt voltage reference ICs with matching electrical specifications. The primary difference is packaging format: AP432RG-7 is supplied in Cut Tape (CT) & Digi-Reel format, while AP432RL-7 is supplied in Tape & Reel (TR) format. Both are obsolete products from Diodes Incorporated.

Q: Why is AZ431LANTR-E1 recommended as the primary substitute?

A: AZ431LANTR-E1 carries Active product status, ensuring continued manufacturing and supply availability. The device is manufactured by the same supplier (Diodes Incorporated) and maintains identical package footprint (SOT-23-3). Enhanced electrical specifications provide improved system performance. For applications within the 100mA and 18V operating envelope, AZ431LANTR-E1 is the preferred long-term solution.

Q: Are all three parts pin-compatible?

A: Yes. AP432RG-7, AP432RL-7, and AZ431LANTR-E1 all use the TO-236-3/SC-59/SOT-23-3 package family with identical pinout configuration, enabling direct PCB-level substitution without layout modifications.

Q: What compliance certifications apply to these parts?

A: All three parts are ROHS3 compliant and carry MSL rating 3 (168 Hours). All parts are REACH Unaffected and classified under ECCN EAR99 for export control purposes.