LM236DG4-2-5 Equivalent & Substitute Parts

Part Overview

The LM236DG4-2-5 is a shunt voltage reference IC manufactured by Texas Instruments, designed for precision voltage reference applications in power management circuits. This component generates a fixed 2.49V output with ±2% tolerance and supports a maximum output current of 10 mA. The part is classified as obsolete, which necessitates identification of active equivalent alternatives to maintain design continuity and ensure long-term component availability for new production and field service applications.

Substiute Parts

LM236DG4-2-5
Texas InstrumentsIn Stock: 12182LM236DG4-2-5 Datasheet
LM236DG4-2-5
Current Part
LM236D-2-5
Texas InstrumentsIn Stock: 1503LM236D-2-5 Datasheet
LM236D-2-5
MFR Recommended

Key Parameters

Parameter Value
Manufacturer Part Number LM236DG4-2-5
Manufacturer Texas Instruments
Category Power Management (PMIC)
Reference Type Shunt
Output Type Fixed
Voltage - Output (Fixed) 2.49V
Current - Output 10 mA
Tolerance ±2%
Current - Cathode 400 µA
Operating Temperature Range -25°C ~ 85°C (TA)
Package / Case 8-SOIC (0.154", 3.90mm Width)
Mounting Type Surface Mount
Product Status Obsolete
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the LM236DG4-2-5 is determined by strict equivalence across the following critical parameters:

  • Reference Type: Shunt voltage reference architecture
  • Output Voltage: Fixed 2.49V output
  • Output Current Capability: 10 mA maximum
  • Voltage Tolerance: ±2%
  • Cathode Current: 400 µA
  • Operating Temperature Range: -25°C ~ 85°C
  • Package Configuration: 8-SOIC surface mount
  • Compliance Standards: ROHS3 Compliant, REACH Unaffected

The LM236D-2-5 qualifies as a direct manufacturer-recommended substitute because it maintains identical electrical specifications and mechanical packaging while offering active product status and current manufacturing availability.

Parameter Comparison

Parameter LM236DG4-2-5 (Main Part) LM236D-2-5 (Substitute) Match Status
Manufacturer Texas Instruments Texas Instruments Identical
Reference Type Shunt Shunt Identical
Output Type Fixed Fixed Identical
Voltage - Output (Fixed) 2.49V 2.49V Identical
Current - Output 10 mA 10 mA Identical
Tolerance ±2% ±2% Identical
Current - Cathode 400 µA 400 µA Identical
Operating Temperature Range -25°C ~ 85°C (TA) -25°C ~ 85°C (TA) Identical
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) Identical
Mounting Type Surface Mount Surface Mount Identical
Product Status Obsolete Active Substitute is Active
RoHS Status ROHS3 Compliant ROHS3 Compliant Identical
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) Identical

Engineering Selection Recommendations

The LM236D-2-5 is the appropriate substitute for the obsolete LM236DG4-2-5 based on the following engineering criteria:

  • All electrical parameters are identical, ensuring direct functional equivalence in circuit applications
  • The substitute maintains the same 8-SOIC package footprint, allowing direct PCB layout compatibility without redesign
  • The substitute part is in active production status, providing assured long-term availability and supply chain continuity
  • Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory and environmental requirements
  • Moisture sensitivity classification remains unchanged at MSL 1 (Unlimited), preserving handling and storage protocols

Frequently Asked Questions (FAQ)

Q: Can the LM236D-2-5 be used as a direct replacement for the LM236DG4-2-5 without circuit modification?

A: Yes. The LM236D-2-5 is electrically and mechanically identical to the LM236DG4-2-5 across all specified parameters. No circuit modifications are required for substitution.

Q: What is the primary reason for substituting the LM236DG4-2-5?

A: The LM236DG4-2-5 is classified as obsolete. The LM236D-2-5 is the manufacturer-recommended active equivalent that ensures continued component availability for production and field service applications.

Q: Are the package dimensions identical between these parts?

A: Yes. Both parts use the 8-SOIC package with 0.154" (3.90mm) width. PCB footprints and assembly processes remain unchanged.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the LM236DG4-2-5 and LM236D-2-5 are ROHS3 compliant and REACH unaffected, maintaining identical regulatory status.

Q: Is there any difference in output voltage or tolerance specifications?

A: No. Both parts deliver a fixed 2.49V output with ±2% tolerance and support 10 mA maximum output current with 400 µA cathode current.

Q: What is the operating temperature range for both parts?

A: Both parts operate across the temperature range of -25°C to 85°C (TA), with identical thermal performance characteristics.

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