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HA3-2525-5 Equivalent & Substitute Parts
Part Overview
The HA3-2525-5 is a general-purpose operational amplifier manufactured by Renesas Electronics Corporation in an 8-DIP through-hole package. This device is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and production requirements. The HA3-2525-5 delivers 1 circuit with a 20 MHz gain bandwidth product and 120 V/µs slew rate, suitable for general-purpose amplification applications requiring moderate performance specifications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 1 | — |
| Slew Rate | 120 | V/µs |
| Gain Bandwidth Product | 20 | MHz |
| Current - Input Bias | 125 | nA |
| Voltage - Input Offset | 5 | mV |
| Current - Supply | 4 | mA |
| Current - Output / Channel | 20 | mA |
| Voltage - Supply Span (Min) | 8 | V |
| Voltage - Supply Span (Max) | 36 | V |
| Operating Temperature | 0 to 75 | °C |
| Package / Case | 8-DIP (0.300", 7.62mm) | — |
| Mounting Type | Through Hole | — |
| RoHS Status | RoHS non-compliant | — |
Substitute Part Grouping Explanation
Substitution of the HA3-2525-5 is determined by electrical and mechanical compatibility across the following critical parameters:
Mechanical Compatibility: All substitute parts must use the 8-DIP (0.300", 7.62mm) through-hole package to ensure direct socket compatibility without PCB redesign.
Electrical Compatibility: Substitute parts must operate within the supply voltage range of 8 V to 36 V minimum and maximum. The slew rate (120 V/µs) and gain bandwidth product (20 MHz) establish the performance envelope. Input bias current (125 nA), input offset voltage (5 mV), and output current capability (20 mA) define the signal integrity requirements.
Functional Compatibility: All substitute parts are general-purpose operational amplifiers with 1 circuit configuration, maintaining functional equivalence for standard amplification applications.
Product Status Consideration: The HA3-2525-5 is obsolete. Direct equivalent HA3-2525-5Z (Renesas, active status, tube packaging) provides identical electrical specifications with improved compliance status. Additional substitutes from active manufacturers (Analog Devices, Texas Instruments) offer varying performance characteristics within acceptable operating parameters.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Slew Rate (V/µs) | GBW (MHz) | Input Bias (nA) | Input Offset (mV/µV) | Supply Current (mA) | Output Current (mA) | Supply Min (V) | Supply Max (V) | Temp Range (°C) | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HA3-2525-5 | Renesas | Obsolete | 120 | 20 | 125 | 5 mV | 4 | 20 | 8 | 36 | 0 to 75 | Non-compliant |
| HA3-2525-5Z | Renesas | Active | 120 | 20 | 125 | 5 mV | 4 | 20 | 8 | 36 | 0 to 75 | RoHS3 Compliant |
| LM318P | Texas Instruments | Active | 70 | 15 | 150 | 4 mV | 5 | — | 10 | 40 | 0 to 70 | RoHS3 Compliant |
| LM741CN/NOPB | Texas Instruments | Active | 0.5 | 1.5 | 80 | 2 mV | 1.7 | 25 | 10 | 36 | 0 to 70 | RoHS3 Compliant |
| AD797ANZ | Analog Devices | Active | 20 | 110 | 250 | 25 µV | 8.2 | 50 | 10 | 30 | -40 to 85 | RoHS3 Compliant |
| OP07CPZ | Analog Devices | Active | 0.3 | — | 1.8 | 60 µV | — | — | 6 | 36 | -40 to 85 | RoHS3 Compliant |
| OP07DNZ | Analog Devices | Active | 0.2 | 0.6 | 0.2 | 45 µV | 1.1 | 15 | 8 | 36 | -40 to 125 | RoHS3 Compliant |
| OP07EPZ | Analog Devices | Active | 0.3 | — | 1.2 | 30 µV | — | — | 6 | 36 | 0 to 70 | RoHS3 Compliant |
| OP177FPZ | Analog Devices | Active | 0.3 | 0.6 | 1.2 | 10 µV | 1.6 | — | 6 | 36 | -40 to 85 | RoHS3 Compliant |
| OP177GPZ | Analog Devices | Active | 0.3 | 0.6 | 1.2 | 20 µV | 1.6 | — | 6 | 36 | -40 to 85 | RoHS3 Compliant |
| OPA134PA | Texas Instruments | Active | 20 | 8 | 0.005 | 500 µV | 4 | 35 | 5 | 36 | -40 to 85 | RoHS3 Compliant |
Engineering Selection Recommendations
Direct Equivalent (Recommended for Obsolescence Mitigation):
HA3-2525-5Z is the direct functional and electrical equivalent manufactured by Renesas Electronics Corporation. This part maintains identical electrical specifications (120 V/µs slew rate, 20 MHz gain bandwidth product, 125 nA input bias current, 5 mV input offset voltage) and operates within the same supply voltage range (8 V to 36 V). The HA3-2525-5Z is active in production status and RoHS3 compliant, addressing the obsolescence and compliance limitations of the original HA3-2525-5. Tube packaging is standard for this equivalent.
Performance-Matched Substitutes (Active Status, RoHS3 Compliant):
LM318P (Texas Instruments) operates within the supply voltage range (10 V to 40 V) with comparable slew rate (70 V/µs) and gain bandwidth product (15 MHz). This part is suitable for applications where the HA3-2525-5 performance envelope is acceptable with minor derating.
LM741CN/NOPB (Texas Instruments) provides general-purpose amplification with lower performance specifications (0.5 V/µs slew rate, 1.5 MHz gain bandwidth product) but operates within the supply voltage range (10 V to 36 V). This part is appropriate for applications not requiring the full performance of the HA3-2525-5.
Extended Performance Substitutes (Active Status, RoHS3 Compliant):
AD797ANZ (Analog Devices) exceeds the HA3-2525-5 performance specifications with 110 MHz gain bandwidth product and 20 V/µs slew rate. Supply voltage range is 10 V to 30 V, which is narrower than the original part. This substitute is suitable for applications requiring enhanced performance within the specified supply voltage window.
OP07 Series (Analog Devices) — OP07CPZ, OP07DNZ, OP07EPZ — are precision operational amplifiers with very low input bias current (1.8 nA to 200 pA) and low input offset voltage (30 µV to 60 µV). These parts operate within the supply voltage range (6 V to 36 V) and are suitable for precision measurement and low-noise applications. Performance characteristics differ significantly from the HA3-2525-5 (slew rate 0.2 V/µs to 0.3 V/µs, gain bandwidth product 0.6 MHz or unspecified).
OP177 Series (Analog Devices) — OP177FPZ, OP177GPZ — are precision operational amplifiers with 0.3 V/µs slew rate, 0.6 MHz gain bandwidth product, and very low input offset voltage (10 µV to 20 µV). Supply voltage range is 6 V to 36 V. These parts are suitable for precision applications with extended operating temperature range (-40°C to 85°C).
OPA134PA (Texas Instruments) is an audio-grade operational amplifier with 20 V/µs slew rate and 8 MHz gain bandwidth product. Supply voltage range is 5 V to 36 V. This part is suitable for audio and signal conditioning applications requiring low input bias current (5 pA) and is RoHS3 compliant.
All recommended substitutes are active in production status and RoHS3 compliant, addressing the obsolescence and regulatory compliance requirements of the HA3-2525-5.
Frequently Asked Questions (FAQ)
Q: Can HA3-2525-5Z be used as a direct replacement for HA3-2525-5?
A: Yes. HA3-2525-5Z is electrically and functionally identical to HA3-2525-5, with identical slew rate (120 V/µs), gain bandwidth product (20 MHz), input bias current (125 nA), input offset voltage (5 mV), and supply voltage range (8 V to 36 V). Both use the 8-DIP through-hole package. HA3-2525-5Z is active in production and RoHS3 compliant, making it the preferred replacement for obsolete HA3-2525-5.
Q: What is the primary reason to substitute the HA3-2525-5?
A: The HA3-2525-5 is classified as obsolete. Substitution is necessary to ensure continued availability, production support, and regulatory compliance. HA3-2525-5Z provides identical performance with active production status and RoHS3 compliance.
Q: Are all substitute parts pin-compatible with HA3-2525-5?
A: All listed substitute parts use the 8-DIP (0.300", 7.62mm) through-hole package, ensuring mechanical compatibility. However, electrical performance characteristics vary. Verify that the substitute part's electrical specifications meet application requirements before implementation.
Q: What is the difference between OP07 and OP177 series parts?
A: Both OP07 and OP177 series are precision operational amplifiers with very low input bias current and input offset voltage. OP07 series variants (OP07CPZ, OP07DNZ, OP07EPZ) have slew rates between 0.2 V/µs and 0.3 V/µs with gain bandwidth products of 0.6 MHz or unspecified. OP177 series variants (OP177FPZ, OP177GPZ) have 0.3 V/µs slew rate and 0.6 MHz gain bandwidth product. Both operate within 6 V to 36 V supply range. Selection depends on specific precision and temperature range requirements.
Q: Can LM741CN/NOPB replace HA3-2525-5 in all applications?
A: LM741CN/NOPB has significantly lower performance specifications (0.5 V/µs slew rate, 1.5 MHz gain bandwidth product) compared to HA3-2525-5 (120 V/µs slew rate, 20 MHz gain bandwidth product). LM741CN/NOPB is suitable only for applications that do not require the full performance envelope of the HA3-2525-5. Verify application bandwidth and slew rate requirements before substitution.
Q: What is the supply voltage compatibility range for substitutes?
A: HA3-2525-5 operates from 8 V to 36 V. Most substitutes operate within overlapping ranges: LM318P (10 V to 40 V), LM741CN/NOPB (10 V to 36 V), AD797ANZ (10 V to 30 V), OP07 series (6 V to 36 V), OP177 series (6 V to 36 V), OPA134PA (5 V to 36 V). Verify that the substitute part's supply voltage range accommodates the application's power supply specifications.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All listed substitute parts are RoHS3 compliant. The original HA3-2525-5 is RoHS non-compliant. HA3-2525-5Z and all other substitutes meet RoHS3 compliance requirements, addressing regulatory requirements for new designs and production.
Q: What is the operating temperature range for each substitute?
A: HA3-2525-5 operates from 0°C to 75°C. Substitutes vary: LM318P (0°C to 70°C), LM741CN/NOPB (0°C to 70°C), AD797ANZ (-40°C to 85°C), OP07CPZ (-40°C to 85°C), OP07DNZ (-40°C to 125°C), OP07EPZ (0°C to 70°C), OP177FPZ (-40°C to 85°C), OP177GPZ (-40°C to 85°C), OPA134PA (-40°C to 85°C). Select substitutes based on application temperature requirements.
Q: Which substitute offers the highest slew rate?
A: HA3-2525-5Z maintains the original 120 V/µs slew rate. Among other substitutes, AD797ANZ provides 20 V/µs, OPA134PA provides 20 V/µs, and LM318P provides 70 V/µs. OP07 and OP177 series parts have significantly lower slew rates (0.2 V/µs to 0.3 V/µs) and are intended for precision applications rather than high-speed amplification.
Q: Which substitute offers the lowest input offset voltage?
A: OP07 and OP177 series parts offer the lowest input offset voltages: OP07DNZ (45 µV), OP07EPZ (30 µV), OP07CPZ (60 µV), OP177FPZ (10 µV), OP177GPZ (20 µV). These precision amplifiers are suitable for applications requiring minimal offset voltage. HA3-2525-5 has 5 mV input offset voltage, which is significantly higher.
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