REF4132B50DBVR Equivalent & Substitute Parts

Part Overview

The REF4132B50DBVR is a Series Voltage Reference IC manufactured by Texas Instruments, classified as a Power Management (PMIC) component. This fixed 5V output reference device operates with ±0.05% tolerance and delivers 10 mA output current in a compact SOT-23-5 surface mount package. The part maintains Active product status and is RoHS3 compliant. Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and operational specifications align with the original design requirements, enabling component procurement flexibility and supply chain continuity.

Substiute Parts

REF4132B50DBVR

Texas InstrumentsIn Stock: 1247REF4132B50DBVR Datasheet

Current PartRFQ

REF4132B50DBVRQ1

Texas InstrumentsIn Stock: 3442REF4132B50DBVRQ1 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the REF4132B50DBVR are identified based on strict electrical and mechanical parameter equivalence. The following criteria determine substitution eligibility:

Electrical Parameters:

• Fixed output voltage of 5V
• Output current capability of 10 mA
• Tolerance specification of ±0.05%
• Temperature coefficient of 30ppm/°C
• Noise performance: 15µVp-p (0.1Hz to 10Hz) and 24µVrms (10Hz to 10kHz)
• Input voltage range of 5.05V ~ 5.5V
• Supply current of 100µA
• Operating temperature range of -40°C ~ 125°C

Mechanical Parameters:

• Surface mount mounting type
• SOT-23-5 package configuration (SC-74A, SOT-753)
• Tape & Reel packaging format

Compliance Parameters:

• RoHS3 compliance
• Moisture Sensitivity Level 2 (1 Year)
• Active product status

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

Parameter Comparison

Engineering Selection Recommendations

REF4132B50DBVRQ1 is a direct parametric equivalent to the REF4132B50DBVR. Both parts share identical electrical specifications, mechanical packaging, and compliance certifications. The REF4132B50DBVRQ1 carries automotive-grade qualification (AEC-Q100) and is designated for automotive applications, whereas the REF4132B50DBVR is the standard industrial-grade variant. Selection between these parts depends on application requirements: the automotive-qualified REF4132B50DBVRQ1 is appropriate for automotive and mission-critical applications requiring AEC-Q100 certification, while the REF4132B50DBVR serves general industrial and commercial applications. Both parts maintain Active product status and full RoHS3 compliance. Inventory availability differs, with REF4132B50DBVRQ1 offering 3395 units and REF4132B50DBVR offering 1235 units in stock.

Frequently Asked Questions (FAQ)

Q: Can REF4132B50DBVRQ1 replace REF4132B50DBVR in any application?

A: REF4132B50DBVRQ1 is electrically and mechanically equivalent to REF4132B50DBVR. The primary distinction is automotive-grade qualification (AEC-Q100). REF4132B50DBVRQ1 can replace REF4132B50DBVR in applications where automotive qualification is not required. Conversely, REF4132B50DBVR cannot replace REF4132B50DBVRQ1 in applications requiring AEC-Q100 certification.

Q: Are the package dimensions identical between these parts?

A: Both parts use the SOT-23-5 package configuration (SC-74A, SOT-753) with identical mechanical specifications. PCB layout and footprint compatibility are equivalent.

Q: What is the difference in output voltage accuracy between these parts?

A: Both parts maintain ±0.05% tolerance on the 5V fixed output. Output voltage accuracy is identical.

Q: Do these parts have the same thermal characteristics?

A: Both parts share identical temperature coefficient specifications of 30ppm/°C and operate across the same temperature range of -40°C ~ 125°C (TA).

Q: Are there differences in noise performance?

A: Noise specifications are identical: 15µVp-p (0.1Hz to 10Hz) and 24µVrms (10Hz to 10kHz) for both parts.

Q: What is the significance of the automotive qualification on REF4132B50DBVRQ1?

A: AEC-Q100 qualification indicates the part meets automotive industry reliability and quality standards. This certification is required for automotive applications but is not necessary for general industrial use.

Q: Can these parts be used interchangeably in surface mount assembly?

A: Both parts are surface mount components with identical SOT-23-5 packaging. Assembly processes and equipment compatibility are equivalent.

Q: What is the input voltage requirement for both parts?

A: Both parts require input voltage in the range of 5.05V ~ 5.5V and draw 100µA supply current.