TL431BQDBZR vs TL432LIBQDBZR Comparison

Detailed side-by-side comparison of TL431BQDBZR by Texas Instruments and TL432LIBQDBZR by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Texas Instruments
TL431BQDBZR TL431BQDBZR - 0.5% Adjustable Shunt Reference SOT-23-3 | TI

TL431BQDBZR - 0.5% Adjustable Shunt Reference SOT-23-3 | TI

TL431BQDBZR ✓ Active
Texas Instruments
TL432LIBQDBZR TL432LIBQDBZR - Adjustable 2.495V Shunt Reference, ±0.5% | TI

TL432LIBQDBZR - Adjustable 2.495V Shunt Reference, ±0.5% | TI

TL432LIBQDBZR ✓ Active

Specification Comparison

Parameter TL431BQDBZR TL432LIBQDBZR
Brand Texas Instruments Texas Instruments
Category Voltage Regulators Voltage References
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $0.07 $0.15
Reference Voltage (Vref) 2.495 V —
Reference Voltage Tolerance ±0.5% (B grade, at 25 C) —
Adjustable Output Voltage Range 2.495 V to 36 V —
Maximum Cathode Current 100 mA —
Minimum Cathode Current for Regulation 1 mA (typical) —
Device Type Adjustable Precision Shunt Regulator / Shunt Voltage Reference —
Temperature Grade Q grade, -40 C to +125 C —
Package SOT-23 (DBZ), 3-pin SOT-23-3 (DBZ) - 3-pin
Mounting Type Surface Mount Surface Mount
Typical Output Noise 0.2 uVrms (per TI adjustable precision shunt regulator datasheet) —
Minimum Output Capacitance Stability [DATA_NEEDED: stable output capacitance range] —
Automotive Qualification Yes (Q grade; TL431BQDBZRQ1 variant available) —
Number of Pins 3 —
RoHS Status Compliant Compliant
Packaging Tape & Reel (T/R) —
Family Alternatives (grades) B = 0.5%, A = 1%, standard = 2% initial tolerance —
Reference Type — Shunt Voltage Reference (adjustable)
Nominal Reference Voltage (VREF) — 2.495 V
Cathode Voltage Range — 2.495 V to 36 V
Initial Cathode Tolerance — ±0.5% (B grade, 25 °C)
Min Cathode Current (IKA min) — 400 nA
Max Cathode Current (IKA max) — 15 mA
Typical Output Impedance — 0.2 ohm
Operating Temperature Range — -40 °C to +125 °C (automotive)
Reference Current (IREF) — Optimized low-Iref design
Deviation Current (Idev) — Optimized low-Idev design
Pinout (SOT-23-3) — Pin1=REF, Pin2=ANODE, Pin3=CATHODE (differs from TL431 in same pkg)
MSL Level — [DATA_NEEDED: MSL rating]
Automotive Grade — [DATA_NEEDED: AEC-Q100 grade qualification letter]

Datasheets & Resources

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