ZTL431BCSTZ

ZTL431BCSTZ Datasheet

ZTL431/ZTL432

Part	Datasheet
ZTL431BCSTZ	ZTL431BCSTZ (pdf)

Related Parts	Information
ZTL432BFFTA	ZTL432BFFTA
ZTL432BFTA	ZTL432BFTA
ZTL431AE5TA	ZTL431AE5TA
ZTL431BE5TA	ZTL431BE5TA
ZTL431ASE5TA	ZTL431ASE5TA
ZTL431BH6TA	ZTL431BH6TA
ZTL431BFTA	ZTL431BFTA
ZTL431AFTA	ZTL431AFTA
ZTL431AFFTA	ZTL431AFFTA
ZTL431BFFTA	ZTL431BFFTA
ZTL432AFTA	ZTL432AFTA
ZTL432AFFTA	ZTL432AFFTA
ZTL431ACSTZ	ZTL431ACSTZ
ZTL431AH6TA	ZTL431AH6TA

PDF Datasheet Preview
ZTL431/ZTL432 COST EFFECTIVE ADJUSTABLE PRECISION SHUNT REGULATOR The ZTL431 and ZTL432 are three terminal adjustable shunt regulators offering excellent temperature stability and output current handling capability up to 100mA. The output voltage may be set to any chosen voltage between and 20 volts by selection of two external divider resistors. The devices can be used as a replacement for zener diodes in many applications requiring an improvement in zener performance. The ZTL432 has the same electrical specifications as the ZTL431 but has a different pin out in SOT23 F-suffix and SOT23F FF-suffix . Both variants are available in two grades with initial tolerances of 1% and for the A and B grades, respectively. These are functionally equivalent to the TL431/ TL432 except for maximum operation voltage, and have an ambient temperature range of -40°C to +125°C as standard. x Temperature Range -40°C to +125°C x Reference Voltage Tolerance at +25°C grade 1% grade x Typical Output Impedance x Sink Current 1mA to 100mA x Adjustable Output to 20V x Totally Lead-Free & Fully RoHS Compliant Notes 1 & 2 x Halogen and Antimony Free. “Green” Device Note 3 x Opto-Coupler Linearization x Linear Regulators x Improved Zener x Variable Reference Pin Assignments ZTL431_F SOT23, ZTL431_FF SOT23F Top View Cathode 3 Ref 2 1 Anode ZTL432_F SOT23, ZTL432_FF SOT23F Top View Ref 3 1 Anode Cathode 2 ZTL431_H6, SOT363 Top View Cathode 1 6 Anode Ref 3 †Connected internally to substrate should be left floating or connected to Anode ZTL431ASE5 SOT25 Top View Cathode 1 5 N/C Anode 2 Ref 3 4 N/C ZTL431_E5 SOT25 Top View N/C 1 N/C* 2 5 Anode Cathode 3 4 Ref must be left floating or connected to pin 5 No purposely added lead. Fully EU Directive 2002/95/EC RoHS & 2011/65/EU RoHS 2 compliant. See for more information about Diodes Incorporated’s definitions of Halogen and Antimony-free, "Green" and Lead-free. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine <1500ppm total Br + Cl and <1000ppm antimony compounds. ZTL431/ZTL432 1 of 10 August 2015 Ordering Information Tol. 1% Ordering Code ZTL431AE5TA ZTL431AFFTA ZTL431AFTA ZTL431AH6TA ZTL431ASE5TA ZTL432AFFTA ZTL432AFTA ZTL431BE5TA ZTL431BFFTA ZTL431BFTA ZTL431BH6TA ZTL432BFFTA ZTL432BFTA Pack SOT25 SOT23F SOT23 SOT363 SOT25 SOT23F SOT23 SOT25 SOT23F SOT23 SOT363 SOT23F SOT23 Part Mark 31A S2A 32A 31B 32B Status Active Reel Size 7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm Tape Width mm 8 Quantity per Reel 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 Package Outline Dimensions Please see AP02002 at for the latest version. SOT23 SOT23 Dim Min Max Typ All Dimensions in mm SOT23F 6HDWLQJ 3ODQH SOT23F Dim Min Max Typ All Dimensions in mm ZTL431/ZTL432 7 of 10 August 2015 Diodes Incorporated ZTL431/ZTL432 Package Outline Dimensions continued Please see AP02002 at for the latest version. SOT363 SOT363 Dim Min Max Typ 0° 8° All Dimensions in mm SOT25 SOT25 Dim Min Max Typ A B C D H J K L M N 0° 8° All Dimensions in mm Suggested Pad Layout Please see AP02001 at for the latest version. SOT23

PDF Datasheet Preview

ZTL431/ZTL432

COST EFFECTIVE ADJUSTABLE PRECISION SHUNT REGULATOR

The ZTL431 and ZTL432 are three terminal adjustable shunt regulators offering excellent temperature stability and output current handling capability up to 100mA. The output voltage may be set to any chosen voltage between and 20 volts by selection of two external divider resistors.

The devices can be used as a replacement for zener diodes in many applications requiring an improvement in zener performance.

The ZTL432 has the same electrical specifications as the ZTL431 but has a different pin out in SOT23 F-suffix and SOT23F FF-suffix .

Both variants are available in two grades with initial tolerances of 1% and for the A and B grades, respectively.

These are functionally equivalent to the TL431/ TL432 except for maximum operation voltage, and have an ambient temperature range of -40°C to +125°C as standard.
x Temperature Range -40°C to +125°C x Reference Voltage Tolerance at +25°C
grade 1% grade x Typical Output Impedance x Sink Current 1mA to 100mA x Adjustable Output to 20V x Totally Lead-Free & Fully RoHS Compliant Notes 1 & 2 x Halogen and Antimony Free. “Green” Device Note 3
x Opto-Coupler Linearization x Linear Regulators x Improved Zener x Variable Reference

Pin Assignments

ZTL431_F SOT23, ZTL431_FF SOT23F Top View

Cathode 3 Ref 2
1 Anode

ZTL432_F SOT23, ZTL432_FF SOT23F Top View

Ref 3 1 Anode

Cathode 2

ZTL431_H6, SOT363 Top View

Cathode 1
6 Anode

Ref 3
†Connected internally to substrate should be left floating or connected to Anode

ZTL431ASE5 SOT25 Top View

Cathode 1
5 N/C

Anode 2

Ref 3
4 N/C

ZTL431_E5 SOT25 Top View

N/C 1 N/C* 2
5 Anode

Cathode 3
4 Ref
*must be left floating or
connected to pin 5

No purposely added lead. Fully EU Directive 2002/95/EC RoHS & 2011/65/EU RoHS 2 compliant. See for more information about Diodes Incorporated’s definitions of Halogen and Antimony-free, "Green"
and Lead-free. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine <1500ppm total Br + Cl
and <1000ppm antimony compounds.

ZTL431/ZTL432
1 of 10

August 2015
Ordering Information

Tol. 1%
Ordering Code

ZTL431AE5TA ZTL431AFFTA ZTL431AFTA ZTL431AH6TA ZTL431ASE5TA ZTL432AFFTA ZTL432AFTA ZTL431BE5TA ZTL431BFFTA ZTL431BFTA ZTL431BH6TA ZTL432BFFTA ZTL432BFTA

Pack

SOT25 SOT23F SOT23 SOT363 SOT25 SOT23F SOT23 SOT25 SOT23F SOT23 SOT363 SOT23F SOT23

Part Mark
31A S2A 32A 31B 32B

Status*

Active

Reel Size
7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm 7”, 180mm

Tape Width mm 8

Quantity per Reel 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000 3,000

Package Outline Dimensions

Please see AP02002 at for the latest version.

SOT23

SOT23

Dim Min Max Typ

All Dimensions in mm

SOT23F
6HDWLQJ 3ODQH

SOT23F

Dim Min Max Typ

All Dimensions in mm

ZTL431/ZTL432
7 of 10

August 2015

Diodes Incorporated

ZTL431/ZTL432

Package Outline Dimensions continued

Please see AP02002 at for the latest version.

SOT363

SOT363

Dim Min Max Typ
0° 8°

All Dimensions in mm

SOT25

SOT25 Dim Min Max Typ

A B C D H J K L M N 0° 8° All Dimensions in mm

Suggested Pad Layout

Please see AP02001 at for the latest version.

SOT23

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Datasheet ID: ZTL431BCSTZ 510248