TSM104WID Equivalent & Substitute Parts

Part Overview

The TSM104WID is a general-purpose operational amplifier integrated circuit manufactured by STMicroelectronics, configured as a 4-circuit device in a 16-SOIC surface mount package. This component is classified as a linear amplifier and is currently in active product status with 842 pieces available in inventory. The TSM104WID operates across a wide supply voltage range of 3V to 32V and maintains performance across industrial temperature ranges from -40°C to 105°C.

Substitute parts become necessary when the primary part number reaches end-of-life status, inventory constraints occur, or when alternative packaging formats (such as Tape & Reel versus Tube) are required for specific manufacturing processes. The substitute parts listed maintain functional equivalence through identical or compatible electrical specifications and mechanical packaging dimensions.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	4	—
Slew Rate	0.3	V/µs
Gain Bandwidth Product	900	kHz
Current - Input Bias	20	nA
Voltage - Input Offset	1	mV
Current - Supply	1.4	mA
Current - Output / Channel	40	mA
Voltage - Supply Span (Min)	3	V
Voltage - Supply Span (Max)	32	V
Operating Temperature Range	-40 to 105	°C
Package / Case	16-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	3 (168 Hours)	—

Substitute Part Grouping Explanation

Substitution eligibility for the TSM104WID is determined by the following criteria:

Electrical Compatibility Parameters:

Amplifier type (General Purpose)
Number of circuits (4)
Slew rate (0.3 V/µs)
Gain bandwidth product (900 kHz)
Current output per channel (40 mA)
Supply voltage range compatibility (minimum 3V, maximum 30V or higher)
Operating temperature range (-40°C to 105°C)

Mechanical Compatibility Parameters:

Package type (16-SOIC with 0.154" / 3.90mm width)
Surface mount mounting type
Pin count and pitch alignment

Compliance Parameters:

RoHS3 compliance
REACH unaffected status
ECCN classification (EAR99)

The substitute parts TSM104WAID, TSM104WAIDR, and TSM104WIDR maintain these core parameters. Variations in input bias current (20 nA versus 30 nA), input offset voltage (1 mV versus 500 µV), maximum supply voltage (32V versus 30V), packaging format (Tube versus Tape & Reel), and moisture sensitivity level (MSL 3 versus MSL 1) represent acceptable deviations within the general-purpose amplifier category and do not prevent functional substitution.

Parameter Comparison

Parameter	TSM104WID	TSM104WAID	TSM104WAIDR	TSM104WIDR
Manufacturer	STMicroelectronics	STMicroelectronics	Texas Instruments	Texas Instruments
Product Status	Active	Active	Last Time Buy	Last Time Buy
Packaging Format	Tube	Tube	Tape & Reel (TR)	Tape & Reel (TR)
Inventory (Pcs)	842	1116	3720	1900
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	4	4	4	4
Slew Rate (V/µs)	0.3	0.3	0.3	0.3
Gain Bandwidth Product (kHz)	900	900	900	900
Current - Input Bias (nA)	20	20	30	30
Voltage - Input Offset (mV)	1	0.5	0.5	1
Current - Supply (mA)	1.4	1.4	1.4	1.4
Current - Output / Channel (mA)	40	40	40	40
Voltage - Supply Span Min (V)	3	3	3	3
Voltage - Supply Span Max (V)	32	32	30	30
Operating Temperature (°C)	-40 to 105	-40 to 105	-40 to 105	-40 to 105
Package / Case	16-SOIC (0.154", 3.90mm)	16-SOIC (0.154", 3.90mm)	16-SOIC (0.154", 3.90mm)	16-SOIC (0.154", 3.90mm)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	3 (168 Hours)	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

TSM104WAID (STMicroelectronics, Active Status, Tube Packaging)

The TSM104WAID maintains active product status with STMicroelectronics and is available in Tube packaging identical to the TSM104WID. This part is the preferred direct substitute when tube packaging is required for manual assembly or component handling processes. The TSM104WAID features improved input offset voltage specification (500 µV versus 1 mV), providing enhanced precision characteristics while maintaining all other electrical parameters. Inventory availability of 1116 pieces supports sustained production requirements.

TSM104WAIDR (Texas Instruments, Last Time Buy Status, Tape & Reel Packaging)

The TSM104WAIDR is available in Tape & Reel format and carries Last Time Buy product status from Texas Instruments. This configuration is suitable for high-volume automated assembly operations. The part features improved input offset voltage (500 µV) and reduced moisture sensitivity level (MSL 1 with unlimited shelf life versus MSL 3 with 168-hour limitation). The maximum supply voltage specification is 30V rather than 32V; this represents a minor constraint applicable only to designs requiring operation above 30V. Current inventory of 3720 pieces provides substantial availability.

TSM104WIDR (Texas Instruments, Last Time Buy Status, Tape & Reel Packaging)

The TSM104WIDR is available in Tape & Reel format with Last Time Buy status from Texas Instruments. This part maintains input offset voltage specification identical to the TSM104WID (1 mV) and carries the same MSL 1 moisture sensitivity rating as the TSM104WAIDR. The maximum supply voltage specification is 30V. Input bias current specification is 30 nA versus 20 nA on the primary part. Inventory of 1900 pieces is available.

Compliance and Regulatory Considerations

All substitute parts maintain ROHS3 compliance, REACH unaffected status, and EAR99 ECCN classification, ensuring regulatory equivalence for applications subject to environmental and export control requirements.

Frequently Asked Questions (FAQ)

Q: Can TSM104WAID be used as a direct replacement for TSM104WID in tube packaging applications?

A: Yes. The TSM104WAID is functionally equivalent to the TSM104WID with identical packaging format (Tube), mounting type (Surface Mount), and core electrical specifications including slew rate, gain bandwidth product, supply current, and output current per channel. The TSM104WAID features superior input offset voltage specification (500 µV versus 1 mV), which represents an improvement rather than a limitation.

Q: What is the difference between Tube and Tape & Reel packaging formats?

A: Tube packaging is used for manual component handling and lower-volume assembly processes, with components supplied in plastic tubes. Tape & Reel (TR) packaging is used for automated pick-and-place assembly equipment, with components wound on continuous tape and supplied on reels. The electrical and mechanical specifications of the component remain identical; only the delivery and handling format differs.

Q: Are the Texas Instruments parts (TSM104WAIDR and TSM104WIDR) compatible with designs specified for STMicroelectronics TSM104WID?

A: Yes, with one design consideration. Both Texas Instruments parts maintain electrical compatibility across all critical parameters including slew rate, gain bandwidth product, supply current, and output current. The maximum supply voltage specification is 30V on Texas Instruments parts versus 32V on the STMicroelectronics part. Designs operating at supply voltages of 30V or below experience no functional difference. Designs requiring operation above 30V must remain with STMicroelectronics parts or redesign for lower supply voltages.

Q: What does Last Time Buy product status mean?

A: Last Time Buy status indicates that the manufacturer has announced end-of-life for the product and will accept orders only until a specified cutoff date, after which the part will no longer be manufactured or available. Existing inventory may be purchased, but no new production will occur. Parts with Last Time Buy status should be evaluated for long-term availability requirements in production planning.

Q: How do input bias current and input offset voltage differences affect circuit design?

A: Input bias current (20 nA on TSM104WID versus 30 nA on Texas Instruments parts) and input offset voltage (1 mV on TSM104WID and TSM104WIDR versus 500 µV on TSM104WAID and TSM104WAIDR) are DC characteristics that affect precision in low-signal applications. For general-purpose amplifier applications, these variations are typically within acceptable design margins. Applications requiring precision DC amplification or instrumentation should evaluate these specifications against circuit requirements.

Q: What is Moisture Sensitivity Level (MSL) and why does it differ between parts?

A: Moisture Sensitivity Level indicates the maximum time a component can be exposed to ambient conditions (typically 30°C, 85% relative humidity) before requiring baking to remove absorbed moisture. MSL 3 (168 hours) requires baking if the component is exposed to ambient conditions for more than 168 hours. MSL 1 (Unlimited) has no time restriction. For applications with extended storage or delayed assembly, MSL 1 parts (TSM104WAIDR and TSM104WIDR) provide operational flexibility without moisture management procedures.

Q: Can all four substitute parts be used interchangeably in the same design?

A: The TSM104WAID and TSM104WAIDR are interchangeable from an electrical standpoint, with the primary difference being packaging format (Tube versus Tape & Reel). The TSM104WIDR is also electrically compatible but features input offset voltage specification identical to the primary part (1 mV) rather than the improved 500 µV specification of the TSM104WAID and TSM104WAIDR. All three substitute parts are compatible with designs specified for TSM104WID, provided that supply voltage requirements do not exceed 30V for the Texas Instruments parts.

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