JL193BGA Equivalent & Substitute Parts

Part Overview

The JL193BGA is a low-power, low-offset voltage dual comparator manufactured by Texas Instruments. This general-purpose comparator features open-collector output configuration and operates across a wide supply voltage range of 5V to 36V (single supply) or ±2.5V to 18V (dual supply). The device is housed in a TO-99-8 metal can package with through-hole mounting. The JL193BGA maintains active product status with 1085 units in current inventory and is ROHS3 compliant with unlimited moisture sensitivity rating.

Substitute parts are necessary when the TO-99-8 through-hole package is unavailable or when surface-mount alternatives are preferred for modern PCB designs. Alternative manufacturers and package options provide equivalent electrical performance while accommodating different assembly requirements and supply chain availability.

Key Parameters

Parameter	Value
Manufacturer Part Number	JL193BGA
Manufacturer	Texas Instruments
Category	Linear
Type	General Purpose Comparator
Number of Elements	2
Output Type	Open-Collector, CMOS, DTL, ECL, MOS, TTL
Voltage - Supply, Single/Dual (±)	5V ~ 36V, ±2.5V ~ 18V
Voltage - Input Offset (Max)	5mV @ 30V
Current - Input Bias (Max)	100pA @ 30V
Current - Quiescent (Max)	3mA
CMRR (Typ)	76dB
Propagation Delay (Max)	700ns (Typ)
Operating Temperature	-55°C ~ 125°C
Package / Case	TO-99-8 Metal Can
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitution of the JL193BGA is determined by the following critical parameters:

Electrical Compatibility Requirements:

Dual comparator configuration (2 elements)
Open-collector output type
Supply voltage range: minimum 2V to 36V (single) or ±1V to 18V (dual) to accommodate the JL193BGA's 5V to 36V or ±2.5V to 18V range
Input offset voltage: 5mV to 7mV @ 5V or 30V
Input bias current: 0.25µA @ 5V or 100pA @ 30V
Quiescent current: 2.5mA to 3mA
Operating temperature range: minimum -40°C to 125°C (covers JL193BGA's -55°C to 125°C for most applications)

Package and Mounting Considerations:

Surface-mount alternatives (8-SOIC, 8-TSSOP, 8-UFSON) replace through-hole TO-99-8
All substitute parts maintain ROHS3 compliance and MSL 1 rating

Manufacturer Availability:

STMicroelectronics LM-series comparators (LM193, LM293, LM2903 base numbers)
onsemi LM393 series

Substitutes are grouped by package type and thermal rating to facilitate selection based on assembly method and operating environment requirements.

Parameter Comparison

Parameter	JL193BGA	LM193DT	LM2903D	LM2903HYDT	LM2903WDT	LM2903WYPT	LM2903YPT	LM293DT	LM293PT	LM293QT	LM393DR2G
Manufacturer	Texas Instruments	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	onsemi
Number of Elements	2	2	2	2	2	2	2	2	2	2	2
Output Type	Open-Collector, CMOS, DTL, ECL, MOS, TTL	Open-Collector, Rail-to-Rail	Open-Collector, Rail-to-Rail	Open-Collector, Rail-to-Rail	Open-Collector, Rail-to-Rail	Open-Collector, Rail-to-Rail	Open-Collector, Rail-to-Rail	Open-Collector, Open-Drain, Rail-to-Rail	Open-Collector, Open-Drain, Rail-to-Rail	Open-Collector, Open-Drain, Rail-to-Rail	Open-Collector, Rail-to-Rail
Voltage - Supply, Single/Dual (±)	5V ~ 36V, ±2.5V ~ 18V	2V ~ 36V, ±1V ~ 18V	2V ~ 36V, ±1V ~ 18V	2V ~ 36V, ±1V ~ 18V	2V ~ 36V, ±1V ~ 18V	2V ~ 36V, ±1V ~ 18V	2V ~ 36V, ±1V ~ 18V	2V ~ 36V, ±1V ~ 18V	2V ~ 36V, ±1V ~ 18V	2V ~ 36V, ±1V ~ 18V	2V ~ 36V, ±1V ~ 18V
Voltage - Input Offset (Max)	5mV @ 30V	5mV @ 30V	7mV @ 5V	7mV @ 30V	7mV @ 30V	7mV @ 5V	7mV @ 5V	5mV @ 30V	5mV @ 30V	Not specified	5mV @ 30V
Current - Input Bias (Max)	100pA @ 30V	0.25µA @ 5V	0.25µA @ 5V	0.25µA @ 5V	0.25µA @ 5V	0.25µA @ 5V	0.25µA @ 5V	0.25µA @ 5V	0.25µA @ 5V	Not specified	0.25µA @ 5V
Current - Output (Typ)	Not specified	18mA @ 5V	16mA @ 5V	16mA @ 5V	20mA	16mA @ 5V	16mA @ 5V	18mA @ 5V	18mA @ 5V	Not specified	16mA @ 5V
Current - Quiescent (Max)	3mA	2.5mA	2.5mA	2.5mA	2.5mA	2.5mA	2.5mA	2.5mA	2.5mA	2.5mA	2.5mA
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 150°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 105°C	-40°C ~ 105°C	Not specified	0°C ~ 70°C
Package / Case	TO-99-8 Metal Can	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-TSSOP (0.173", 4.40mm Width)	8-TSSOP (0.173", 4.40mm Width)	8-SOIC (0.154", 3.90mm Width)	8-TSSOP (0.173", 4.40mm Width)	8-UFDFN Exposed Pad	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Through Hole	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Inventory Status	1085 Pcs New Original	78081 Pcs New Original	31475 Pcs New Original	5200 Pcs New Original	67700 Pcs New Original	35377 Pcs New Original	141400 Pcs New Original	125100 Pcs New Original	2669 Pcs New Original	2100 Pcs New Original	205400 Pcs New Original

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

LM193DT and LM393DR2G are the closest electrical equivalents to the JL193BGA. Both maintain the 5mV input offset voltage specification at 30V, matching the original device exactly. LM193DT is available in 8-SOIC surface-mount package with 78081 units in inventory. LM393DR2G from onsemi provides equivalent performance in 8-SOIC package with the highest inventory level (205400 units). Both are ROHS3 compliant with MSL 1 rating.

Secondary Substitutes (Acceptable Electrical Performance):

LM2903WDT, LM2903WYPT, and LM2903YPT provide equivalent functionality with 7mV input offset voltage specifications. These devices operate across the full supply voltage range and maintain quiescent current specifications within acceptable limits. LM2903WDT offers the highest output current capability (20mA typical) and is available in 8-SOIC package. LM2903WYPT and LM2903YPT are available in 8-TSSOP package with automotive-grade qualification (AEC-Q100) and extended temperature range to 150°C (LM2903HYDT variant).

Automotive-Grade Options:

LM2903HYDT, LM2903WYPT, and LM2903YPT carry AEC-Q100 qualification and are suitable for automotive applications. These devices maintain operating temperature range of -40°C to 125°C or -40°C to 150°C, exceeding the JL193BGA's -55°C to 125°C specification at the upper end.

Temperature-Limited Substitute:

LM393DR2G operates over 0°C to 70°C temperature range, which is narrower than the JL193BGA's -55°C to 125°C specification. This device is suitable only for commercial-grade applications within the specified temperature window.

Package Transition Considerations:

All substitute parts transition from through-hole TO-99-8 to surface-mount packages (8-SOIC, 8-TSSOP, or 8-UFSON). PCB layout and assembly process modifications are required. 8-SOIC and 8-TSSOP packages are industry-standard with established design guidelines. 8-UFSON (LM293QT) represents the most compact option with exposed pad for thermal management.

Frequently Asked Questions (FAQ)

Q: Can I directly replace JL193BGA with LM193DT without circuit modifications?

A: Electrical substitution is direct. Both devices feature dual comparators with open-collector outputs, identical input offset voltage (5mV @ 30V), and compatible supply voltage ranges. However, package transition from through-hole TO-99-8 to surface-mount 8-SOIC requires PCB redesign and assembly process changes. Pin-to-pin functionality is equivalent.

Q: What is the difference between LM2903D and LM2903WDT?

A: Both are STMicroelectronics LM2903 base comparators in 8-SOIC package with identical electrical specifications. LM2903D is supplied in tube packaging, while LM2903WDT is supplied in tape and reel format. LM2903WDT offers higher output current (20mA typical) compared to LM2903D (16mA typical). Selection depends on packaging requirements and assembly automation compatibility.

Q: Why do some substitutes have 7mV input offset voltage instead of 5mV?

A: Input offset voltage specifications vary by manufacturer and test conditions. The 7mV specification (LM2903 series) versus 5mV (LM193, LM293, LM393 series) represents different characterization at 5V versus 30V supply conditions. Both values are within acceptable limits for general-purpose comparator applications. Verify specific application requirements for precision-critical circuits.

Q: Is LM393DR2G suitable for industrial temperature applications?

A: LM393DR2G operates over 0°C to 70°C commercial temperature range only. The JL193BGA operates -55°C to 125°C. For industrial or extended temperature applications, select LM2903HYDT (-40°C to 150°C, automotive-grade) or LM193DT (-55°C to 125°C) instead.

Q: What are the advantages of 8-TSSOP package over 8-SOIC?

A: 8-TSSOP (thin shrink small-outline package) offers reduced board space (0.173" width versus 0.154" for 8-SOIC) and improved thermal characteristics. LM2903WYPT and LM2903YPT in 8-TSSOP are automotive-qualified (AEC-Q100) with extended temperature ratings. 8-SOIC remains more common in commercial applications with broader design tool support.

Q: Can I use LM293QT in 8-UFSON package as a direct replacement?

A: LM293QT provides electrical equivalence but with incomplete specification data in the provided parameters (input offset voltage, input bias current, and operating temperature not specified). The 8-UFSON (2x2) package is the most compact option with exposed pad for thermal management. Verification against complete datasheet specifications is required before design implementation.

Q: What inventory considerations should guide my selection?

A: LM393DR2G (205400 units), LM2903YPT (141400 units), and LM293DT (125100 units) offer the highest inventory levels, ensuring supply chain continuity. LM2903HYDT (5200 units) and LM293PT (2669 units) have limited availability. For high-volume production, prioritize parts with inventory exceeding 50000 units to minimize supply risk.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification and MSL 1 (unlimited moisture sensitivity) rating, matching the JL193BGA's environmental compliance profile. No additional environmental qualification is required for substitution.

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