RF Antenna ILA.01 Equivalent & Substitute Parts

Part Overview

The ILA.01 is a 915MHz chip RF antenna manufactured by Taoglas Limited, designed for surface mount applications in the UHF frequency band (300MHz ~ 1GHz). This component operates across the 902MHz ~ 928MHz frequency range with 1dBi gain and is compliant with ROHS3 and REACH standards. The part is currently in active production status with 5064 units available in inventory.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified frequency band and mounting requirements, allowing for design flexibility and supply chain alternatives.

Key Parameters

Parameter	ILA.01 (Taoglas Limited)
Frequency (Center/Band)	915MHz
Frequency Range	902MHz ~ 928MHz
Antenna Type	Chip
Gain	1dBi
VSWR	2
Return Loss	-10dB
Power - Max	5 W
Mounting Type	Surface Mount
Termination	Solder
Height (Max)	0.020" (0.50mm)
Packaging	Tape & Reel (TR)
RoHS Status	ROHS3 Compliant
MSL Rating	3 (168 Hours)

Substitute Part Grouping Explanation

Substitute parts for the ILA.01 are qualified based on the following critical parameters:

Primary Substitution Criteria:

Frequency band alignment: Center frequency of 915MHz with operational range within or overlapping 902MHz ~ 928MHz
Antenna type: Chip configuration for surface mount applications
Termination method: Solder connection
Mounting compatibility: Surface mount package format
Regulatory compliance: ROHS3 and REACH standards maintained

Secondary Compatibility Factors:

Gain performance within acceptable range for 915MHz applications
VSWR and return loss characteristics suitable for impedance matching
Power handling capability adequate for intended use
Packaging format: Tape & Reel (TR) for automated assembly

The two identified substitute parts (ANT1204F005R0915A and ANT1204LL05R0915A) from Pulse Electronics meet these core criteria while offering alternative performance characteristics for different application requirements.

Parameter Comparison

Parameter	ILA.01 (Taoglas)	ANT1204F005R0915A (Pulse)	ANT1204LL05R0915A (Pulse)
Manufacturer	Taoglas Limited	Pulse Electronics	Pulse Electronics
Frequency (Center/Band)	915MHz	915MHz	915MHz
Frequency Range	902MHz ~ 928MHz	Not specified	905MHz ~ 925MHz
Antenna Type	Chip	Chip	Chip
Gain	1dBi	1.59dBi	3.32dBi
VSWR	2	Not specified	2
Return Loss	-10dB	10dB	-13.35dB
Power - Max	5 W	1 W	1 W
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Termination	Solder	Solder	Solder
Height (Max)	0.020" (0.50mm)	0.063" (1.60mm)	0.063" (1.60mm)
Packaging	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active

Engineering Selection Recommendations

ILA.01 (Taoglas Limited): Select this part for applications requiring maximum power handling (5W) and minimal height profile (0.50mm). The MSL3 rating requires controlled storage conditions. Suitable for general-purpose 915MHz RF applications with standard power requirements.

ANT1204F005R0915A (Pulse Electronics): This general-purpose alternative provides 1.59dBi gain with improved moisture sensitivity (MSL1, unlimited storage). Power handling is limited to 1W. Frequency range is not specified; verify operational bandwidth for your application. Height is 1.60mm, requiring PCB layout accommodation.

ANT1204LL05R0915A (Pulse Electronics): This ZigBee-optimized variant offers the highest gain (3.32dBi) and improved return loss (-13.35dB) within the 905MHz ~ 925MHz band. MSL1 rating provides superior moisture tolerance. Power handling is limited to 1W. Height is 1.60mm. Select this part for ZigBee and 802.15.4 protocol implementations.

All substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the original ILA.01.

Frequently Asked Questions (FAQ)

Q: Can ANT1204F005R0915A or ANT1204LL05R0915A be used as direct drop-in replacements for ILA.01?

A: Both Pulse Electronics parts are electrically compatible for 915MHz applications but require PCB layout verification. The height difference (1.60mm vs. 0.50mm) may impact component clearance and antenna performance in confined spaces. Frequency range specifications differ; ANT1204LL05R0915A operates within 905MHz ~ 925MHz, while ANT1204F005R0915A frequency range is not specified.

Q: What is the impact of power rating differences?

A: ILA.01 supports 5W maximum power, while both Pulse alternatives are rated for 1W. If your application requires power levels above 1W, ILA.01 is the only qualified option. For standard IoT and wireless sensor applications operating below 1W, the Pulse parts are suitable.

Q: How do gain differences affect system performance?

A: ILA.01 provides 1dBi gain, ANT1204F005R0915A provides 1.59dBi, and ANT1204LL05R0915A provides 3.32dBi. Higher gain improves link budget and range but may affect radiation pattern characteristics. System design must account for these differences in RF calculations and antenna placement.

Q: What are the moisture sensitivity implications?

A: ILA.01 has MSL3 rating (168-hour limit), requiring dry storage and controlled reflow conditions. Both Pulse alternatives have MSL1 rating (unlimited storage), providing superior moisture tolerance and reduced manufacturing constraints. Select MSL1 parts for high-volume production or extended storage requirements.

Q: Are there frequency range limitations with the substitute parts?

A: ANT1204LL05R0915A specifies 905MHz ~ 925MHz operation, which is narrower than ILA.01's 902MHz ~ 928MHz range. ANT1204F005R0915A does not specify frequency range; contact the manufacturer for detailed bandwidth information before selection.

Q: Do all parts support the same packaging format?

A: Yes, all three parts are supplied in Tape & Reel (TR) packaging, compatible with standard automated assembly equipment.

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