TRA8903P Equivalent & Substitute Parts Reference

Part Overview

The TRA8903P is a 900MHz GSM dome RF antenna manufactured by TE Connectivity Laird, part of the Phantom® series. This panel-mount antenna operates across the 890MHz to 960MHz frequency band with 3dBi gain and is designed for cellular applications requiring UHF coverage. The part is currently in active production status with 763 units in stock. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same frequency band, termination type, mounting configuration, and performance specifications.

Key Parameters

Parameter	Value
Frequency Range	890MHz ~ 960MHz
Center Frequency	900MHz
Antenna Type	Dome
Termination	N Type Female
Mounting Type	Panel Mount
Gain	3dBi
VSWR	2
Power Rating	100 W
Height (Max)	2.700" (68.58mm)
Application	GSM

Substitute Part Grouping Explanation

Substitute parts for the TRA8903P are identified based on strict electrical and mechanical parameter equivalence. The substitution criteria are:

Frequency Compatibility: All substitutes operate within the identical 890MHz to 960MHz band with 900MHz center frequency
Antenna Configuration: Dome antenna type maintained across all equivalents
Connector Type: N Type Female termination required for direct compatibility
Mounting Interface: Panel mount configuration consistent across all parts
Performance Specifications: Gain (3dBi), VSWR (2), and power handling (100W) identical
Physical Dimensions: Maximum height of 2.700" (68.58mm) maintained
Compliance Status: RoHS compliance and REACH status verified

The TRA8903P, TRA8903NP, and TRAB8903NP are parametric equivalents within the Phantom® series, sharing identical electrical performance and mechanical interfaces.

Parameter Comparison

Parameter	TRA8903P	TRA8903NP	TRAB8903NP
Manufacturer	TE Connectivity Laird	TE Connectivity Laird	TE Connectivity Laird
Series	Phantom®	Phantom®	Phantom®
Frequency Range	890MHz ~ 960MHz	890MHz ~ 960MHz	890MHz ~ 960MHz
Center Frequency	900MHz	900MHz	900MHz
Antenna Type	Dome	Dome	Dome
Termination	N Type Female	N Type Female	N Type Female
Mounting Type	Panel Mount	Panel Mount	Panel Mount
Gain	3dBi	3dBi	3dBi
VSWR	2	2	2
Power - Max	100 W	100 W	100 W
Height (Max)	2.700" (68.58mm)	2.700" (68.58mm)	2.700" (68.58mm)
RF Family/Standard	Cellular	Cellular	Cellular
Frequency Group	UHF (300MHz ~ 1GHz)	UHF (300MHz ~ 1GHz)	UHF (300MHz ~ 1GHz)
Applications	GSM	GSM	GSM
Product Status	Active	Active	Active
RoHS Status	RoHS Compliant	RoHS Compliant	RoHS Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
ECCN	5A991G	5A991G	5A991G
HTSUS	8517.71.0000	8517.71.0000	8517.71.0000
Inventory Status	763 Pcs New Original In Stock	972 Pcs New Original In Stock	1032 Pcs New Original In Stock

Engineering Selection Recommendations

All three parts—TRA8903P, TRA8903NP, and TRAB8903NP—are active production components from TE Connectivity Laird with full RoHS compliance and identical electrical and mechanical specifications. Selection between these equivalents is based on:

Availability: TRAB8903NP has the highest inventory level at 1032 units, followed by TRA8903NP at 972 units, and TRA8903P at 763 units.

Compliance: All parts maintain RoHS compliance status. TRA8903P and TRA8903NP have confirmed REACH Unaffected status. TRAB8903NP shows Vendor Undefined REACH status.

Regulatory Classification: All parts share identical ECCN (5A991G) and HTSUS (8517.71.0000) codes, indicating equivalent regulatory treatment.

Direct Substitution: Any of these three parts can be substituted for the others without modification to circuit design, PCB layout, or mechanical mounting, provided that connector compatibility and panel cutout dimensions are verified in the target application.

Frequently Asked Questions (FAQ)

Q: Can TRA8903NP be used as a direct replacement for TRA8903P?

A: Yes. Both parts are parametric equivalents with identical frequency range (890MHz ~ 960MHz), gain (3dBi), VSWR (2), N Type Female termination, panel mount configuration, and physical dimensions (2.700" maximum height). No circuit or mechanical modifications are required.

Q: What is the difference between TRA8903P and TRAB8903NP?

A: The electrical and mechanical specifications are identical. The primary differences are the base product number designation (TRA8903 versus TRAB8903) and REACH compliance documentation status. TRAB8903NP shows higher current inventory availability.

Q: Are these antennas interchangeable in GSM 900MHz applications?

A: Yes. All three parts are rated for GSM applications within the 890MHz to 960MHz band and share identical performance parameters (3dBi gain, 2 VSWR, 100W power handling). They are mechanically and electrically interchangeable for panel-mount installations.

Q: What is the significance of the part number suffix (P, NP)?

A: The suffix indicates packaging or variant designation within the Phantom® series. Both TRA8903P and TRA8903NP are supplied in bulk packaging and are functionally equivalent.

Q: Do all three parts have the same RoHS compliance status?

A: All three parts are RoHS Compliant. TRA8903P and TRA8903NP are confirmed REACH Unaffected. TRAB8903NP has Vendor Undefined REACH status, which does not affect RoHS compliance.

Q: Can these antennas be used in applications other than GSM?

A: The specified application is GSM. Use in other applications requires verification that the 890MHz to 960MHz frequency band and 3dBi gain are suitable for the target system.

Q: What is the maximum power these antennas can handle?

A: All three parts are rated for 100W maximum power handling, suitable for base station and high-power transmitter applications.

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