1N4948GP-TP Equivalent & Substitute Parts

Part Overview

The 1N4948GP-TP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 1000 V DC reverse voltage and 1 A average rectified current in a through-hole DO-41 package. This diode is classified as Active product status and is RoHS3 compliant. Substitute parts are identified based on matching electrical specifications and mechanical compatibility to support component procurement flexibility and supply chain continuity.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	1000	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.3 @ 1 A	V
Reverse Recovery Time (trr)	500	ns
Current - Reverse Leakage @ Vr	5	µA @ 1000 V
Mounting Type	Through Hole	—
Package / Case	DO-204AL, DO-41, Axial	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the 1N4948GP-TP are qualified based on the following electrical and mechanical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): 1000 V
Current - Average Rectified (Io): 1 A
Voltage - Forward (Vf) (Max) @ If: 1.3 V @ 1 A
Reverse Recovery Time (trr): 500 ns (Fast Recovery ≤ 500 ns, > 200 mA)
Current - Reverse Leakage @ Vr: ≤ 5 µA @ 1000 V
Mounting Type: Through Hole
Package / Case: DO-204AL, DO-41, Axial

All substitute parts listed maintain identical or superior electrical performance within the specified parameters and are compatible with through-hole PCB assembly processes. Packaging format variations (Tape & Reel versus Cut Tape) do not affect functional equivalence.

Parameter Comparison

Parameter	1N4948GP-TP	BA159-E3/73	FR107G	PG1010R_AY_00001
Manufacturer	Micro Commercial Co	Vishay General Semiconductor - Diodes Division	Taiwan Semiconductor Corporation	Panjit International Inc.
Voltage - DC Reverse (Vr) (Max)	1000 V	1000 V	1000 V	1000 V
Current - Average Rectified (Io)	1 A	1 A	1 A	1 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 1 A	1.3 V @ 1 A	1.3 V @ 1 A	1.3 V @ 1 A
Reverse Recovery Time (trr)	500 ns	500 ns	500 ns	500 ns
Current - Reverse Leakage @ Vr	5 µA @ 1000 V	5 µA @ 1000 V	5 µA @ 1000 V	1 µA @ 1000 V
Capacitance @ Vr, F	15 pF @ 4V, 1MHz	12 pF @ 4V, 1MHz	10 pF @ 4V, 1MHz	12 pF @ 4V, 1MHz
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	DO-204AL, DO-41, Axial	DO-204AL, DO-41, Axial	DO-204AL, DO-41, Axial	DO-204AL, DO-41, Axial
Operating Temperature - Junction	-55 to 150 °C	-65 to 125 °C	-55 to 150 °C	-55 to 150 °C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts listed—BA159-E3/73, FR107G, and PG1010R_AY_00001—are Active product status and RoHS3 compliant, meeting the same regulatory and environmental standards as the primary part 1N4948GP-TP.

BA159-E3/73 (Vishay General Semiconductor - Diodes Division) provides electrical equivalence with identical voltage, current, and recovery time specifications. Operating temperature range is -65 to 125 °C, which is narrower than the primary part. Capacitance is 12 pF, lower than the primary part's 15 pF.

FR107G (Taiwan Semiconductor Corporation) provides electrical equivalence with identical voltage, current, and recovery time specifications. Operating temperature range matches the primary part at -55 to 150 °C. Capacitance is 10 pF, the lowest among all listed parts.

PG1010R_AY_00001 (Panjit International Inc.) provides electrical equivalence with identical voltage, current, and recovery time specifications. Operating temperature range matches the primary part at -55 to 150 °C. Reverse leakage current is 1 µA, superior to the primary part's 5 µA specification. Capacitance is 12 pF.

Selection among substitute parts depends on specific application requirements regarding operating temperature range, reverse leakage performance, and packaging format availability.

Frequently Asked Questions (FAQ)

Q: Can BA159-E3/73 replace 1N4948GP-TP in all applications?

A: BA159-E3/73 matches all critical electrical parameters (voltage, current, forward voltage, recovery time, and reverse leakage). However, its operating temperature range (-65 to 125 °C) is narrower than 1N4948GP-TP (-55 to 150 °C). Substitution is valid only if the application operates within -65 to 125 °C.

Q: What is the difference between FR107G and 1N4948GP-TP?

A: FR107G and 1N4948GP-TP are electrically equivalent across all specified parameters. Both support -55 to 150 °C operating temperature. FR107G has lower capacitance (10 pF versus 15 pF), which may provide advantages in high-frequency applications. Both are supplied in through-hole DO-41 packages.

Q: Is PG1010R_AY_00001 superior to 1N4948GP-TP?

A: PG1010R_AY_00001 meets all electrical specifications of 1N4948GP-TP and offers lower reverse leakage current (1 µA versus 5 µA). This characteristic may be beneficial in applications requiring minimal leakage. Operating temperature range and forward voltage are identical.

Q: Does packaging format (Tape & Reel versus Cut Tape) affect electrical performance?

A: Packaging format does not affect electrical performance or functional equivalence. Tape & Reel and Cut Tape formats differ only in handling and assembly logistics. Component specifications remain identical regardless of packaging format.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts—BA159-E3/73, FR107G, and PG1010R_AY_00001—are RoHS3 compliant, matching the compliance status of 1N4948GP-TP.

Q: Can I use these diodes interchangeably in PCB assembly?

A: Yes. All substitute parts are through-hole mounted in DO-41 axial packages with identical pin configurations and mechanical dimensions. PCB layout and assembly processes require no modification for substitution.

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