1N4116-TP Zener Diode Equivalent & Substitute Parts

Part Overview

The 1N4116-TP is a 24 V, 500 mW Zener diode manufactured by Micro Commercial Co in a DO-35 axial through-hole package. This component is classified as obsolete, indicating discontinued production and limited availability. The 1N4116-TP maintains 1109 pieces in current inventory as new original stock. Identification of equivalent and substitute parts is necessary due to the obsolete product status, which may result in supply constraints for new designs or replacement applications. Active alternative components with identical or superior electrical characteristics are available from established manufacturers.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nominal)	24	V
Power - Maximum	500	mW
Tolerance	±5%	—
Impedance (Maximum)	150	Ohms
Current - Reverse Leakage @ Vr	10	nA @ 18.25 V
Voltage - Forward (Maximum) @ If	1.1	V @ 200 mA
Operating Temperature (Maximum)	175	°C
Package / Case	DO-204AH, DO-35, Axial	—
Mounting Type	Through Hole	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the 1N4116-TP is determined by strict equivalence in the following electrical and mechanical parameters:

Critical Matching Parameters:

Voltage - Zener (Nominal): 24 V
Power - Maximum: 500 mW
Package / Case: DO-204AH (DO-35), Axial
Mounting Type: Through Hole
Operating Temperature: 175°C

Acceptable Variation Parameters:

Tolerance: ±5% or tighter (±2% acceptable)
Impedance (Maximum): Lower values acceptable (150 Ohms or less)
Current - Reverse Leakage @ Vr: Higher values acceptable (10 nA or greater)
Voltage - Forward (Maximum) @ If: 1.1 V @ 200 mA (identical)

All substitute parts listed maintain identical zener voltage, power rating, package configuration, and mounting type. Substitute parts with tighter tolerance specifications (±2%) and lower impedance values represent improved performance characteristics. All substitute parts are RoHS3 compliant and maintain unlimited moisture sensitivity level (MSL 1).

Parameter Comparison

Parameter	1N4116-TP	1N5252B-TAP	1N5252C-TAP	1N5252C-TR
Manufacturer	Micro Commercial Co	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor
Product Status	Obsolete	Active	Active	Active
Voltage - Zener (Nominal)	24 V	24 V	24 V	24 V
Tolerance	±5%	±5%	±2%	±2%
Power - Maximum	500 mW	500 mW	500 mW	500 mW
Impedance (Maximum)	150 Ohms	33 Ohms	33 Ohms	33 Ohms
Current - Reverse Leakage @ Vr	10 nA @ 18.25 V	100 nA @ 18 V	100 nA @ 18 V	100 nA @ 18 V
Voltage - Forward (Maximum) @ If	1.1 V @ 200 mA	1.1 V @ 200 mA	1.1 V @ 200 mA	1.1 V @ 200 mA
Operating Temperature	175°C	175°C	175°C	175°C
Package / Case	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging Type	—	Cut Tape (CT)	Tape & Box (TB)	Tape & Reel (TR)
Grade	—	Automotive	Automotive	Automotive
Qualification	—	AEC-Q101	AEC-Q101	AEC-Q101
Inventory Status	1109 Pcs New Original	50400 Pcs New Original	710 Pcs New Original	1024 Pcs New Original

Engineering Selection Recommendations

1N5252B-TAP (Vishay General Semiconductor)

The 1N5252B-TAP is an active product with automotive-grade qualification (AEC-Q101) and represents a direct functional equivalent to the 1N4116-TP. This part maintains identical zener voltage (24 V), power rating (500 mW), and package configuration (DO-35 axial through-hole). The 1N5252B-TAP features improved impedance characteristics (33 Ohms versus 150 Ohms) and is supplied in cut tape packaging. Substantial inventory availability (50400 pieces) ensures supply continuity. This part is suitable for applications requiring standard tolerance specifications (±5%).

1N5252C-TAP (Vishay General Semiconductor)

The 1N5252C-TAP is an active product with automotive-grade qualification (AEC-Q101) and tighter tolerance specification (±2% versus ±5%). This part maintains identical zener voltage (24 V), power rating (500 mW), and package configuration (DO-35 axial through-hole). The 1N5252C-TAP features improved impedance characteristics (33 Ohms versus 150 Ohms) and is supplied in tape and box packaging. This part is suitable for applications requiring enhanced voltage regulation precision.

1N5252C-TR (Vishay General Semiconductor)

The 1N5252C-TR is an active product with automotive-grade qualification (AEC-Q101) and tighter tolerance specification (±2% versus ±5%). This part maintains identical zener voltage (24 V), power rating (500 mW), and package configuration (DO-35 axial through-hole). The 1N5252C-TR features improved impedance characteristics (33 Ohms versus 150 Ohms) and is supplied in tape and reel packaging. This part is suitable for high-volume automated assembly applications requiring enhanced voltage regulation precision.

All substitute parts are ROHS3 compliant, maintain unlimited moisture sensitivity level (MSL 1), and operate across the full temperature range to 175°C.

Frequently Asked Questions (FAQ)

Q: Can the 1N5252B-TAP, 1N5252C-TAP, and 1N5252C-TR be used interchangeably with the 1N4116-TP?

A: Yes. All three substitute parts maintain identical zener voltage (24 V), power rating (500 mW), forward voltage characteristics, and DO-35 axial through-hole package configuration. Electrical performance is compatible with applications designed for the 1N4116-TP.

Q: What is the difference between the 1N5252B-TAP and the 1N5252C variants?

A: The primary difference is tolerance specification. The 1N5252B-TAP maintains ±5% tolerance, matching the original 1N4116-TP specification. The 1N5252C-TAP and 1N5252C-TR both feature tighter ±2% tolerance, providing enhanced voltage regulation precision. All three parts share identical zener voltage, power rating, impedance, and package configuration.

Q: What packaging differences exist among the substitute parts?

A: The 1N5252B-TAP is supplied in cut tape (CT) packaging. The 1N5252C-TAP is supplied in tape and box (TB) packaging. The 1N5252C-TR is supplied in tape and reel (TR) packaging. Package selection depends on assembly method and volume requirements. All three maintain identical electrical characteristics and DO-35 axial through-hole configuration.

Q: Are the substitute parts automotive-qualified?

A: Yes. All three substitute parts (1N5252B-TAP, 1N5252C-TAP, and 1N5252C-TR) carry automotive-grade classification and AEC-Q101 qualification from Vishay General Semiconductor.

Q: How do impedance values affect substitution compatibility?

A: The substitute parts feature lower impedance values (33 Ohms) compared to the 1N4116-TP (150 Ohms). Lower impedance represents improved performance characteristics and does not restrict substitution compatibility. Applications designed for the 1N4116-TP operate correctly with lower impedance alternatives.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. The 1N4116-TP and all three substitute parts (1N5252B-TAP, 1N5252C-TAP, and 1N5252C-TR) are RoHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Q: Which substitute part should be selected for new designs?

A: For new designs, the 1N5252C-TAP or 1N5252C-TR are recommended due to active product status, automotive qualification, and tighter tolerance specification (±2%). Selection between 1N5252C-TAP and 1N5252C-TR depends on assembly method: tape and box for manual or low-volume assembly, tape and reel for automated high-volume production.

Q: What is the inventory status of substitute parts?

A: The 1N5252B-TAP maintains substantial inventory (50400 pieces). The 1N5252C-TAP maintains moderate inventory (710 pieces). The 1N5252C-TR maintains moderate inventory (1024 pieces). All parts are available as new original stock.

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