FR153 General Purpose Rectifier Diode Equivalent & Substitute Parts

Part Overview

The FR153 is a general purpose rectifier diode rated for 200 V DC reverse voltage and 1.5 A average rectified current in a through-hole DO-15 axial package. This diode is classified as obsolete, making identification of active equivalent components necessary for ongoing design support, maintenance, and new production applications. The FR153 employs standard diode technology with fast recovery characteristics suitable for general rectification circuits.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	1.5	A
Voltage - Forward (Vf) (Max) @ If	1.3 @ 1.5	V @ A
Reverse Recovery Time (trr)	150	ns
Current - Reverse Leakage @ Vr	5	µA @ 200 V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA	—
Mounting Type	Through Hole	—
Package / Case	DO-204AC, DO-15, Axial	—
Operating Temperature - Junction	-65 to 150	°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the FR153 is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

Voltage - DC Reverse (Vr) (Max): 200 V minimum
Current - Average Rectified (Io): 1.5 A minimum
Voltage - Forward (Vf) (Max) @ If: 1.3 V or lower at 1.5 A
Reverse Recovery Time (trr): 150 ns or faster
Current - Reverse Leakage @ Vr: 5 µA or lower at 200 V

Mechanical Equivalence Criteria:

Mounting Type: Through Hole
Package / Case: DO-204AC, DO-15, or Axial equivalent
Supplier Device Package: DO-15 or DO-204AC (DO-15)

Environmental & Compliance Criteria:

Operating Temperature - Junction: -55°C to 150°C minimum range
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Status: REACH Unaffected
ECCN: EAR99

The FR153G from Taiwan Semiconductor Corporation meets all substitution criteria and is classified as an active product, providing long-term availability for replacement and new designs.

Parameter Comparison

Parameter	FR153 (SMC)	FR153G (TSC)	Match Status
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	Equivalent
Current - Average Rectified (Io)	1.5 A	1.5 A	Equivalent
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 1.5 A	1.3 V @ 1.5 A	Equivalent
Reverse Recovery Time (trr)	150 ns	150 ns	Equivalent
Current - Reverse Leakage @ Vr	5 µA @ 200 V	5 µA @ 200 V	Equivalent
Speed Classification	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Equivalent
Mounting Type	Through Hole	Through Hole	Equivalent
Package / Case	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial	Equivalent
Operating Temperature - Junction	-65 to 150°C	-55 to 150°C	Compatible
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Equivalent
REACH Status	REACH Unaffected	REACH Unaffected	Equivalent
ECCN	EAR99	EAR99	Equivalent
Product Status	Obsolete	Active	Upgrade Path

Engineering Selection Recommendations

FR153G (Taiwan Semiconductor Corporation) - Primary Substitute

The FR153G is a direct functional equivalent to the FR153 with all critical electrical and mechanical parameters matching or exceeding the original specification. The FR153G holds active product status, ensuring continued availability and supply chain reliability. The component is RoHS3 compliant and maintains REACH Unaffected status, meeting current environmental and regulatory requirements.

The operating temperature range of the FR153G (-55°C to 150°C) is narrower than the FR153 (-65°C to 150°C) at the lower bound. This difference is acceptable for applications operating within the -55°C to 150°C range. Applications requiring operation below -55°C require evaluation against specific circuit requirements.

The capacitance specification differs slightly (20 pF for FR153G versus 30 pF for FR153 at 4 V, 1 MHz). This parameter difference does not affect substitution eligibility for general purpose rectification applications.

Frequently Asked Questions (FAQ)

Q: Can the FR153G directly replace the FR153 in existing designs?

A: Yes. The FR153G meets all critical electrical parameters (voltage, current, forward voltage, recovery time, and leakage current) and shares identical mechanical packaging (DO-15 axial through-hole). Direct pin-for-pin substitution is supported.

Q: What is the significance of the operating temperature range difference?

A: The FR153 operates from -65°C to 150°C, while the FR153G operates from -55°C to 150°C. For applications within the -55°C to 150°C range, this difference has no impact. Applications requiring operation below -55°C must confirm circuit functionality within the FR153G's specified range.

Q: Are there compliance differences between the FR153 and FR153G?

A: Both components share identical REACH and ECCN classifications (REACH Unaffected, EAR99). The FR153G adds RoHS3 compliance, which represents an improvement for applications subject to RoHS requirements. Both components maintain MSL 1 (Unlimited) moisture sensitivity classification.

Q: What does the capacitance difference (30 pF vs. 20 pF) mean for circuit design?

A: The capacitance specification applies at 4 V, 1 MHz test conditions. For general purpose rectification circuits, this parameter difference does not affect substitution suitability. Applications with specific high-frequency or capacitive coupling requirements should evaluate this parameter against circuit specifications.

Q: Is the FR153G available in the same package as the FR153?

A: Yes. Both components use the DO-204AC / DO-15 axial through-hole package. Physical dimensions, lead spacing, and mounting characteristics are identical, supporting direct board-level substitution without layout modifications.

Q: Why is the FR153 classified as obsolete?

A: Obsolete status indicates the FR153 is no longer in active production. The FR153G provides an active, equivalent alternative for new designs and ongoing production support.

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