US1M-TP-HF Equivalent & Substitute Parts

Part Overview

The US1M-TP-HF is a 1000 V, 1 A surface mount rectifier diode manufactured by Micro Commercial Co in DO-214AC (SMA) package. This fast recovery diode is designed for general-purpose rectification applications requiring high voltage blocking capability with moderate current handling. The part is currently active in production with 3500 units in stock. Equivalent and substitute parts are identified to provide design flexibility, support supply chain continuity, and accommodate varying packaging or performance requirements across different manufacturers.

Substiute Parts

US1M-TP-HF

Micro Commercial CoIn Stock: 3544US1M-TP-HF Datasheet

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RS1M

EVVO SemiIn Stock: 75241RS1M Datasheet

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US1M-E3/61T

Vishay General Semiconductor - Diodes DivisionIn Stock: 621465US1M-E3/61T Datasheet

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US1M-M3/5AT

Vishay General Semiconductor - Diodes DivisionIn Stock: 14622US1M-M3/5AT Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the US1M-TP-HF are qualified based on the following electrical and mechanical parameters:

Critical Matching Parameters:

• Voltage - DC Reverse (Vr) (Max): 1000 V
• Current - Average Rectified (Io): 1 A
• Package / Case: DO-214AC, SMA
• Mounting Type: Surface Mount
• Technology: Standard (Fast Recovery)

Allowable Variation Parameters:

• Voltage - Forward (Vf) (Max) @ If: Within acceptable rectifier diode range
• Reverse Recovery Time (trr): Fast recovery classification maintained
• Current - Reverse Leakage @ Vr: Within acceptable leakage specifications
• Operating Temperature - Junction: Minimum operating range must support application requirements
• Packaging format: Bulk, Cut Tape (CT), or Digi-Reel® acceptable for equivalent function

All substitute parts maintain identical voltage and current ratings, surface mount DO-214AC (SMA) package compatibility, and fast recovery diode classification. Variations in forward voltage drop, reverse recovery time, and leakage current remain within standard rectifier diode performance tolerances.

Parameter Comparison

Engineering Selection Recommendations

US1M-E3/61T (Vishay General Semiconductor - Diodes Division)

This part is a direct electrical and mechanical equivalent to the US1M-TP-HF. Both devices share identical voltage ratings (1000 V), current ratings (1 A), forward voltage characteristics (1.7 V @ 1 A), reverse recovery time (75 ns), and reverse leakage current (10 µA @ 1000 V). The DO-214AC (SMA) package is identical. The US1M-E3/61T is RoHS3 compliant with MSL 1 rating and carries REACH Unaffected status. This part is available in Cut Tape (CT) & Digi-Reel® packaging with 621,400 units in stock. Operating temperature range is -55 to 150 °C, which is narrower than the main part but suitable for most industrial applications.

US1M-M3/5AT (Vishay General Semiconductor - Diodes Division)

This part maintains identical voltage (1000 V), current (1 A), forward voltage (1.7 V @ 1 A), and reverse leakage (10 µA @ 1000 V) specifications as the US1M-TP-HF. The DO-214AC (SMA) package and surface mount configuration are identical. The US1M-M3/5AT is RoHS3 compliant with MSL 1 rating and REACH Unaffected status. This part is available in Cut Tape (CT) packaging with 14,609 units in stock. Reverse recovery time is not specified in the provided data. Operating temperature range is -55 to 150 °C.

RS1M (EVVO Semi)

This part meets the core voltage (1000 V) and current (1 A) requirements with identical DO-214AC (SMA) package and surface mount configuration. The RS1M exhibits superior forward voltage performance at 1.3 V @ 1 A compared to the main part's 1.7 V, resulting in lower power dissipation. Reverse leakage current is 5 µA @ 1 kV, which is lower than the main part. However, reverse recovery time is 500 ns, which is at the upper limit of the fast recovery classification and significantly longer than the main part's 75 ns. This part is available in Cut Tape (CT) & Digi-Reel® packaging with 75,180 units in stock. Operating temperature range is -55 to 150 °C. RoHS3 compliance and MSL 1 rating are confirmed.

Selection Criteria:

• For applications requiring the widest operating temperature range (-65 to 175 °C), the US1M-TP-HF main part is the only option.
• For applications where lower forward voltage drop is beneficial, the RS1M offers 0.4 V reduction at rated current.
• For applications sensitive to reverse recovery time, the US1M-E3/61T and US1M-TP-HF both provide 75 ns performance.
• All substitute parts are RoHS3 compliant and carry MSL 1 ratings, suitable for standard surface mount assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the RS1M be used as a direct replacement for the US1M-TP-HF?

A: The RS1M is electrically and mechanically compatible for the core voltage (1000 V) and current (1 A) ratings in the DO-214AC (SMA) package. However, the reverse recovery time of 500 ns is significantly longer than the US1M-TP-HF's 75 ns. Applications sensitive to switching speed or operating at high frequencies may experience performance differences. The forward voltage drop is lower (1.3 V vs. 1.7 V), which reduces power dissipation.

Q: What is the difference between the Vishay parts US1M-E3/61T and US1M-M3/5AT?

A: Both Vishay parts are electrically equivalent to the US1M-TP-HF with identical voltage ratings, current ratings, forward voltage (1.7 V @ 1 A), and reverse leakage (10 µA @ 1000 V). The primary difference is packaging format: US1M-E3/61T is available in Cut Tape (CT) & Digi-Reel® with higher inventory (621,400 units), while US1M-M3/5AT is available in Cut Tape (CT) only with lower inventory (14,609 units). Reverse recovery time is not specified for the US1M-M3/5AT.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. The US1M-E3/61T, US1M-M3/5AT, and RS1M are all RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level ratings. The main part US1M-TP-HF does not specify RoHS status in the provided data.

Q: What is the operating temperature range limitation for substitute parts?

A: All substitute parts (RS1M, US1M-E3/61T, US1M-M3/5AT) operate from -55 to 150 °C junction temperature. The main part US1M-TP-HF operates from -65 to 175 °C. Applications requiring operation below -55 °C or above 150 °C must use the main part.

Q: Can packaging format (Bulk vs. Cut Tape vs. Digi-Reel) affect electrical performance?

A: No. Packaging format affects only supply chain logistics, handling, and assembly process compatibility. Electrical and mechanical performance of the diode itself is independent of packaging format. All formats contain the same DO-214AC (SMA) component.

Q: Which substitute part has the lowest reverse leakage current?

A: The RS1M has the lowest reverse leakage current at 5 µA @ 1 kV, compared to 10 µA @ 1000 V for the US1M-TP-HF, US1M-E3/61T, and US1M-M3/5AT.

Q: Is reverse recovery time critical for my application?

A: Reverse recovery time becomes critical in high-frequency switching applications, power factor correction circuits, and fast-switching power supplies. The US1M-TP-HF and US1M-E3/61T both provide 75 ns recovery time. The RS1M's 500 ns recovery time may introduce switching losses in applications operating above several hundred kilohertz. For DC rectification applications, reverse recovery time is less critical.