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Equivalent & Substitute Parts Reference for 2SC2837
Part Overview
The Sanken Electric USA Inc. 2SC2837 is an NPN Bipolar Junction Transistor (BJT) with a maximum collector current of 10 A and a collector-emitter breakdown voltage of 150 V, housed in a TO-3P-3 (SC-65-3) package. Key performance attributes include 100 W maximum power dissipation, a transition frequency of 70 MHz, and RoHS compliance. The device is classified as obsolete. For ongoing design and maintenance of assemblies utilizing the 2SC2837, identification of suitable equivalent and substitute models with matching electrical, mechanical, and compliance specifications is required.
Substiute Parts
Key Parameters
| Manufacturer Part Number | Manufacturer | Transistor Type | Voltage - Collector Emitter Breakdown (Max) | Current - Collector (Ic) (Max) | Vce Saturation (Max) @ Ib, Ic | Current - Collector Cutoff (Max) | DC Current Gain (hFE) (Min) | Power - Max | Frequency - Transition | Operating Temperature | Mounting Type | Package / Case | RoHS Status | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2SC2837 | Sanken Electric USA Inc. | NPN | 150 V | 10 A | 2V @ 500mA, 5A | 100µA (ICBO) | 50 @ 3V, 4V | 100 W | 70MHz | 150°C (TJ) | Through Hole | TO-3P-3, SC-65-3 | RoHS Compliant | Obsolete |
Substitute Part Grouping Explanation
Substitute selection for the 2SC2837 transistor is strictly based on the following key parameters: transistor type (NPN), voltage - collector emitter breakdown (minimum 140 V), maximum collector current (≥10 A), Vce saturation characteristics, collector cutoff current, DC current gain, maximum power, frequency transition, operating temperature, mounting type (Through Hole), and package/case (TO-3P-3, SC-65-3). Substitute parts are listed only if they match or exceed these required specifications and compliance status.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Transistor Type | Voltage - Collector Emitter Breakdown (Max) | Current - Collector (Ic) (Max) | Vce Saturation (Max) @ Ib, Ic | Current - Collector Cutoff (Max) | DC Current Gain (hFE) (Min) | Power - Max | Frequency - Transition | Operating Temperature | Mounting Type | Package / Case | RoHS Status | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2SC2837 | Sanken Electric USA Inc. | NPN | 150 V | 10 A | 2V @ 500mA, 5A | 100µA (ICBO) | 50 @ 3V, 4V | 100 W | 70MHz | 150°C (TJ) | Through Hole | TO-3P-3, SC-65-3 | RoHS Compliant | Obsolete |
| 2SC3284 | Sanken Electric USA Inc. | NPN | 150 V | 14 A | 2V @ 500mA, 5A | 100µA (ICBO) | 50 @ 5A, 4V | 125 W | 60MHz | 150°C (TJ) | Through Hole | TO-3P-3, SC-65-3 | RoHS Compliant | Active |
| 2SD1047 | STMicroelectronics | NPN | 140 V | 12 A | 700mV @ 700mA, 7A | 100nA (ICBO) | 60 @ 1A, 5V | 100 W | 20MHz | 150°C (TJ) | Through Hole | TO-3P-3, SC-65-3 | ROHS3 Compliant | Last Time Buy |
Engineering Selection Recommendations
2SC2837 is identified as obsolete. Both 2SC3284 (Sanken Electric USA Inc.) and 2SD1047 (STMicroelectronics) provide RoHS-compliant alternatives in the same TO-3P package with through-hole mounting. 2SC3284 offers full active product status; 2SD1047 is designated last time buy. All listed alternatives conform to relevant compliance standards and certifications provided.
Frequently Asked Questions (FAQ)
Q: Which parameters must match exactly for a compatible substitute for 2SC2837?
A: Substitution requires matching transistor type (NPN), voltage - collector emitter breakdown (minimum 140 V), maximum collector current (≥10 A), operating temperature, mounting type, and package/case.
Q: Are all listed substitutes RoHS compliant?
A: Yes. 2SC2837, 2SC3284, and 2SD1047 are specified as RoHS compliant.
Q: Is package compatibility assured for these substitute transistors?
A: All listed parts use the TO-3P-3, SC-65-3 package with through-hole mounting, matching the original device.
Q: Is frequency transition a limiting factor in substitution?
A: Substitute selection in this category includes devices with comparable transition frequency as listed in the key parameters.
Q: Are the substitutes currently active or available?
A: 2SC3284 is active. 2SD1047 is marked last time buy. 2SC2837 is obsolete.
Q: Does the maximum collector current and voltage for all substitutes meet or exceed 2SC2837?
A: All substitutes meet or exceed 2SC2837 for both voltage - collector emitter breakdown and maximum collector current as required.
Q: What mounting and package considerations are necessary?
A: Only substitutes with through-hole mounting and TO-3P-3, SC-65-3 package are included, matching the main part's mechanical format.
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